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ASTROTECH Corp

ASTC
Exchange
Nasdaq
Industry
Laboratory Analytical Instruments
SEC CIK
0001001907

In the last 90 days, ASTROTECH Corp insiders filed 1 open-market purchase and 0 sales; 18 institutions reported holding it in 13F filings for Q2 2026, worth $1.72M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding ASTROTECH Corp changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of ASTC: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders1714−3
Shares313.7K113.6K−200.1K (−63.8%)
Value$1.53M$398.7K−$1.14M (−74.0%)

New holders (1)

Institutions that held ASTROTECH Corp at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to ASTC in Q4 2025
InstitutionSharesValue% of portfolio
Citadel Advisors LLC15,051$53.9K0.00%

Sold out (4)

Institutions that held ASTROTECH Corp at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of ASTC in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
BML Capital Management, LLC220,410$1.08M
Susquehanna International Group, LLP13,539$65.5K
Harbour Investments, Inc.33$162
Barclays PLC3$15