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DGX Quest Diagnostics Inc

NYSE, CIK 0001022079, fiscal year ends 12/31. Last price 241.89 on 2026-10-23, market value 26.6 billion dollars.

Machine-readable: DGX.json, DGX.md. Sections: Graham Defensive, Magic Formula, Momentum, Insider, Buffett Quality, Lynch GARP, Graham Enterprising, Piotroski F-Score, earnings record, insiders, filings and links.

Philosophy	Score	Status	Current inputs as of	History used	Price	Verification	Rules
Graham Defensive	54	ok	2025-12-31 stale: Revenue	2013–2025	2026-10-23	6 verified, 21 unverified	method
Magic Formula	69	ok	2026-03-31 stale: operating_income_q	—	2026-10-23	—	method
Momentum	82	ok	2026-10-23	—	2026-10-23	—	method
Insider	0	no open-market transactions in window	2026-10-23	—	—	—	method
Buffett Quality	70	ok	2026-06-30	2016–2025	2026-10-23	0 verified, 47 unverified	method
Lynch GARP	30	ok	2026-06-30	2020–2025	2026-10-23	0 verified, 5 unverified	method
Graham Enterprising	40	ok	2026-06-30	2020–2025	2026-10-23	0 verified, 11 unverified	method
Piotroski F-Score	89	ok	—	2024–2026	—	0 verified, 27 unverified	method

Market value, source trail

market_value = traded_price (price date) / depositary_ratio x latest point-in-time SEC shares outstanding (share-count date shown; from the filing cover page, summed across share classes only where the issuer filing verifies the classes are economically equivalent (rule + evidence URL in the source text), else withheld; priced at the primary listed class, so where other classes trade at a different price the value is an approximation; restated only for issuer-verified splits after the count date); weighted-average share counts are never used

Input	Value	Unit	Period / date	Source
Traded price	241.89	USD per traded unit (share or ADS)	2026-10-23	Yahoo Finance
SEC shares outstanding	110,019,073	underlying shares	2026-10-15	SEC cover page 10-Q 0001022079-26-000108 (110,019,073 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/1022079/000102207926000108/dgx-20260930.htm 0001022079-26-000108
Depositary ratio	1.0	underlying shares per traded unit		domestic 10-K filer; SEC shares are the traded units
Market value price date × latest reported shares	26,612,513,568	USD	2026-10-23 shares at 2026-10-15	241.89 (price 2026-10-23) / 1 x 110,019,073 (shares at 2026-10-15) = 26,612,513,568

Graham Defensive

54 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Adequate size	11.04 revenue $B	>= 1	5.0 / 5
2a Current ratio	1.59	>= 2.0	8.9 / 15
2b Long-term debt vs working capital	5.33 LTD / WC	<= 1.0	0.0 / 15
3 Positive earnings each of 10 years	10 of 10	10 of 10	15.0 / 15
4 Dividends every year for 20 years	20 of 20 XBRL check: 5 years agree, 15 unverified	20 of 20	15.0 / 15
5 EPS growth, 3-yr avg now vs 10 yrs ago	4.40 -> 7.98 (+81%)	>= +33%	10.0 / 10
6 P/E on 3-year average EPS	30.3	<= 15	0.0 / 15
7 P/B <= 1.5, or P/E x P/B <= 22.5	P/B 3.54, product 107.4	<= 1.5 or <= 22.5	0.0 / 10

Inputs, 29 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	241.89	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
Revenue	11035000000.0	2025-12-31 stale	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
current_assets	2844000000.0	2026-06-30	SEC XBRL AssetsCurrent 0001022079-26-000070	unverified
current_liabilities	1788000000.0	2026-06-30	SEC XBRL LiabilitiesCurrent 0001022079-26-000070	unverified
lt_debt	5632000000.0	2026-06-30	SEC XBRL LongTermDebtNoncurrent 0001022079-26-000070	unverified
equity	7516000000.0	2026-06-30	SEC XBRL StockholdersEquity 0001022079-26-000070	unverified
Net income FY2016	645000000.0	2016-12-31 history	SEC XBRL NetIncomeLoss 0001022079-19-000030	unverified
Net income FY2017	772000000.0	2017-12-31 history	SEC XBRL NetIncomeLoss 0001022079-20-000017	unverified
Net income FY2018	736000000.0	2018-12-31 history	SEC XBRL NetIncomeLoss 0001022079-21-000029	unverified
Net income FY2019	858000000.0	2019-12-31 history	SEC XBRL NetIncomeLoss 0001022079-22-000027	unverified
Net income FY2020	1431000000.0	2020-12-31 history	SEC XBRL NetIncomeLoss 0001022079-23-000018	unverified
Net income FY2021	1995000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001022079-24-000041	unverified
Net income FY2022	946000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001022079-25-000044	unverified
Net income FY2023	854000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Net income FY2024	871000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Net income FY2025	992000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Dividend years (Yahoo)	[2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026]	history	Yahoo Finance dividend history	verified (partly: XBRL covers 5 of 20 years)
Dividends per share FY2013 (XBRL)	1.2	2013-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001022079-16-000195	verified
Dividends per share FY2014 (XBRL)	1.32	2014-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001022079-17-000032	verified
Dividends per share FY2015 (XBRL)	1.52	2015-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001022079-18-000038	verified
Dividends per share FY2016 (XBRL)	1.65	2016-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001022079-18-000038	verified
Dividends per share FY2017 (XBRL)	1.8	2017-12-31 history	SEC XBRL CommonStockDividendsPerShareDeclared 0001022079-18-000038	verified
EPS diluted FY2014	3.81	2014-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-17-000032	unverified
EPS diluted FY2015	4.87	2015-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-18-000038	unverified
EPS diluted FY2016	4.51	2016-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-19-000030	unverified
EPS diluted FY2023	7.49	2023-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-26-000015	unverified
EPS diluted FY2024	7.69	2024-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-26-000015	unverified
EPS diluted FY2025	8.75	2025-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-26-000015	unverified
Shares outstanding	110019073.0	2026-10-15	SEC cover page 10-Q 0001022079-26-000108 (110,019,073 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/1022079/000102207926000108/dgx-20260930.htm 0001022079-26-000108	not cross-checked

Magic Formula

69 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
Earnings yield (EBIT/EV) EBIT trailing twelve months; EV = market cap + debt (5,642,000,000) - cash	5.45 % (rank 63)
Return on capital (EBIT/(NWC+PPE)) net working capital 1,056,000,000 used as reported	52.61 % (rank 83)
Combined rank	146

Inputs, 15 numbers with their sources

Input	Value	Period	Source	Check
operating_income	1556000000.0	2025-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-26-000015	not cross-checked
operating_income_q	399000000.0	2026-03-31 stale	SEC XBRL OperatingIncomeLoss (quarter CY2026Q1) 0001022079-26-000043	not cross-checked
operating_income_q	346000000.0	2025-03-31 history	SEC XBRL OperatingIncomeLoss (quarter CY2025Q1) 0001022079-26-000043	not cross-checked
operating_income_q	459000000.0	2026-06-30	SEC XBRL OperatingIncomeLoss (quarter CY2026Q2) 0001022079-26-000070	not cross-checked
operating_income_q	438000000.0	2025-06-30 history	SEC XBRL OperatingIncomeLoss (quarter CY2025Q2) 0001022079-26-000070	not cross-checked
operating_income_q	479000000.0	2026-09-30	SEC XBRL OperatingIncomeLoss (quarter CY2026Q3) 0001022079-26-000108	not cross-checked
operating_income_q	386000000.0	2025-09-30 history	SEC XBRL OperatingIncomeLoss (quarter CY2025Q3) 0001022079-26-000108	not cross-checked
current_assets	2844000000.0	2026-06-30	SEC XBRL AssetsCurrent 0001022079-26-000070	not cross-checked
current_liabilities	1788000000.0	2026-06-30	SEC XBRL LiabilitiesCurrent 0001022079-26-000070	not cross-checked
cash	626000000.0	2026-06-30	SEC XBRL CashAndCashEquivalentsAtCarryingValue 0001022079-26-000070	not cross-checked
ppe_net	2219000000.0	2026-06-30	SEC XBRL PropertyPlantAndEquipmentNet 0001022079-26-000070	not cross-checked
debt_incl_current	5642000000.0	2026-06-30	SEC XBRL LongTermDebt 0001022079-26-000070	not cross-checked
shares_out	110019073.0	2026-10-15	SEC cover page 10-Q 0001022079-26-000108 (110,019,073 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/1022079/000102207926000108/dgx-20260930.htm 0001022079-26-000108	not cross-checked
Price (close)	241.89	2026-10-23	Yahoo Finance / Alpaca Market Data	not cross-checked
note	debt = LongTermDebt (incl. current maturities)			not cross-checked

Momentum

82 of 100. ok. How this is scored.

Test or factor	Value	Points
12-1 month return	28.8 % (percentile 77.0)	38.5 / 50
6 month return	22.2 % (percentile 80.6)	16.1 / 20
Price / 52-week high	0.981	14.7 / 15
Volatility penalty (60d annualised)	20.1 %	12.3 / 15

Inputs, 1 numbers with their sources

Input	Value	Period	Source	Check
Adjusted close series (14 months)	241.89	2026-10-23	Yahoo Finance / Alpaca Market Data daily history	not cross-checked

Insider

0 of 100. no open-market transactions in window. How this is scored. Form 4 data loaded through 2026-10-23

Test or factor	Value	Points
Open-market buy value / market cap (percentile among buyers)	0.0 bp	0.0 / 35
Distinct buyers	0	0.0 / 25
Buyer seniority	0.0	0.0 / 20
Recency (half-life 30d)	0.0	0.0 / 10
Sales penalty (excludes 10b5-1 plan sales)	0.0 bp	-0.0 / 0

Inputs, 5 numbers with their sources

Input	Value	Source	Check
excluded 2026-09-01 S	10b5-1 plan	rule	not cross-checked
excluded 2026-08-28 S	10b5-1 plan	rule	not cross-checked
excluded 2026-08-28 S	10b5-1 plan	rule	not cross-checked
excluded 2026-08-28 S	10b5-1 plan	rule	not cross-checked
excluded 2026-07-28 S	10b5-1 plan	rule	not cross-checked

Buffett Quality

70 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Average return on equity (net income / year-end equity)	17.2% over 8 yrs	>= 15%	25.0 / 25
2 Profitable every year	10 of 10	all years	15.0 / 15
3 Net income growth, 3-yr average now vs start of window	+3.4% a year	>= +10%	3.4 / 10
4 Borrowings / 3-yr average earnings (years to repay) LongTermDebt (incl. current maturities)	6.2 years	<= 4	6.6 / 15
5 Operating margin, 5-yr average	15.6%	>= 20%	6.3 / 10
6 Free cash flow / net income, 5-yr (operating cash flow minus capex)	1.11	>= 1.0	10.0 / 10
7 Owner-earnings yield (3-yr avg free cash flow / market cap)	3.9%	>= 7%	3.5 / 15

Inputs, 49 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	241.89	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
Net income FY2018	736000000.0	2018-12-31 history	SEC XBRL NetIncomeLoss 0001022079-21-000029	unverified
Equity at FY2018 end	5216000000.0	2018-12-31 history	SEC XBRL StockholdersEquity 0001022079-20-000017	unverified
Net income FY2019	858000000.0	2019-12-31 history	SEC XBRL NetIncomeLoss 0001022079-22-000027	unverified
Equity at FY2019 end	5641000000.0	2019-12-31 history	SEC XBRL StockholdersEquity 0001022079-21-000029	unverified
Net income FY2020	1431000000.0	2020-12-31 history	SEC XBRL NetIncomeLoss 0001022079-23-000018	unverified
Equity at FY2020 end	6759000000.0	2020-12-31 history	SEC XBRL StockholdersEquity 0001022079-22-000027	unverified
Net income FY2021	1995000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001022079-24-000041	unverified
Equity at FY2021 end	6444000000.0	2021-12-31 history	SEC XBRL StockholdersEquity 0001022079-23-000018	unverified
Net income FY2022	946000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001022079-25-000044	unverified
Equity at FY2022 end	5893000000.0	2022-12-31 history	SEC XBRL StockholdersEquity 0001022079-24-000041	unverified
Net income FY2023	854000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Equity at FY2023 end	6307000000.0	2023-12-31 history	SEC XBRL StockholdersEquity 0001022079-25-000044	unverified
Net income FY2024	871000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Equity at FY2024 end	6778000000.0	2024-12-31 history	SEC XBRL StockholdersEquity 0001022079-26-000015	unverified
Net income FY2025	992000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Equity at FY2025 end	7170000000.0	2025-12-31 history	SEC XBRL StockholdersEquity 0001022079-26-000070	unverified
Net income FY2016	645000000.0	2016-12-31 history	SEC XBRL NetIncomeLoss 0001022079-19-000030	unverified
Net income FY2017	772000000.0	2017-12-31 history	SEC XBRL NetIncomeLoss 0001022079-20-000017	unverified
Net income FY2018	736000000.0	2018-12-31 history	SEC XBRL NetIncomeLoss 0001022079-21-000029	unverified
Net income FY2019	858000000.0	2019-12-31 history	SEC XBRL NetIncomeLoss 0001022079-22-000027	unverified
Net income FY2020	1431000000.0	2020-12-31 history	SEC XBRL NetIncomeLoss 0001022079-23-000018	unverified
Net income FY2021	1995000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001022079-24-000041	unverified
Net income FY2022	946000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001022079-25-000044	unverified
Net income FY2023	854000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Net income FY2024	871000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Net income FY2025	992000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
debt_incl_current	5642000000.0	2026-06-30	SEC XBRL LongTermDebt 0001022079-26-000070	unverified
Operating income FY2021	2381000000.0	2021-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-24-000041	unverified
Revenue FY2021	10788000000.0	2021-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-24-000041	unverified
Operating income FY2022	1428000000.0	2022-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-25-000044	unverified
Revenue FY2022	9883000000.0	2022-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-25-000044	unverified
Operating income FY2023	1262000000.0	2023-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-26-000015	unverified
Revenue FY2023	9252000000.0	2023-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
Operating income FY2024	1346000000.0	2024-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-26-000015	unverified
Revenue FY2024	9872000000.0	2024-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
Operating income FY2025	1556000000.0	2025-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-26-000015	unverified
Revenue FY2025	11035000000.0	2025-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
Operating cash flow FY2021	2233000000.0	2021-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001022079-24-000041	unverified
Capital expenditure FY2021	403000000.0	2021-12-31 history	SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001022079-24-000041	unverified
Operating cash flow FY2022	1718000000.0	2022-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001022079-25-000044	unverified
Capital expenditure FY2022	404000000.0	2022-12-31 history	SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001022079-25-000044	unverified
Operating cash flow FY2023	1272000000.0	2023-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001022079-26-000015	unverified
Capital expenditure FY2023	408000000.0	2023-12-31 history	SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001022079-26-000015	unverified
Operating cash flow FY2024	1334000000.0	2024-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001022079-26-000015	unverified
Capital expenditure FY2024	425000000.0	2024-12-31 history	SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001022079-26-000015	unverified
Operating cash flow FY2025	1886000000.0	2025-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001022079-26-000015	unverified
Capital expenditure FY2025	527000000.0	2025-12-31 history	SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001022079-26-000015	unverified
Shares outstanding	110019073.0	2026-10-15	SEC cover page 10-Q 0001022079-26-000108 (110,019,073 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/1022079/000102207926000108/dgx-20260930.htm 0001022079-26-000108	not cross-checked

Lynch GARP

30 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 PEG: P/E divided by 5-yr EPS growth (in % points) earnings not positive in both years, or growth not positive: PEG undefined	—	<= 1.0	0.0 / 30
2 EPS growth, 5-yr compound rate	-3.5% a year	12% to 35% a year	0.0 / 20
3 P/E on latest annual EPS	27.6	<= 25	8.2 / 10
4 Borrowings / equity LongTermDebt (incl. current maturities)	0.75	<= 0.5	11.2 / 15
5 Years of the last 5 in which EPS rose	3 of 5	5 of 5	9.0 / 15
6 Net cash (cash minus borrowings) / market cap	-18.8%	>= +10%	1.8 / 10

Inputs, 6 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	241.89	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
EPS diluted FY2025	8.75	2025-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-26-000015	unverified
EPS diluted FY2020	10.47	2020-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-23-000018	unverified
debt_incl_current	5642000000.0	2026-06-30	SEC XBRL LongTermDebt 0001022079-26-000070	unverified
equity	7516000000.0	2026-06-30	SEC XBRL StockholdersEquity 0001022079-26-000070	unverified
cash	626000000.0	2026-06-30	SEC XBRL CashAndCashEquivalentsAtCarryingValue 0001022079-26-000070	unverified

Graham Enterprising

40 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Current ratio	1.59	>= 1.5	15.0 / 15
2 Borrowings vs working capital LongTermDebt (incl. current maturities)	5.34 x	<= 1.1x	0.0 / 15
3 No earnings deficit in the last 5 years	5 of 5 profitable	5 of 5	15.0 / 15
4 Pays a current dividend	yes	yes	10.0 / 10
5 EPS higher than five years earlier	10.47 -> 8.75	higher	0.0 / 10
6 Price / book value per share book value used because intangibles are not separated in the dataset (Graham uses net tangible assets)	3.54	<= 1.2	0.0 / 20
7 Price / net current asset value per share (current assets minus all liabilities) net current asset value not positive	—	<= 0.67	0.0 / 15

Inputs, 14 numbers with their sources

Input	Value	Period	Source	Check
Price (close, per traded unit)	241.89	2026-10-23	Alpaca Market Data (consolidated SIP daily bar)	not cross-checked
current_assets	2844000000.0	2026-06-30	SEC XBRL AssetsCurrent 0001022079-26-000070	unverified
current_liabilities	1788000000.0	2026-06-30	SEC XBRL LiabilitiesCurrent 0001022079-26-000070	unverified
debt_incl_current	5642000000.0	2026-06-30	SEC XBRL LongTermDebt 0001022079-26-000070	unverified
Net income FY2021	1995000000.0	2021-12-31 history	SEC XBRL NetIncomeLoss 0001022079-24-000041	unverified
Net income FY2022	946000000.0	2022-12-31 history	SEC XBRL NetIncomeLoss 0001022079-25-000044	unverified
Net income FY2023	854000000.0	2023-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Net income FY2024	871000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Net income FY2025	992000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
Dividend years (Yahoo)	[2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026]	history	Yahoo Finance dividend history	not cross-checked
EPS diluted FY2025	8.75	2025-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-26-000015	unverified
EPS diluted FY2020	10.47	2020-12-31 history	SEC XBRL EarningsPerShareDiluted 0001022079-23-000018	unverified
equity	7516000000.0	2026-06-30	SEC XBRL StockholdersEquity 0001022079-26-000070	unverified
Shares outstanding	110019073.0	2026-10-15	SEC cover page 10-Q 0001022079-26-000108 (110,019,073 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/1022079/000102207926000108/dgx-20260930.htm 0001022079-26-000108	not cross-checked

Piotroski F-Score

89 of 100. ok. How this is scored.

Test or factor	Value	Threshold	Points
1 Return on assets is positive	6.1%	pass = 1	11.11111111111111 / 11.11111111111111
2 Operating cash flow is positive	1,886M	pass = 1	11.11111111111111 / 11.11111111111111
3 Return on assets improved on the prior year	5.4% -> 6.1%	pass = 1	11.11111111111111 / 11.11111111111111
4 Operating cash flow exceeds net income (accruals)	1,886M vs 992M	pass = 1	11.11111111111111 / 11.11111111111111
5 Long-term debt / assets fell	34.8% -> 31.8%	pass = 1	11.11111111111111 / 11.11111111111111
6 Current ratio improved	1.10 -> 1.04	pass = 1	0.0 / 11.11111111111111
7 No new shares issued (share count did not rise)	111M -> 110M	pass = 1	11.11111111111111 / 11.11111111111111
8 Operating margin improved (stand-in for gross margin, which the dataset does not carry)	13.6% -> 14.1%	pass = 1	11.11111111111111 / 11.11111111111111
9 Asset turnover (revenue / assets) improved	0.61 -> 0.68	pass = 1	11.11111111111111 / 11.11111111111111

Inputs, 27 numbers with their sources

Input	Value	Period	Source	Check
net_income 2025-12-31	992000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
total_assets 2025-12-31	16225000000.0	2025-12-31 history	SEC XBRL Assets 0001022079-26-000070	unverified
cfo 2025-12-31	1886000000.0	2025-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001022079-26-000015	unverified
net_income 2025-12-31	992000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
net_income 2024-12-31	871000000.0	2024-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
total_assets 2025-12-31	16225000000.0	2025-12-31 history	SEC XBRL Assets 0001022079-26-000070	unverified
total_assets 2024-12-31	16153000000.0	2024-12-31 history	SEC XBRL Assets 0001022079-26-000015	unverified
cfo 2025-12-31	1886000000.0	2025-12-31 history	SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001022079-26-000015	unverified
net_income 2025-12-31	992000000.0	2025-12-31 history	SEC XBRL NetIncomeLoss 0001022079-26-000015	unverified
lt_debt 2025-12-31	5167000000.0	2025-12-31 history	SEC XBRL LongTermDebtNoncurrent 0001022079-26-000070	unverified
lt_debt 2024-12-31	5615000000.0	2024-12-31 history	SEC XBRL LongTermDebtNoncurrent 0001022079-26-000015	unverified
total_assets 2025-12-31	16225000000.0	2025-12-31 history	SEC XBRL Assets 0001022079-26-000070	unverified
total_assets 2024-12-31	16153000000.0	2024-12-31 history	SEC XBRL Assets 0001022079-26-000015	unverified
current_assets 2025-12-31	2378000000.0	2025-12-31 history	SEC XBRL AssetsCurrent 0001022079-26-000070	unverified
current_assets 2024-12-31	2392000000.0	2024-12-31 history	SEC XBRL AssetsCurrent 0001022079-26-000015	unverified
current_liabilities 2025-12-31	2278000000.0	2025-12-31 history	SEC XBRL LiabilitiesCurrent 0001022079-26-000070	unverified
current_liabilities 2024-12-31	2169000000.0	2024-12-31 history	SEC XBRL LiabilitiesCurrent 0001022079-26-000015	unverified
shares_out 2026-10-15	110019073.0	2026-10-15 history	SEC cover page 10-Q 0001022079-26-000108 (110,019,073 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/1022079/000102207926000108/dgx-20260930.htm 0001022079-26-000108	unverified
shares_out 2025-10-15	111242362.0	2025-10-15 history	SEC XBRL EntityCommonStockSharesOutstanding 0001022079-25-000218	unverified
operating_income 2025-12-31	1556000000.0	2025-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-26-000015	unverified
operating_income 2024-12-31	1346000000.0	2024-12-31 history	SEC XBRL OperatingIncomeLoss 0001022079-26-000015	unverified
revenue 2025-12-31	11035000000.0	2025-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
revenue 2024-12-31	9872000000.0	2024-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
revenue 2025-12-31	11035000000.0	2025-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
revenue 2024-12-31	9872000000.0	2024-12-31 history	SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001022079-26-000015	unverified
total_assets 2025-12-31	16225000000.0	2025-12-31 history	SEC XBRL Assets 0001022079-26-000070	unverified
total_assets 2024-12-31	16153000000.0	2024-12-31 history	SEC XBRL Assets 0001022079-26-000015	unverified

Earnings record

SEC XBRL, by fiscal year (named by the calendar year it ends in); EPS split-adjusted to today's shares; each row links to the filing.

FY	Ended	Revenue, $M	Net income, $M	EPS diluted	Dividend	Filing
2013	2013-12-31	7,146	849	5.54	paid	0001022079-16-000195
2014	2014-12-31	7,435	556	3.81	paid	0001022079-17-000032
2015	2015-12-31	7,493	709	4.87	paid	0001022079-18-000038
2016	2016-12-31	7,214	645	4.51	paid	0001022079-19-000030
2017	2017-12-31	7,402	772	5.5	paid	0001022079-20-000017
2018	2018-12-31	7,531	736	5.29	paid	0001022079-21-000029
2019	2019-12-31	7,726	858	6.28	paid	0001022079-22-000027
2020	2020-12-31	9,437	1,431	10.47	paid	0001022079-23-000018
2021	2021-12-31	10,788	1,995	15.55	paid	0001022079-24-000041
2022	2022-12-31	9,883	946	7.97	paid	0001022079-25-000044
2023	2023-12-31	9,252	854	7.49	paid	0001022079-26-000015
2024	2024-12-31	9,872	871	7.69	paid	0001022079-26-000015
2025	2025-12-31	11,035	992	8.75	paid	0001022079-26-000015

Insider transactions

SEC Form 4 open-market purchases and sales from the insider data sets; latest 20.

Date	Insider	Role	Type	Shares	Price	Value
2026-09-01	Davis J. E.	CEO	sale plan	10,000	242.72	2,427,200
2026-08-28	Prevoznik Michael E	officer	sale plan	16,010	242.88	3,888,509
2026-08-28	Prevoznik Michael E	officer	sale plan	6,237	243.63	1,519,520
2026-08-28	Prevoznik Michael E	officer	sale plan	430	244.51	105,139
2026-07-28	Delaney Mark E	officer	sale plan	1,600	235.18	376,288
2026-06-04	Kuppusamy Karthik	officer	sale	8,147	200.00	1,629,400
2026-06-01	Davis J. E.	CEO	sale	10,000	194.14	1,941,400

Filings and links

Third-party sites are linked only; nothing from them is stored here.

SEC: filing index, 8-K, Form 4, XBRL companyfacts
Prices: Yahoo Finance, Stooq
Elsewhere: morningstar, finviz, stockanalysis, seeking alpha, openinsider, google news

Cite as: The Claude Trader snapshot 2026-10-26, https://theclaudetrader.com/s/DGX; data from SEC EDGAR XBRL and market prices (Alpaca Market Data, Yahoo Finance) to 2026-10-23. Data last checked 2026-10-26.