Altimeter Capital Management, LP
SuperinvestorAltimeter Capital
- SEC CIK
- 0001541617
- Manager
- Brad Gerstner
- Style
- Growth
ARM holding history
ARM HOLDINGS PLC /UK
Every 13F filing in which Altimeter Capital reported holding ARM, plus the quarters it sold out. Changes compare share counts with the previous calendar quarter.
ARM overviewAll 13F holders of ARMFull portfolio
| Quarter | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Q2 2026 | 1,641,972 | $582.19M | 5.92% | −73,468−4.3% | Reduced |
| Q1 2026 | 1,715,440 | $259.51M | 4.55% | +1,715,440 | New |
| Q4 2025 | 0 | $0 | 0.00% | −1,098,139−100.0% | Sold out |
| Q3 2025 | 1,098,139 | $155.38M | 2.05% | +164,931+17.7% | Added |
| Q2 2025 | 933,208 | $150.94M | 2.18% | +757,608+431.4% | Added |
| Q1 2025 | 175,600 | $18.75M | 0.38% | +175,600 | New |