WDC Western Digital Corp
Nasdaq, CIK 0000106040, fiscal year ends 06/30. Last price 343.67 on 2026-10-23, market value 128.6 billion dollars.
Machine-readable: WDC.json, WDC.md. Librarian dossier (cited facts, written 2026-10-26): WDC dossier. 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 | 32 partial, missing 3, 5, 6 |
partial: 3, 5, 6 | 2026-07-03 | 2014–2025 | 2026-10-23 | 8 verified, 2 mismatch, 17 unverified | method |
| Magic Formula | 81 | ok | 2026-07-03 | — | 2026-10-23 | — | method |
| Momentum | 60 | ok | 2026-10-23 | — | 2026-10-23 | — | method |
| Insider | 0 | ok | 2026-10-23 | — | — | — | method |
| Buffett Quality | 56 | ok | 2026-07-03 | 2018–2026 | 2026-10-23 | 0 verified, 41 unverified | method |
| Lynch GARP | 66 partial, missing 5 |
partial: 5 | 2026-07-03 | 2021–2026 | 2026-10-23 | 0 verified, 5 unverified | method |
| Graham Enterprising | 45 partial, missing 3 |
partial: 3 | 2026-07-03 | 2021–2026 | 2026-10-23 | 0 verified, 7 unverified | method |
| Piotroski F-Score | n/a | insufficient data (net income for FY2025 not reported) | — | — | — | — | method |
Market value, source trail
| Input | Value | Unit | Period / date | Source |
|---|---|---|---|---|
| Traded price | 343.67 | USD per traded unit (share or ADS) | 2026-10-23 | Yahoo Finance |
| SEC shares outstanding | 374,323,269 | underlying shares | 2026-10-15 | SEC cover page 10-Q 0001628280-26-066933 (374,323,269 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/106040/000162828026066933/wdc-20261002.htm 0001628280-26-066933 |
| 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 | 128,643,677,857 | USD | 2026-10-23 shares at 2026-10-15 | 343.67 (price 2026-10-23) / 1 x 374,323,269 (shares at 2026-10-15) = 128,643,677,857 |
Graham Defensive
| Test or factor | Value | Threshold | Points |
|---|---|---|---|
| 1 Adequate size | 12.92 revenue $B | >= 1 | 5.0 / 5 |
| 2a Current ratio | 1.33 | >= 2.0 | 4.9 / 15 |
| 2b Long-term debt vs working capital | 0.0 LTD / WC | <= 1.0 | 15.0 / 15 |
| 3 Positive earnings each of 10 years | 8 years reported missing 2019, 2025 | 10 of 10 | None / 15 |
| 4 Dividends every year for 20 years 1 year(s) where Yahoo and XBRL disagree | 10 of 20 missing 2006, 2007, 2008, 2009, 2010, 2011, 2021, 2022, 2023, 2024 XBRL check: 8 years agree, 1 disagree (2024), 11 unverified | 20 of 20 | 7.5 / 15 |
| 5 EPS growth, 3-yr avg now vs 10 yrs ago | — missing 2025, 2014 | >= +33% | None / 10 |
| 6 P/E on 3-year average EPS needs the last three fiscal years of EPS | — | <= 15 | None / 15 |
| 7 P/B <= 1.5, or P/E x P/B <= 22.5 | P/B 14.51 | <= 1.5 or <= 22.5 | 0.0 / 10 |
Inputs, 29 numbers with their sources
| Input | Value | Period | Source | Check |
|---|---|---|---|---|
| Price (close, per traded unit) | 343.67 | 2026-10-23 | Alpaca Market Data (consolidated SIP daily bar) | not cross-checked |
| Revenue | 12919000000.0 | 2026-07-03 | SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001628280-26-057139 | unverified |
| current_assets | 5634000000.0 | 2026-07-03 | SEC XBRL AssetsCurrent 0001628280-26-057139 | unverified |
| current_liabilities | 4240000000.0 | 2026-07-03 | SEC XBRL LiabilitiesCurrent 0001628280-26-057139 | unverified |
| lt_debt | 0.0 | 2026-07-03 | SEC XBRL LongTermDebtNoncurrent 0001628280-26-057139 | unverified |
| equity | 8864000000.0 | 2026-07-03 | SEC XBRL StockholdersEquity 0001628280-26-057139 | unverified |
| Net income FY2016 | 242000000.0 | 2016-07-01 history | SEC XBRL NetIncomeLoss 0000106040-18-000029 | unverified |
| Net income FY2017 | 675000000.0 | 2018-06-29 history | SEC XBRL NetIncomeLoss 0000106040-20-000049 | unverified |
| Net income FY2018 | -754000000.0 | 2019-06-28 history | SEC XBRL NetIncomeLoss 0000106040-21-000040 | unverified |
| Net income FY2020 | -250000000.0 | 2020-07-03 history | SEC XBRL NetIncomeLoss 0000106040-22-000055 | unverified |
| Net income FY2021 | 821000000.0 | 2021-07-02 history | SEC XBRL NetIncomeLoss 0000106040-23-000024 | unverified |
| Net income FY2022 | 1546000000.0 | 2022-07-01 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0000106040-24-000031 | unverified |
| Net income FY2023 | -798000000.0 | 2024-06-28 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| Net income FY2024 | 1889000000.0 | 2025-06-27 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| Dividend years (Yahoo) | [2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2025, 2026] | history | Yahoo Finance dividend history | mismatch |
| Dividends per share FY2013 (XBRL) | 1.25 | 2014-06-27 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-16-000044 | verified |
| Dividends per share FY2015 (XBRL) | 1.8 | 2015-07-03 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-17-000027 | verified |
| Dividends per share FY2016 (XBRL) | 2.0 | 2016-07-01 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-18-000029 | verified |
| Dividends per share FY2017 (XBRL) | 2.0 | 2018-06-29 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-20-000049 | verified |
| Dividends per share FY2018 (XBRL) | 2.0 | 2019-06-28 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-21-000040 | verified |
| Dividends per share FY2020 (XBRL) | 1.5 | 2020-07-03 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-22-000055 | verified |
| Dividends per share FY2021 (XBRL) | 0.0 | 2021-07-02 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-22-000055 | verified |
| Dividends per share FY2022 (XBRL) | 0.0 | 2022-07-01 history | SEC XBRL CommonStockDividendsPerShareDeclared 0000106040-22-000055 | verified |
| Dividends per share FY2024 (XBRL) | 0.1 | 2025-06-27 history | SEC XBRL CommonStockDividendsPerShareDeclared 0001628280-26-057139 | mismatch |
| EPS diluted FY2015 | 6.18 | 2015-07-03 history | SEC XBRL EarningsPerShareDiluted 0000106040-17-000027 | unverified |
| EPS diluted FY2016 | 1.0 | 2016-07-01 history | SEC XBRL EarningsPerShareDiluted 0000106040-18-000029 | unverified |
| EPS diluted FY2023 | -2.61 | 2024-06-28 history | SEC XBRL EarningsPerShareDiluted 0001628280-26-057139 | unverified |
| EPS diluted FY2024 | 5.12 | 2025-06-27 history | SEC XBRL EarningsPerShareDiluted 0001628280-26-057139 | unverified |
| Shares outstanding | 374323269.0 | 2026-10-15 | SEC cover page 10-Q 0001628280-26-066933 (374,323,269 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/106040/000162828026066933/wdc-20261002.htm 0001628280-26-066933 | not cross-checked |
Magic Formula
| Test or factor | Value | Threshold | Points |
|---|---|---|---|
| Earnings yield (EBIT/EV) EBIT trailing twelve months; EV = market cap + debt (1,052,000,000) - cash | 4.45 % (rank 98) | ||
| Return on capital (EBIT/(NWC+PPE)) net working capital 1,394,000,000 used as reported | 147.47 % (rank 23) | ||
| Combined rank | 121 |
Inputs, 11 numbers with their sources
| Input | Value | Period | Source | Check |
|---|---|---|---|---|
| operating_income | 4453000000.0 | 2026-07-03 history | SEC XBRL OperatingIncomeLoss 0001628280-26-057139 | not cross-checked |
| operating_income_q | 2046000000.0 | 2026-10-02 | SEC XBRL OperatingIncomeLoss (quarter CY2026Q3) 0001628280-26-066933 | not cross-checked |
| operating_income_q | 792000000.0 | 2025-10-03 history | SEC XBRL OperatingIncomeLoss (quarter CY2025Q3) 0001628280-26-066933 | not cross-checked |
| current_assets | 5634000000.0 | 2026-07-03 | SEC XBRL AssetsCurrent 0001628280-26-057139 | not cross-checked |
| current_liabilities | 4240000000.0 | 2026-07-03 | SEC XBRL LiabilitiesCurrent 0001628280-26-057139 | not cross-checked |
| cash | 1579000000.0 | 2026-07-03 | SEC XBRL CashAndCashEquivalentsAtCarryingValue 0001628280-26-057139 | not cross-checked |
| ppe_net | 2476000000.0 | 2026-07-03 | SEC XBRL PropertyPlantAndEquipmentNet 0001628280-26-057139 | not cross-checked |
| debt_incl_current | 1052000000.0 | 2026-07-03 | SEC XBRL LongTermDebt 0001628280-26-057139 | not cross-checked |
| shares_out | 374323269.0 | 2026-10-15 | SEC cover page 10-Q 0001628280-26-066933 (374,323,269 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/106040/000162828026066933/wdc-20261002.htm 0001628280-26-066933 | not cross-checked |
| Price (close) | 343.67 | 2026-10-23 | Yahoo Finance / Alpaca Market Data | not cross-checked |
| note | debt = LongTermDebt (incl. current maturities) | not cross-checked |
Momentum
| Test or factor | Value | Threshold | Points |
|---|---|---|---|
| 12-1 month return | 277.5 % (percentile 99.0) | 49.5 / 50 | |
| 6 month return | -14.7 % (percentile 14.7) | 2.9 / 20 | |
| Price / 52-week high | 0.461 | 6.9 / 15 | |
| Volatility penalty (60d annualised) | 69.2 % | 0.6 / 15 |
Inputs, 1 numbers with their sources
| Input | Value | Period | Source | Check |
|---|---|---|---|---|
| Adjusted close series (14 months) | 343.67 | 2026-10-23 | Yahoo Finance / Alpaca Market Data daily history | not cross-checked |
Insider
| Test or factor | Value | Threshold | 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) | 0.26 bp | -4.3 / 0 |
Inputs, 34 numbers with their sources
| Input | Value | Period | Source | Check |
|---|---|---|---|---|
| Form 4 S Gubbi Vidyadhara K 2026-09-04 | 825466.65 | 2026-09-04 | SEC Form 4 (insider transactions data set) | not cross-checked |
| Form 4 S STREETER STEPHANIE A 2026-09-01 | 728000.0 | 2026-09-01 | SEC Form 4 (insider transactions data set) | not cross-checked |
| Form 4 S STREETER STEPHANIE A 2026-08-31 | 894120.0 | 2026-08-31 | SEC Form 4 (insider transactions data set) | not cross-checked |
| Form 4 S STREETER STEPHANIE A 2026-08-31 | 897160.0 | 2026-08-31 | SEC Form 4 (insider transactions data set) | not cross-checked |
| excluded 2026-10-21 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-09-04 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-27 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-26 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-24 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-21 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-11 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-11 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-11 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-11 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-11 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-11 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-08-11 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked | |
| excluded 2026-07-28 S | 10b5-1 plan | rule | not cross-checked |
Buffett Quality
| Test or factor | Value | Threshold | Points |
|---|---|---|---|
| 1 Average return on equity (net income / year-end equity) | 18.8% over 8 yrs | >= 15% | 25.0 / 25 |
| 2 Profitable every year | 5 of 8 | all years | 9.4 / 15 |
| 3 Net income growth, 3-yr average now vs start of window growth rate undefined | base or latest average not positive | >= +10% | 0.0 / 10 |
| 4 Borrowings / 3-yr average earnings (years to repay) LongTermDebt (incl. current maturities) | 0.3 years | <= 4 | 15.0 / 15 |
| 5 Operating margin, 5-yr average | 16.3% | >= 20% | 6.9 / 10 |
| 6 Free cash flow / net income, 5-yr (operating cash flow minus capex) | 0.40 | >= 1.0 | 0.0 / 10 |
| 7 Owner-earnings yield (3-yr avg free cash flow / market cap) | 1.0% | >= 7% | 0.0 / 15 |
Inputs, 43 numbers with their sources
| Input | Value | Period | Source | Check |
|---|---|---|---|---|
| Price (close, per traded unit) | 343.67 | 2026-10-23 | Alpaca Market Data (consolidated SIP daily bar) | not cross-checked |
| Net income FY2017 | 675000000.0 | 2018-06-29 history | SEC XBRL NetIncomeLoss 0000106040-20-000049 | unverified |
| Equity at FY2017 end | 11531000000.0 | 2018-06-29 history | SEC XBRL StockholdersEquity 0000106040-21-000040 | unverified |
| Net income FY2018 | -754000000.0 | 2019-06-28 history | SEC XBRL NetIncomeLoss 0000106040-21-000040 | unverified |
| Equity at FY2018 end | 9967000000.0 | 2019-06-28 history | SEC XBRL StockholdersEquity 0000106040-22-000055 | unverified |
| Net income FY2020 | -250000000.0 | 2020-07-03 history | SEC XBRL NetIncomeLoss 0000106040-22-000055 | unverified |
| Equity at FY2020 end | 9551000000.0 | 2020-07-03 history | SEC XBRL StockholdersEquity 0000106040-23-000024 | unverified |
| Net income FY2021 | 821000000.0 | 2021-07-02 history | SEC XBRL NetIncomeLoss 0000106040-23-000024 | unverified |
| Equity at FY2021 end | 10800000000.0 | 2021-07-02 history | SEC XBRL StockholdersEquity 0000106040-24-000031 | unverified |
| Net income FY2022 | 1546000000.0 | 2022-07-01 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0000106040-24-000031 | unverified |
| Equity at FY2022 end | 12323000000.0 | 2022-07-01 history | SEC XBRL StockholdersEquity 0000106040-25-000038 | unverified |
| Net income FY2023 | -798000000.0 | 2024-06-28 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| Equity at FY2023 end | 10818000000.0 | 2024-06-28 history | SEC XBRL StockholdersEquity 0001628280-26-057139 | unverified |
| Net income FY2024 | 1889000000.0 | 2025-06-27 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| Equity at FY2024 end | 5311000000.0 | 2025-06-27 history | SEC XBRL StockholdersEquity 0001628280-26-057139 | unverified |
| Net income FY2026 | 9424000000.0 | 2026-07-03 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| Equity at FY2026 end | 8864000000.0 | 2026-07-03 history | SEC XBRL StockholdersEquity 0001628280-26-057139 | unverified |
| Net income FY2017 | 675000000.0 | 2018-06-29 history | SEC XBRL NetIncomeLoss 0000106040-20-000049 | unverified |
| Net income FY2018 | -754000000.0 | 2019-06-28 history | SEC XBRL NetIncomeLoss 0000106040-21-000040 | unverified |
| Net income FY2020 | -250000000.0 | 2020-07-03 history | SEC XBRL NetIncomeLoss 0000106040-22-000055 | unverified |
| Net income FY2021 | 821000000.0 | 2021-07-02 history | SEC XBRL NetIncomeLoss 0000106040-23-000024 | unverified |
| Net income FY2022 | 1546000000.0 | 2022-07-01 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0000106040-24-000031 | unverified |
| Net income FY2023 | -798000000.0 | 2024-06-28 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| Net income FY2024 | 1889000000.0 | 2025-06-27 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| Net income FY2026 | 9424000000.0 | 2026-07-03 history | SEC XBRL NetIncomeLoss (10-K via companyfacts; frames served proxy 0001628280-26-064909) 0001628280-26-057139 | unverified |
| debt_incl_current | 1052000000.0 | 2026-07-03 | SEC XBRL LongTermDebt 0001628280-26-057139 | unverified |
| Operating income FY2022 | 2391000000.0 | 2022-07-01 history | SEC XBRL OperatingIncomeLoss 0000106040-24-000031 | unverified |
| Revenue FY2022 | 18793000000.0 | 2022-07-01 history | SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0000106040-24-000031 | unverified |
| Operating income FY2023 | -403000000.0 | 2024-06-28 history | SEC XBRL OperatingIncomeLoss 0001628280-26-057139 | unverified |
| Revenue FY2023 | 6317000000.0 | 2024-06-28 history | SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001628280-26-057139 | unverified |
| Operating income FY2024 | 2334000000.0 | 2025-06-27 history | SEC XBRL OperatingIncomeLoss 0001628280-26-057139 | unverified |
| Revenue FY2024 | 9520000000.0 | 2025-06-27 history | SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001628280-26-057139 | unverified |
| Operating income FY2026 | 4453000000.0 | 2026-07-03 history | SEC XBRL OperatingIncomeLoss 0001628280-26-057139 | unverified |
| Revenue FY2026 | 12919000000.0 | 2026-07-03 history | SEC XBRL RevenueFromContractWithCustomerExcludingAssessedTax 0001628280-26-057139 | unverified |
| Operating cash flow FY2022 | 1880000000.0 | 2022-07-01 history | SEC XBRL NetCashProvidedByUsedInOperatingActivities 0000106040-24-000031 | unverified |
| Capital expenditure FY2022 | 1122000000.0 | 2022-07-01 history | SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0000106040-24-000031 | unverified |
| Operating cash flow FY2023 | -294000000.0 | 2024-06-28 history | SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001628280-26-057139 | unverified |
| Capital expenditure FY2023 | 487000000.0 | 2024-06-28 history | SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001628280-26-057139 | unverified |
| Operating cash flow FY2024 | 1691000000.0 | 2025-06-27 history | SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001628280-26-057139 | unverified |
| Capital expenditure FY2024 | 412000000.0 | 2025-06-27 history | SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001628280-26-057139 | unverified |
| Operating cash flow FY2026 | 3929000000.0 | 2026-07-03 history | SEC XBRL NetCashProvidedByUsedInOperatingActivities 0001628280-26-057139 | unverified |
| Capital expenditure FY2026 | 418000000.0 | 2026-07-03 history | SEC XBRL PaymentsToAcquirePropertyPlantAndEquipment 0001628280-26-057139 | unverified |
| Shares outstanding | 374323269.0 | 2026-10-15 | SEC cover page 10-Q 0001628280-26-066933 (374,323,269 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/106040/000162828026066933/wdc-20261002.htm 0001628280-26-066933 | not cross-checked |
Lynch GARP
| Test or factor | Value | Threshold | Points |
|---|---|---|---|
| 1 PEG: P/E divided by 5-yr EPS growth (in % points) | 0.25 | <= 1.0 | 30.0 / 30 |
| 2 EPS growth, 5-yr compound rate | +55.6% a year | 12% to 35% a year | 3.5 / 20 |
| 3 P/E on latest annual EPS | 14.2 | <= 25 | 10.0 / 10 |
| 4 Borrowings / equity LongTermDebt (incl. current maturities) | 0.12 | <= 0.5 | 15.0 / 15 |
| 5 Years of the last 5 in which EPS rose needs six consecutive fiscal years of diluted EPS | — | 5 of 5 | None / 15 |
| 6 Net cash (cash minus borrowings) / market cap | +0.4% | >= +10% | 7.3 / 10 |
Inputs, 6 numbers with their sources
| Input | Value | Period | Source | Check |
|---|---|---|---|---|
| Price (close, per traded unit) | 343.67 | 2026-10-23 | Alpaca Market Data (consolidated SIP daily bar) | not cross-checked |
| EPS diluted FY2026 | 24.28 | 2026-07-03 history | SEC XBRL EarningsPerShareDiluted 0001628280-26-057139 | unverified |
| EPS diluted FY2021 | 2.66 | 2021-07-02 history | SEC XBRL EarningsPerShareDiluted 0000106040-23-000024 | unverified |
| debt_incl_current | 1052000000.0 | 2026-07-03 | SEC XBRL LongTermDebt 0001628280-26-057139 | unverified |
| equity | 8864000000.0 | 2026-07-03 | SEC XBRL StockholdersEquity 0001628280-26-057139 | unverified |
| cash | 1579000000.0 | 2026-07-03 | SEC XBRL CashAndCashEquivalentsAtCarryingValue 0001628280-26-057139 | unverified |
Graham Enterprising
| Test or factor | Value | Threshold | Points |
|---|---|---|---|
| 1 Current ratio | 1.33 | >= 1.5 | 9.9 / 15 |
| 2 Borrowings vs working capital LongTermDebt (incl. current maturities) | 0.75 x | <= 1.1x | 15.0 / 15 |
| 3 No earnings deficit in the last 5 years needs five consecutive fiscal years of net income | 4 years reported | 5 of 5 | None / 15 |
| 4 Pays a current dividend | yes | yes | 10.0 / 10 |
| 5 EPS higher than five years earlier | 2.66 -> 24.28 | higher | 10.0 / 10 |
| 6 Price / book value per share book value used because intangibles are not separated in the dataset (Graham uses net tangible assets) | 14.51 | <= 1.2 | 0.0 / 20 |
| 7 Price / net current asset value per share (current assets minus all liabilities) | 201.95 | <= 0.67 | 0.0 / 15 |
Inputs, 10 numbers with their sources
| Input | Value | Period | Source | Check |
|---|---|---|---|---|
| Price (close, per traded unit) | 343.67 | 2026-10-23 | Alpaca Market Data (consolidated SIP daily bar) | not cross-checked |
| current_assets | 5634000000.0 | 2026-07-03 | SEC XBRL AssetsCurrent 0001628280-26-057139 | unverified |
| current_liabilities | 4240000000.0 | 2026-07-03 | SEC XBRL LiabilitiesCurrent 0001628280-26-057139 | unverified |
| debt_incl_current | 1052000000.0 | 2026-07-03 | SEC XBRL LongTermDebt 0001628280-26-057139 | unverified |
| Dividend years (Yahoo) | [2015, 2016, 2017, 2018, 2019, 2020, 2025, 2026] | history | Yahoo Finance dividend history | not cross-checked |
| EPS diluted FY2026 | 24.28 | 2026-07-03 history | SEC XBRL EarningsPerShareDiluted 0001628280-26-057139 | unverified |
| EPS diluted FY2021 | 2.66 | 2021-07-02 history | SEC XBRL EarningsPerShareDiluted 0000106040-23-000024 | unverified |
| equity | 8864000000.0 | 2026-07-03 | SEC XBRL StockholdersEquity 0001628280-26-057139 | unverified |
| Shares outstanding | 374323269.0 | 2026-10-15 | SEC cover page 10-Q 0001628280-26-066933 (374,323,269 shares (single class on cover)); filing document https://www.sec.gov/Archives/edgar/data/106040/000162828026066933/wdc-20261002.htm 0001628280-26-066933 | not cross-checked |
| liabilities | 4997000000.0 | 2026-07-03 | SEC XBRL Liabilities 0001628280-26-057139 | unverified |
Piotroski F-Score
insufficient data (net income for FY2025 not reported).
Earnings record
| FY | Ended | Revenue, $M | Net income, $M | EPS diluted | Dividend | Filing |
|---|---|---|---|---|---|---|
| 2014 | 2014-06-27 | 1,617 | 6.68 | paid | 0000106040-16-000044 | |
| 2015 | 2015-07-03 | 1,465 | 6.18 | paid | 0000106040-17-000027 | |
| 2016 | 2016-07-01 | 242 | 1.0 | paid | 0000106040-18-000029 | |
| 2018 | 2018-06-29 | 20,647 | 675 | 2.2 | paid | 0000106040-20-000049 |
| 2019 | 2019-06-28 | 16,569 | -754 | -2.58 | paid | 0000106040-21-000040 |
| 2020 | 2020-07-03 | 16,736 | -250 | -0.84 | paid | 0000106040-22-000055 |
| 2021 | 2021-07-02 | 16,922 | 821 | 2.66 | none | 0000106040-23-000024 |
| 2022 | 2022-07-01 | 18,793 | 1,546 | 4.89 | none | 0000106040-24-000031 |
| 2024 | 2024-06-28 | 6,317 | -798 | -2.61 | none | 0001628280-26-057139 |
| 2025 | 2025-06-27 | 9,520 | 1,889 | 5.12 | paid | 0001628280-26-057139 |
| 2026 | 2026-07-03 | 12,919 | 9,424 | 24.28 | paid | 0001628280-26-057139 |
Insider transactions
| Date | Insider | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 2026-10-21 | Tregillis Cynthia L | officer | sale plan | 807 | 380.00 | 306,660 |
| 2026-09-04 | Gubbi Vidyadhara K | officer | sale | 1,795 | 459.87 | 825,467 |
| 2026-09-04 | Tregillis Cynthia L | officer | sale plan | 432 | 451.20 | 194,918 |
| 2026-09-01 | Streeter Stephanie A | director | sale | 1,600 | 455.00 | 728,000 |
| 2026-08-31 | Streeter Stephanie A | director | sale | 2,000 | 447.06 | 894,120 |
| 2026-08-31 | Streeter Stephanie A | director | sale | 2,000 | 448.58 | 897,160 |
| 2026-08-27 | Tregillis Cynthia L | officer | sale plan | 1,007 | 478.36 | 481,709 |
| 2026-08-26 | Tregillis Cynthia L | officer | sale plan | 476 | 450.78 | 214,571 |
| 2026-08-24 | Tregillis Cynthia L | officer | sale plan | 684 | 446.17 | 305,180 |
| 2026-08-21 | Tregillis Cynthia L | officer | sale plan | 235 | 477.27 | 112,158 |
| 2026-08-11 | Tan Irving | CEO | sale plan | 2,478 | 441.48 | 1,093,987 |
| 2026-08-11 | Tan Irving | CEO | sale plan | 1,880 | 444.67 | 835,980 |
| 2026-08-11 | Tan Irving | CEO | sale plan | 4,822 | 445.45 | 2,147,960 |
| 2026-08-11 | Tan Irving | CEO | sale plan | 989 | 442.22 | 437,356 |
| 2026-08-11 | Tan Irving | CEO | sale plan | 6,445 | 446.38 | 2,876,919 |
| 2026-08-11 | Tan Irving | CEO | sale plan | 1,546 | 447.18 | 691,340 |
| 2026-08-11 | Tan Irving | CEO | sale plan | 1,840 | 443.35 | 815,764 |
| 2026-07-28 | Cole Martin I | director | sale plan | 64 | 434.81 | 27,828 |
| 2026-07-28 | Cole Martin I | director | sale plan | 112 | 433.84 | 48,590 |
| 2026-07-28 | Cole Martin I | director | sale plan | 115 | 431.41 | 49,612 |
Filings and links
- SEC: filing index, 8-K, Form 4, XBRL companyfacts
- Prices: Yahoo Finance, Stooq
- Elsewhere: morningstar, finviz, stockanalysis, seeking alpha, openinsider, google news