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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
BlackRock
1
BlackRock
New York
$9.68B +$67.8M +259,704 +0.7%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$8.55B -$567M -2,170,383 -6%
VCM
3
Vanguard Capital Management
Pennsylvania
$5.96B +$5.75B +22,034,861 New
VPM
4
Vanguard Portfolio Management
Pennsylvania
$4.65B +$4.48B +17,172,653 New
JP Morgan Chase
5
JP Morgan Chase
New York
$4.41B +$840M +3,216,183 +22%
State Street
6
State Street
Massachusetts
$4.18B -$60.1M -230,188 -1%
Capital World Investors
7
Capital World Investors
California
$3.21B +$2.82B +10,816,431 +1,017%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$2.56B +$50.8M +194,769 +2%
Bank of America
9
Bank of America
North Carolina
$2.3B -$928M -3,555,039 -30%
Morgan Stanley
10
Morgan Stanley
New York
$2.15B -$263M -1,005,556 -11%
WCM Investment Management
11
WCM Investment Management
California
$1.65B -$33.8M -129,399 -2%
Ameriprise
12
Ameriprise
Minnesota
$1.56B -$720M -2,757,892 -32%
Invesco
13
Invesco
Georgia
$1.5B +$19.7M +75,621 +1%
Goldman Sachs
14
Goldman Sachs
New York
$1.46B +$221M +847,170 +19%
UBS Group
15
UBS Group
Switzerland
$1.13B -$96.2M -368,367 -8%
Northern Trust
16
Northern Trust
Illinois
$976M -$17.1M -65,392 -2%
AQR Capital Management
17
AQR Capital Management
Connecticut
$913M +$127M +486,862 +16%
Capital Research Global Investors
18
Capital Research Global Investors
California
$895M +$864M +3,309,625 New
Amundi
19
Amundi
France
$827M +$172M +659,131 +27%
N
20
Nuveen
North Carolina
$800M -$419M -1,604,231 -35%
UBS AM
21
UBS AM
Illinois
$785M +$24.4M +93,339 +3%
D.E. Shaw & Co
22
D.E. Shaw & Co
New York
$727M -$787M -3,013,088 -53%
FAM
23
Fred Alger Management
New York
$719M -$6.4M -24,506 -0.9%
T. Rowe Price Associates
24
T. Rowe Price Associates
Maryland
$716M +$9.04M +34,628 +1%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$679M +$114M +435,716 +21%