NorthRock Partners LLC Boosts Lockheed Martin Stake

Investment firm increases holding in aerospace and defense giant by over 200%

Mar. 14, 2026 at 10:18am

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NorthRock Partners LLC has significantly increased its stake in Lockheed Martin Corporation (NYSE:LMT), according to the firm's latest 13F filing with the SEC. The investment management company lifted its position in the aerospace and defense company by 206.7% during the third quarter, now owning 9,874 shares worth $4.9 million.

Why it matters

Lockheed Martin is one of the world's largest defense contractors, with a diverse portfolio spanning military aircraft, missile systems, space technologies and more. The increase in NorthRock's position suggests the firm sees continued growth potential in Lockheed's business, even as the stock has already risen significantly over the past year.

The details

According to the 13F filing, NorthRock Partners added 6,655 shares of Lockheed Martin to its portfolio during the third quarter, bringing its total holdings to 9,874 shares. This represents a 206.7% increase in the firm's position. NorthRock cited Lockheed's strong financial performance and promising outlook for its various defense and aerospace programs as reasons for the increased investment.

  • NorthRock Partners LLC filed its 13F report for the third quarter of 2025 on March 14, 2026.

The players

NorthRock Partners LLC

An investment management firm that provides wealth management and advisory services to individuals and institutions.

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

NorthRock Partners' significant increase in its Lockheed Martin holdings suggests the firm sees continued upside potential in the defense contractor's stock, even as it has already appreciated substantially over the past year. This reflects broader investor confidence in Lockheed's diversified business and ability to capitalize on defense spending trends.