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
In plain English: 13 of the investors we track own this stock. In the latest quarter, 3 of them bought more of it and 10 sold some or all of theirs. That tells you what they did last quarter — not what the stock will do next.
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
Managers holding
13
-1 vs last quarter (like-for-like)
Total value held
$6.92B
Across tracked managers
Average weight ⓘOn average, how big this stock is in the portfolios that own it (its share of each manager's reported portfolio value).
0.8%
Of each manager's book
QoQ value ⓘLike-for-like: only managers that filed both quarters are compared, so a manager filing late (or confidentially) does not look like buying or selling. Includes price changes.
+$1.29B
+48.4% vs last quarter
Net shares bought
-3.7M
Est. net flow -$1.93B
Quarter activity
3 bought · 10 sold
0 new · 1 sold out
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?
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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gil Cisneros Politician | Sep 18, 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) | Self | 150 Main Street Trust > Bank of America | Oct 12, 2026 | 24 days | PTR ↗ |
| Ro Khanna Politician | Sep 25, 2026 | WDC | WESTERN DIGITAL CORPORATION CMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Oct 7, 2026 | 12 days | PTR ↗ |
| Gil Cisneros Politician | Jul 17, 2026 | WDC | Western Digital Corporation - Common Stock (WDC) [ST] | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Self | 150 Main Street Trust > Bank of America | Sep 4, 2026 | 49 days Late | PTR ↗ |
| Ro Khanna Politician | Apr 13, 2026 | WDC | WESTERN DIGITAL CORPORATION CMN x scanned | — | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | May 11, 2026 | 28 days | PTR ↗ |
| Ro Khanna Politician | Jan 29, 2026 | WDC | WESTERN DIGITAL CORPORATION CMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Feb 6, 2026 | 8 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 ↗ |
| Ro Khanna Politician | Apr 23, 2025 | WDC | WESTERN DIGITAL CORPORATION CIN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | May 12, 2025 | 19 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 ↗ |
| 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 ↗ |
| 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 ↗ |
| 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 ↗ |
| Ro Khanna Politician | Mar 12, 2025 | WDC | WESTERN DIGITAL CORPORATION CMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | — | — | Apr 10, 2025 | 29 days | PTR ↗ |
| Ro Khanna Politician | Mar 6, 2025 | WDC | WESTERN DIGITAL CORPORATION CMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Apr 10, 2025 | 35 days | PTR ↗ |
| Ro Khanna Politician | Jan 17, 2025 | WDC | WESTERN DIGITAL CORPORATION CMN scanned | Sale | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Feb 6, 2025 | 20 days | PTR ↗ |
| Ro Khanna Politician | Dec 16, 2024 | WDC | WESTERN DIGITAL CORPORATION CMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Spouse | — | Jan 8, 2025 | 23 days | PTR ↗ |
| Ro Khanna Politician | Jul 2, 2024 | WDC | WESTERNIDIGITAL CORPORATION CMN scanned | Sale (partial) | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | — | — | Aug 7, 2024 | 36 days | PTR ↗ |
| Ro Khanna Politician | May 29, 2024 | WDC | WESTERN DIGITAL CORPORATION CMN scanned | Purchase | $1,001 - $15,000 | Est. $8,000 (midpoint of reported range $1,001–$15,000) | Child | — | Jun 5, 2024 | 7 days | PTR ↗ |