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Hedge fund · Long-only 13F filer
Altimeter Capital Management
$9.8B+$4.1B vs prior 13FUS long stock positions · not assets under managementSEC EDGAR · 13F-HR · filed 14 August 2026
Altimeter Capital Management's latest 13F filing covers the quarter ended 30 June 2026 and was filed 14 August 2026 (45 days after quarter end): 20 disclosed US-listed positions — $9.8 billion in long stock. Ten new buys, one add, one trim and three exits against the prior quarter. Holdings are up to 45 days old by the time they clear EDGAR.
Portfolio · vs S&P 500Altimeter Capital ManagementS&P 500
Sept 2025Altimeter Capital Management +30% · S&P: +12%
The line rebuilds Altimeter Capital Management's disclosed 13F holdings at each filing and holds them to the next, tracked against the S&P 500 where daily price history overlaps. Long US equity only — an illustrative read, not an audited return.
S&P 500 overlay: Finazon · prior-day close, most closes dollar-rounded at the source
Portfolio · vs S&P 500Altimeter Capital ManagementS&P 500
Sept 2024Altimeter Capital Management +46% · S&P from Sept 2025: +12%
The line rebuilds Altimeter Capital Management's disclosed 13F holdings at each filing and holds them to the next, tracked against the S&P 500 where daily price history overlaps. Long US equity only — an illustrative read, not an audited return.
S&P 500 overlay: Finazon · prior-day close, most closes dollar-rounded at the source
Long stock value$9.8B
Positions20
Top holdingNVDA · 19.2%
Top sectorTechnology 66%
New buys · Q2 202610
Exits · Q2 20263
Portfolio reconstructed from SEC EDGAR 13F filings · values as reported · as of Q2 2026
Rows sharing a company name are separate securities of the same issuer — different share classes or option positions, as filed.
Sector allocation
Technology66%
Other / unclassified16%
Communication Services8%
Consumer Cyclical6%
Industrials3%
Financial Services1%
Holdings by sector
Technology carries the largest share of disclosed value, at 66%.
Technology66%
AMAT · ARM · CRWV · GOOGL · KLAC · LRCX · MSFT · MU · NVDA · QCOM · SNOW · SNPS · TSM · UBER
Other / unclassified16%
GRABW
Communication Services8%
META
Consumer Cyclical6%
AMZN
Industrials3%
SPCX
Financial Services1%
HOOD
What is Altimeter Capital Management's biggest holding?+
As of the quarter ended 30 June 2026, the largest disclosed position was NVDA (NVIDIA CORPORATION), about 19.2% of the disclosed US-listed portfolio by reported value.
What did Brad Gerstner's Altimeter Capital Management buy in Q2 2026?+
10 new positions were disclosed for the quarter ended 30 June 2026; the largest were CEREBRAS SYSTEMS INC, QCOM, SPCX. Adds and trims are listed in the quarterly-changes table on this page.
How concentrated is the portfolio?+
Fairly concentrated. The top five positions are 56% of disclosed value and the top ten are 83%.
When is Altimeter Capital Management's next 13F due?+
13F filings for the quarter ended 30 September 2026 are due by 16 November 2026 — managers have 45 days after each calendar quarter ends. Whether Altimeter Capital Management files is up to the manager; we show whatever EDGAR receives.
Does this show the whole portfolio?+
No. Form 13F covers US-listed long equity and some options only — no short bets, bonds, cash, private businesses, non-US holdings or timing inside the quarter. Amended filings replace originals; this page always shows the latest canonical version.