18 institutions reported holding $1.7M of ASTROTECH CORP (ASTC) in SEC 13F filings for 2026-06-30. Largest institutional holders: JANE STREET GROUP, LLC ($597,583), VANGUARD GROUP INC ($330,552), BlackRock, Inc. ($220,150), GEODE CAPITAL MANAGEMENT, LLC ($169,423), J. Safra Sarasin Holding AG ($140,049). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | $597,583 | 54,799 | New |
| 2 | VANGUARD GROUP INC | $330,552 | 30,312 | Added |
| 3 | BlackRock, Inc. | $220,150 | 20,188 | Hold |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $169,423 | 15,533 | Trimmed |
| 5 | J. Safra Sarasin Holding AG | $140,049 | 27,300 | Hold |
| 6 | STATE STREET CORP | $120,697 | 11,068 | New |
| 7 | SCS Capital Management LLC | $119,955 | 11,000 | Trimmed |
| 8 | JONES FINANCIAL COMPANIES LLLP | $8,249 | 886 | New |
| 9 | Tower Research Capital LLC (TRC) | $7,274 | 667 | Trimmed |
| 10 | MORGAN STANLEY | $840 | 77 | New |
| 11 | UBS Group AG | $698 | 64 | Trimmed |
| 12 | Federation des caisses Desjardins du Quebec | $251 | 23 | Hold |
| 13 | WELLS FARGO & COMPANY/MN | $218 | 20 | Hold |
| 14 | HARBOUR INVESTMENTS, INC. | $120 | 11 | Added |
| 15 | SBI Securities Co., Ltd. | $109 | 10 | Trimmed |
| 16 | Caitong International Asset Management Co., Ltd | $65 | 6 | Trimmed |
| 17 | HUNTINGTON NATIONAL BANK | $1 | 1 | Hold |
| 18 | T3 Companies, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-06-30