Western Digital
WDC
967 hedge funds and large institutions have $41.5B invested in Western Digital in 2025 Q3 according to their latest regulatory filings, with 291 funds opening new positions, 355 increasing their positions, 236 reducing their positions, and 67 closing their positions.
334% more first-time investments, than exits
New positions opened: 291 | Existing positions closed: 67
50% more repeat investments, than reductions
Existing positions increased: 355 | Existing positions reduced: 236
38% more funds holding in top 10
Funds holding in top 10: 21 → 29 (+8)
29% more funds holding
Funds holding: 752 → 967 (+215)
5.51% less ownership
Funds ownership: 104.67% → 99.16% (-5.5%)
22% less capital inflows, than outflows
Capital inflows: $4.48B | Capital outflows: $5.78B
25% less call options, than puts
Call options by funds: $2.27B | Put options by funds: $3.02B
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WCM Investment Management
Laguna Beach,
California
|
+$554M |
| 2 |
D.E. Shaw & Co
New York
|
+$549M |
| 3 |
Fred Alger Management
New York
|
+$273M |
| 4 |
Polar Capital Holdings
London,
United Kingdom
|
+$151M |
| 5 |
Nuveen
Charlotte,
North Carolina
|
+$96.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity International
Hamilton,
Bermuda
|
-$782M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
-$695M |
| 3 |
Slate Path Capital
New York
|
-$378M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$335M |
| 5 |
DnB Asset Management
Oslo,
Norway
|
-$321M |
WDC Hedge Fund Activity: Q3 2025 in Review
967 of the 7,657 institutional investors tracked by Wall St. Rank reported a position in Western Digital (WDC) for Q3 2025, worth a combined $41.5B — up 78% from $23.4B a quarter earlier.
Buyers outnumbered sellers: 291 funds opened new WDC positions and 67 closed out — a net gain of 224 holders — while 355 added to existing stakes and 236 trimmed.
The largest buyer was WCM Investment Management, opening a new position worth an estimated $554M. The largest seller was Fidelity International, cutting an estimated $782M.
- 967 institutional investors held Western Digital (WDC) as of Q3 2025, up from 752 in Q2 2025.
- Funds reported $41.5B of Western Digital stock for Q3 2025, up 78% quarter-over-quarter.
- 291 funds opened new Western Digital positions in Q3 2025 and 67 closed out, a net change of +224 holders.
- The largest Western Digital buyer in Q3 2025 was WCM Investment Management, an estimated $554M added.
- The largest Western Digital seller in Q3 2025 was Fidelity International, an estimated $782M sold.
Based on aggregated 13F filings for Q3 2025.