Astronics Corp (ATRO) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, Astronics Corp (NASDAQ:ATRO) is held by 259 institutional firms.

• Institutional ownership in Astronics edged up to 85.6% in December 2025, compared to 81.5% in September 2025.
• Institutional share ownership changed by 10.06% QoQ, while the number of institutional owners saw an increase of 69.28% YoY.
• Of these 259 institutional investors, 154 increased their holdings in Astronics, while 73 of them reduced positions, and 32 investors maintained their exposure.
• This class of investors increased its holdings in Astronics to 30.65Mn shares for the 13F-cycle ending December 2025, up by 2.80Mn shares quarter on quarter, and up 6.64Mn shares year over year.
• As of December 31, 2025, BlackRock, Inc. held Astronics's largest shareholding position with over 2.80Mn shares, representing 7.82% of total outstanding shares.
• Among the most significant buyers of Astronics during December 2025 were AMERICAN CENTURY COMPANIES INC (1.23Mn), UBS Group AG (1.04Mn), BlackRock, Inc. (532.28K), Point72 Asset Management, L.P. (497.26K), Capital International Investors (442.89K).
• Leading sellers of Astronics stock in December 2025 included 325 CAPITAL LLC (1.29Mn), Luxor Capital Group, LP (702.09K), ACK Asset Management LLC (632.53K), Schonfeld Strategic Advisors LLC (440.61K), D. E. Shaw & Co., Inc. (388.64K).
• The top 10 institutional holders of Astronics for the quarter ending December 2025 included BlackRock, Inc. (2.80Mn), VANGUARD GROUP INC (1.98Mn), Capital International Investors (1.85Mn), STATE STREET CORP (1.83Mn), AMERICAN CENTURY COMPANIES INC (1.76Mn), UBS Group AG (1.10Mn), NEXT CENTURY GROWTH INVESTORS LLC (1.07Mn), GEODE CAPITAL MANAGEMENT, LLC (756.39K), DRIEHAUS CAPITAL MANAGEMENT LLC (666.50K), DIMENSIONAL FUND ADVISORS LP (639.74K).