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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
LPL Financial
51
LPL Financial
California
$42M +$1.75M +12,034 +4%
PCM
52
Penserra Capital Management
California
$38.3M +$7.34M +50,395 +23%
Mawer Investment Management
53
Mawer Investment Management
Alberta, Canada
$38.2M -$868K -5,963 -2%
SEI Investments
54
SEI Investments
Pennsylvania
$34.2M -$40.8M -280,437 -54%
Primecap Management
55
Primecap Management
California
$33.3M -$36.4K -250 -0.1%
BT
56
Banque Transatlantique
France
$32.3M -$274K -1,884 -0.8%
NM
57
NWI Management
New York
$31.8M
Susquehanna International Group
58
Susquehanna International Group
Pennsylvania
$31.3M -$23.9M -164,142 -43%
PEAK6
59
PEAK6
Illinois
$30.7M +$31.6M +217,068 New
DSAM
60
Dock Street Asset Management
Florida
$30.6M -$1.29M -8,889 -4%
Two Sigma Investments
61
Two Sigma Investments
New York
$29.6M +$30.5M +209,411 New
Ameriprise
62
Ameriprise
Minnesota
$29.2M -$319K -2,187 -1%
Legal & General Group
63
Legal & General Group
United Kingdom
$29M +$1.31M +9,017 +5%
TI
64
Tidal Investments
Wisconsin
$28.8M +$18.8M +129,082 +173%
VOYA Investment Management
65
VOYA Investment Management
Georgia
$28.6M +$3.97M +27,228 +16%
SPS
66
Susquehanna Portfolio Strategies
Pennsylvania
$26.2M +$27M +185,057 New
PHAM
67
Pacific Heights Asset Management
California
$26.2M +$6.55M +45,000 +32%
Jane Street
68
Jane Street
New York
$24.1M +$13.1M +90,112 +112%
Mirae Asset Global ETFs Holdings
69
Mirae Asset Global ETFs Holdings
Hong Kong
$23.8M +$8.78M +60,311 +56%
DFO
70
Duquesne Family Office
New York
$23.8M +$24.5M +167,900 New
Man Group
71
Man Group
United Kingdom
$23.1M -$7.9M -54,243 -25%
CIBC World Market
72
CIBC World Market
Ontario, Canada
$21.9M -$2.55M -17,533 -10%
Two Sigma Advisers
73
Two Sigma Advisers
New York
$21.8M +$22.5M +154,400 New
Neuberger Berman Group
74
Neuberger Berman Group
New York
$21.7M -$722K -4,954 -3%
RCW
75
Rheos Capital Works
Japan
$21.2M +$2.85M +19,600 +15%