AUSTIN, TX
ASTROTECH CORPASTC— Latest position per institution from SEC 13F filings
15
Institutional holders
627.47K
Total shares held
4.02M
Estimated value
31.37K
Avg. position size
BML CAPITAL MANAGEMENT, LLC
CIK 1616824
Shares
220.41K
Value
1.08M
Filed
Sep 30, 2025
ACUITAS INVESTMENTS, LLC
CIK 1524828
Shares
60.03K
Value
484.16K
Filed
Sep 30, 2024
JANE STREET GROUP, LLC
CIK 1595888
Shares
54.80K
Value
597.58K
Filed
Jun 30, 2026
FNY INVESTMENT ADVISERS, LLC
CIK 1742998
Shares
34K
Value
255.00
Filed
Sep 30, 2026
DRW SECURITIES, LLC
CIK 1481986
Shares
31.46K
Value
108.86K
Filed
Dec 31, 2025
J. SAFRA SARASIN HOLDING AG
CIK 1890222
Shares
27.30K
Value
140.05K
Filed
Sep 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
22.36K
Value
243.79K
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
20.19K
Value
220.15K
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
20.19K
Value
179.67K
Filed
Jun 30, 2024
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
15.53K
Value
169.42K
Filed
Jun 30, 2026
CITADEL ADVISORS LLC
CIK 1423053
Shares
15.05K
Value
53.88K
Filed
Dec 31, 2025
VANGUARD GROUP INC
CIK 102909
Shares
14.77K
Value
52.89K
Filed
Dec 31, 2025
DIMENSIONAL FUND ADVISORS LP
CIK 354204
Shares
13.76K
Value
79.46K
Filed
Jun 30, 2025
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 1446194
Shares
13.54K
Value
65.53K
Filed
Sep 30, 2025
T3 COMPANIES, LLC
CIK 2052441
Shares
13.39K
Value
70.05K
Filed
Mar 31, 2026
EDGE CAPITAL GROUP, LLC
CIK 1767220
Shares
11.76K
Value
79.03K
Filed
Dec 31, 2024
STATE STREET CORP
CIK 93751
Shares
11.07K
Value
120.70K
Filed
Jun 30, 2026
SCS CAPITAL MANAGEMENT LLC
CIK 1303159
Shares
11K
Value
119.95K
Filed
Jun 30, 2026
MARQUETTE ASSET MANAGEMENT, LLC
CIK 1395067
Shares
8.89K
Value
71.04K
Filed
Sep 30, 2024
VANGUARD FIDUCIARY TRUST CO
CIK 933478
Shares
7.96K
Value
86.76K
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | BML CAPITAL MANAGEMENT, LLC | 1616824 | 220.41K | 1.08M | Sep 30, 2025 |
| 2 | ACUITAS INVESTMENTS, LLC | 1524828 | 60.03K | 484.16K | Sep 30, 2024 |
| 3 | JANE STREET GROUP, LLC | 1595888 | 54.80K | 597.58K | Jun 30, 2026 |
| 4 | FNY INVESTMENT ADVISERS, LLC | 1742998 | 34K | 255.00 | Sep 30, 2026 |
| 5 | DRW SECURITIES, LLC | 1481986 | 31.46K | 108.86K | Dec 31, 2025 |
| 6 | J. SAFRA SARASIN HOLDING AG | 1890222 | 27.30K | 140.05K | Sep 30, 2026 |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 22.36K | 243.79K | Jun 30, 2026 |
| 8 | BLACKROCK, INC. | 2012383 | 20.19K | 220.15K | Jun 30, 2026 |
| 9 | BLACKROCK FINANCE, INC. | 1364742 | 20.19K | 179.67K | Jun 30, 2024 |
| 10 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 15.53K | 169.42K | Jun 30, 2026 |
| 11 | CITADEL ADVISORS LLC | 1423053 | 15.05K | 53.88K | Dec 31, 2025 |
| 12 | VANGUARD GROUP INC | 102909 | 14.77K | 52.89K | Dec 31, 2025 |
| 13 | DIMENSIONAL FUND ADVISORS LP | 354204 | 13.76K | 79.46K | Jun 30, 2025 |
| 14 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1446194 | 13.54K | 65.53K | Sep 30, 2025 |
| 15 | T3 COMPANIES, LLC | 2052441 | 13.39K | 70.05K | Mar 31, 2026 |
| 16 | EDGE CAPITAL GROUP, LLC | 1767220 | 11.76K | 79.03K | Dec 31, 2024 |
| 17 | STATE STREET CORP | 93751 | 11.07K | 120.70K | Jun 30, 2026 |
| 18 | SCS CAPITAL MANAGEMENT LLC | 1303159 | 11K | 119.95K | Jun 30, 2026 |
| 19 | MARQUETTE ASSET MANAGEMENT, LLC | 1395067 | 8.89K | 71.04K | Sep 30, 2024 |
| 20 | VANGUARD FIDUCIARY TRUST CO | 933478 | 7.96K | 86.76K | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.