ASTC
ASTROTECH (ASTC)
NASDAQ
$38.75-$6.75 (-14.84%)
Price as of Jun 03, 2026 7:59 PM EDT
  • $87.6M
    Market Cap
  • 684.48%
    1-Year Change
  • Scientific & Technical Instruments
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
EDGE ADVISORS, LLC
6.47%
113,741
0 (0.00%)
Jun 30, 2018
TWO SIGMA ADVISERS, LLC
4.50%
79,100
+79,100 (+100.00%)
Dec 31, 2021
J. SAFRA SARASIN HOLDING AG
1.55%
27,300
+27,300 (+100.00%)
Mar 31, 2026
MILLENNIUM MANAGEMENT LLC
1.18%
20,830
+20,830 (+100.00%)
Mar 31, 2022
BLACKROCK INC.
1.15%
20,188
0 (0.00%)
Jun 30, 2024
BLACKROCK, INC.
1.15%
20,188
0 (0.00%)
Mar 31, 2026
GEODE CAPITAL MANAGEMENT, LLC
1.10%
19,347
+567 (+2.93%)
Mar 31, 2026

Current Ownership Distribution

  • Mutual Funds20.7M (53.58%)
  • Institutions12.7M (32.79%)
  • Insiders5.3M (13.64%)
  • Other0 (0.00%)

Insider Transactions

  • 13.64% (5.3M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 1
    Number of InsiderSelling (last 12 months)
  • $1.6M
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Stober Eric
Award
Apr 14, 2026
$0.00
6,006
$0.00
16,337
MCFARLAND ROBERT N
Award
Apr 14, 2026
$0.00
6,006
$0.00
19,906
Leonard Braden Michael
Sell
Oct 03, 2025
$1.6M
220,410
$7.13
0
Leonard Braden Michael
Sell
Oct 03, 2025
$53,437.78
9,166
$5.83
0
Canas Jennifer
Chief Financial Officer
Award
May 22, 2025
$0.00
5,250
$0.00
5,250
Hinojosa Jaime
CFO
Award
Aug 28, 2024
$0.00
8,860
$0.00
30,062
Pickens Thomas Boone III
CEO
Award
Aug 28, 2024
$0.00
25,310
$0.00
102,269