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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
RIL
951
Rothschild Investment LLC
Illinois
$709 +$532 +2 New
PEAK6
952
PEAK6
Illinois
$530 -$24.9M -93,459 -100%
MG
953
Mather Group
Illinois
$355 -$43.1K -162 -99%
GCS
954
Gordian Capital (Singapore)
Singapore
$355
DWM
955
Darwin Wealth Management
Florida
$63
ACM
956
Analog Century Management
New York
-$105M -691,364 Closed
WRCM
957
Whale Rock Capital Management
Massachusetts
-$68.4M -452,384 Closed
NM
958
NWI Management
New York
-$31.3M -206,730 Closed
Qube Research & Technologies (QRT)
959
Qube Research & Technologies (QRT)
United Kingdom
-$25.4M -168,020 Closed
TAM
960
Talos Asset Management
New York
-$18.3M -121,200 Closed
QOP
961
Quinn Opportunity Partners
Virginia
-$17.5M -115,850 Closed
TC
962
Tairen Capital
Hong Kong
-$16.2M -107,400 Closed
CF
963
Cantor Fitzgerald
New York
-$14.8M -97,920 Closed
CFM
964
Catalyst Funds Management
Australia
-$13.6M -90,198 Closed
HF
965
HRT Financial
New York
-$22.8M -85,816 Closed
SI
966
Sora Investors
Pennsylvania
-$12.9M -85,000 Closed
WCM
967
Westend Capital Management
California
-$8.12M -53,699 Closed
QC
968
Quadrature Capital
United Kingdom
-$7.91M -52,297 Closed
CM
969
Caption Management
Oklahoma
-$13.3M -50,000 Closed
OCM
970
Oribel Capital Management
New York
-$6.94M -45,900 Closed
HLAM
971
Hidden Lake Asset Management
New York
-$6.86M -45,366 Closed
IGM
972
Incline Global Management
New York
-$6.57M -43,422 Closed
NCL
973
Nishkama Capital LLC
Puerto Rico
-$6.35M -42,000 Closed
CLGM
974
Capitolis Liquid Global Markets
New York
-$6.3M -41,617 Closed
YIH
975
Y-Intercept (HK)
Hong Kong
-$4.94M -32,648 Closed

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.