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Western Digital

748 hedge funds and large institutions have $23.4B invested in Western Digital in 2025 Q2 according to their latest regulatory filings, with 178 funds opening new positions, 285 increasing their positions, 210 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

112% more first-time investments, than exits

New positions opened: 178 | Existing positions closed: 84

62% more capital invested

Capital invested by funds: $14.4B → $23.4B (+$8.94B)

36% more repeat investments, than reductions

Existing positions increased: 285 | Existing positions reduced: 210

17% more funds holding in top 10

Funds holding in top 10: 1821 (+3)

13% more funds holding

Funds holding: 662748 (+86)

1.97% more ownership

Funds ownership: 102.7%104.67% (+2%)

4% more call options, than puts

Call options by funds: $945M | Put options by funds: $906M

Holders
748
Holders Change
+86
Holders Change %
+12.99%
% of All Funds
9.85%
Holding in Top 10
21
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+16.67%
% of All Funds
0.28%
New
178
Increased
285
Reduced
210
Closed
84
Calls
$945M
Puts
$906M
Net Calls
+$38.7M
Net Calls Change
-$479M
Name Holding Trade Value Shares
Change
Change in
Stake
FGP
751
Freestone Grove Partners
California
-$40.8M -1,009,697 Closed
PCM
752
Parsifal Capital Management
Connecticut
-$36.3M -897,574 Closed
BBCM
753
Broad Bay Capital Management
New York
-$33.1M -819,511 Closed
NCL
754
Nishkama Capital LLC
Puerto Rico
-$23.7M -586,129 Closed
Caisse de Depot et Placement du Quebec (CDPQ)
755
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
-$22.8M -565,161 Closed
SI
756
Sora Investors
Pennsylvania
-$20.6M -509,650 Closed
TC
757
Tairen Capital
Hong Kong
-$19.8M -490,462 Closed
ARAM
758
Ardmore Road Asset Management
New York
-$16.2M -400,000 Closed
TP
759
Thunderbird Partners
United Kingdom
-$11.3M -280,201 Closed
Two Sigma Advisers
760
Two Sigma Advisers
New York
-$9.8M -242,500 Closed
KC
761
Kadensa Capital
Hong Kong
-$9.23M -228,296 Closed
RCM
762
Rivermont Capital Management
New York
-$8.36M -206,665 Closed
ASM
763
AI-Squared Management
Hong Kong
-$6.7M -165,653 Closed
Nomura Holdings
764
Nomura Holdings
Japan
-$7.37M -154,907 Closed
Verition Fund Management
765
Verition Fund Management
Connecticut
-$7.16M -150,484 Closed
CF
766
Corebridge Financial
Texas
-$6.02M -149,009 Closed
Simplex Trading
767
Simplex Trading
Illinois
-$6.92M -145,433 Closed
JGC
768
J. Goldman & Co
New York
-$4.98M -123,275 Closed
Man Group
769
Man Group
United Kingdom
-$4.82M -119,154 Closed
PSC
770
Portman Square Capital
United Kingdom
-$5.06M -106,328 Closed
IMC Chicago
771
IMC Chicago
Illinois
-$3.94M -82,850 Closed
JF
772
Jump Financial
Illinois
-$3.23M -80,000 Closed
Capital Fund Management (CFM)
773
Capital Fund Management (CFM)
France
-$3.36M -70,525 Closed
WAM
774
Weiss Asset Management
Massachusetts
-$2.63M -64,983 Closed
QT
775
Quantbot Technologies
New York
-$2.43M -60,116 Closed

WDC Hedge Fund Activity: Q2 2025 in Review

748 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Western Digital (WDC) for Q2 2025, worth a combined $23.4B — up 62% from $14.4B a quarter earlier.

Buyers outnumbered sellers: 178 funds opened new WDC positions and 84 closed out — a net gain of 94 holders — while 285 added to existing stakes and 210 trimmed.

The largest buyer was Bank of America, adding an estimated $364M. The largest seller was JP Morgan Chase, cutting an estimated $409M.

  • 748 institutional investors held Western Digital (WDC) as of Q2 2025, up from 662 in Q1 2025.
  • Funds reported $23.4B of Western Digital stock for Q2 2025, up 62% quarter-over-quarter.
  • 178 funds opened new Western Digital positions in Q2 2025 and 84 closed out, a net change of +94 holders.
  • The largest Western Digital buyer in Q2 2025 was Bank of America, an estimated $364M added.
  • The largest Western Digital seller in Q2 2025 was JP Morgan Chase, an estimated $409M sold.

Based on aggregated 13F filings for Q2 2025.