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.
13F holders, Q1 2026
Institutional positions in ASTROTECH Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 16
- +3 vs. Q4 2025
- Shares held
- 113.0K
- +14.2K (+14.4%) vs. Q4 2025
- Total value
- $588.3K
- +$242.5K (+70.1%) vs. Q4 2025
- New holders
- 7
- 3 more added
- Sold out
- 4
- 1 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting ASTC on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 18 | $1.72M |
| Q1 2026 | 16 | $588.3K |
| Q4 2025 | 14 | $398.7K |
| Q3 2025 | 17 | $1.53M |
| Q2 2025 | 14 | $1.98M |
| Q1 2025 | 17 | $2.41M |
| Q4 2024 | 18 | $2.45M |
| Q3 2024 | 19 | $3.56M |
| Q2 2024 | 16 | $3.64M |
| Q1 2024 | 18 | $3.65M |
| Q4 2023 | 21 | $3.73M |
| Q3 2023 | 21 | $4.08M |
| Q2 2023 | 21 | $5.64M |
| Q1 2023 | 17 | $3.76M |
| Q4 2022 | 15 | $3.39M |
| Q3 2022 | 23 | $1.70M |
| Q2 2022 | 20 | $1.45M |
| Q1 2022 | 19 | $2.50M |
| Q4 2021 | 17 | $2.77M |
| Q3 2021 | 16 | $3.36M |
| Q2 2021 | 17 | $3.86M |
| Q1 2021 | 17 | $4.35M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding ASTROTECH Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Huntington National Bank | 1 | $1 | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 8 | $42 | 0.00% | +8 | New |
| SBI Securities Co., Ltd. | 13 | $68 | 0.00% | +10+333.3% | Added |
| Wells Fargo & Company | 20 | $104 | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 23 | $120 | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 200 | $1.05K | 0.00% | −703−77.9% | Reduced |
| Vanguard Global Advisers, LLC | 911 | $4.76K | 0.00% | +911 | New |
| Tower Research Capital LLC (TRC) | 2,260 | $11.8K | 0.00% | +1,746+339.7% | Added |
| Caitong International Asset Management Co., Ltd | 4,037 | $21.1K | 0.00% | +4,037 | New |
| Vanguard Fiduciary Trust Co | 4,339 | $22.7K | 0.00% | +4,339 | New |
| Vanguard Capital Management LLC | 9,205 | $48.1K | 0.00% | +9,205 | New |
| SCS Capital Management LLC | 11,761 | $61.5K | 0.00% | 00.0% | Unchanged |
| T3 Companies, LLC | 13,393 | $70.0K | 0.10% | +13,393 | New |
| Geode Capital Management, LLC | 19,347 | $101.2K | 0.00% | +567+3.0% | Added |
| BlackRock, Inc. | 20,188 | $105.6K | 0.00% | 00.0% | Unchanged |
| J. Safra Sarasin Holding AG | 27,300 | $140.0K | 0.00% | +27,300 | New |
| DRW Securities, LLC | 0 | $0 | 0.00% | −31,464−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −15,051−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −66−100.0% | Sold out |
| Citigroup Inc | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |