Altimeter Capital
Brad Gerstner · CIK 0001541617 · latest 13F for 2026-06-30 filed 2026-08-14
Estimated from 13F holdings — long US equities only; follow-the-filing returns are net of an assumed 10 bps per unit of turnover.
About the fund
Altimeter Capital is a technology-focused investment firm founded by Brad Gerstner in 2008. The firm operates a crossover model, investing in both public and private markets, and is known for its concentrated, fundamental-driven approach to technology investing.
Investment approach
Altimeter employs a crossover investment model, treating public and private markets as a single pool of capital. The firm focuses on technology, utilizing a concentrated, fundamental-driven approach where it makes high-conviction bets rather than following index weights. It actively invests in both early and later-stage private companies and manages a long/short public equity hedge fund, often positioning itself around major technological themes like artificial intelligence.
History
Altimeter Capital was founded by Brad Gerstner in 2008 during the global financial crisis with initial capital from friends and family. The firm gained early recognition for its successful investments in online travel companies and later achieved a major venture capital success with its early investment in Snowflake. Over time, it has evolved into a prominent technology-focused crossover firm, managing both public and private market investments.
Notable positions & campaigns
- Snowflake2015 — Led Series C investment in 2015; stake was worth $4.4 billion at IPO.
- Meta Platforms2022 — Published an open letter, Time to Get Fit, urging the company to reduce headcount and limit metaverse spending.
- United Continental Holdings2016 — Pressured the company to change its board of directors due to poor performance.
- Grab2021 — SPAC merger to take the company public.
Profile generated 2026-10-09 from public sources; may be incomplete or out of date.
- Founded by
- Brad Gerstner
- Founded
- 2008
- HQ
- Menlo Park, United States
- Reported AUM
- $18.8bn (as of October 2026)
- Website
- altimeter.com
Management
- Brad GerstnerFounder & CEO
- John Kiernan IIIChief Financial Officer/Partner
- Matthew TolveGeneral Counsel / Managing Partner
- Meghan Kathleen ReynoldsHead of Capital Formation / Managing Partner
- Anne Fraser HancockChief Compliance Officer and Deputy General Counsel
Holdings heatmap
Latest 13F (2026-06-30): top 20 positions grouped by sector, sized by weight, coloured by the change in weight since the previous 13F.
Holdings map
Each tile is a position, sized by reported value and coloured by the stock's own price return (red down, green up) — the LiquidRound / finviz-style map.
Copy portfolio vs SPY
Growth of $1 following each filing the trading day after it was filed.
Top holdings
Latest 13F (2026-06-30).
| # | Ticker | Value | Weight |
|---|---|---|---|
| 1 | NVDA | $1.9B | 19.2% |
| 2 | CBRS | $1.6B | 16.2% |
| 3 | META | $763M | 7.8% |
| 4 | TSM | $683M | 6.9% |
| 5 | CRWV | $605M | 6.2% |
| 6 | ARM | $582M | 5.9% |
| 7 | AMZN | $578M | 5.9% |
| 8 | UBER | $532M | 5.4% |
| 9 | SNOW | $490M | 5.0% |
| 10 | MSFT | $473M | 4.8% |
| 11 | QCOM | $348M | 3.5% |
| 12 | SPCX | $304M | 3.1% |
| 13 | MU | $242M | 2.5% |
| 14 | AMAT | $189M | 1.9% |
| 15 | KLAC | $174M | 1.8% |
| 16 | LRCX | $171M | 1.7% |
| 17 | HOOD | $90M | 0.9% |
| 18 | GOOGL | $63M | 0.6% |
| 19 | SNPS | $63M | 0.6% |
| 20 | — | $150,586 | 0.0% |
Sector mix
Top-25 holdings by weight.
Changes this quarter
| Move | Ticker | Prev wt | Now wt |
|---|---|---|---|
| new | CBRS | 0.0% | 16.2% |
| trimmed | META | 19.6% | 7.8% |
| trimmed | UBER | 10.1% | 5.4% |
| new | QCOM | 0.0% | 3.5% |
| new | SPCX | 0.0% | 3.1% |
| added | MSFT | 7.7% | 4.8% |
| new | MU | 0.0% | 2.5% |
| new | AMAT | 0.0% | 1.9% |
| new | KLAC | 0.0% | 1.8% |
| added | AMZN | 7.6% | 5.9% |
| new | LRCX | 0.0% | 1.7% |
| exited | AXON | 1.1% | 0.0% |
| new | GOOGL | 0.0% | 0.6% |
| new | SNPS | 0.0% | 0.6% |
| exited | AVGO | 0.4% | 0.0% |
| added | CRWV | 6.1% | 6.2% |
| exited | — | 0.0% | 0.0% |
| new | — | 0.0% | 0.0% |
Quarterly copy returns
Each 13F held from the day after filing until the next filing.
| 13F period | Copy | SPY | Alpha | Coverage |
|---|---|---|---|---|
| 2026-06-30 | -3.5% | +0.4% | -3.9% | 100% |
| 2026-03-31 | +7.8% | +4.9% | +2.9% | 100% |
| 2025-12-31 | +7.1% | +7.9% | -0.9% | 97% |
| 2025-09-30 | -9.0% | +3.4% | -12.4% | 97% |
| 2025-06-30 | -2.1% | +3.7% | -5.8% | 94% |
| 2025-03-31 | +20.2% | +8.6% | +11.6% | 91% |
| 2024-12-31 | -3.1% | -2.5% | -0.5% | 92% |
| 2024-09-30 | +19.3% | +4.7% | +14.6% | 96% |
| 2024-06-30 | +3.8% | +6.2% | -2.4% | 94% |
| 2024-03-31 | +1.3% | +4.9% | -3.7% | 94% |
| 2023-12-31 | -12.2% | +5.6% | -17.8% | 94% |
| 2023-09-30 | +39.7% | +12.1% | +27.6% | 91% |
| 2023-06-30 | +11.5% | +1.9% | +9.6% | 90% |
| 2023-03-31 | -0.9% | +7.1% | -7.9% | 92% |
| 2022-12-31 | +5.1% | +0.7% | +4.4% | 92% |
| 2022-09-30 | +12.5% | +4.4% | +8.1% | 93% |
Filing dates
- 2026-08-1413F-HR for 2026-06-30 · $9.8B · 20 rows
- 2026-05-1513F-HR for 2026-03-31 · $5.7B · 13 rows
- 2026-02-1713F-HR for 2025-12-31 · $6.7B · 18 rows
- 2025-11-1413F-HR for 2025-09-30 · $7.6B · 23 rows
- 2025-08-1413F-HR for 2025-06-30 · $6.9B · 18 rows
- 2025-05-1513F-HR for 2025-03-31 · $5.0B · 22 rows
- 2025-02-1413F-HR for 2024-12-31 · $5.5B · 24 rows
- 2024-11-1413F-HR for 2024-09-30 · $6.8B · 23 rows
- 2024-08-1413F-HR for 2024-06-30 · $6.7B · 20 rows
- 2024-05-1513F-HR for 2024-03-31 · $6.5B · 17 rows
- 2024-02-1413F-HR for 2023-12-31 · $6.0B · 11 rows
- 2023-11-1413F-HR for 2023-09-30 · $5.3B · 11 rows
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