Astrotech ASTC Institutional Ownership

NASDAQ ASTC

$7.46 -0.14 (-1.84%)

At close: Sep 9, 2026 · 4:00 PM EDT

Institutions by Trading Activity

17 Institutions

Increased 7 41.2%

Unchanged 4 23.5%

Reduced 6 35.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

10.25%

▲+3.52 pp QoQ

Shares Held by Institutions

171.96K

of 1.68Mn outstanding

▲+74.23% QoQ

Shares Outstanding

1.68Mn

1.51Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+2 vs prior quarter

Net Shares Added (QoQ)

+73.26K

accumulated since last quarter

Value of Holdings

$1.27Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

ASTROTECH Corp (NASDAQ:ASTC) showed up in the 13F filings of 17 institutional investors as of June 2026.

Collectively, these holders controlled 10.3% of Astrotech's outstanding shares in June 2026, up from 6.7% in March 2026.
Their total shares held in ASTC increased 74.23% from the prior quarter, while the number of investors in Astrotech increased 13.33% year over year.
Of these 17 holders, 7 added to their stakes in Astrotech, 6 trimmed positions, and 4 made no changes.
Institutional investors collectively held 171.96K shares in Astrotech as of June 2026, up by 73.26K shares quarter on quarter, and down 170.26K shares year over year.
JANE STREET GROUP, LLC is the top holder of Astrotech as of June 30, 2026, with 54.8K shares representing 3.27% of outstanding stock.
Leading buyers of Astrotech shares for the quarter ending June 2026 were JANE STREET GROUP, LLC (54.8K), VANGUARD CAPITAL MANAGEMENT LLC (13.15K), State Street Corp (11.07K), VANGUARD FIDUCIARY TRUST CO (3.62K), JONES FINANCIAL COMPANIES LLLP (886).
The biggest sellers of Astrotech for the quarter ending June 2026 included Caitong International Asset Management Co., Ltd (4.03K), GEODE CAPITAL MANAGEMENT, LLC (3.81K), Tower Research Capital LLC (TRC) (1.59K), SCS Capital Management LLC (761), UBS Group AG (136).
According to Business Quant data, leading holders of ASTC for June 2026 are JANE STREET GROUP, LLC (54.8K), J. Safra Sarasin Holding AG (27.3K), VANGUARD CAPITAL MANAGEMENT LLC (22.36K), BlackRock, Inc. (20.19K), GEODE CAPITAL MANAGEMENT, LLC (15.53K), State Street Corp (11.07K), SCS Capital Management LLC (11.0K), VANGUARD FIDUCIARY TRUST CO (7.96K), JONES FINANCIAL COMPANIES LLLP (886), Tower Research Capital LLC (TRC) (667).

Form 13F Holdings

17 Institutional Holders

Report period 30 Jun, 2026

Total shares held 171.96K

Of outstanding 10.25%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	JANE STREET GROUP, LLC	0001595888	54,799	3.27%	▲54,799	0.00%	$597.58K
2	J. Safra Sarasin Holding AG	0001890222	27,300	1.63%	0	0.00%	$140.05K
3	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	22,356	1.33%	▲13,151	+142.87%	$243.79K
4	BlackRock, Inc.	0002012383	20,188	1.20%	0	0.00%	$220.15K
5	GEODE CAPITAL MANAGEMENT, LLC	0001214717	15,533	0.93%	▼3,814	-19.71%	$169.42K
6	State Street Corp	0000093751	11,068	0.66%	▲11,068	0.00%	$120.70K
7	SCS Capital Management LLC	0001303159	11,000	0.66%	▼761	-6.47%	$119.96K
8	VANGUARD FIDUCIARY TRUST CO	0000933478	7,956	0.47%	▲3,617	+83.36%	$86.76K
9	JONES FINANCIAL COMPANIES LLLP	0000815917	886	0.05%	▲886	0.00%	$8.25K
10	Tower Research Capital LLC (TRC)	0001533421	667	0.04%	▼1,593	-70.49%	$7.27K
11	Morgan Stanley	0000895421	77	0.00%	▲77	0.00%	$840
12	UBS Group AG	0001610520	64	0.00%	▼136	-68.00%	$698
13	Federation des caisses Desjardins du Quebec	0002022297	23	0.00%	0	0.00%	$251
14	Wells Fargo & Company/Mn	0000072971	20	0.00%	0	0.00%	$218
15	HARBOUR INVESTMENTS, INC.	0000810121	11	0.00%	▲3	+37.50%	$120
16	SBI Securities Co., Ltd.	0001851815	10	0.00%	▼3	-23.08%	$109
17	Caitong International Asset Management Co., Ltd	0001963355	6	0.00%	▼4,031	-99.85%	$65