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955 hedge funds and large institutions have $34.8B invested in Arm in 2026 Q2 according to their latest regulatory filings, with 312 funds opening new positions, 283 increasing their positions, 255 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

271% more first-time investments, than exits

New positions opened: 312 | Existing positions closed: 84

153% more capital invested

Capital invested by funds: $13.7B → $34.8B (+$21B)

64% more funds holding in top 10

Funds holding in top 10: 2236 (+14)

29% more funds holding

Funds holding: 743955 (+212)

11% more repeat investments, than reductions

Existing positions increased: 283 | Existing positions reduced: 255

0.61% more ownership

Funds ownership: 8.6%9.22% (+0.61%)

27% less call options, than puts

Call options by funds: $10.4B | Put options by funds: $14.1B

Holders
955
Holders Change
+212
Holders Change %
+28.53%
% of All Funds
11.54%
Holding in Top 10
36
Holding in Top 10 Change
+14
Holding in Top 10 Change %
+63.64%
% of All Funds
0.43%
New
312
Increased
283
Reduced
255
Closed
84
Calls
$10.4B
Puts
$14.1B
Net Calls
-$3.77B
Net Calls Change
-$2.52B
Name Holding Trade Value Shares
Change
Change in
Stake
CIBC Asset Management
101
CIBC Asset Management
Ontario, Canada
$39.5M +$23.1M +86,747 +352%
Ohio Public Employees Retirement System (OPERS)
102
Ohio Public Employees Retirement System (OPERS)
Ohio
$38.3M -$39.8M -149,826 -58%
CIS
103
Capital International Sarl
California
$37.1M +$14.8M +55,748 +114%
LA
104
LBP AM
France
$36.5M -$14.9M -56,058 -35%
LIP
105
Liontrust Investment Partners
United Kingdom
$36.3M -$65.1M -244,980 -71%
BT
106
Banque Transatlantique
France
$35.9M +$11.9M +44,840 +36%
TD Asset Management
107
TD Asset Management
Ontario, Canada
$35.8M -$2.54M -9,558 -9%
Robeco Institutional Asset Management
108
Robeco Institutional Asset Management
Netherlands
$35.5M -$125M -470,083 -82%
Bank of Montreal
109
Bank of Montreal
Ontario, Canada
$34.7M +$11.8M +44,309 +83%
GC
110
Guggenheim Capital
Illinois
$34.6M +$13.5M +50,849 +109%
PFS
111
Prospera Financial Services
Texas
$34.6M +$20.8M +78,093 +400%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
112
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$34.5M +$16.2M +60,792 +166%
AllianceBernstein
113
AllianceBernstein
Tennessee
$34.3M +$2.24M +8,428 +4%
ECSS
114
Eurizon Capital SGR SpA
$33.6M -$18.1M -68,219 -42%
HighTower Advisors
115
HighTower Advisors
Illinois
$33.5M +$186K +700 +0.7%
Envestnet Asset Management
116
Envestnet Asset Management
Illinois
$32.5M +$5.48M +20,606 +29%
RCW
117
Rheos Capital Works
Japan
$31.9M -$26.5M -99,600 -53%
US
118
UNICOM Systems
Nevada
$31.6M
NIM
119
NEOS Investment Management
Connecticut
$31M +$4.14M +15,554 +22%
SS
120
SBI Securities
Japan
$30.9M -$1.82M -6,863 -7%
VA
121
Vident Advisory
Georgia
$30.3M +$19M +71,585 +521%
FISPB
122
Fideuram - Intesa Sanpaolo Private Banking
$29.9M +$10.4M +39,089 +86%
Sumitomo Mitsui Trust Group
123
Sumitomo Mitsui Trust Group
Japan
$29.8M -$1.77M -6,673 -7%
APG Asset Management
124
APG Asset Management
Netherlands
$29.6M +$7.23M +27,179 +40%
Jane Street
125
Jane Street
New York
$29.6M -$61.7M -232,057 -74%

ARM Hedge Fund Activity: Q2 2026 in Review

955 of the 8,279 institutional investors tracked by Wall St. Rank reported a position in Arm (ARM) for Q2 2026, worth a combined $34.8B — up 153% from $13.7B a quarter earlier.

Buyers outnumbered sellers: 312 funds opened new ARM positions and 84 closed out — a net gain of 228 holders — while 283 added to existing stakes and 255 trimmed.

The largest buyer was Invesco, adding an estimated $1.84B. The largest seller was DZ Bank, cutting an estimated $764M.

  • 955 institutional investors held Arm (ARM) as of Q2 2026, up from 743 in Q1 2026.
  • Funds reported $34.8B of Arm stock for Q2 2026, up 153% quarter-over-quarter.
  • 312 funds opened new Arm positions in Q2 2026 and 84 closed out, a net change of +228 holders.
  • The largest Arm buyer in Q2 2026 was Invesco, an estimated $1.84B added.
  • The largest Arm seller in Q2 2026 was DZ Bank, an estimated $764M sold.

Based on aggregated 13F filings for Q2 2026.