Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ARM held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 16.6M | $2.51B | -1.0% | 1.558% | 0.28% |
| 2 | MORGAN STANLEY | 4.5M | $675.3M | +18.0% | 0.419% | 0.04% |
| 3 | Capital Research Global Investors | 4.2M | $638.1M | +133.7% | 0.396% | 0.10% |
| 4 | GOLDMAN SACHS GROUP INC | 4.1M | $623.2M | -50.6% | 0.387% | 0.07% |
| 5 | SCHRODER INVESTMENT MANAGEMENT GROUP | 3.8M | $578.5M | +102.2% | 0.359% | 0.47% |
| 6 | Walleye Trading LLC | 3.7M | $564.1M | -38.0% | 0.350% | 1.43% |
| 7 | Invesco Ltd. | 3.0M | $446.6M | +21.6% | 0.278% | 0.07% |
| 8 | FMR LLC | 2.4M | $370.5M | +41.5% | 0.230% | 0.02% |
| 9 | UBS Group AG | 2.4M | $357.3M | -7.4% | 0.222% | 0.05% |
| 10 | Sustainable Growth Advisers, LP | 2.0M | $303.6M | -24.8% | 0.189% | 2.86% |
| 11 | Alphabet Inc. | 2.0M | $296.6M | 0.0% | 0.184% | 7.39% |
| 12 | Altimeter Capital Management, LP | 1.7M | $259.5M | β | 0.161% | 4.55% |
| 13 | WELLINGTON MANAGEMENT GROUP LLP | 1.7M | $250.5M | -23.0% | 0.156% | 0.05% |
| 14 | Hyperion Asset Management Ltd | 1.6M | $241.8M | -12.9% | 0.150% | 7.71% |
| 15 | FRANKLIN RESOURCES INC | 1.6M | $234.6M | +6.1% | 0.146% | 0.06% |
| 16 | Employees Provident Fund Board | 1.4M | $211.8M | β | 0.132% | 0.00% |
| 17 | Mubadala Investment Co PJSC | 1.4M | $208.3M | 0.0% | 0.129% | 1.02% |
| 18 | BlackRock, Inc. | 1.2M | $188.0M | -5.0% | 0.117% | 0.00% |
| 19 | Capital International Investors | 1.2M | $176.3M | β | 0.110% | 0.04% |
| 20 | CITIGROUP INC | 1.0M | $155.2M | +19.9% | 0.096% | 0.07% |
| 21 | Robeco Schweiz AG | 1.0M | $152.4M | +52.0% | 0.095% | 3.22% |
| 22 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 945K | $143.0M | +1203.5% | 0.089% | 0.08% |
| 23 | LANSDOWNE PARTNERS (UK) LLP | 936K | $141.5M | +98.2% | 0.088% | 7.58% |
| 24 | Point72 Asset Management, L.P. | 892K | $134.9M | β | 0.084% | 0.19% |
| 25 | Centiva Capital, LP | 872K | $131.9M | -4.3% | 0.082% | 1.30% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ARM β a direct measure of their conviction.
Filings activity in ARM during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new ARM position in Q1 2026
Institutions that fully closed their ARM position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 717 | +14% | 3.59% | +0.31 pp | $14.54B | +9.3% |
| Q4 2025 | 631 | 0.5% | 3.28% | 0.65 pp | $13.31B | 16% |
| Q3 2025 | 634 | 1.9% | 3.93% | 0.39 pp | $15.92B | 9.0% |
| Q2 2025 | 646 | +7.8% | 4.32% | +2.01 pp | $17.51B | +87% |
| Q1 2025 | 599 | 1.5% | 2.31% | 0.22 pp | $9.38B | 8.5% |
| Q4 2024 | 608 | +4.5% | 2.53% | 0.44 pp | $10.25B | 15% |
| Q3 2024 | 582 | +9.2% | 2.97% | +0.16 pp | $12.02B | +5.8% |
| Q2 2024 | 533 | β | 2.81% | β | $11.37B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ARM stock.
Based on Q1 2026 13F filings, institutional ownership of Arm Holdings plc American Depositary Shares stands at 3.6%, held across 717 reporting institutions.
SUSQUEHANNA INTERNATIONAL GROUP, LLP is the largest reported institutional holder of ARM, with approximately 16,576,919 shares worth $2.51B as of Q1 2026.
Yes β 3 widely-followed marquee investors appear among the top 25 institutional holders of ARM, including SUSQUEHANNA INTERNATIONAL GROUP, LLP, Altimeter Capital Management, LP, Point72 Asset Management, L.P..
Our composite Smart Money Score for ARM is 75 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
196 institutions opened new positions in ARM during Q1 2026, while 110 fully exited. 445 added to existing positions and 72 trimmed.
ARM institutional ownership rose by 0.31 percentage points quarter-over-quarter, with a net change of +86 holders.
The top 10 institutions account for 48.6% of all reported 13F value in ARM, and the top 25 account for 68.7%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Arm Holdings plc American Depositary Shares (ARM) Institutional Ownership