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SEC Form 13F · Q2 2026
Altimeter Capital portfolio
Brad Gerstner · Altimeter Capital Management, LP · CIK 0001541617
Latest 13F for the quarter ended Jun 30, 2026, filed Aug 14, 2026, compared with the quarter ended Mar 31, 2026.
Altimeter also runs a hedge fund that can hedge or short, and private growth funds. This filing shows only US-listed long positions, so it does not show net market exposure, which Gerstner said in September 2026 he had cut from large to medium. (as of Sep 25, 2026)
Reported 13F value$9.8B
Holdings20
Top 10 concentration83.3%
New positions10
Added to5
Reduced3
Closed3
What changed in Q2 2026
Estimated trade value from reported units and period-end values
New positions
Added to
Reduced
Closed
Holdings, Q2 2026
20 positions by reported value
| Holding | Portfolio weight | Reported value | Shares / units | Change vs prior quarter |
|---|---|---|---|---|
| NVDANVIDIA CORPORATION · COM | 19.16% | $1.9B | 9,413,589 | +0.8% |
| 15675D103CEREBRAS SYSTEMS INC · COM CL A | 16.24% | $1.6B | 7,225,037 | New |
| METAMETA PLATFORMS INC · CL A | 7.76% | $763.3M | 1,354,990 | -30.6% |
| TSMTAIWAN SEMICONDUCTOR MFG LTD · SPONSORED ADS | 6.94% | $682.6M | 1,429,355 | +4.7% |
| CRWVCOREWEAVE INC · COM CL A | 6.15% | $604.6M | 6,073,695 |
Source: SEC Form 13F filings (latest filing on sec.gov). Information and analytics, not investment advice. Holdings are reported as of the quarter end, not live positions; reported 13F value covers securities listed on Form 13F and is not the fund's total assets under management.