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Western Digital

1,835 hedge funds and large institutions have $206B invested in Western Digital in 2026 Q2 according to their latest regulatory filings, with 531 funds opening new positions, 587 increasing their positions, 602 reducing their positions, and 87 closing their positions.

New
Increased
Maintained
Reduced
Closed

510% more first-time investments, than exits

New positions opened: 531 | Existing positions closed: 87

129% more capital invested

Capital invested by funds: $90B → $206B (+$116B)

72% more funds holding in top 10

Funds holding in top 10: 3662 (+26)

30% more funds holding

Funds holding: 1,4151,835 (+420)

2% less repeat investments, than reductions

Existing positions increased: 587 | Existing positions reduced: 602

5.16% less ownership

Funds ownership: 98.74%93.58% (-5.2%)

62% less call options, than puts

Call options by funds: $8.87B | Put options by funds: $23.5B

Holders
1,835
Holders Change
+420
Holders Change %
+29.68%
% of All Funds
22.16%
Holding in Top 10
62
Holding in Top 10 Change
+26
Holding in Top 10 Change %
+72.22%
% of All Funds
0.75%
New
531
Increased
587
Reduced
602
Closed
87
Calls
$8.87B
Puts
$23.5B
Net Calls
-$14.7B
Net Calls Change
-$10.9B
Name Holding Trade Value Shares
Change
Change in
Stake
Aviva
101
Aviva
United Kingdom
$197M +$256K +527 +0.2%
Adage Capital Partners
102
Adage Capital Partners
Massachusetts
$196M +$6.66M +13,700 +5%
Bank Julius Baer & Co
103
Bank Julius Baer & Co
Switzerland
$192M +$145M +298,301 +22,096%
SAM
104
Storebrand Asset Management
Norway
$191M -$28.5M -58,585 -16%
State Board of Administration of Florida Retirement System
105
State Board of Administration of Florida Retirement System
Florida
$189M -$2.59M -5,329 -2%
KI
106
Keystone Investors
Singapore
$188M +$143M +294,247 New
Schroder Investment Management Group
107
Schroder Investment Management Group
United Kingdom
$187M +$13.7M +28,145 +11%
Pacer Advisors
108
Pacer Advisors
Pennsylvania
$182M +$99M +203,685 +252%
DB
109
Danske Bank
Denmark
$180M -$20.2M -41,603 -13%
American Century Companies
110
American Century Companies
Missouri
$180M +$40.8M +83,821 +42%
WorldQuant Millennium Advisors
111
WorldQuant Millennium Advisors
New York
$179M +$46.7M +95,945 +52%
CM
112
Capula Management
Cayman Islands
$179M +$136M +280,315 New
QCM
113
Quantinno Capital Management
New York
$179M -$28.4M -58,357 -17%
Mirae Asset Global Investments
114
Mirae Asset Global Investments
South Korea
$178M +$24.5M +50,448 +22%
Mackenzie Financial
115
Mackenzie Financial
Ontario, Canada
$177M -$41.8M -85,907 -24%
SG Americas Securities
116
SG Americas Securities
New York
$176M +$47.7M +98,003 +55%
New York State Teachers Retirement System (NYSTRS)
117
New York State Teachers Retirement System (NYSTRS)
New York
$173M -$7.36M -15,137 -5%
Korea Investment Corp
118
Korea Investment Corp
South Korea
$172M -$46.4M -95,500 -26%
Connor, Clark & Lunn Investment Management (CC&L)
119
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$172M -$2.92M -6,007 -2%
Raymond James Financial
120
Raymond James Financial
Florida
$172M -$20.1M -41,352 -13%
Caisse de Depot et Placement du Quebec (CDPQ)
121
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$170M -$44.5M -91,595 -26%
PPF
122
PFA Pension Forsikringsaktieselskab
$169M -$26.5M -54,580 -17%
ERSOT
123
Employees Retirement System of Texas
Texas
$167M +$51.6M +106,141 +68%
HF
124
HRT Financial
New York
$164M +$22.3M +45,780 +22%
NIM
125
NEOS Investment Management
Connecticut
$164M +$11.3M +23,171 +10%

WDC Hedge Fund Activity: Q2 2026 in Review

1,835 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Western Digital (WDC) for Q2 2026, worth a combined $206B — up 129% from $90B a quarter earlier.

Buyers outnumbered sellers: 531 funds opened new WDC positions and 87 closed out — a net gain of 444 holders — while 587 added to existing stakes and 602 trimmed.

The largest buyer was Capital World Investors, adding an estimated $2.29B. The largest seller was Fidelity Investments, cutting an estimated $2.74B.

  • 1,835 institutional investors held Western Digital (WDC) as of Q2 2026, up from 1,415 in Q1 2026.
  • Funds reported $206B of Western Digital stock for Q2 2026, up 129% quarter-over-quarter.
  • 531 funds opened new Western Digital positions in Q2 2026 and 87 closed out, a net change of +444 holders.
  • The largest Western Digital buyer in Q2 2026 was Capital World Investors, an estimated $2.29B added.
  • The largest Western Digital seller in Q2 2026 was Fidelity Investments, an estimated $2.74B sold.

Based on aggregated 13F filings for Q2 2026.