Altimeter Capital Management, LP
Altimeter Capital Management, LP reported 20 US-listed holdings worth $9.83 billion in its 13F for the quarter ended 30 June 2026, filed 14 August 2026. Its largest: NVIDIA Corp. (19.2%), Cerebras Systems Inc. Com Class A (16.2%) and Meta Platforms, Inc. (7.8%). Against the quarter before, it opened 10 positions, added to 5, trimmed 3 and sold out of 3.
The 14 largest of its 20 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +45.5% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it did on the quarter
Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held
Opened 10
- Cerebras Systems Inc. Com Class A CBRS$1.60 billion
- Qualcomm Inc. QCOM$347.9 million
- Space Exploration Techn Corp. Class A Com STK SPCX$303.5 million
- Micron Technology Inc. MU$241.8 million
- Applied Materials Inc. AMAT$189.4 million
- KLA Corp. KLAC$174.5 million
- Lam Research Corp. LRCX$170.8 million
- Alphabet Inc. GOOGL$62.6 million
and 2 more in the table below
Added to 5
- Coreweave Inc. CRWV+1.6 million shares · +35%
- Amazon.com Inc. AMZN+335,793 shares · +16%
- Microsoft Corp. MSFT+84,450 shares · +7%
- Taiwan Semiconductor Manufacturing Company Limited TSM+63,680 shares · +5%
- NVIDIA Corp. NVDA+77,550 shares · +1%
Trimmed 3
- Meta Platforms, Inc. META-598,383 shares · -31%
- Uber Technologies, Inc. UBER-599,332 shares · -8%
- Arm Holdings plc ARM-73,468 shares · -4%
Sold out of 3
- Axon Enterprise, Inc. AXON$63.3 million last quarter
- Broadcom Inc. AVGO$20.8 million last quarter
- Grab Holdings Limited$262,650 last quarter
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| NVIDIA Corp. NVDA | 9.4M | $1.88 billion | 19.16% | +77.5K |
| Cerebras Systems Inc. Com Class A CBRS | 7.2M | $1.60 billion | 16.24% | new |
| Meta Platforms, Inc. META | 1.4M | $763.3 million | 7.76% | -598.4K |
| Taiwan Semiconductor Manufacturing Company Limited TSM | 1.4M | $682.6 million | 6.94% | +63.7K |
| Coreweave Inc. CRWV | 6.1M | $604.6 million | 6.15% | +1.6M |
| Arm Holdings plc ARM | 1.6M | $582.2 million | 5.92% | -73.5K |
| Amazon.com Inc. AMZN | 2.4M | $578.1 million | 5.88% | +335.8K |
| Uber Technologies, Inc. UBER | 7.4M | $532.0 million | 5.41% | -599.3K |
| Snowflake Inc. SNOW | 1.9M | $490.2 million | 4.99% | no change |
| Microsoft Corp. MSFT | 1.3M | $473.0 million | 4.81% | +84.5K |
| Qualcomm Inc. QCOM | 1.9M | $347.9 million | 3.54% | new |
| Space Exploration Techn Corp. Class A Com STK SPCX | 1.8M | $303.5 million | 3.09% | new |
| Micron Technology Inc. MU | 209.5K | $241.8 million | 2.46% | new |
| Applied Materials Inc. AMAT | 261.9K | $189.4 million | 1.93% | new |
| KLA Corp. KLAC | 578.2K | $174.5 million | 1.77% | new |
| Lam Research Corp. LRCX | 394.1K | $170.8 million | 1.74% | new |
| Robinhood Markets, Inc. HOOD | 899.7K | $90.2 million | 0.92% | no change |
| Alphabet Inc. GOOGL | 175.2K | $62.6 million | 0.64% | new |
| Synopsys Inc. SNPS | 140.3K | $62.6 million | 0.64% | new |
| Grab Holdings Limited GRABW | 3.5M | $150,586 | 0.00% | new |