Western Digital Corp
Held by 13 tracked managers as of Q2 2026 · CUSIP ⓘCUSIP: A 9-character ID for one specific security - one share class of one company, or one bond. Tickers can change and can mean different things in different countries; a CUSIP always identifies exactly the same security, which is why filings use it. Guide 958102105 · Sector ⓘGICS sectors: The 11-sector system most investors know (Global Industry Classification Standard): Technology, Health Care, Financials and so on. This site assigns each company a GICS-style sector from its SIC code, with a few hand corrections, so sector pages match the names investors expect. Guide
Educational and informational only, not personalized investment advice. Based on public filings that may be delayed or contain errors; verify with the original filings. Disclaimer
Tracked capital in this stock
Total value held (area) and number of managers (line). Dips can mean a large holder filed that quarter confidentially (e.g. Norges Bank in Q1/Q3).
Aggregate buying and selling
Net share change reported each quarter
Who owns WDC?
🔒 The 'who added and who trimmed' chart is a Plus feature
You're viewing the Free plan. Upgrade to unlock The 'who added and who trimmed' chart — every paid plan starts with a 7-day free trial, and you can cancel in two clicks.
Who owns WDC? — Q2 2026
Holders ranked by position size, with each one's quarter-over-quarter change.
Column filters
| # | Manager | Fund | Shares | Value ↓ | % of their portfolio | QoQ | Δ shares | Δ shares % | Est. Δ value ⓘChange in shares × this quarter's price |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Norges Bank | Norges Bank Investment Management | 4.63M | $2.96B | 0.3% | — | — | — | — |
| 2 | Fred Alger | Fred Alger Management | 2.21M | $1.41B | 4.7% | Reduced | -453.5K | -17.1% | -$289.67M |
| 3 | David Shaw | D.E. Shaw & Co. | 1.90M | $1.21B | 0.8% | Reduced | -786.4K | -29.3% | -$502.32M |
| 4 | Ken Griffin | Citadel Advisors | 657.88K | $420.20M | 0.2% | Added | +392.0K | +147.4% | +$250.38M |
| 5 | Jim Simons | Renaissance Technologies | 537.47K | $343.29M | 0.5% | Reduced | -608.7K | -53.1% | -$388.76M |
| 6 | Israel Englander | Millennium Management | 351.96K | $224.81M | 0.2% | Added | +74.3K | +26.8% | +$47.46M |
| 7 | Parnassus Investments | Parnassus Investments LLC | 198.47K | $126.77M | 0.3% | Reduced | -198.3K | -50.0% | -$126.68M |
| 8 | Ray Dalio | Bridgewater Associates | 172.41K | $110.12M | 0.5% | Reduced | -76.6K | -30.8% | -$48.94M |
| 9 | Steve Cohen | Point72 Asset Management | 73.59K | $47.01M | 0.1% | Reduced | -550.4K | -88.2% | -$351.52M |
| 10 | Two Sigma | Two Sigma Investments | 48.56K | $31.01M | 0.0% | Added | +46.6K | +2364.8% | +$29.76M |
| 11 | LSV Asset Management | LSV Asset Management | 32.66K | $20.86M | 0.0% | Reduced | -336.6K | -91.2% | -$215.00M |
| 12 | Robert Robotti | Robotti & Co Advisors | 21.77K | $13.91M | 2.2% | Reduced | -24.8K | -53.2% | -$15.82M |
| 13 | Ken Fisher | Fisher Asset Management | 8.61K | $5.50M | 0.0% | Reduced | -6.5K | -43.0% | -$4.14M |
Column filters
| Manager | Fund | Shares sold | Value last quarter ↓ |
|---|---|---|---|
| Soroban Capital | Soroban Capital Partners | -1.1M | $310.06M |
Politician trades
Column filters
| Politician | Date | Ticker | Asset | Type | Reported range ⓘThe dollar range the politician reported. Exact amounts are not disclosed. | Est. size ⓘOur estimate only: the midpoint of the reported range. | Owner | Account ⓘSubholding Of: the account the trade was in, as named on the report (e.g. an IRA or a brokerage account). The same stock bought on the same day in different accounts is a separate trade in each account. | Filed ↓ | Filing delay ⓘDays between the trade and the report. Over 45 days is late under the STOCK Act. | Source |
|---|---|---|---|---|---|---|---|---|---|---|---|
| John J. McGuire III Politician | Oct 15, 2026 | WDC | Western Digital Corporation - Common Stock (WDC) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | Merrill Lynch SEP IRA | Nov 6, 2026 | 22 days | PTR ↗ |
| Jefferson Shreve Politician | May 12, 2025 | WDC | Western Digital Corporation - Common Stock (WDC) [ST] | Sale | $15,001 - $50,000 | Est. $32,500 (midpoint of reported range $15,001–$50,000) | Self | CRT - Standard Unit Trust | Jun 22, 2025 | 41 days | PTR ↗ |
| Jefferson Shreve Politician | Apr 17, 2025 | WDC | Western Digital Corporation - Common Stock (WDC) [ST] | Purchase | $15,001 - $50,000 | Est. $32,500 (midpoint of reported range $15,001–$50,000) | Self | CRT - Standard Unit Trust | May 8, 2025 | 21 days | PTR ↗ |
| Robert P. Bresnahan, Jr. Politician | Apr 10, 2025 | WDC | Western Digital Corporation - Common Stock (WDC) [ST] | Sale (partial) | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | JP Morgan Brokerage Account #2 | May 8, 2025 | 28 days | PTR ↗ |
| Robert P. Bresnahan, Jr. Politician | Apr 11, 2025 | WDC | Western Digital Corporation - Common Stock (WDC) [ST] | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | JP Morgan Brokerage Account #2 | May 8, 2025 | 27 days | PTR ↗ |
| Jefferson Shreve Politician | Mar 13, 2025 | WDC | Western Digital Corporation - Common Stock (WDC) [ST] | Sale | $15,001 - $50,000 | Est. $32,500 (midpoint of reported range $15,001–$50,000) | Self | CRT - Standard Unit Trust | Apr 11, 2025 | 29 days | PTR ↗ |