# ASTROTECH CORP (ASTC)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ASTC/

- Reporting holders: 17
- Reported value: $1.8M
- Shares held by institutions: 183,032 of 1,758,953 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [JANE STREET GROUP, LLC](https://holderbook.com/funds/1595888-jane-street-group-llc/) | $597.6K | 54,799 | 0.0% | 1 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $243.8K | 22,356 | 0.0% | 2 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $241.4K | 22,136 | 0.0% | 1 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $220.2K | 20,188 | 0.0% | 8 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $169.4K | 15,533 | 0.0% | 15 |
| [J. Safra Sarasin Holding AG](https://holderbook.com/funds/1890222-j-safra-sarasin-holding-ag/) | $140.0K | 27,300 | 0.0% | 2 |
| [SCS Capital Management LLC](https://holderbook.com/funds/1303159-scs-capital-management-llc/) | $120.0K | 11,000 | 0.0% | 6 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $86.8K | 7,956 | 0.0% | 2 |
| [JONES FINANCIAL COMPANIES LLLP](https://holderbook.com/funds/815917-jones-financial-companies-lllp/) | $8.2K | 886 | 0.0% | 1 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $7.3K | 667 | 0.0% | 15 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $840 | 77 | 0.0% | 1 |
| [UBS Group AG](https://holderbook.com/funds/1610520-ubs-group-ag/) | $698 | 64 | 0.0% | 8 |
| [Federation des caisses Desjardins du Quebec](https://holderbook.com/funds/2022297-federation-des-caisses-desjardins-du-quebec/) | $251 | 23 | 0.0% | 15 |
| [WELLS FARGO & COMPANY/MN](https://holderbook.com/funds/72971-wells-fargo-company-mn/) | $218 | 20 | 0.0% | 15 |
| [HARBOUR INVESTMENTS, INC.](https://holderbook.com/funds/810121-harbour-investments-inc/) | $120 | 11 | 0.0% | 2 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $109 | 10 | 0.0% | 7 |
| [Caitong International Asset Management Co., Ltd](https://holderbook.com/funds/1963355-caitong-international-asset-management-co-ltd/) | $65 | 6 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 17 | $1.8M |
| Q1 2026 | 15 | $588.4K |
| Q4 2025 | 13 | $398.7K |
| Q3 2025 | 16 | $1.5M |
| Q2 2025 | 13 | $2.0M |
| Q1 2025 | 16 | $2.4M |
| Q4 2024 | 17 | $2.5M |
| Q3 2024 | 18 | $3.6M |
| Q2 2024 | 15 | $3.6M |
| Q1 2024 | 16 | $3.6M |
| Q4 2023 | 19 | $3.7M |
| Q3 2023 | 19 | $4.1M |