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 |
|---|---|---|---|---|---|
| GWM Advisors LLC | 16,633 | $2.52M | 0.01% | −7,489−31.0% | Reduced |
| iA Global Asset Management Inc. | 16,769 | $2.54M | 0.04% | −422−2.5% | Reduced |
| Snowden Capital Advisors LLC | 16,799 | $2.54M | 0.07% | −139−0.8% | Reduced |
| Kestra Advisory Services, LLC | 16,840 | $2.55M | 0.01% | +2,697+19.1% | Added |
| Renaissance Technologies LLC | 16,900 | $2.56M | 0.00% | −456,700−96.4% | Reduced |
| Krane Funds Advisors LLC | 17,450 | $2.58M | 0.11% | +12,999+292.0% | Added |
| Haven Capital Group, Inc. | 17,246 | $2.61M | 2.42% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 17,658 | $2.67M | 0.49% | +8,569+94.3% | Added |
| Tower View Investment Management & Research LLC | 17,695 | $2.68M | 1.37% | −2,457−12.2% | Reduced |
| Jump Financial, LLC | 17,835 | $2.70M | 0.04% | −364,973−95.3% | Reduced |
| Ardsley Advisory Partners LP | 18,000 | $2.72M | 0.41% | +18,000 | New |
| Nomura Asset Management Co Ltd | 18,034 | $2.73M | 0.01% | −5,944−24.8% | Reduced |
| Vestmark Advisory Solutions, Inc. | 18,110 | $2.74M | 0.03% | +3,576+24.6% | Added |
| Venture Visionary Partners LLC | 18,313 | $2.77M | 0.09% | −722−3.8% | Reduced |
| TD Waterhouse Canada Inc. | 18,572 | $2.87M | 0.01% | +17,022+1,098.2% | Added |
| Mandatum Life Insurance Co Ltd | 19,128 | $2.89M | 0.65% | +19,128 | New |
| Prospera Financial Services Inc | 19,510 | $2.95M | 0.05% | +16,841+631.0% | Added |
| Camarda Financial Advisors, LLC | 19,734 | $2.99M | 1.57% | +19,734 | New |
| Morgens Waterfall Vintiadis & Co Inc | 20,000 | $3.03M | 3.73% | +20,000 | New |
| Oaktop Capital Management II, L.P. | 20,000 | $3.03M | 0.23% | +20,000 | New |
| Blue Fin Capital, Inc. | 20,480 | $3.10M | 0.51% | −2,253−9.9% | Reduced |
| 180 Wealth Advisors, LLC | 20,525 | $3.11M | 0.35% | +1,051+5.4% | Added |
| Scotia Capital Inc. | 20,536 | $3.11M | 0.01% | +6,230+43.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 21,737 | $3.29M | 0.00% | +215+1.0% | Added |
| Brinker Capital Investments, LLC | 22,882 | $3.46M | 0.03% | −9,633−29.6% | Reduced |
| Verition Fund Management LLC | 22,890 | $3.46M | 0.03% | +14,822+183.7% | Added |
| Newbridge Financial Services Group, Inc. | 22,938 | $3.47M | 0.57% | −67,207−74.6% | Reduced |
| Vontobel Holding Ltd. | 23,343 | $3.53M | 0.01% | −2,284−8.9% | Reduced |
| Twin Tree Management, LP | 23,659 | $3.58M | 0.75% | −117,420−83.2% | Reduced |
| Whittier Trust Co of Nevada Inc | 24,126 | $3.59M | 0.07% | +24,126 | New |
| Adams Wealth Management | 23,882 | $3.61M | 0.79% | +1,477+6.6% | Added |
| Commonwealth Equity Services, LLC | 24,187 | $3.66M | 0.01% | −2,599−9.7% | Reduced |
| Baker Chad R | 24,250 | $3.67M | 0.69% | 00.0% | Unchanged |
| Walleye Trading LLC | 24,402 | $3.69M | 0.08% | −1,291,777−98.1% | Reduced |
| CIBC Asset Management Inc | 24,633 | $3.73M | 0.01% | −587−2.3% | Reduced |
| HSBC Holdings PLC | 24,790 | $3.73M | 0.00% | −68,202−73.3% | Reduced |
| Capital International Inc | 25,026 | $3.79M | 0.03% | +1,985+8.6% | Added |
| Westwood Wealth Management | 25,135 | $3.80M | 1.49% | +25,135 | New |
| Lagoda Investment Management, L.P. | 26,085 | $3.95M | 2.43% | −2,350−8.3% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 27,708 | $4.03M | 0.03% | +27,708 | New |
| Sofos Investments, Inc. | 26,766 | $4.05M | 0.72% | +227+0.9% | Added |
| Capital International Ltd | 26,804 | $4.05M | 0.15% | 00.0% | Unchanged |
| Intrinsic Edge Capital Management LLC | 26,966 | $4.08M | 0.74% | +26,966 | New |
| Texas Capital Bank Wealth Management Services Inc | 27,500 | $4.16M | 0.25% | 00.0% | Unchanged |
| Resolute Capital Asset Partners LLC | 28,000 | $4.24M | 2.23% | +28,000 | New |
| CacheTech Inc. | 28,011 | $4.24M | 0.82% | +2,346+9.1% | Added |
| Jackson Square Capital, LLC | 28,218 | $4.27M | 0.89% | −1,094−3.7% | Reduced |
| GF Fund Management Co. Ltd. | 28,352 | $4.29M | 0.07% | −831−2.8% | Reduced |
| Chicago Capital, LLC | 28,427 | $4.30M | 0.12% | +11,377+66.7% | Added |
| Robocap Asset Management Ltd | 28,579 | $4.32M | 4.62% | +18,239+176.4% | Added |
| Connective Capital Management, LLC | 28,652 | $4.33M | 3.58% | +28,652 | New |
| VestGen Advisors, LLC | 21,196 | $4.41M | 0.12% | −4,006−15.9% | Reduced |
| Midwest Trust Co | 29,541 | $4.47M | 0.06% | +29,541 | New |
| Covea Finance | 29,918 | $4.53M | 0.16% | +29,918 | New |
| USS Investment Management Ltd | 30,229 | $4.57M | 0.02% | +1,881+6.6% | Added |
| Marex Group plc | 31,039 | $4.70M | 0.05% | −27,576−47.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 31,199 | $4.72M | 0.01% | +7,011+29.0% | Added |
| Simplex Trading, LLC | 31,465 | $4.76M | 0.15% | −121,951−79.5% | Reduced |
| Mizuho Markets Cayman LP | 31,654 | $4.79M | 0.26% | +15,688+98.3% | Added |
| Modus Advisors, LLC | 32,399 | $4.90M | 1.35% | +4,902+17.8% | Added |
| Y-Intercept (Hong Kong) Ltd | 32,648 | $4.94M | 0.09% | −50,130−60.6% | Reduced |
| Marsico Capital Management LLC | 32,850 | $4.97M | 0.15% | +32,850 | New |
| Mariner, LLC | 33,102 | $5.01M | 0.01% | +8,492+34.5% | Added |
| Optiver Holding B.V. | 33,359 | $5.05M | 0.19% | −82,226−71.1% | Reduced |
| Broadleaf Partners, LLC | 33,761 | $5.11M | 1.19% | −6,048−15.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 36,624 | $5.54M | 0.01% | −280,745−88.5% | Reduced |
| Schaper Benz & Wise Investment Counsel Inc | 37,603 | $5.69M | 0.43% | +4,979+15.3% | Added |
| EFG International AG | 37,841 | $5.72M | 0.12% | +33,854+849.1% | Added |
| Pinnacle Associates Ltd | 38,087 | $5.76M | 0.07% | +5,205+15.8% | Added |
| Royal Fund Management, LLC | 38,344 | $5.80M | 0.56% | +23,494+158.2% | Added |
| Cetera Investment Advisers | 39,008 | $5.90M | 0.01% | −7,391−15.9% | Reduced |
| Exchange Traded Concepts, LLC | 39,095 | $5.91M | 0.05% | −43,177−52.5% | Reduced |
| Daiwa Securities Group Inc. | 40,844 | $6.18M | 0.02% | +26,667+188.1% | Added |
| Nomura Holdings Inc | 40,981 | $6.20M | 0.05% | −172,114−80.8% | Reduced |
| Capitolis Liquid Global Markets LLC | 41,617 | $6.30M | 0.04% | +41,617 | New |
| Groupe la Francaise | 41,953 | $6.31M | 0.09% | +16,201+62.9% | Added |
| Nishkama Capital, LLC | 42,000 | $6.35M | 0.90% | +42,000 | New |
| Harvest Fund Management Co., Ltd | 42,315 | $6.39M | 0.27% | −150.0% | Reduced |
| Oppenheimer & Co Inc | 42,639 | $6.45M | 0.08% | +42,639 | New |
| Incline Global Management LLC | 43,422 | $6.57M | 2.58% | +43,422 | New |
| Oversea-Chinese Banking CORP Ltd | 46,349 | $6.68M | 0.20% | +19,479+72.5% | Added |
| Gunderson Capital Management Inc. | 45,029 | $6.81M | 2.85% | +45,029 | New |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 45,270 | $6.85M | 0.24% | +22,170+96.0% | Added |
| Hidden Lake Asset Management LP | 45,366 | $6.86M | 4.55% | +45,366 | New |
| Slow Capital, Inc. | 45,741 | $6.92M | 0.90% | +19,117+71.8% | Added |
| Oribel Capital Management, LP | 45,900 | $6.94M | 1.06% | +45,900 | New |
| Itau Unibanco Holding S.A. | 46,000 | $6.96M | 0.17% | +11,350+32.8% | Added |
| Guggenheim Capital LLC | 46,804 | $7.08M | 0.06% | −3,545−7.0% | Reduced |
| Nixon Peabody Trust Co | 47,107 | $7.13M | 0.57% | +47,107 | New |
| Stanley-Laman Group, Ltd. | 47,189 | $7.14M | 0.88% | +3,773+8.7% | Added |
| Capital International Sarl | 48,789 | $7.38M | 0.12% | +3,349+7.4% | Added |
| Janney Montgomery Scott LLC | 49,057 | $7.42M | 0.02% | +15,880+47.9% | Added |
| Caption Management, LLC | 50,000 | $7.56M | 0.36% | +40,750+440.5% | Added |
| Quadrature Capital Ltd | 52,297 | $7.91M | 0.09% | +52,297 | New |
| BOCHK Asset Management Ltd | 53,200 | $8.05M | 1.67% | +53,200 | New |
| Bank of Montreal | 53,439 | $8.08M | 0.00% | −64,935−54.9% | Reduced |
| Westend Capital Management, LLC | 53,699 | $8.12M | 2.44% | +53,699 | New |
| Deutsche Bank AG | 53,934 | $8.16M | 0.00% | −191,160−78.0% | Reduced |
| Longitude (Cayman) Ltd. | 55,000 | $8.32M | 7.26% | +5,000+10.0% | Added |
| E Fund Management Co., Ltd. | 56,444 | $8.54M | 0.25% | +56,444 | New |