Western Digital
WDC
663 hedge funds and large institutions have $14.4B invested in Western Digital in 2025 Q1 according to their latest regulatory filings, with 98 funds opening new positions, 109 increasing their positions, 456 reducing their positions, and 141 closing their positions.
119% more call options, than puts
Call options by funds: $954M | Put options by funds: $437M
5.38% more ownership
Funds ownership: 97.32% → 102.69% (+5.4%)
7% less funds holding
Funds holding: 712 → 663 (-49)
10% less funds holding in top 10
Funds holding in top 10: 20 → 18 (-2)
28% less capital invested
Capital invested by funds: $20.1B → $14.4B (-$5.65B)
30% less first-time investments, than exits
New positions opened: 98 | Existing positions closed: 141
76% less repeat investments, than reductions
Existing positions increased: 109 | Existing positions reduced: 456
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$303M |
| 2 |
Fidelity International
Hamilton,
Bermuda
|
+$221M |
| 3 |
Balyasny Asset Management
Chicago,
Illinois
|
+$106M |
| 4 |
Alyeska Investment Group
Chicago,
Illinois
|
+$101M |
| 5 |
Canada Pension Plan Investment Board
Toronto Ontario,
Ontario, Canada
|
+$59.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
-$628M |
| 2 |
JP Morgan Chase
New York
|
-$524M |
| 3 |
BlackRock
New York
|
-$351M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$306M |
| 5 |
State Street
Boston,
Massachusetts
|
-$221M |
WDC Hedge Fund Activity: Q1 2025 in Review
663 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in Western Digital (WDC) for Q1 2025, worth a combined $14.4B — down 28% from $20.1B a quarter earlier.
Sellers outnumbered buyers: 141 funds closed out of WDC and 98 opened new positions — a net loss of 43 holders — while 456 trimmed existing stakes and 109 added.
The largest buyer was UBS Group, adding an estimated $303M. The largest seller was Vanguard Group, cutting an estimated $628M.
- 663 institutional investors held Western Digital (WDC) as of Q1 2025, down from 712 in Q4 2024.
- Funds reported $14.4B of Western Digital stock for Q1 2025, down 28% quarter-over-quarter.
- 98 funds opened new Western Digital positions in Q1 2025 and 141 closed out, a net change of -43 holders.
- The largest Western Digital buyer in Q1 2025 was UBS Group, an estimated $303M added.
- The largest Western Digital seller in Q1 2025 was Vanguard Group, an estimated $628M sold.
Based on aggregated 13F filings for Q1 2025.