20 institutions reported holding $588,302 of ASTROTECH CORP (ASTC) in SEC 13F filings for 2026-03-31. Largest institutional holders: J. Safra Sarasin Holding AG ($140,049), BlackRock, Inc. ($105,583), GEODE CAPITAL MANAGEMENT, LLC ($101,200), T3 Companies, LLC ($70,045), SCS Capital Management LLC ($61,510). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | J. Safra Sarasin Holding AG | $140,049 | 27,300 | New |
| 2 | BlackRock, Inc. | $105,583 | 20,188 | Hold |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $101,200 | 19,347 | Added |
| 4 | T3 Companies, LLC | $70,045 | 13,393 | New |
| 5 | SCS Capital Management LLC | $61,510 | 11,761 | Hold |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $48,142 | 9,205 | New |
| 7 | VANGUARD FIDUCIARY TRUST CO | $22,693 | 4,339 | New |
| 8 | Caitong International Asset Management Co., Ltd | $21,114 | 4,037 | New |
| 9 | Tower Research Capital LLC (TRC) | $11,820 | 2,260 | Added |
| 10 | Vanguard Global Advisers, LLC | $4,765 | 911 | New |
| 11 | UBS Group AG | $1,046 | 200 | Trimmed |
| 12 | Federation des caisses Desjardins du Quebec | $120 | 23 | Hold |
| 13 | WELLS FARGO & COMPANY/MN | $104 | 20 | Hold |
| 14 | SBI Securities Co., Ltd. | $68 | 13 | Added |
| 15 | HARBOUR INVESTMENTS, INC. | $42 | 8 | New |
| 16 | HUNTINGTON NATIONAL BANK | $1 | 1 | Hold |
| 17 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 18 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
| 19 | CITIGROUP INC | $0 | 0 | Exited |
| 20 | DRW Securities, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31