Western Digital
WDC
1,174 hedge funds and large institutions have $58.9B invested in Western Digital in 2025 Q4 according to their latest regulatory filings, with 307 funds opening new positions, 408 increasing their positions, 360 reducing their positions, and 71 closing their positions.
332% more first-time investments, than exits
New positions opened: 307 | Existing positions closed: 71
42% more capital invested
Capital invested by funds: $41.5B → $58.9B (+$17.4B)
22% more funds holding
Funds holding: 961 → 1,174 (+213)
13% more repeat investments, than reductions
Existing positions increased: 408 | Existing positions reduced: 360
0.84% more ownership
Funds ownership: 99.16% → 100% (+0.84%)
7% less funds holding in top 10
Funds holding in top 10: 29 → 27 (-2)
43% less call options, than puts
Call options by funds: $2.92B | Put options by funds: $5.17B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$1.52B |
| 2 |
Invesco
Atlanta,
Georgia
|
+$1.32B |
| 3 |
JP Morgan Chase
New York
|
+$345M |
| 4 |
Goldman Sachs
New York
|
+$311M |
| 5 |
Nuveen
Charlotte,
North Carolina
|
+$305M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Bank of America
Charlotte,
North Carolina
|
-$1.56B |
| 2 |
D.E. Shaw & Co
New York
|
-$595M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$421M |
| 4 |
Citadel Advisors
Miami,
Florida
|
-$365M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
-$295M |
WDC Hedge Fund Activity: Q4 2025 in Review
1,174 of the 8,284 institutional investors tracked by Wall St. Rank reported a position in Western Digital (WDC) for Q4 2025, worth a combined $58.9B — up 42% from $41.5B a quarter earlier.
Buyers outnumbered sellers: 307 funds opened new WDC positions and 71 closed out — a net gain of 236 holders — while 408 added to existing stakes and 360 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $1.52B. The largest seller was Bank of America, cutting an estimated $1.56B.
- 1,174 institutional investors held Western Digital (WDC) as of Q4 2025, up from 961 in Q3 2025.
- Funds reported $58.9B of Western Digital stock for Q4 2025, up 42% quarter-over-quarter.
- 307 funds opened new Western Digital positions in Q4 2025 and 71 closed out, a net change of +236 holders.
- The largest Western Digital buyer in Q4 2025 was Fidelity Investments, an estimated $1.52B added.
- The largest Western Digital seller in Q4 2025 was Bank of America, an estimated $1.56B sold.
Based on aggregated 13F filings for Q4 2025.