Astronics Corp (ATRO) Institutional Ownership

Ownership Summary

A total of 9 institutions have reported a stake in Astronics Corp (NASDAQ:ATRO) as of December 2025, according to recent 13F filings with the SEC.

• The percentage of Astronics owned by institutions changed from 81.5% in September 2025 to 0.6% in December 2025, marking a slight down trend.
• The company experienced a 16.73% quarterly change in institutional shares held, alongside a decrease of 94.12% in total owners annually.
• The latest 13F cycle for Astronics reveals that of 9 total investors, 5 funds grew their exposure, whereas 2 reduced theirs and 2 made no changes.
• The total number of shares held by institutions in Astronics increased to 207.55K as of December 2025, a net change of up by 29.75K shares quarter on quarter, and down 23.81Mn shares year over year.
• With 78.75K shares, NORDEA INVESTMENT MANAGEMENT AB commands the largest institutional position in Astronics as of December 31, 2025, equating to 0.22% of the company.
• Among the most significant buyers of Astronics during December 2025 were SG Americas Securities, LLC (42.02K), Diversified Trust Co (4.12K), KFA Private Wealth Group, LLC (3.80K), GAMMA Investing LLC (103), MassMutual Private Wealth & Trust, FSB (2).
• Leading sellers of Astronics stock in December 2025 included NORDEA INVESTMENT MANAGEMENT AB (13.43K), Assenagon Asset Management S.A. (6.86K).
• The top 9 institutional holders of Astronics for the quarter ending December 2025 included NORDEA INVESTMENT MANAGEMENT AB (78.75K), Assenagon Asset Management S.A. (77.79K), SG Americas Securities, LLC (42.02K), Diversified Trust Co (4.12K), KFA Private Wealth Group, LLC (3.80K), GAMMA Investing LLC (574), Versant Capital Management, Inc (333), MassMutual Private Wealth & Trust, FSB (80), True Wealth Design, LLC (78).