Altimeter Capital is an American investment firm based in Boston, Massachusetts and Menlo Park, California.^[2] The firm focuses on technology investments in both public and private markets globally.

In 2008, Brad Gerstner founded Altimeter Capital in Boston, Massachusetts.^[3] It was launched with less than $3 million from Gerstner's friends and family during the financial crisis of 2008.^[3][4] Prior to that, Gerstner worked at PAR Capital Management as well as General Catalyst.^[5]

A month after the launch of Altimeter Capital, an office was opened in Menlo Park, California.^[3]

In 2013, Altimeter Capital closed its first venture capital fund at $75 million.^[2]

In September 2020, Altimeter Growth Corp was listed on the Nasdaq (Ticker: AGC) raising $450 million. AGC is a SPAC which is a blank-check company. In April 2021 it was announced that AGC would merge with Singapore ridesharing company, Grab to help it list on Nasdaq under the ticker, GRAB.^[6][7]

In January 2021, a second SPAC, Altimeter Growth Corporation 2 was listed on New York Stock Exchange (Ticker: AGCB) raising $450 million.^[8][9] It was terminated early in December 2022 due to its inability to secure a suitable merger deal.^[9]

For public markets, Altimeter Capital manages a long / short public equity fund that invests in technology companies.^[10] The public equity fund is noted for its strong performance, averaging annual returns of 29.52% since 2011.^[10]

For private markets, Altimeter Capital manages private growth equity funds that invest in both early and later stage technology companies. Its first private fund was closed in 2013.^[2]