ASTROTECH Corp (ASTC) Institutional Ownership Changes & 13F Activity
ASTROTECH Corp (ASTC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Jane Street Group, Llc, T3 Companies, Llc, Vanguard Capital Management Llc, State Street Corp, and Caitong International Asset Management Co., Ltd.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| State Street Corp | Buy | +11,068 | — | 11,068 | $120.70K | Q2 2026 | Sep 22, 2026 |
| Jane Street Group, Llc | Buy | +54,799 | — | 54,799 | $597.58K | Q2 2026 | Aug 14, 2026 |
| Jones Financial Companies Lllp | Buy | +886 | — | 886 | $8.25K | Q2 2026 | Aug 14, 2026 |
| Vanguard Capital Management Llc | Buy | +13,151 | +142.9% | 22,356 | $243.79K | Q2 2026 | Aug 13, 2026 |
| Vanguard Fiduciary Trust Co | Buy | +3,617 | +83.4% | 7,956 | $86.76K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -136 | -68.0% | 64 | $698.00 | Q2 2026 | Aug 13, 2026 |
| Morgan Stanley | Buy | +77 | — | 77 | $840.00 | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -3,814 | -19.7% | 15,533 | $169.42K | Q2 2026 | Aug 12, 2026 |
| Harbour Investments, Inc. | Buy | +3 | +37.5% | 11 | $120.00 | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Sell | -1,593 | -70.5% | 667 | $7.27K | Q2 2026 | Aug 11, 2026 |
| Scs Capital Management Llc | Sell | -761 | -6.5% | 11,000 | $119.95K | Q2 2026 | Aug 06, 2026 |
| Caitong International Asset Management Co., Ltd | Sell | -4,031 | -99.9% | 6 | $65.00 | Q2 2026 | Aug 05, 2026 |
| Sbi Securities Co., Ltd. | Sell | -3 | -23.1% | 10 | $109.00 | Q2 2026 | Jul 23, 2026 |
| Vanguard Global Advisers, Llc | Sell | -911 | -100.0% | 0 | $0.00 | Q2 2026 | May 08, 2026 |
| T3 Companies, Llc | Sell | -13,393 | -100.0% | 0 | $0.00 | Q2 2026 | May 07, 2026 |
Frequently asked questions about ASTC activity
Which institutional owners are buying ASTC?
Institutional owners buying ASTC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in ASTC activity?
"Buy" means an investor increased their reported position in ASTC compared to the prior reporting period. This reflects growing exposure to ASTROTECH Corp (ASTC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in ASTC increasing?
Institutional interest in ASTC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related ASTC Institutional Insights
- ASTC Overview
- ASTC 13F Institutional Holders
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- Technology Sector Institutional Ownership
- Technology Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
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- ASTC Insider Trading & SEC Form 4 Activity
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