Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ASTC held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | J. Safra Sarasin Holding AG | 27K | $140K | β | 1.552% | 0.00% |
| 2 | BlackRock, Inc. | 20K | $106K | 0.0% | 1.148% | 0.00% |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | 19K | $101K | +3.0% | 1.100% | 0.00% |
| 4 | T3 Companies, LLC | 13K | $70K | β | 0.761% | 0.10% |
| 5 | SCS Capital Management LLC | 12K | $62K | 0.0% | 0.669% | 0.00% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 9K | $48K | β | 0.523% | 0.00% |
| 7 | VANGUARD FIDUCIARY TRUST CO | 4K | $23K | β | 0.247% | 0.00% |
| 8 | Caitong International Asset Management Co., Ltd | 4K | $21K | β | 0.230% | 0.00% |
| 9 | Tower Research Capital LLC (TRC) | 2K | $12K | +339.7% | 0.129% | 0.00% |
| 10 | Vanguard Global Advisers, LLC | 911 | $5K | β | 0.052% | 0.00% |
| 11 | UBS Group AG | 200 | $1K | -77.8% | 0.011% | 0.00% |
| 12 | Federation des caisses Desjardins du Quebec | 23 | $120 | 0.0% | 0.001% | 0.00% |
| 13 | WELLS FARGO & COMPANY/MN | 20 | $104 | 0.0% | 0.001% | 0.00% |
| 14 | SBI Securities Co., Ltd. | 13 | $68 | +333.3% | 0.001% | 0.00% |
| 15 | HARBOUR INVESTMENTS, INC. | 8 | $42 | β | 0.001% | 0.00% |
| 16 | HUNTINGTON NATIONAL BANK | 1 | $1 | 0.0% | 0.000% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in ASTC β a direct measure of their conviction.
Filings activity in ASTC during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 16 | +23% | 1.76% | +0.89 pp | $1M | +103% |
| Q4 2025 | 13 | 19% | 0.87% | 3.55 pp | $0M | 80% |
| Q3 2025 | 16 | +0.0% | 4.42% | 1.49 pp | $1M | 25% |
| Q2 2025 | 16 | 11% | 5.91% | 1.28 pp | $2M | 18% |
| Q1 2025 | 18 | 5.3% | 7.19% | 0.14 pp | $2M | 1.9% |
| Q4 2024 | 19 | 5.0% | 7.33% | 3.32 pp | $2M | 31% |
| Q3 2024 | 20 | +11% | 10.65% | 1.75 pp | $4M | 14% |
| Q2 2024 | 18 | β | 12.40% | β | $4M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ASTC stock.
Based on Q1 2026 13F filings, institutional ownership of Astrotech Corporation stands at 1.8%, held across 16 reporting institutions.
J. Safra Sarasin Holding AG is the largest reported institutional holder of ASTC, with approximately 27,300 shares worth $0.00B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of ASTC.
Our composite Smart Money Score for ASTC is 47 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
7 institutions opened new positions in ASTC during Q1 2026, while 4 fully exited. 7 added to existing positions and 1 trimmed.
ASTC institutional ownership rose by 0.89 percentage points quarter-over-quarter, with a net change of +3 holders.
The top 10 institutions account for 99.8% of all reported 13F value in ASTC, and the top 25 account for 100.0%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Astrotech Corporation (ASTC) Institutional Ownership