WDC — WESTERN DIGITAL CORP
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Dividends
Measured signals that fired on WDC
| date | signal | measured base rate |
|---|---|---|
| 2026-08-06 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-06 | Equal lows taken out structure | -0.64% over 21 days · t = -4.75 · n = 55,661 statistically distinguishable from its control group |
| 2026-07-30 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-16 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-05 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-06-01 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-11 | Tan Irving Chief Executive Officer | Open-market sale 10b5-1 plan | 6.4K | 446.38 | 2.9M |
| 2026-08-11 | Tan Irving Chief Executive Officer | Open-market sale 10b5-1 plan | 4.8K | 445.45 | 2.1M |
| 2026-08-11 | Tan Irving Chief Executive Officer | Open-market sale 10b5-1 plan | 2.5K | 441.48 | 1.1M |
| 2026-08-11 | Tan Irving Chief Executive Officer | Open-market sale 10b5-1 plan | 1.9K | 444.67 | 836.0K |
| 2026-08-11 | Tan Irving Chief Executive Officer | Open-market sale 10b5-1 plan | 1.8K | 443.35 | 815.8K |
| 2026-08-11 | Tan Irving Chief Executive Officer | Open-market sale 10b5-1 plan | 1.5K | 447.18 | 691.3K |
| 2026-08-11 | Tan Irving Chief Executive Officer | Open-market sale 10b5-1 plan | 989 | 442.22 | 437.4K |
| 2026-07-28 | Cole Martin I Director | Open-market sale 10b5-1 plan | 529 | 458.96 | 242.8K |
| 2026-07-28 | Cole Martin I Director | Open-market sale 10b5-1 plan | 328 | 457.45 | 150.0K |
| 2026-07-28 | Cole Martin I Director | Open-market sale 10b5-1 plan | 312 | 456.52 | 142.4K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 9.7B | 35.8M |
| FMR LLC | 8.6B | 31.6M |
| VANGUARD CAPITAL MANAGEMENT LLC | 6.0B | 22.0M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4.6B | 17.2M |
| JPMORGAN CHASE & CO | 4.4B | 17.5M |
| STATE STREET CORP | 4.2B | 15.5M |
| Capital World Investors | 3.2B | 11.9M |
| GEODE CAPITAL MANAGEMENT, LLC | 2.6B | 9.5M |
| BANK OF AMERICA CORP /DE/ | 2.3B | 8.5M |
| MORGAN STANLEY | 2.1B | 7.9M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 10-K | 2026-08-14 | 2026-07-03 | on EDGAR ↗ |
| 4 | 2026-08-12 | 2026-08-11 | on EDGAR ↗ |
| 144 | 2026-08-11 | — | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-08-06 | — | on EDGAR ↗ |
| 8-K | 2026-08-05 | 2026-08-05 | on EDGAR ↗ |
| SCHEDULE 13G/A | 2026-07-31 | — | on EDGAR ↗ |
| 4 | 2026-07-29 | 2026-07-28 | on EDGAR ↗ |
| 4 | 2026-07-29 | 2026-07-28 | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- SanDisk, Micron, Western Digital Remain Cheap as Cyclical and AI Bubble Concerns Remain · 2026-08-23 · benzinga
- A 10-Year Treasury Bond Now Pays More Than 118 Of America's Biggest Companies · 2026-08-20 · benzinga
- Fed Minutes in Focus as AI Chip and Memory Stocks Diverge; Micron and Western Digital Fall Under Pressure - TradingKey · 2026-08-19 · TradingKey
- Jim Cramer Slams Data Center Reliance on Leveraged Retail-Driven SK Hynix, Samsung Stocks: 'Decided By Them, Not Us' · 2026-08-19 · benzinga
- Is Western Digital Stock an Undervalued AI Stock to Buy? · 2026-08-19
- What's Going On With Western Digital Stock Tuesday? · 2026-08-18 · benzinga
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