Altimeter Capital Management

Q1 2026Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed August 14, 2026), Brad Gerstner's Altimeter Capital Management reported 19 stock positions worth $9.8 billion. Its top holding was Nvidia (NVDA) at 19.2% of the portfolio, followed by Cerebras Systems Class A (CBRS, 16.2%) and Meta Platforms Class A (META, 7.8%). Compared with Q1 2026, it opened 9 new positions, sold out of 2, added to 5 and reduced 3. The biggest buy was a new position in Cerebras Systems Class A (CBRS) and the biggest sale Meta Platforms Class A (META, shares −31%).

Most Recent 13F: Q2 2026
Notable People: Brad Gerstner
Location: MENLO PARK, CA
CIK: 0001541617
Portfolio Value: $9.8B (Q2 2026)
SEC Filing: 0001541617-26-000008 ↗ filed Aug 14, 2026

Holdings Value

Holdings 19 stocks · $9.8B


NVDA Nvidia Corp.	19.16%	9,413,589	$1.9B	Add +0.8%
CBRS Cerebras Systems Inc. Class A	16.24%	7,225,037	$1.6B	New
META Meta Platforms Inc. Class A	7.76%	1,354,990	$763.3M	Reduce -30.6%
TSM Taiwan Semiconductor-SP ADR	6.94%	1,429,355	$682.6M	Add +4.7%
CRWV Coreweave Inc. Class A	6.15%	6,073,695	$604.6M	Add +35.0%
ARM Arm Holdings PLC-ADR	5.92%	1,641,972	$582.2M	Reduce -4.3%
AMZN Amazon.com Inc.	5.88%	2,425,351	$578.1M	Add +16.1%
UBER Uber Technologies Inc.	5.41%	7,372,440	$532.0M	Reduce -7.5%
SNOW Snowflake Inc.	4.99%	1,926,250	$490.2M	No change
MSFT Microsoft Corp.	4.81%	1,268,082	$473.0M	Add +7.1%
QCOM Qualcomm Inc.	3.54%	1,882,490	$347.9M	New
SPCX Space Exploration Techn Class A	3.09%	1,776,485	$303.5M	New
MU Micron Technology Inc.	2.46%	209,520	$241.8M	New
AMAT Applied Materials Inc.	1.93%	261,950	$189.4M	New
KLAC KLA Corp.	1.77%	578,230	$174.5M	New
LRCX Lam Research Corp.	1.74%	394,080	$170.8M	New
HOOD Robinhood Markets Inc. Class A	0.92%	899,691	$90.2M	No change
GOOGL Alphabet Inc. Class A	0.64%	175,180	$62.6M	New
SNPS Synopsys Inc.	0.64%	140,343	$62.6M	New

Other holdings (1): bonds, preferreds, convertibles and warrants · $151K (not counted above)

Security	Class	Shares / Principal	Value	Change
GRABW Grab Holdings Ltd.-CW 26	*W EXP 99/99/999	3,502,000	$151K	New

Total filed on the 13F, all lines: $9.8B.

Portfolio Sells Q1 2026 → Q2 2026


META Meta Platforms Inc. Class A	Reduce -30.6%	7.76%	−11.85
UBER Uber Technologies Inc.	Reduce -7.5%	5.41%	−4.65
AXON Axon Enterprise Inc.	Sold out	0.00%	−1.11
AVGO Broadcom Inc.	Sold out	0.00%	−0.36
ARM Arm Holdings PLC-ADR	Reduce -4.3%	5.92%	+1.37

Portfolio Buys Q1 2026 → Q2 2026


CBRS Cerebras Systems Inc. Class A	New	16.24%	+16.24
QCOM Qualcomm Inc.	New	3.54%	+3.54
SPCX Space Exploration Techn Class A	New	3.09%	+3.09
MU Micron Technology Inc.	New	2.46%	+2.46
AMAT Applied Materials Inc.	New	1.93%	+1.93
KLAC KLA Corp.	New	1.77%	+1.77
LRCX Lam Research Corp.	New	1.74%	+1.74
GOOGL Alphabet Inc. Class A	New	0.64%	+0.64
SNPS Synopsys Inc.	New	0.64%	+0.64
CRWV Coreweave Inc. Class A	Add +35.0%	6.15%	+0.03
TSM Taiwan Semiconductor-SP ADR	Add +4.7%	6.94%	−1.15
AMZN Amazon.com Inc.	Add +16.1%	5.88%	−1.76
MSFT Microsoft Corp.	Add +7.1%	4.81%	−2.88
NVDA Nvidia Corp.	Add +0.8%	19.16%	−9.41

Notes & Other Activity Q1 2026 → Q2 2026


AGCWW Altimeter Growth Corp. -CW25	*W EXP 09/30/202	Sold out	3,502,000	$263Kbefore exit
GRABW Grab Holdings Ltd.-CW 26	*W EXP 99/99/999	New	3,502,000	$151K

Bonds, preferreds, convertibles and warrants; not part of the stock holdings or percentages above.

All Filings

Quarter	Positions	13F Reported Value	Top Holdings
Q2 2026	19	$9.8B	NVDA, CBRS, META, TSM, CRWV
Q1 2026	12	$5.7B	NVDA, META, UBER, TSM, MSFT
Q4 2025	17	$6.7B	NVDA, META, MSFT, AMZN, UBER
Q3 2025	22	$7.6B	NVDA, META, MSFT, SNOW, UBER
Q2 2025	17	$6.9B	META, NVDA, SNOW, UBER, MSFT
Q1 2025	21	$5.0B	META, NVDA, QQQ, SNOW, UBER
Q4 2024	23	$5.5B	META, NVDA, SNOW, MSFT, UBER
Q3 2024	22	$6.8B	META, UBER, SNOW, NVDA, MSFT
Q2 2024	19	$6.7B	SNOW, META, UBER, NVDA, MSFT
Q1 2024	16	$6.5B	SNOW, META, UBER, NVDA, MSFT