Palantir Technologies Inc. has acquired a 7.4% stake in Surf Air Mobility.

The news came via an 8-K filing with the SEC after today’s close of trading.

Plantir acquired 8,248,989 shares as of June 24, 2026.

Based on 110,994,594 shares of common stock outstanding, as stated by the Issuer in a prospectus supplement filed on June 26, 2026, that gives the technology company a 7.4% interest.

Palantir and Surf Air announced an expanded partnership earlier this week.

Palantir’s Commercial Head Ted Mabrey said, “With Foundry and AIP powering SurfOS, we see a clear opportunity to build and define the central operating system for the future of aviation and air mobility, and our expanded commitment reflects our conviction in Surf Air Mobility and the opportunity ahead.”

Last week, Surf Air said it had signed Wheels Up as its first enterprise subscriber for its BrokerOS platform.

The Delta Air Lines-backed flight provider has been seeking to expand its off-fleet charter business.

It is the fourth-largest U.S. operator based on charter and fractional flight hours.

READ: Private Aviation M&A Deal Book

Ken Griffin Citadel

Citadel Advisors LLC, Citadel Advisors Holdings LP, and Citadel GP LLC acquired the 6,909,862 shares per an April SEC filing.

That represented a 7.1% stake at the time.

Billionaire Ken Griffin runs Citadel.

Griffin is ranked #37 on the Forbes list with a net worth of $49.9 billion.

Palantir Technologies Inc. has a current market cap of $301.4 billion.

Earlier today, Surf Air announced a pair of transactions aimed at reducing debt payments and strengthening its balance sheet.

SRFM closed trading today at $1.04.

It has a market cap of $115.4 million.