SG Americas Securities Boosts Southwest Airlines Stake

Investment firm increases holdings in airline by over 2,400%

Mar. 24, 2026 at 10:38am

Got story updates? Submit your updates here. ›

SG Americas Securities LLC significantly increased its stake in Southwest Airlines Co. (NYSE: LUV) during the fourth quarter, purchasing an additional 3,606,255 shares to bring its total holdings to 3,752,352 shares, or 0.73% of the airline's stock. The investment firm's position in Southwest Airlines grew by 2,468.4% compared to the previous quarter.

Why it matters

This large increase in ownership by SG Americas Securities signals the firm's confidence in Southwest Airlines' long-term prospects. As one of the largest low-cost carriers in the U.S., Southwest's performance is closely watched by investors and analysts as an indicator of broader trends in the airline industry.

The details

According to the company's SEC filing, SG Americas Securities purchased the additional 3,606,255 shares of Southwest Airlines during the fourth quarter, bringing its total stake in the company to $155,085,000. This represents a significant increase from the firm's previous position of just 146,097 shares.

  • SG Americas Securities increased its Southwest Airlines stake during the fourth quarter of 2025.

The players

SG Americas Securities LLC

An investment management firm that significantly increased its stake in Southwest Airlines Co. during the fourth quarter of 2025.

Southwest Airlines Co.

A major U.S. low-cost airline headquartered in Dallas, Texas.

Got photos? Submit your photos here. ›

The takeaway

SG Americas Securities' substantial investment in Southwest Airlines suggests the firm sees strong long-term potential in the airline, which could signal positive momentum for the broader industry as it continues to recover from the impacts of the COVID-19 pandemic.