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Western Digital

1,406 hedge funds and large institutions have $88B invested in Western Digital in 2026 Q1 according to their latest regulatory filings, with 358 funds opening new positions, 446 increasing their positions, 485 reducing their positions, and 103 closing their positions.

New
Increased
Maintained
Reduced
Closed

248% more first-time investments, than exits

New positions opened: 358 | Existing positions closed: 103

53% more capital invested

Capital invested by funds: $57.5B → $88B (+$30.5B)

33% more funds holding in top 10

Funds holding in top 10: 2736 (+9)

20% more funds holding

Funds holding: 1,1701,406 (+236)

8% less repeat investments, than reductions

Existing positions increased: 446 | Existing positions reduced: 485

1.15% less ownership

Funds ownership: 97.78%96.63% (-1.2%)

53% less call options, than puts

Call options by funds: $3.31B | Put options by funds: $7.05B

Holders
1,406
Holders Change
+236
Holders Change %
+20.17%
% of All Funds
17.32%
Holding in Top 10
36
Holding in Top 10 Change
+9
Holding in Top 10 Change %
+33.33%
% of All Funds
0.44%
New
358
Increased
446
Reduced
485
Closed
103
Calls
$3.31B
Puts
$7.05B
Net Calls
-$3.74B
Net Calls Change
-$1.49B
Name Holding Trade Value Shares
Change
Change in
Stake
BMSSC
251
B. Metzler seel. Sohn & Co
Germany
$19M +$9.72M +37,239 +113%
GFM
252
GF Fund Management
China
$19M +$2.65M +10,146 +17%
AB
253
Amalgamated Bank
New York
$18.7M +$446K +1,708 +3%
PNC Financial Services Group
254
PNC Financial Services Group
Pennsylvania
$18.7M +$2.18M +8,342 +14%
LFM
255
LGT Fund Management
Liechtenstein
$18.6M +$13.7M +52,670 +325%
Osaic Holdings
256
Osaic Holdings
Arizona
$18.5M -$4.71M -18,056 -21%
Parallax Volatility Advisers
257
Parallax Volatility Advisers
California
$18.5M -$7.51M -28,755 -30%
EGM
258
Engineers Gate Manager
New York
$18.4M -$6.34M -24,275 -26%
IMPI
259
Ilmarinen Mutual Pension Insurance
Finland
$18.1M +$17.4M +66,775 New
OIAM
260
OFI Invest Asset Management
France
$17.8M -$16.2M -62,177 -45%
QCM
261
QRG Capital Management
Illinois
$17.8M +$1.21M +4,647 +8%
HFM
262
Harvest Fund Management
China
$17.7M -$5.4M -20,678 -24%
RIM
263
Rakuten Investment Management
Japan
$17.7M +$1.79M +6,845 +11%
SOADOR
264
State of Alaska Department of Revenue
Alaska
$17.6M +$5.6M +21,460 +49%
MAM
265
Melqart Asset Management
United Kingdom
$17.4M -$9.19M -35,215 -35%
Corient Private Wealth
266
Corient Private Wealth
Florida
$17.3M -$45.8M -175,373 -73%
X
267
Xponance
Pennsylvania
$17.3M +$1.92M +7,366 +13%
VPIM
268
Vanguard Personalized Indexing Management
California
$17.1M +$574K +2,197 +4%
SG
269
Sienna Gestion
France
$17.1M -$4.89M -18,727 -22%
VA
270
Vident Advisory
Georgia
$16.6M +$13.1M +50,015 +439%
CD
271
Chapin Davis
Maryland
$16.5M -$4.53M -17,348 -22%
AAIM
272
American Assets Investment Management
California
$16.2M
TCM
273
Tyro Capital Management
Florida
$16.1M +$15.5M +59,548 New
UM
274
UniSuper Management
Australia
$16M -$1.96M -7,526 -11%
IMCOOI
275
Investment Management Corp of Ontario (IMCO)
Canada
$16M +$7.81M +29,933 +102%