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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
Dimensional Fund Advisors
26
Dimensional Fund Advisors
Texas
$677M -$277M -1,062,021 -30%
Charles Schwab
27
Charles Schwab
California
$597M -$15.6M -59,768 -3%
Legal & General Group
28
Legal & General Group
United Kingdom
$576M +$25M +95,615 +5%
VFT
29
Vanguard Fiduciary Trust
Pennsylvania
$516M +$498M +1,908,325 New
Deutsche Bank
30
Deutsche Bank
Germany
$507M -$93.7M -358,813 -16%
HSBC Holdings
31
HSBC Holdings
United Kingdom
$417M +$72.4M +277,382 +22%
National Pension Service
32
National Pension Service
South Korea
$389M -$66.2M -253,697 -15%
Bank of Montreal
33
Bank of Montreal
Ontario, Canada
$380M +$97.6M +373,990 +36%
MRCP
34
Maple Rock Capital Partners
Ontario, Canada
$379M -$256M -981,091 -41%
AT
35
AMF Tjänstepension
Sweden
$372M -$103M -394,049 -22%
VARA
36
Value Aligned Research Advisors
New Jersey
$350M +$338M +1,295,439 New
Royal Bank of Canada
37
Royal Bank of Canada
Ontario, Canada
$344M -$186M -711,979 -36%
BNP Paribas Financial Markets
38
BNP Paribas Financial Markets
France
$322M -$54.6M -209,124 -15%
SCP
39
Soroban Capital Partners
New York
$310M
Renaissance Technologies
40
Renaissance Technologies
New York
$310M +$40.1M +153,600 +15%
Barclays
41
Barclays
United Kingdom
$284M -$124M -476,351 -31%
Wells Fargo
42
Wells Fargo
California
$277M +$41.4M +158,749 +18%
Swiss National Bank
43
Swiss National Bank
Switzerland
$271M +$13.7M +52,500 +6%
Robeco Institutional Asset Management
44
Robeco Institutional Asset Management
Netherlands
$266M -$102M -392,066 -28%
PCH
45
Polar Capital Holdings
United Kingdom
$263M +$15.5M +59,240 +6%
Marshall Wace
46
Marshall Wace
United Kingdom
$252M +$201M +769,455 +475%
NAMI
47
Nomura Asset Management International
Pennsylvania
$241M -$34.9M -133,785 -13%
CHP
48
Castle Hook Partners
New York
$238M -$117M -446,731 -34%
Sumitomo Mitsui Trust Group
49
Sumitomo Mitsui Trust Group
Japan
$226M -$13.2M -50,393 -6%
DZ Bank
50
DZ Bank
Germany
$224M +$108M +412,055 +99%