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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
RGC
126
Redwood Grove Capital
California
$13.6M
Pictet Asset Management
127
Pictet Asset Management
Switzerland
$13.6M +$78.7K +1,653 +0.8%
SAM
128
Storebrand Asset Management
Norway
$13.5M +$823K +17,294 +9%
Skandinaviska Enskilda Banken (SEB)
129
Skandinaviska Enskilda Banken (SEB)
Sweden
$13.4M +$513K +10,770 +5%
Envestnet Asset Management
130
Envestnet Asset Management
Illinois
$13.4M +$4.38M +91,966 +79%
Renaissance Technologies
131
Renaissance Technologies
New York
$12.9M +$6.28M +131,900 +189%
Manulife (Manufacturers Life Insurance)
132
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$12.8M -$144K -3,027 -1%
Ohio Public Employees Retirement System (OPERS)
133
Ohio Public Employees Retirement System (OPERS)
Ohio
$12.6M +$212K +4,461 +2%
State of Wisconsin Investment Board
134
State of Wisconsin Investment Board
Wisconsin
$12.4M -$4.92M -103,393 -35%
SO
135
STRS Ohio
Ohio
$12.2M +$60.8K +1,277 +0.7%
DIG
136
DeepCurrents Investment Group
New York
$11.9M -$1.35M -28,259 -13%
Chevy Chase Trust
137
Chevy Chase Trust
Maryland
$11.8M +$88.5K +1,858 +1%
RCW
138
Rheos Capital Works
Japan
$11.5M +$8.57M +180,000 New
PCMH
139
Polymer Capital Management (HK)
Hong Kong
$11.3M +$6.11M +128,350 +265%
APG Asset Management
140
APG Asset Management
Netherlands
$11.1M +$318K +6,682 +3%
New York State Common Retirement Fund
141
New York State Common Retirement Fund
New York
$11.1M
MMA
142
Mizuho Markets Americas
New York
$10.6M +$7.88M +165,500 New
Mitsubishi UFJ Trust & Banking
143
Mitsubishi UFJ Trust & Banking
Japan
$10.5M +$758K +15,919 +11%
TA
144
Trivest Advisors
Hong Kong
$10.4M +$7.77M +163,300 New
Treasurer of the State of North Carolina
145
Treasurer of the State of North Carolina
North Carolina
$10.3M +$171K +3,583 +2%
Royal London Asset Management
146
Royal London Asset Management
United Kingdom
$10.3M -$195K -4,104 -2%
CCM
147
Cobalt Capital Management
New Jersey
$10.2M +$7.62M +160,000 New
CSS
148
Cubist Systematic Strategies
Connecticut
$10M +$7.45M +156,557 New
PCM
149
Polymer Capital Management
New York
$9.89M +$1.89M +39,663 +35%
Universal-Beteiligungs- und Servicegesellschaft
150
Universal-Beteiligungs- und Servicegesellschaft
Germany
$9.89M -$1.79M -37,637 -20%

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.