SEC 13F Intelligence

ASTCASTROTECH CORP

CUSIP 046484309 · Yahoo Finance ↗ · Google Finance ↗

Astrotech Corp (ASTC) has 15 institutional holders in Filings Flow’s 13F database, together reporting 113.0K shares worth $588,301 as of Q1 2026. The largest reported holders are Bml Capital Management, LLC, J. Safra Sarasin Holding AG, and Drw Securities, LLC.

Institutional Holders
15
Q1 2026
Reported Value
$588,301
Ticker
ASTC
Quarters Tracked
4

Ownership Trend

Institutional holders
Q4 ’22: 8Q4 ’22Q4 ’25: 13Q4 ’25Q1 ’26: 15Q1 ’26Q2 ’26: 1Q2 ’26filingsflow.com
Total reported value
Q4 ’22: $2MQ4 ’22Q4 ’25: $398,735Q4 ’25Q1 ’26: $588,301Q1 ’26Q2 ’26: $104Q2 ’26filingsflow.com

Holders

Mixed quarters
Manager% of PortfolioValueSharesQuarter
BML Capital Management, LLC$156M AUM0.99%$1M220.4KQ3 2025OLDER
Caitong International Asset Management Co., Ltd$541M AUM0.00%$21,1144.0KQ1 2026OLDER
DRW Securities, LLC$7.2B AUM0.00%$108,86531.5KQ4 2025OLDER
J. Safra Sarasin Holding AG$5.9B AUM0.00%$140,04927.3KQ1 2026OLDER
SCS Capital Management LLC$9.4B AUM0.00%$61,51011.8KQ1 2026OLDER
Tower Research Capital LLC (TRC)$3.8B AUM0.00%$11,8202.3KQ1 2026OLDER
CITADEL ADVISORS LLC$618.5B AUM0.00%$53,88315.1KQ4 2025OLDER
SUSQUEHANNA INTERNATIONAL GROUP, LLP$893.3B AUM0.00%$65,52913.5KQ3 2025OLDER
GEODE CAPITAL MANAGEMENT, LLC$1.61T AUM0.00%$101,20019.3KQ1 2026OLDER
VANGUARD FIDUCIARY TRUST CO$396.1B AUM0.00%$22,6934.3KQ1 2026OLDER
Vanguard Global Advisers, LLC$186.5B AUM0.00%$4,765911Q1 2026OLDER
SBI Securities Co., Ltd.$3.6B AUM0.00%$6813Q1 2026OLDER
BlackRock, Inc.$5.72T AUM0.00%$105,58320.2KQ1 2026OLDER
VANGUARD CAPITAL MANAGEMENT LLC$4.04T AUM0.00%$48,1429.2KQ1 2026OLDER
VANGUARD GROUP INC$6.90T AUM0.00%$52,89114.8KQ4 2025OLDER
HARBOUR INVESTMENTS, INC.$6.5B AUM0.00%$428Q1 2026OLDER
Federation des caisses Desjardins du Quebec$27.8B AUM0.00%$12023Q1 2026OLDER
UBS Group AG$666.3B AUM0.00%$1,046200Q1 2026OLDER
WELLS FARGO & COMPANY/MN$530.3B AUM0.00%$10420Q2 2026
BANK OF AMERICA CORP /DE/$1.37T AUM0.00%$22966Q4 2025OLDER
CITIGROUP INC$234.5B AUM0.00%$216Q4 2025OLDER
BARCLAYS PLC$416.3B AUM0.00%$153Q3 2025OLDER

Holdings are reported up to 45 days after quarter end. Share counts are as filed and not adjusted for stock splits.