Arm
ARM
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.
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: 668 → 659 (-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: 16 → 10 (-6)
Top Buyers
Top Sellers
ARM Hedge Fund Activity: Q3 2025 in Review
659 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Arm (ARM) for Q3 2025, worth a combined $10.6B — down 19% from $13.1B a quarter earlier.
Buyers outnumbered sellers: 103 funds opened new ARM positions and 97 closed out — a net gain of 6 holders — while 247 added to existing stakes and 181 trimmed.
The largest buyer was Capital Research Global Investors, opening a new position worth an estimated $250M. The largest seller was Schroder Investment Management Group, cutting an estimated $443M.
- 659 institutional investors held Arm (ARM) as of Q3 2025, down from 668 in Q2 2025.
- Funds reported $10.6B of Arm stock for Q3 2025, down 19% quarter-over-quarter.
- 103 funds opened new Arm positions in Q3 2025 and 97 closed out, a net change of +6 holders.
- The largest Arm buyer in Q3 2025 was Capital Research Global Investors, an estimated $250M added.
- The largest Arm seller in Q3 2025 was Schroder Investment Management Group, an estimated $443M sold.
Based on aggregated 13F filings for Q3 2025.