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; 961 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, Q3 2025
Institutional positions in Arm Holdings PLC as of Sep 30, 2025. 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
- 659
- +8 vs. Q2 2025
- Shares held
- 74.8M
- −6.21M (−7.7%) vs. Q2 2025
- Total value
- $10.6B
- −$2.52B (−19.3%) vs. Q2 2025
- New holders
- 105
- 247 more added
- Sold out
- 97
- 179 more reduced
18 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | 961 | $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, Q3 2025
Shares, value and share of portfolio for each institution holding Arm Holdings PLC; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Green Square Capital Advisors LLC | 8,920 | $1.44M | 0.17% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 10,219 | $1.45M | 0.00% | −20,730−67.0% | Reduced |
| Federation des caisses Desjardins du Quebec | 10,257 | $1.45M | 0.01% | +752+7.9% | Added |
| Willner & Heller, LLC | 10,285 | $1.46M | 1.12% | +195+1.9% | Added |
| Steward Partners Investment Advisory, LLC | 10,295 | $1.46M | 0.01% | +604+6.2% | Added |
| Horizon Investments, LLC | 10,480 | $1.48M | 0.02% | +1,603+18.1% | Added |
| The PNC Financial Services Group, Inc. | 10,510 | $1.49M | 0.00% | −1,446−12.1% | Reduced |
| Rathbone Brothers plc | 10,552 | $1.49M | 0.01% | +70+0.7% | Added |
| National Philanthropic Trust | 11,000 | $1.56M | 0.02% | +11,000 | New |
| Oak Grove Capital LLC | 11,200 | $1.58M | 0.34% | −3,000−21.1% | Reduced |
| Ascent Wealth Partners, LLC | 11,557 | $1.64M | 0.19% | −3,776−24.6% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 10,431 | $1.66M | 0.00% | +1,448+16.1% | Added |
| NewEdge Wealth, LLC | 10,408 | $1.67M | 0.02% | −157−1.5% | Reduced |
| Captrust Financial Advisors | 11,804 | $1.67M | 0.00% | +1,572+15.4% | Added |
| Cresset Asset Management, LLC | 11,866 | $1.68M | 0.01% | +1,619+15.8% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 11,875 | $1.68M | 0.01% | +416+3.6% | Added |
| PFG Investments, LLC | 11,919 | $1.69M | 0.09% | −1,761−12.9% | Reduced |
| Marathon Trading Investment Management LLC | 11,939 | $1.69M | 0.72% | +11,939 | New |
| Stratos Wealth Partners, LTD. | 12,127 | $1.72M | 0.02% | +1,380+12.8% | Added |
| Scotia Capital Inc. | 12,219 | $1.73M | 0.01% | +2,998+32.5% | Added |
| Aft, Forsyth & Sober, LLC | 10,800 | $1.75M | 0.54% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 12,397 | $1.75M | 0.01% | +1,432+13.1% | Added |
| Kestra Advisory Services, LLC | 12,421 | $1.76M | 0.01% | +2,177+21.3% | Added |
| LMR Partners LLP | 12,460 | $1.76M | 0.02% | +6,898+124.0% | Added |
| Balyasny Asset Management LLC | 12,589 | $1.78M | 0.00% | +12,589 | New |
| HAP Trading, LLC | 12,630 | $1.79M | 0.49% | +12,630 | New |
| Wiley Bros.-Aintree Capital, LLC | 12,686 | $1.79M | 0.01% | +2,621+26.0% | Added |
| Quantum Private Wealth, LLC | 12,856 | $1.82M | 0.53% | +543+4.4% | Added |
| Rakuten Securities, Inc. | 12,888 | $1.82M | 0.67% | +2,020+18.6% | Added |
| Hoey Investments, Inc | 13,091 | $1.85M | 0.25% | −2,115−13.9% | Reduced |
| Integrated Wealth Concepts LLC | 13,713 | $1.94M | 0.02% | +3,653+36.3% | Added |
| Cerity Partners LLC | 13,728 | $1.95M | 0.00% | −7−0.1% | Reduced |
| Midwest Professional Planners, LTD. | 13,845 | $1.96M | 0.48% | +156+1.1% | Added |
| Blair William & Co | 13,871 | $1.96M | 0.01% | −3,446−19.9% | Reduced |
| Leonteq Securities AG | 14,136 | $2.00M | 0.11% | +6,573+86.9% | Added |
| Shelton Capital Management | 14,889 | $2.11M | 0.05% | 00.0% | Unchanged |
| Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna | 15,155 | $2.14M | 0.86% | −2,180−12.6% | Reduced |
| Profund Advisors LLC | 15,257 | $2.16M | 0.07% | −1,398−8.4% | Reduced |
| Aft, Forsyth & Company, Inc. | 15,423 | $2.18M | 1.05% | −310−2.0% | Reduced |
| Quantbot Technologies LP | 15,491 | $2.19M | 0.06% | +15,491 | New |
| Snowden Capital Advisors LLC | 15,615 | $2.21M | 0.06% | −97−0.6% | Reduced |
| Alerus Financial NA | 15,638 | $2.21M | 0.11% | +15,638 | New |
| iA Global Asset Management Inc. | 15,814 | $2.24M | 0.03% | +993+6.7% | Added |
| XTX Topco Ltd | 16,005 | $2.26M | 0.12% | −17,245−51.9% | Reduced |
| Verition Fund Management LLC | 16,397 | $2.32M | 0.01% | +13,315+432.0% | Added |
| Mizuho Markets Cayman LP | 16,553 | $2.34M | 0.20% | +4,631+38.8% | Added |
| Lazard Freres Gestion S.A.S. | 17,000 | $2.40M | 0.05% | +17,000 | Added |
| PKO Investment Management Joint-Stock Co | 17,000 | $2.41M | 0.21% | +17,000 | New |
| B. Metzler seel. Sohn & Co. AG | 17,203 | $2.43M | 0.02% | +2,000+13.2% | Added |
| Capital International Inc | 17,322 | $2.45M | 0.02% | +1,008+6.2% | Added |
| Independent Solutions Wealth Management, LLC | 17,748 | $2.51M | 0.45% | +679+4.0% | Added |
| Haven Capital Group, Inc. | 17,922 | $2.54M | 2.26% | −22−0.1% | Reduced |
| Advisory Services Network, LLC | 17,956 | $2.54M | 0.04% | −70.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 17,956 | $2.54M | 0.01% | +8,390+87.7% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 18,112 | $2.56M | 0.12% | −432−2.3% | Reduced |
| Equitable Holdings, Inc. | 18,287 | $2.59M | 0.02% | −25−0.1% | Reduced |
| 180 Wealth Advisors, LLC | 18,351 | $2.60M | 0.32% | +202+1.1% | Added |
| Robocap Asset Management Ltd | 18,497 | $2.62M | 1.67% | −8,350−31.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 18,539 | $2.62M | 0.02% | −18,608−50.1% | Reduced |
| Adams Wealth Management | 19,033 | $2.69M | 0.58% | −4,723−19.9% | Reduced |
| SG Americas Securities, LLC | 19,202 | $2.72M | 0.01% | −35,078−64.6% | Reduced |
| Chicago Capital, LLC | 19,411 | $2.75M | 0.07% | +3,679+23.4% | Added |
| SIH Partners, LLLP | 20,000 | $2.83M | 0.25% | +20,000 | New |
| D. E. Shaw & Co., Inc. | 20,150 | $2.85M | 0.00% | +20,150 | New |
| Guardian Capital LP | 20,185 | $2.86M | 0.09% | −296−1.4% | Reduced |
| CacheTech Inc. | 20,645 | $2.92M | 0.59% | −3,111−13.1% | Reduced |
| Tower View Investment Management & Research LLC | 21,253 | $3.01M | 1.56% | +444+2.1% | Added |
| Acadian Asset Management LLC | 21,711 | $3.07M | 0.01% | +9,354+75.7% | Added |
| Modus Advisors, LLC | 22,010 | $3.11M | 0.85% | +1,402+6.8% | Added |
| Mercer Global Advisors Inc | 25,362 | $3.15M | 0.01% | +25,362 | New |
| CIBC Asset Management Inc | 22,255 | $3.15M | 0.01% | 00.0% | Unchanged |
| Independent Financial Group, LLC | 22,987 | $3.25M | 0.08% | −189−0.8% | Reduced |
| Russell Investments Group, Ltd. | 23,480 | $3.32M | 0.00% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 23,514 | $3.33M | 0.01% | +207+0.9% | Added |
| Baker Chad R | 24,225 | $3.43M | 0.59% | +12,070+99.3% | Added |
| Sofos Investments, Inc. | 24,434 | $3.46M | 0.68% | +24,434 | New |
| Slow Capital, Inc. | 24,591 | $3.48M | 0.41% | +195+0.8% | Added |
| Mariner, LLC | 25,374 | $3.59M | 0.00% | −1,864−6.8% | Reduced |
| Harvest Fund Management Co., Ltd | 25,495 | $3.60M | 0.15% | +7,725+43.5% | Added |
| Capital International Ltd | 25,475 | $3.60M | 0.13% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 26,458 | $3.74M | 0.00% | −7,490−22.1% | Reduced |
| Rockefeller Capital Management L.P. | 26,572 | $3.76M | 0.01% | +3,347+14.4% | Added |
| GF Fund Management Co. Ltd. | 26,644 | $3.77M | 0.07% | 00.0% | Unchanged |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 26,973 | $3.82M | 0.00% | −49,521−64.7% | Reduced |
| Simplex Trading, LLC | 27,036 | $3.83M | 0.08% | +27,036 | New |
| Pinebridge Investments, L.P. | 27,937 | $3.95M | 0.03% | −15,754−36.1% | Reduced |
| USS Investment Management Ltd | 28,427 | $4.02M | 0.02% | 00.0% | Unchanged |
| Long Corridor Asset Management Ltd | 28,800 | $4.07M | 1.66% | +28,800 | New |
| GWM Advisors LLC | 29,921 | $4.23M | 0.02% | −1,931−6.1% | Reduced |
| HighTower Advisors, LLC | 30,528 | $4.32M | 0.00% | +1,227+4.2% | Added |
| Telligent Fund, LP | 32,000 | $4.53M | 3.87% | 00.0% | Unchanged |
| Blue Fin Capital, Inc. | 33,104 | $4.68M | 0.74% | +226+0.7% | Added |
| Covenant Asset Management, LLC | 33,128 | $4.69M | 0.88% | +301+0.9% | Added |
| Pinnacle Associates Ltd | 33,297 | $4.71M | 0.06% | −2,060−5.8% | Reduced |
| GAM Holding AG | 33,314 | $4.71M | 0.29% | +13,000+64.0% | Added |
| Group One Trading, L.P. | 33,495 | $4.74M | 0.14% | −153,638−82.1% | Reduced |
| National Bank of Canada | 34,562 | $4.89M | 0.01% | −5,847−14.5% | Reduced |
| Jackson Square Capital, LLC | 35,037 | $4.96M | 1.08% | −3,489−9.1% | Reduced |
| Walleye Capital LLC | 35,143 | $4.97M | 0.04% | +35,055+39,835.2% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 35,469 | $5.02M | 0.00% | −1,495−4.0% | Reduced |