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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
HPC
76
Highland Peak Capital
Connecticut
$33.5M -$8.9M -186,992 -26%
MCP
77
Meridiem Capital Partners
Texas
$33.3M +$3.37M +70,796 +16%
AIP
78
ARS Investment Partners
New York
$32.3M +$24.1M +505,283 New
GAM
79
Gotham Asset Management
New York
$32.3M +$6.58M +138,302 +38%
NCM
80
Nearwater Capital Markets
Ireland
$32.3M +$24M +504,000 New
BG
81
Bahl & Gaynor
Ohio
$31.4M +$23.4M +491,131 New
California State Teachers Retirement System (CalSTRS)
82
California State Teachers Retirement System (CalSTRS)
California
$31.3M -$310K -6,520 -1%
Two Sigma Investments
83
Two Sigma Investments
New York
$31.1M -$5.02M -105,402 -18%
CVA
84
Ceredex Value Advisors
Florida
$30M +$22.3M +468,100 New
TAM
85
Talos Asset Management
New York
$28.9M +$21.5M +451,000 New
Mackenzie Financial
86
Mackenzie Financial
Ontario, Canada
$28.3M -$632K -13,278 -3%
Russell Investments Group
87
Russell Investments Group
United Kingdom
$25.1M -$1.32M -27,665 -7%
Loomis, Sayles & Company
88
Loomis, Sayles & Company
Massachusetts
$24.4M +$618K +12,973 +4%
WHCM
89
Wolf Hill Capital Management
Connecticut
$24M +$17.9M +375,000 New
Millennium Management
90
Millennium Management
New York
$24M +$13.7M +288,786 +338%
Nomura Asset Management
91
Nomura Asset Management
Japan
$23.7M +$12.4M +260,426 +238%
Squarepoint
92
Squarepoint
New York
$23.6M -$62.7M -1,316,933 -78%
Robeco Institutional Asset Management
93
Robeco Institutional Asset Management
Netherlands
$23.1M +$11.2M +235,738 +187%
Bank of Nova Scotia
94
Bank of Nova Scotia
Ontario, Canada
$23M +$16.7M +349,832 +3,783%
National Pension Service
95
National Pension Service
South Korea
$22.7M
Axa
96
Axa
France
$22.1M +$6.82M +143,216 +71%
6CM
97
683 Capital Management
New York
$21.7M -$7.67M -161,000 -32%
WorldQuant Millennium Advisors
98
WorldQuant Millennium Advisors
New York
$21.5M +$16M +336,640 New
KI
99
Keystone Investors
Singapore
$21.3M +$15.8M +332,576 New
State Board of Administration of Florida Retirement System
100
State Board of Administration of Florida Retirement System
Florida
$20.8M +$198K +4,150 +1%

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.