Arm Holdings PLC
ARM- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001973239
In the last 90 days, Arm Holdings PLC insiders filed 0 open-market purchases and 2 sales; 962 institutions reported holding it in 13F filings for Q2 2026, worth $35.0B in total; 3 superinvestors hold it, including Altimeter Capital and Duquesne Family Office.
13F holders, Q1 2026
Institutional positions in Arm Holdings PLC as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 745
- +105 vs. Q4 2025
- Shares held
- 90.9M
- +8.99M (+11.0%) vs. Q4 2025
- Total value
- $13.7B
- +$4.79B (+53.4%) vs. Q4 2025
- New holders
- 189
- 233 more added
- Sold out
- 84
- 209 more reduced
14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ARM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 962 | $35.0B |
| Q1 2026 | 745 | $13.7B |
| Q4 2025 | 654 | $8.97B |
| Q3 2025 | 659 | $10.6B |
| Q2 2025 | 669 | $13.1B |
| Q1 2025 | 636 | $8.09B |
| Q4 2024 | 641 | $7.93B |
| Q3 2024 | 615 | $8.66B |
| Q2 2024 | 568 | $9.95B |
| Q1 2024 | 410 | $7.63B |
| Q4 2023 | 271 | $5.82B |
| Q3 2023 | 210 | $3.97B |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Arm Holdings PLC; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| United Capital Management of KS, Inc. | 114,976 | $17.4M | 2.64% | +10,615+10.2% | Added |
| Reynders McVeigh Capital Management, LLC | 114,099 | $17.3M | 0.87% | −303−0.3% | Reduced |
| CSM Advisors, LLC | 111,709 | $16.9M | 0.42% | +111,709 | New |
| TD Asset Management Inc | 110,488 | $16.7M | 0.01% | −13,276−10.7% | Reduced |
| Tairen Capital Ltd | 107,400 | $16.2M | 1.76% | +107,400 | New |
| Duquesne Family Office LLCSuperinvestorDuquesne Family Office | 106,700 | $16.1M | 0.55% | +106,700 | New |
| Man Group plc | 99,510 | $15.1M | 0.03% | −25,716−20.5% | Reduced |
| Defender Capital, LLC. | 98,940 | $15.0M | 5.31% | −2,000−2.0% | Reduced |
| Cantor Fitzgerald, L. P. | 97,920 | $14.8M | 0.54% | +12,488+14.6% | Added |
| SBI Securities Co., Ltd. | 94,085 | $14.2M | 0.39% | −14,399−13.3% | Reduced |
| HighTower Advisors, LLC | 93,688 | $14.2M | 0.02% | +70,933+311.7% | Added |
| PEAK6 LLC | 93,460 | $14.1M | 0.41% | −207,815−69.0% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 90,773 | $13.7M | 0.01% | +53,914+146.3% | Added |
| Diversify Wealth Management, LLC | 67,852 | $13.7M | 0.24% | +67,852 | New |
| Catalyst Funds Management Pty Ltd | 90,198 | $13.6M | 2.31% | +90,198 | New |
| Allianz Asset Management GmbH | 89,177 | $13.5M | 0.02% | +51,847+138.9% | Added |
| Credit Agricole S A | 89,056 | $13.5M | 0.04% | +17,105+23.8% | Added |
| New York State Common Retirement Fund | 89,032 | $13.5M | 0.02% | +48,945+122.1% | Added |
| UNICOM Systems, Inc. | 89,000 | $13.5M | 1.38% | 00.0% | Unchanged |
| XTX Topco Ltd | 87,304 | $13.2M | 0.23% | +87,304 | New |
| HRT Financial LP | 85,816 | $13.0M | 0.03% | +85,816 | New |
| Sora Investors LLC | 85,000 | $12.9M | 1.18% | +85,000 | New |
| Renaissance Capital LLC | 59,145 | $12.4M | 9.01% | −10,698−15.3% | Reduced |
| Assetmark, Inc | 81,627 | $12.3M | 0.03% | +16,149+24.7% | Added |
| Northwestern Mutual Wealth Management Co | 81,574 | $12.3M | 0.01% | +9,243+12.8% | Added |
| Handelsbanken Fonder AB | 81,489 | $12.3M | 0.04% | +1,066+1.3% | Added |
| Diversify Advisory Services, LLC | 60,893 | $12.3M | 1.88% | −4,562−7.0% | Reduced |
| Berkshire Capital Holdings Inc | 80,450 | $12.2M | 4.39% | +80,440+804,400.0% | Added |
| Rockefeller Capital Management L.P. | 77,696 | $11.8M | 0.02% | +50,951+190.5% | Added |
| Advisor Group Holdings, Inc. | 74,519 | $11.3M | 0.02% | −23,270−23.8% | Reduced |
| NEOS Investment Management LLC | 71,843 | $10.9M | 0.05% | +16,340+29.4% | Added |
| Envestnet Asset Management Inc | 71,071 | $10.8M | 0.00% | +23,084+48.1% | Added |
| Bank of New York Mellon Corp | 69,904 | $10.6M | 0.00% | −2,550−3.5% | Reduced |
| Stifel Financial Corp | 68,757 | $10.4M | 0.01% | +6,816+11.0% | Added |
| Jones Financial Companies LLLP | 70,885 | $10.2M | 0.00% | +7,552+11.9% | Added |
| Wiley Bros.-Aintree Capital, LLC | 64,704 | $9.78M | 0.05% | +33,347+106.3% | Added |
| Havemeyer Place LP | 64,097 | $9.70M | 1.12% | +64,097 | New |
| National Bank of Canada | 61,838 | $9.35M | 0.01% | −3,766−5.7% | Reduced |
| Nissay Asset Management Corp | 61,653 | $9.33M | 0.05% | +1,724+2.9% | Added |
| Victory Capital Management Inc | 60,368 | $9.13M | 0.01% | −1,900−3.1% | Reduced |
| APG Asset Management N.V. | 68,336 | $8.97M | 0.03% | −417−0.6% | Reduced |
| Whittier Trust Co | 58,793 | $8.75M | 0.10% | +58,793 | New |
| Cambridge Investment Research Advisors, Inc. | 57,401 | $8.68M | 0.02% | +6,195+12.1% | Added |
| Zevenbergen Capital Investments LLC | 57,100 | $8.64M | 0.25% | +1,410+2.5% | Added |
| E Fund Management Co., Ltd. | 56,444 | $8.54M | 0.25% | +56,444 | New |
| Longitude (Cayman) Ltd. | 55,000 | $8.32M | 7.26% | +5,000+10.0% | Added |
| Deutsche Bank AG | 53,934 | $8.16M | 0.00% | −191,160−78.0% | Reduced |
| Westend Capital Management, LLC | 53,699 | $8.12M | 2.44% | +53,699 | New |
| Bank of Montreal | 53,439 | $8.08M | 0.00% | −64,935−54.9% | Reduced |
| BOCHK Asset Management Ltd | 53,200 | $8.05M | 1.67% | +53,200 | New |
| Quadrature Capital Ltd | 52,297 | $7.91M | 0.09% | +52,297 | New |
| Caption Management, LLC | 50,000 | $7.56M | 0.36% | +40,750+440.5% | Added |
| Janney Montgomery Scott LLC | 49,057 | $7.42M | 0.02% | +15,880+47.9% | Added |
| Capital International Sarl | 48,789 | $7.38M | 0.12% | +3,349+7.4% | Added |
| Stanley-Laman Group, Ltd. | 47,189 | $7.14M | 0.88% | +3,773+8.7% | Added |
| Nixon Peabody Trust Co | 47,107 | $7.13M | 0.57% | +47,107 | New |
| Guggenheim Capital LLC | 46,804 | $7.08M | 0.06% | −3,545−7.0% | Reduced |
| Itau Unibanco Holding S.A. | 46,000 | $6.96M | 0.17% | +11,350+32.8% | Added |
| Oribel Capital Management, LP | 45,900 | $6.94M | 1.06% | +45,900 | New |
| Slow Capital, Inc. | 45,741 | $6.92M | 0.90% | +19,117+71.8% | Added |
| Hidden Lake Asset Management LP | 45,366 | $6.86M | 4.55% | +45,366 | New |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 45,270 | $6.85M | 0.24% | +22,170+96.0% | Added |
| Gunderson Capital Management Inc. | 45,029 | $6.81M | 2.85% | +45,029 | New |
| Oversea-Chinese Banking CORP Ltd | 46,349 | $6.68M | 0.20% | +19,479+72.5% | Added |
| Incline Global Management LLC | 43,422 | $6.57M | 2.58% | +43,422 | New |
| Oppenheimer & Co Inc | 42,639 | $6.45M | 0.08% | +42,639 | New |
| Harvest Fund Management Co., Ltd | 42,315 | $6.39M | 0.27% | −150.0% | Reduced |
| Nishkama Capital, LLC | 42,000 | $6.35M | 0.90% | +42,000 | New |
| Groupe la Francaise | 41,953 | $6.31M | 0.09% | +16,201+62.9% | Added |
| Capitolis Liquid Global Markets LLC | 41,617 | $6.30M | 0.04% | +41,617 | New |
| Nomura Holdings Inc | 40,981 | $6.20M | 0.05% | −172,114−80.8% | Reduced |
| Daiwa Securities Group Inc. | 40,844 | $6.18M | 0.02% | +26,667+188.1% | Added |
| Exchange Traded Concepts, LLC | 39,095 | $5.91M | 0.05% | −43,177−52.5% | Reduced |
| Cetera Investment Advisers | 39,008 | $5.90M | 0.01% | −7,391−15.9% | Reduced |
| Royal Fund Management, LLC | 38,344 | $5.80M | 0.56% | +23,494+158.2% | Added |
| Pinnacle Associates Ltd | 38,087 | $5.76M | 0.07% | +5,205+15.8% | Added |
| EFG International AG | 37,841 | $5.72M | 0.12% | +33,854+849.1% | Added |
| Schaper Benz & Wise Investment Counsel Inc | 37,603 | $5.69M | 0.43% | +4,979+15.3% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 36,624 | $5.54M | 0.01% | −280,745−88.5% | Reduced |
| Broadleaf Partners, LLC | 33,761 | $5.11M | 1.19% | −6,048−15.2% | Reduced |
| Optiver Holding B.V. | 33,359 | $5.05M | 0.19% | −82,226−71.1% | Reduced |
| Mariner, LLC | 33,102 | $5.01M | 0.01% | +8,492+34.5% | Added |
| Marsico Capital Management LLC | 32,850 | $4.97M | 0.15% | +32,850 | New |
| Y-Intercept (Hong Kong) Ltd | 32,648 | $4.94M | 0.09% | −50,130−60.6% | Reduced |
| Modus Advisors, LLC | 32,399 | $4.90M | 1.35% | +4,902+17.8% | Added |
| Mizuho Markets Cayman LP | 31,654 | $4.79M | 0.26% | +15,688+98.3% | Added |
| Simplex Trading, LLC | 31,465 | $4.76M | 0.15% | −121,951−79.5% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 31,199 | $4.72M | 0.01% | +7,011+29.0% | Added |
| Marex Group plc | 31,039 | $4.70M | 0.05% | −27,576−47.0% | Reduced |
| USS Investment Management Ltd | 30,229 | $4.57M | 0.02% | +1,881+6.6% | Added |
| Covea Finance | 29,918 | $4.53M | 0.16% | +29,918 | New |
| Midwest Trust Co | 29,541 | $4.47M | 0.06% | +29,541 | New |
| VestGen Advisors, LLC | 21,196 | $4.41M | 0.12% | −4,006−15.9% | Reduced |
| Connective Capital Management, LLC | 28,652 | $4.33M | 3.58% | +28,652 | New |
| Robocap Asset Management Ltd | 28,579 | $4.32M | 4.62% | +18,239+176.4% | Added |
| Chicago Capital, LLC | 28,427 | $4.30M | 0.12% | +11,377+66.7% | Added |
| GF Fund Management Co. Ltd. | 28,352 | $4.29M | 0.07% | −831−2.8% | Reduced |
| Jackson Square Capital, LLC | 28,218 | $4.27M | 0.89% | −1,094−3.7% | Reduced |
| CacheTech Inc. | 28,011 | $4.24M | 0.82% | +2,346+9.1% | Added |
| Resolute Capital Asset Partners LLC | 28,000 | $4.24M | 2.23% | +28,000 | New |