SG Americas Securities Boosts Stake in Archer Aviation

Investment firm increases holdings in electric aircraft startup by over 3,300%

Mar. 29, 2026 at 9:10am

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SG Americas Securities LLC significantly increased its stake in Archer Aviation Inc. (NYSE: ACHR) during the fourth quarter, acquiring an additional 1.9 million shares to bring its total holdings to nearly 2 million shares worth $14.8 million, according to a recent SEC filing.

Why it matters

Archer Aviation is a prominent electric vertical take-off and landing (eVTOL) aircraft startup based in the San Francisco Bay Area, making it an interesting investment for institutional investors betting on the future of urban air mobility. SG Americas Securities' large increase in its Archer position suggests growing institutional confidence in the company's prospects.

The details

According to the 13F filing, SG Americas Securities raised its stake in Archer Aviation by 3,316.5% during the fourth quarter, acquiring an additional 1,913,035 shares. The investment firm now owns 1,970,717 shares, or about 0.30% of the company's outstanding stock.

  • SG Americas Securities filed its 13F report for the fourth quarter of 2025 on March 29, 2026.
  • The firm increased its Archer Aviation holdings during the three-month period ending December 31, 2025.

The players

Archer Aviation Inc.

A California-based aerospace company developing electric vertical take-off and landing (eVTOL) aircraft for urban air mobility.

SG Americas Securities LLC

An investment management firm and subsidiary of Société Générale that provides a range of financial services, including institutional equity and fixed income sales, trading, and research.

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The takeaway

SG Americas Securities' significant increase in its Archer Aviation holdings suggests growing institutional confidence in the electric aircraft startup's prospects, as investors look to capitalize on the emerging urban air mobility market.