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668 hedge funds and large institutions have $13.1B invested in Arm in 2025 Q2 according to their latest regulatory filings, with 132 funds opening new positions, 216 increasing their positions, 211 reducing their positions, and 90 closing their positions.

New
Increased
Maintained
Reduced
Closed

62% more capital invested

Capital invested by funds: $8.1B → $13.1B (+$5.03B)

47% more first-time investments, than exits

New positions opened: 132 | Existing positions closed: 90

33% more funds holding in top 10

Funds holding in top 10: 1216 (+4)

33% more call options, than puts

Call options by funds: $6.99B | Put options by funds: $5.25B

6% more funds holding

Funds holding: 633668 (+35)

2% more repeat investments, than reductions

Existing positions increased: 216 | Existing positions reduced: 211

0.45% more ownership

Funds ownership: 7.22%7.67% (+0.45%)

Holders
668
Holders Change
+35
Holders Change %
+5.53%
% of All Funds
8.8%
Holding in Top 10
16
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+33.33%
% of All Funds
0.21%
New
132
Increased
216
Reduced
211
Closed
90
Calls
$6.99B
Puts
$5.25B
Net Calls
+$1.74B
Net Calls Change
+$1.53B
Name Holding Trade Value Shares
Change
Change in
Stake
JFG
676
Jefferies Financial Group
New York
-$19.6M -183,212 Closed
EIM
677
Elliott Investment Management
Florida
-$14.9M -139,551 Closed
WHG
678
Westwood Holdings Group
Texas
-$11M -103,466 Closed
QOP
679
Quinn Opportunity Partners
Virginia
-$9.44M -88,436 Closed
D.E. Shaw & Co
680
D.E. Shaw & Co
New York
-$9.94M -80,089 Closed
TC
681
TownSquare Capital
Utah
-$7.15M -66,975 Closed
FFM
682
FengHe Fund Management
Singapore
-$5.34M -50,000 Closed
WP
683
Woodline Partners
California
-$4.89M -45,802 Closed
QT
684
Quantbot Technologies
New York
-$4.5M -42,113 Closed
Nomura Holdings
685
Nomura Holdings
Japan
-$4.47M -41,832 Closed
HT
686
Headlands Technologies
Illinois
-$3.46M -32,410 Closed
CSD
687
Clear Street Derivatives
New York
-$3.12M -29,257 Closed
Balyasny Asset Management
688
Balyasny Asset Management
Illinois
-$3.27M -26,307 Closed
VF
689
Virtu Financial
New York
-$2.06M -19,318 Closed
Mercer Global Advisors
690
Mercer Global Advisors
Colorado
-$2.34M -18,848 Closed
GS
691
GWN Securities
Florida
-$2.36M -17,778 Closed
Wolverine Trading
692
Wolverine Trading
Illinois
-$1.79M -16,614 Closed
MCM
693
Mitchell Capital Management
Kansas
-$1.75M -16,400 Closed
AIMCA
694
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
-$1.65M -15,420 Closed
SCA
695
Southern Capital Advisors
Tennessee
-$1.61M -15,101 Closed
CAU
696
Caxton Associates (UK)
-$1.49M -13,969 Closed
PCMH
697
Polymer Capital Management (HK)
Hong Kong
-$1.4M -13,097 Closed
SW
698
Simplicity Wealth
New Jersey
-$1.31M -12,296 Closed
Amundi
699
Amundi
France
-$1.15M -11,804 Closed
MIC
700
Maxi Investments CY
Cyprus
-$911K -8,535 Closed

ARM Hedge Fund Activity: Q2 2025 in Review

668 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Arm (ARM) for Q2 2025, worth a combined $13.1B — up 62% from $8.1B a quarter earlier.

Buyers outnumbered sellers: 132 funds opened new ARM positions and 90 closed out — a net gain of 42 holders — while 216 added to existing stakes and 211 trimmed.

The largest buyer was Coatue Management, opening a new position worth an estimated $575M. The largest seller was BlackRock, cutting an estimated $289M.

  • 668 institutional investors held Arm (ARM) as of Q2 2025, up from 633 in Q1 2025.
  • Funds reported $13.1B of Arm stock for Q2 2025, up 62% quarter-over-quarter.
  • 132 funds opened new Arm positions in Q2 2025 and 90 closed out, a net change of +42 holders.
  • The largest Arm buyer in Q2 2025 was Coatue Management, an estimated $575M added.
  • The largest Arm seller in Q2 2025 was BlackRock, an estimated $289M sold.

Based on aggregated 13F filings for Q2 2025.