ASTROTECH Corp (ASTC) Institutional Ownership

Ownership Summary

ASTROTECH Corp (NASDAQ:ASTC) currently has 17 active institutional owners and shareholders as of today (September 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• The percentage of ASTROTECH owned by institutions changed from 20.2% in June 2025 to 17.8% in September 2025, marking a slight down trend.
• On a quarter-over-quarter basis, institutional holdings shifted by -7.36%, with a year-over-year a decrease of 10.53% in the count of filers.
• During the quarter, 6 institutions bought more ASTROTECH shares, 3 sold shares, and 8 of the 17 total investors held their position steady.
• The total number of shares held by institutions in ASTROTECH decreased to 313.67K as of September 2025, a net change of down by 24.93K shares quarter on quarter, and down 130.09K shares year over year.
• As of September 30, 2025, BML Capital Management, LLC held ASTROTECH's largest shareholding position with over 220.41K shares, representing 12.53% of total outstanding shares.
• Among the most significant buyers of ASTROTECH during September 2025 were DRW Securities, LLC (11.72K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (3.18K), Tower Research Capital LLC (TRC) (153), BARCLAYS PLC (3), WELLS FARGO & COMPANY/MN (2).
• Leading sellers of ASTROTECH stock in September 2025 included VANGUARD GROUP INC (38.88K), UBS Group AG (1.11K), BANK OF AMERICA CORP /DE/ (1).
• The top 10 institutional holders of ASTROTECH for the quarter ending September 2025 included BML Capital Management, LLC (220.41K), BlackRock, Inc. (20.19K), GEODE CAPITAL MANAGEMENT, LLC (18.78K), VANGUARD GROUP INC (14.77K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (13.54K), SCS Capital Management LLC (11.76K), DRW Securities, LLC (11.72K), UBS Group AG (1.90K), Tower Research Capital LLC (TRC) (404), BANK OF AMERICA CORP /DE/ (114).