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659 hedge funds and large institutions have $10.6B invested in Arm in 2025 Q3 according to their latest regulatory filings, with 103 funds opening new positions, 247 increasing their positions, 181 reducing their positions, and 97 closing their positions.

New
Increased
Maintained
Reduced
Closed

36% more repeat investments, than reductions

Existing positions increased: 247 | Existing positions reduced: 181

6% more first-time investments, than exits

New positions opened: 103 | Existing positions closed: 97

0.59% less ownership

Funds ownership: 7.67%7.08% (-0.59%)

4% less call options, than puts

Call options by funds: $5.24B | Put options by funds: $5.43B

1% less funds holding

Funds holding: 668659 (-9)

19% less capital invested

Capital invested by funds: $13.1B → $10.6B (-$2.56B)

38% less funds holding in top 10

Funds holding in top 10: 1610 (-6)

Holders
659
Holders Change
-9
Holders Change %
-1.35%
% of All Funds
8.65%
Holding in Top 10
10
Holding in Top 10 Change
-6
Holding in Top 10 Change %
-37.5%
% of All Funds
0.13%
New
103
Increased
247
Reduced
181
Closed
97
Calls
$5.24B
Puts
$5.43B
Net Calls
-$190M
Net Calls Change
-$1.93B
Name Holding Trade Value Shares
Change
Change in
Stake
Marshall Wace
26
Marshall Wace
United Kingdom
$116M +$48.9M +335,685 +70%
EPFB
27
Employees Provident Fund Board
Malaysia
$113M +$9.68M +66,481 +9%
Bank Julius Baer & Co
28
Bank Julius Baer & Co
Switzerland
$98.4M -$24.7M -169,330 -20%
RS
29
Robeco Schweiz
Switzerland
$95.6M -$8.17M -56,096 -8%
Barclays
30
Barclays
United Kingdom
$93.4M +$19.3M +132,783 +25%
First Trust Advisors
31
First Trust Advisors
Illinois
$92M +$6.7M +46,000 +8%
Baillie Gifford & Co
32
Baillie Gifford & Co
United Kingdom
$90.7M +$93.3M +640,877 New
Robeco Institutional Asset Management
33
Robeco Institutional Asset Management
Netherlands
$81.6M +$8.23M +56,507 +11%
American Century Companies
34
American Century Companies
Missouri
$80.7M -$3.83M -26,289 -4%
T. Rowe Price Associates
35
T. Rowe Price Associates
Maryland
$74.1M +$75.4M +517,950 +9,479%
Citigroup
36
Citigroup
New York
$73.5M -$11.2M -76,862 -13%
ZCI
37
Zevenbergen Capital Investments
Washington
$70.7M +$3.27M +22,483 +5%
Renaissance Technologies
38
Renaissance Technologies
New York
$70.1M +$45M +308,800 +165%
State Street
39
State Street
Massachusetts
$67M +$4.64M +31,883 +7%
NC
40
NZS Capital
Colorado
$63.4M +$16.1M +110,765 +33%
Rafferty Asset Management
41
Rafferty Asset Management
New York
$63.3M -$8.69M -59,642 -12%
Royal Bank of Canada
42
Royal Bank of Canada
Ontario, Canada
$63.1M +$28.1M +192,635 +76%
Mirae Asset Global Investments
43
Mirae Asset Global Investments
South Korea
$52.1M -$9.89M -67,938 -16%
GGHC
44
Gilder Gagnon Howe & Co
New York
$49.2M +$142K +978 +0.3%
Wells Fargo
45
Wells Fargo
California
$49.1M -$18.1M -123,976 -26%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
46
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$44.5M -$983K -6,749 -2%
Swedbank
47
Swedbank
Sweden
$44.3M +$8.35M +57,300 +22%
Walleye Trading
48
Walleye Trading
New York
$43M -$74.9M -514,544 -63%
Raymond James Financial
49
Raymond James Financial
Florida
$42.4M -$2.31M -15,858 -5%
MAM
50
Mark Asset Management
New York
$42.2M +$8.22M +56,412 +23%