ASTROTECH Corp (ASTC) Institutional Ownership

Institutions by Trading Activity

1,676,000Shares Outstanding

113,005Shares held by institutions

$2,859,027Value of institutional holdings

6.74%Institutional ownership %

116.52%Shares Changed QoQ

15No. of institutional investors

ASTROTECH Corp (NASDAQ:ASTC) has 13 institutional investors with active 13F positions as of December 2025.

They owned 6.8% of outstanding stock in December 2025, down from 18.8% the prior quarter.
They increased total shares held in Astrotech by 42.31% from last quarter, and the number of investors in ASTC decreased 27.78% annually.
Of these 13 holders, 5 added to their stakes in Astrotech, 2 trimmed positions, and 6 made no changes.
The aggregate institutional position in Astrotech amounted to 113.55K shares as of December 2025, up by 33.76K shares quarter on quarter, and down 251.56K shares year over year.
As of December 31, 2025, J. Safra Sarasin Holding AG held the largest stake in Astrotech with 27.3K shares, accounting for 1.63% of total shares outstanding.
The most significant purchases of ASTC for the quarter ending December 2025 came from J. Safra Sarasin Holding AG (27.3K), T3 Companies, LLC (13.39K), VANGUARD CAPITAL MANAGEMENT LLC (9.2K), VANGUARD FIDUCIARY TRUST CO (4.34K), Caitong International Asset Management Co., Ltd (4.04K).
The largest sales of ASTC for the quarter ending December 2025 came from UBS Group AG (703).
According to Business Quant data, leading holders of ASTC for December 2025 are J. Safra Sarasin Holding AG (27.3K), BlackRock, Inc. (20.19K), GEODE CAPITAL MANAGEMENT, LLC (19.35K), T3 Companies, LLC (13.39K), SCS Capital Management LLC (11.76K), VANGUARD CAPITAL MANAGEMENT LLC (9.2K), VANGUARD FIDUCIARY TRUST CO (4.34K), Caitong International Asset Management Co., Ltd (4.04K), Tower Research Capital LLC (TRC) (2.26K), Vanguard Global Advisers, LLC (911).

113,005 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
DRW Securities, LLC	31 Dec, 2025	31,464	19,747	168.53%	$108,865.00
J. Safra Sarasin Holding AG	31 Dec, 2025	27,300	27,300	0.00%	$140,049.00
BlackRock, Inc.	31 Dec, 2025	20,188	0	0.00%	$69,850.00
BlackRock, Inc.	31 Dec, 2025	20,188	0	0.00%	$105,583.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	19,347	567	3.02%	$101,200.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	18,780	0	0.00%	$67,242.00
CITADEL ADVISORS LLC	31 Dec, 2025	15,051	15,051	0.00%	$53,883.00
VANGUARD GROUP INC	31 Dec, 2025	14,774	0	0.00%	$52,891.00
T3 Companies, LLC	31 Dec, 2025	13,393	13,393	0.00%	$70,045.00
SCS Capital Management LLC	31 Dec, 2025	11,761	0	0.00%	$61,510.00
SCS Capital Management LLC	31 Dec, 2025	11,761	0	0.00%	$40,693.00
VANGUARD CAPITAL MANAGEMENT LLC	31 Dec, 2025	9,205	9,205	0.00%	$48,142.00
VANGUARD FIDUCIARY TRUST CO	31 Dec, 2025	4,339	4,339	0.00%	$22,693.00
Caitong International Asset Management Co., Ltd	31 Dec, 2025	4,037	4,037	0.00%	$21,114.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	2,260	1,746	339.69%	$11,820.00
Vanguard Global Advisers, LLC	31 Dec, 2025	911	911	0.00%	$4,765.00
UBS Group AG	31 Dec, 2025	903	-995	-52.42%	$3,124.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	514	110	27.23%	$1,778.00
UBS Group AG	31 Dec, 2025	200	-703	-77.85%	$1,046.00
Bank Of America Corp /De/	31 Dec, 2025	66	-162	-71.05%	$229.00

1 - 20 of 28