SG Americas Securities Boosts Huntington Ingalls Industries Stock Position

Investment firm increases stake in major U.S. military shipbuilder by over 600%

Mar. 29, 2026 at 9:10am

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A photorealistic studio still life featuring a polished metal ship's hull model, a compass, and leather-bound naval logbooks, conveying the precision and strategic importance of military shipbuilding.A conceptual still life highlighting the precision engineering and strategic importance of Huntington Ingalls' military shipbuilding work.Newport News Today

SG Americas Securities LLC significantly increased its position in shares of Huntington Ingalls Industries, Inc. (NYSE:HII), the largest military shipbuilding company in the U.S., by 640.5% during the fourth quarter. The firm now owns 37,588 shares of the aerospace company's stock worth $12.78 million.

Why it matters

Huntington Ingalls Industries is a key defense contractor and one of the largest employers in the state of Virginia. The company's financial performance and stock price are closely watched by investors as an indicator of the overall health of the U.S. military industrial complex.

The details

According to a recent SEC filing, SG Americas Securities boosted its stake in Huntington Ingalls by adding 32,512 shares during the fourth quarter of 2025. The firm now owns approximately 0.10% of the company's outstanding shares. Other major institutional investors have also been adjusting their positions in HII, with some increasing and others decreasing their holdings.

  • SG Americas Securities increased its Huntington Ingalls stake in the fourth quarter of 2025.
  • Huntington Ingalls reported its Q4 2025 earnings on February 5, 2026.

The players

Huntington Ingalls Industries, Inc.

America's largest military shipbuilding company and a leading provider of professional services to the U.S. government. The company designs, constructs and maintains nuclear-powered aircraft carriers, submarines and other complex vessels for the U.S. Navy.

SG Americas Securities LLC

An investment management firm that provides a range of financial services, including equity research, sales and trading, and investment banking.

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The takeaway

The significant increase in SG Americas Securities' stake in Huntington Ingalls Industries suggests the investment firm sees strong long-term potential in the leading U.S. military shipbuilder, which could signal broader confidence in the defense industry's outlook.