Institutional Holders (2026 Q1)
743 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in ARM. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Renaissance Capital LLC | 9.01% | 59,145 | $12.4M |
| 2 | Hyperion Asset Management Ltd | 7.71% | 1,598,537 | $241.8M |
| 3 | Lansdowne Partners (uk) LLP | 7.58% | 935,503 | $141.5M |
| 4 | Tensor Edge Capital, LLC | 7.53% | 289,461 | $43.8M |
| 5 | Alphabet Inc. | 7.39% | 1,960,784 | $296.6M |
| 6 | Tran Capital Management, L.P. | 5.67% | 272,907 | $41.3M |
| 7 | Defender Capital, LLC. | 5.31% | 98,940 | $15.0M |
| 8 | CTC Alternative Strategies, Ltd. | 5.27% | 15,346 | $2.3M |
| 9 | Analog Century Management LP | 4.99% | 691,364 | $104.6M |
| 10 | Mark Asset Management LP | 4.85% | 351,641 | $53.2M |
| 11 | Robocap Asset Management Ltd | 4.62% | 28,579 | $4.3M |
| 12 | Altimeter Capital Management, LP | 4.55% | 1,715,440 | $259.5M |
| 13 | Berkshire Capital Holdings Inc | 4.39% | 80,450 | $12.2M |
| 14 | Morgens Waterfall Vintiadis & Co Inc | 3.73% | 20,000 | $3.0M |
| 15 | Connective Capital Management, LLC | 3.58% | 28,652 | $4.3M |
| 16 | Dock Street Asset Management Inc | 3.42% | 214,885 | $32.5M |
| 17 | Longitude (Cayman) Ltd. | 3.41% | 55,000 | $8.3M |
| 18 | Robeco Schweiz AG | 3.22% | 1,007,404 | $152.4M |
| 19 | Talos Eurisko Asset Management LP | 3.13% | 121,200 | $18.3M |
| 20 | Sustainable Growth Advisers, LP | 2.86% | 2,007,159 | $303.6M |
| 21 | Gunderson Capital Management LLC | 2.85% | 45,029 | $6.8M |
| 22 | United Capital Management of KS, Inc. | 2.63% | 114,976 | $17.4M |
| 23 | Incline Global Management LLC | 2.58% | 43,422 | $6.6M |
| 24 | Westend Capital Management, LLC | 2.44% | 53,699 | $8.1M |
| 25 | Lagoda Investment Management, L.P. | 2.43% | 26,085 | $3.9M |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|