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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
RAM
201
Resona Asset Management
Japan
$65.8M -$2.55M -5,253 -5%
NAM
202
Nissay Asset Management
Japan
$65.8M +$2.86M +5,875 +6%
US
203
UNICOM Systems
Nevada
$64.9M +$5.4M +11,100 +12%
DekaBank Deutsche Girozentrale
204
DekaBank Deutsche Girozentrale
Germany
$64.7M
MSV
205
MN Services Vermogensbeheer
Netherlands
$64.4M -$15.6M -32,000 -24%
SAM
206
SEB Asset Management
$64.3M +$2.5M +5,138 +5%
X
207
Xponance
Pennsylvania
$63.5M +$17.2M +35,464 +56%
JF
208
Jump Financial
Illinois
$63M +$30.4M +62,464 +173%
Daiwa Securities Group
209
Daiwa Securities Group
Japan
$62.8M +$3.76M +7,732 +9%
CNB
210
Czech National Bank
Czech Republic
$62.7M +$2.81M +5,774 +6%
ASRS
211
Arizona State Retirement System
Arizona
$61.3M +$1.14M +2,344 +3%
GC
212
Guggenheim Capital
Illinois
$60.7M +$2.72M +5,587 +6%
CAIMH
213
Central Asset Investments & Management Holdings
Hong Kong
$60.3M +$10.1M +20,825 +28%
Skandinaviska Enskilda Banken (SEB)
214
Skandinaviska Enskilda Banken (SEB)
Sweden
$60.2M +$45.8M +94,217 New
Nisa Investment Advisors
215
Nisa Investment Advisors
Missouri
$59.9M -$3.72M -7,659 -8%
IMC Chicago
216
IMC Chicago
Illinois
$59.9M +$8.86M +18,222 +24%
BBVA
217
Banco Bilbao Vizcaya Argentaria
Spain
$59.8M +$2.46M +5,062 +6%
Verition Fund Management
218
Verition Fund Management
Connecticut
$59.5M +$27.7M +56,942 +157%
MIM
219
MetLife Investment Management
New Jersey
$58.8M +$6.22M +12,785 +16%
LGF
220
LGT Group Foundation
Liechtenstein
$58M -$31M -63,666 -41%
CI Investments Inc
221
CI Investments Inc
Ontario, Canada
$56.5M +$29M +59,595 +206%
SOMRS
222
State of Michigan Retirement System
Michigan
$56.4M -$7M -14,400 -14%
SC
223
Samlyn Capital
New York
$55.9M -$49.5M -101,710 -54%
QCM
224
QRG Capital Management
Illinois
$55.6M +$10.4M +21,337 +32%
SO
225
STRS Ohio
Ohio
$55.4M -$15.9M -32,679 -27%

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.