Ticker · CUSIP 958102105
Holders (tracked)
25
Combined shares
31,016,943
Combined value
$4.89B
Last close
$361.69
Quarter
2025Q4
Tracked holders · last 8 quarters
+7 vs previous quarter over the last 8.
Price is +129.2% vs the avg quarter-end implied price across tracked holders.
SEC event timeline
27 events
- Ken Griffin (Citadel Advisors) trimmed2026-02-17−2,407,840 shares · 2025Q413F
- D.E. Shaw & Co. trimmed2026-02-17−3,923,998 shares · 2025Q413F
- T. Rowe Price added2026-02-17+44,090 shares · 2025Q413F
- Wellington Management added2026-02-17+1,404 shares · 2025Q413F
- +1,951 shares · 2025Q413F
- AQR Capital Management added2026-02-17+1,228,661 shares · 2025Q413F
- Two Sigma Investments trimmed2026-02-17−971,646 shares · 2025Q413F
- Izzy Englander (Millennium Mgmt) trimmed2026-02-17−914,620 shares · 2025Q413F
- Steve Cohen (Point72) trimmed2026-02-17−750,790 shares · 2025Q413F
- Ray Dalio (Bridgewater Associates) added2026-02-13+20,376 shares · 2025Q413F
- Renaissance Technologies trimmed2026-02-12−156,229 shares · 2025Q413F
- Norges Bank (Norway SWF) opened position2026-02-10+4,578,446 shares · 2025Q413F
- +11,991 shares · 2025Q413F
- AQR Capital Management added2025-11-14+511,971 shares · 2025Q313F
- Izzy Englander (Millennium Mgmt) added2025-11-14+857,489 shares · 2025Q313F
- Steve Cohen (Point72) added2025-11-14+93,606 shares · 2025Q313F
- Two Sigma Investments added2025-11-14+795,387 shares · 2025Q313F
- D.E. Shaw & Co. added2025-11-14+6,718,155 shares · 2025Q313F
- Wellington Management trimmed2025-11-14−1,139 shares · 2025Q313F
- George Soros (Soros Fund Mgmt) exited2025-11-14−134,323 shares · 2025Q313F
- Larry Robbins (Glenview Capital) exited2025-11-14−600,570 shares · 2025Q313F
- Paul Singer (Elliott Mgmt) exited2025-11-14−2,250,000 shares · 2025Q213F
- T. Rowe Price trimmed2025-11-14−961,765 shares · 2025Q313F
- Norges Bank (Norway SWF) exited2025-11-13−3,448,666 shares · 2025Q313F
- +51,963 shares · 2025Q313F
- Renaissance Technologies added2025-11-13+946,929 shares · 2025Q313F
- Norges Bank (Norway SWF) trimmed2025-11-12−63,611 shares · 2024Q313F
Insider activity
No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of WDC…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
| Investor | First in | Cost basis | Return | Position value today |
|---|---|---|---|---|
| T. Rowe Price | 2016Q1 | $7.54 | +4698.3% | $944.7M |
| Wellington Management | 2016Q1 | $62.60 | +477.7% | $11.3M |
| Ray Dalio (Bridgewater Associates) | 2021Q1 | $82.89 | +336.3% | $26.2M |
| Norges Bank (Norway SWF) | 2016Q1 | $89.16 | +305.7% | $1.66B |
| Renaissance Technologies | 2016Q2 | $109.49 | +230.3% | $359.0M |
| AQR Capital Management | 2016Q1 | $117.11 | +208.8% | $1.08B |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $123.08 | +193.9% | $477.3M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $123.08 | +193.9% | $477.3M |
| Ken Griffin (Citadel Advisors) | 2016Q1 | $123.08 | +193.9% | $477.3M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $144.92 | +149.6% | $107.5M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $144.92 | +149.6% | $107.5M |
| Izzy Englander (Millennium Mgmt) | 2016Q1 | $144.92 | +149.6% | $107.5M |
| Two Sigma Investments | 2016Q1 | $166.16 | +117.7% | $112.2M |
| Two Sigma Investments | 2016Q1 | $166.16 | +117.7% | $112.2M |
| Two Sigma Investments | 2016Q1 | $166.16 | +117.7% | $112.2M |
| D.E. Shaw & Co. | 2016Q1 | $168.90 | +114.2% | $2.06B |
| D.E. Shaw & Co. | 2016Q1 | $168.90 | +114.2% | $2.06B |
| D.E. Shaw & Co. | 2016Q1 | $168.90 | +114.2% | $2.06B |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $171.68 | +110.7% | $145.6M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $171.68 | +110.7% | $145.6M |
| Paul Tudor Jones (Tudor Investment) | 2016Q1 | $171.68 | +110.7% | $145.6M |
| Steve Cohen (Point72) | 2016Q4 | $171.73 | +110.6% | $168.2M |
| Steve Cohen (Point72) | 2016Q4 | $171.73 | +110.6% | $168.2M |
| Steve Cohen (Point72) | 2016Q4 | $171.73 | +110.6% | $168.2M |
| Ken Fisher (Fisher Asset Mgmt) | 2025Q4 | $172.27 | +110.0% | $4.3M |
Who moved on this name in 2025Q4
13F transactions reported for the latest quarter, grouped by direction.
New positions3
- Norges Bank (Norway SWF)+4,578,446$788.7M
- Ken Fisher (Fisher Asset Mgmt)+11,991$2.1M
- Paul Tudor Jones (Tudor Investment)+1,951$336K
Added to4
- AQR Capital Management+1,228,661$211.7M
- Ray Dalio (Bridgewater Associates)+20,376$3.5M
- Wellington Management+1,404$242K
- T. Rowe Price+44,090$8K
Trimmed6
- D.E. Shaw & Co.−3,923,998$676.0M
- Ken Griffin (Citadel Advisors)−2,407,840$414.8M
- Two Sigma Investments−971,646$167.4M
- Izzy Englander (Millennium Mgmt)−914,620$157.6M
- Steve Cohen (Point72)−750,790$129.3M
- Renaissance Technologies−156,229$26.9M
Exited0
—
Institutional ownership over time
Distinct super-investors holding this ticker · combined dollar value, by quarter.
| Quarter | Holders | Combined value |
|---|---|---|
| 2022Q1 | 22 | $155.02B |
| 2022Q2 | 22 | $127.88B |
| 2022Q3 | 22 | $94.3M |
| 2022Q4 | 21 | $1.15B |
| 2023Q1 | 20 | $1.27B |
| 2023Q2 | 17 | $1.65B |
| 2023Q3 | 21 | $2.25B |
| 2023Q4 | 17 | $3.16B |
| 2024Q1 | 20 | $3.82B |
| 2024Q2 | 21 | $4.57B |
| 2024Q3 | 22 | $1.61B |
| 2024Q4 | 21 | $1.43B |
| 2025Q1 | 22 | $705.8M |
| 2025Q2 | 21 | $1.32B |
| 2025Q3 | 18 | $3.65B |
| 2025Q4 | 25 | $4.89B |
Congress members trading this stock
| Date | Member | Type | Amount range | Filing |
|---|---|---|---|---|
| 2025-04-11 | Rob Bresnahan | Sell | $1K – $15K | PDF ↗ |
| 2025-04-10 | Rob Bresnahan | Sell (P) | $1K – $15K | PDF ↗ |
Who owns WDC
25 super-investors · 2025Q4
Tracked stake
31.02M
shares
Combined value
$4.89B
% of shares outstanding
—
shares-out unknown
Quarter action mix
New5Added4Trim16
| # | Manager | Shares | Value |
|---|---|---|---|
| 1 | D.E. Shaw & Co. | 5.70M | $982M |
| 2 | Ken Griffin Citadel Advisors | 5.28M | $909M |
| 3 | Norges Bank Norway SWF | 4.58M | $789M |
| 4 | Ken Griffin Citadel Advisors | 3.56M | $613M |
| 5 | AQR Capital Management | 2.97M | $512M |
| 6 | Ken Griffin Citadel Advisors | 1.32M | $227M |
| 7 | Renaissance Technologies | 992.5K | $171M |
| 8 | D.E. Shaw & Co. | 832.0K | $143M |
| 9 | Steve Cohen Point72 | 465.0K | $80M |
| 10 | Paul Tudor Jones Tudor Investment | 402.6K | $69M |
| 11 | D.E. Shaw & Co. | 361.3K | $62M |
| 12 | Izzy Englander Millennium Mgmt | 317.2K | $55M |
| 13 | Two Sigma Investments | 310.3K | $53M |
| 14 | Steve Cohen Point72 | 300.2K | $52M |
| 15 | Izzy Englander Millennium Mgmt | 297.2K | $51M |
| 16 | Paul Tudor Jones Tudor Investment | 211.4K | $36M |
| 17 | Steve Cohen Point72 | 178.8K | $31M |
| 18 | Izzy Englander Millennium Mgmt | 160.3K | $28M |
| 19 | Ray Dalio Bridgewater Associates | 72.3K | $12M |
| 20 | Wellington Management | 31.2K | $5M |
| 21 | Two Sigma Investments | 26.2K | $5M |
| 22 | Two Sigma Investments | 24.3K | $4M |
| 23 | Ken Fisher Fisher Asset Mgmt | 12.0K | $2M |
| 24 | T. Rowe Price | 2.61M | $450K |
| 25 | Paul Tudor Jones Tudor Investment | 2.0K | $336K |
Recent moves
20 transactions
- −971,646 · 2025Q4
- −750,790 · 2025Q4
- +1,951 · 2025Q4
- +1,228,661 · 2025Q4
- −914,620 · 2025Q4
- TRIMD.E. Shaw & Co.−3,923,998 · 2025Q4
- −2,407,840 · 2025Q4
- +1,404 · 2025Q4
- +44,090 · 2025Q4
- +20,376 · 2025Q4
- −156,229 · 2025Q4
- +4,578,446 · 2025Q4
- +11,991 · 2025Q4
- +93,606 · 2025Q3
- +857,489 · 2025Q3
- +795,387 · 2025Q3
- +6,718,155 · 2025Q3
- TRIMT. Rowe Price−961,765 · 2025Q3
- −1,139 · 2025Q3
- −134,323 · 2025Q3
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