ASTROTECH Corp - Common Stock, $0.001 par value (ASTC) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2022 to Q3 2025

Type / Class
Equity / Common Stock, $0.001 par value
Symbol
ASTC on Nasdaq
Shares outstanding
1,747,593
Price per share
$4.06
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
313,664
Total reported value
$1,534,145
% of total 13F portfolios
0%
Share change
-28,337
Value change
-$149,369
Number of holders
16
Price from insider filings
$4.06
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of ASTROTECH Corp - Common Stock, $0.001 par value (ASTC) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Skylark Partners I, LP 5.4% $268,954 94,370 Skylark Partners I, LP 29 Sep 2025

As of 30 Sep 2025, 16 institutional investors reported holding 313,664 shares of ASTROTECH Corp - Common Stock, $0.001 par value (ASTC). This represents 18% of the company’s total 1,747,593 outstanding shares.

Top 17 Institutional Shareholders

The largest institutional shareholders of ASTROTECH Corp - Common Stock, $0.001 par value (ASTC) together control 18% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BML Capital Management, LLC 13% 220,410 0% 0.99% $1,080,009
BlackRock, Inc. 1.2% 20,188 0% 0% $98,921
GEODE CAPITAL MANAGEMENT, LLC 1.1% 18,780 0% 0% $90,910
VANGUARD GROUP INC 0.85% 14,774 -72% 0% $71,506
SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.77% 13,539 0% $65,529
SCS Capital Management LLC 0.67% 11,761 0% 0% $57,629
DRW Securities, LLC 0.67% 11,717 0% $57,413
UBS Group AG 0.11% 1,898 -37% 0% $9,300
Tower Research Capital LLC (TRC) 0.02% 404 +61% 0% $1,980
BANK OF AMERICA CORP /DE/ 0.01% 114 -0.87% 0% $559
HARBOUR INVESTMENTS, INC. 0% 33 0% 0% $162
Federation des caisses Desjardins du Quebec 0% 23 0% 0% $113
WELLS FARGO & COMPANY/MN 0% 16 +14% 0% $79
BARCLAYS PLC 0% 3 0% $15
SBI Securities Co., Ltd. 0% 3 0% 0% $15
CITIGROUP INC 0% 1 0% $5
DIMENSIONAL FUND ADVISORS LP 0% 0 -100% $0

Institutional Holders of ASTROTECH Corp - Common Stock, $0.001 par value (ASTC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 313,664 $1,534,145 -$149,369 $4.90 16
2025 Q2 342,001 $1,975,073 -$189,056 $5.78 13
2025 Q1 371,214 $2,405,487 +$117,021 $6.48 16
2024 Q4 364,889 $2,452,077 -$647,400 $6.72 17
2024 Q3 443,752 $3,562,577 +$291,971 $8.00 18
2024 Q2 407,601 $3,639,846 -$13,271 $8.91 15
2024 Q1 409,111 $3,645,907 -$59,860 $8.94 17
2023 Q4 414,946 $3,731,946 +$114,949 $8.49 20
2023 Q3 403,912 $4,078,234 +$44,656 $10.10 20
2023 Q2 398,118 $5,638,372 +$640,535 $14.16 20
2023 Q1 352,157 $3,755,107 +$121,972 $10.66 16
2022 Q4 339,666 $3,392,946 +$1,191,050 $9.99 13