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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
AV
326
ASR Vermogensbeheer
Netherlands
$10.5M +$176K +675 +2%
OPERF
327
Oregon Public Employees Retirement Fund
Oregon
$10.5M -$90.6K -347 -0.9%
PAS
328
Park Avenue Securities
New York
$10.4M +$10M +38,377 New
PP
329
Prudential plc
United Kingdom
$10.2M +$8.06M +30,860 +447%
ACM
330
Atika Capital Management
New York
$10.2M +$9.85M +37,717 New
Baird Financial Group
331
Baird Financial Group
Wisconsin
$9.99M +$7.8M +29,873 +423%
AC
332
Allstate Corporation
Illinois
$9.84M +$2.59M +9,932 +38%
Verition Fund Management
333
Verition Fund Management
Connecticut
$9.81M -$45.8M -175,636 -83%
EMPI
334
Elo Mutual Pension Insurance
Finland
$9.78M -$1.5M -5,736 -14%
LOAMS
335
Lombard Odier Asset Management (Switzerland)
Switzerland
$9.77M +$519K +1,989 +6%
JF
336
Jump Financial
Illinois
$9.77M -$1.49M -5,694 -14%
MOACM
337
Mutual of America Capital Management
New York
$9.75M -$170K -652 -2%
GAAM
338
Grand Alliance Asset Management
Hong Kong
$9.74M -$3.92M -15,000 -29%
Nomura Holdings
339
Nomura Holdings
Japan
$9.73M -$72.6M -278,032 -89%
N
340
Natixis
France
$9.57M -$47.6M -182,478 -84%
OAM
341
OP Asset Management
$9.51M -$672K -2,574 -7%
YCM
342
Yousif Capital Management
Michigan
$9.49M -$584K -2,236 -6%
MMA
343
Miracle Mile Advisors
California
$9.39M +$79.9K +306 +0.9%
ASN
344
Advisory Services Network
Georgia
$9.35M +$1.83M +7,020 +25%
Jane Street
345
Jane Street
New York
$9.33M -$757K -2,901 -8%
FC
346
FORA Capital
Florida
$9.03M -$7.31M -28,011 -46%
MR
347
Munich Reinsurance
$8.97M -$3.85M -14,761 -31%
Wellington Management Group
348
Wellington Management Group
Massachusetts
$8.94M +$485K +1,856 +6%
JGUA
349
John G. Ullman & Associates
New York
$8.91M -$8.18M -31,350 -49%
OCA
350
OpenArc Corporate Advisory
Georgia
$8.87M -$884K -3,385 -9%