Western Digital Corporation
Western Digital Corporation (WDC) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · WDC · as of Sep 30, 2024
Ownership Breakdown
782
Institutional Holders
▼ 64 vs Q2
$22.03B
Total Inst. Value
▼ $3.37B vs Q2
344.68M
Shares Outstanding
freeFloat 99.03%
322.75M
13F Shares Held
▼ 12.46M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
WDC largest shareholders · institutional ownership
Q3 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC computer storage devices | 41.02M | 11.92% | 11.92% | $2.80T | Nov 13, 2024 | ▲ 2.19M |
BLACKROCK, INC. computer storage devices | 28.39M | 8.25% | 8.25% | $1.94T | Nov 13, 2024 | NEW |
FMR LLC computer storage devices | 18.95M | 5.51% | 5.51% | $1.29T | Nov 13, 2024 | ▼ 1.62M |
JPMORGAN CHASE & CO computer storage devices | 18.27M | 5.31% | 5.31% | $1.25T | Dec 26, 2024 | ▲ 15.76M |
BANK OF AMERICA CORP /DE/ computer storage devices | 14.90M | 4.33% | 4.33% | $1.02T | Nov 14, 2024 | ▼ 348.3K |
STATE STREET CORP computer storage devices | 13.57M | 3.95% | 3.95% | $926.88B | Nov 14, 2024 | ▲ 423.7K |
PRICE T ROWE ASSOCIATES INC /MD/ computer storage devices | 11.94M | 3.47% | 3.47% | $815.52B | Nov 14, 2024 | ▼ 3.04M |
DNB ASSET MANAGEMENT AS computer storage devices | 10.61M | 3.08% | 3.08% | $724.55B | Nov 12, 2024 | ▲ 2.75M |
GEODE CAPITAL MANAGEMENT, LLC computer storage devices | 7.92M | 2.30% | 2.30% | $539.36B | Nov 12, 2024 | ▲ 76.8K |
AMERIPRISE FINANCIAL INC computer storage devices | 6.55M | 1.90% | 1.90% | $446.97B | Nov 14, 2024 | ▲ 1.02M |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2024 vs prior quarter
Q3 2024
29
Increased
+36.60M shares2
New Positions
first time holders19
Decreased
−21.97M shares0
Sold Out
fully exitedNet shares change (top 50)
+14.63M
+36.60M / −21.97M
Net new holders
+12
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
WDC insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
19
Buy transactions
72
Sell transactions
0.26
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Tregillis Cynthia L Chief Legal Officer & Corp Sec | Jun 3, 2026 | Tax Withhold | 699 | $594.11 | $415.3K | 117.1K | Form 4 ↗ |
Tregillis Cynthia L Chief Legal Officer & Corp Sec | Jun 5, 2026 | Sale | 432 | $545.60 | $235.7K | 116.6K | Form 4 ↗ |
Gubbi Vidyadhara K Chief of Global Operations | Jun 3, 2026 | Tax Withhold | 1,764 | $594.11 | $1.05M | 83.4K | Form 4 ↗ |
Davis Brian Scott Chief Sales & Mrktng Officer | Jun 3, 2026 | Tax Withhold | 881 | $594.11 | $523.4K | 102.6K | Form 4 ↗ |
Gubbi Vidyadhara K Chief of Global Operations | Jun 1, 2026 | Sale | 2,475 | $556.24 | $1.38M | 85.2K | Form 4 ↗ |
KIDDOO BRUCE E director | May 28, 2026 | Sale | 750 | $528.52 | $396.4K | 3.9K | Form 4 ↗ |
Das Manuvir director | May 26, 2026 | Award | 772 | — | — | 772 | Form 4 ↗ |
Tregillis Cynthia L Chief Legal Officer & Corp Sec | May 22, 2026 | Sale | 308 | $488.61 | $150.5K | 118.1K | Form 4 ↗ |
Tregillis Cynthia L Chief Legal Officer & Corp Sec | May 25, 2026 | Tax Withhold | 771 | $484.28 | $373.4K | 117.4K | Form 4 ↗ |
Tregillis Cynthia L Chief Legal Officer & Corp Sec | May 27, 2026 | Sale | 214 | $539.63 | $115.5K | 117.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Western Digital Corporation (WDC) is primarily owned by institutional investors, who hold approximately 93.6% of total shares outstanding. Company insiders own approximately 0.97%, while retail and public investors account for the remaining 5.40%.
The largest institutional shareholder of Western Digital Corporation is VANGUARD GROUP INC, holding approximately 41.02 million shares — equal to 11.92% of outstanding shares — as of September 30, 2024.
A total of 782 institutional investors currently hold WDC stock, with a combined institutional value of approximately $22.03 billion as of the most recent 13F filing period.
Frequently asked questions
WDC ownershipWestern Digital Corporation (WDC) is primarily owned by institutional investors, who hold approximately 93.6% of shares. The largest shareholder is VANGUARD GROUP INC with a 11.92% stake. Company insiders hold 0.97%. Data sourced from SEC Form 13F as of September 30, 2024.