SG Americas Securities LLC Boosts Lockheed Martin Stake

Investment firm increases holding in aerospace and defense giant by over 7,000%

Mar. 24, 2026 at 10:38am

SG Americas Securities LLC significantly increased its stake in Lockheed Martin Corporation (NYSE:LMT) during the fourth quarter, according to a recent filing with the Securities and Exchange Commission. The firm's holding in the aerospace and defense company grew by over 7,300%, reaching 262,233 shares worth $126.8 million.

Why it matters

Lockheed Martin is one of the world's largest defense contractors, with a diverse portfolio of military aircraft, missile systems, and space technologies. The substantial increase in SG Americas Securities' position suggests the firm sees strong potential in Lockheed Martin's business and future growth prospects.

The details

According to the filing, SG Americas Securities LLC purchased an additional 258,694 shares of Lockheed Martin during the fourth quarter, growing its total stake by 7,309.8%. The firm now owns approximately 0.11% of Lockheed Martin's outstanding shares.

  • SG Americas Securities LLC increased its Lockheed Martin stake during the fourth quarter of 2025.

The players

SG Americas Securities LLC

An investment firm that significantly increased its stake in Lockheed Martin Corporation.

Lockheed Martin Corporation

A global aerospace and defense company that designs, develops, and manufactures advanced technology systems for government and commercial customers.

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The takeaway

The substantial increase in SG Americas Securities' Lockheed Martin position suggests the firm sees strong growth potential in the defense contractor's business, underscoring the company's importance as a leading player in the aerospace and defense industry.