ASTROTECH Corp Institutional Ownership | ASTC

Institutions by Trading Activity

1,677,000Shares Outstanding

113,005Shares held by institutions

$896,130Value of institutional holdings

6.74%Institutional ownership %

116.52%Shares Changed QoQ

15No. of institutional investors

ASTROTECH Corp (NASDAQ:ASTC) has 15 institutional investors that have filed 13F reports for the period ending March 2026.

Their combined ownership stood at 6.7% of outstanding shares in March 2026, down from 6.8% in December 2025.
Their total shares held in ASTC increased 116.52% from the prior quarter, while the number of investors in Astrotech decreased 11.76% year over year.
Among the 15 funds, 10 bought more Astrotech shares, 1 sold down, and 4 held their ground.
Combined, these investors held 113.0K shares in ASTC for March 2026, up by 60.81K shares quarter on quarter, and down 269.97K shares year over year.
J. Safra Sarasin Holding AG holds the largest position in ASTC at 27.3K shares as of March 31, 2026, or 1.63% of shares outstanding.
Leading buyers of Astrotech shares for the quarter ending March 2026 were 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).
Top sellers of ASTC stock for the quarter ending March 2026 included UBS Group AG (703).
Astrotech's 10 largest shareholders as of March 2026 include 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) per Business Quant data.

113,005 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
J. Safra Sarasin Holding AG	31 Mar, 2026	27,300	27,300	0.00%	$140,049.00
BlackRock, Inc.	31 Mar, 2026	20,188	0	0.00%	$105,583.00
GEODE CAPITAL MANAGEMENT, LLC	31 Mar, 2026	19,347	567	3.02%	$101,200.00
T3 Companies, LLC	31 Mar, 2026	13,393	13,393	0.00%	$70,045.00
SCS Capital Management LLC	31 Mar, 2026	11,761	0	0.00%	$61,510.00
VANGUARD CAPITAL MANAGEMENT LLC	31 Mar, 2026	9,205	9,205	0.00%	$48,142.00
VANGUARD FIDUCIARY TRUST CO	31 Mar, 2026	4,339	4,339	0.00%	$22,693.00
Caitong International Asset Management Co., Ltd	31 Mar, 2026	4,037	4,037	0.00%	$21,114.00
Tower Research Capital LLC (TRC)	31 Mar, 2026	2,260	1,746	339.69%	$11,820.00
Vanguard Global Advisers, LLC	31 Mar, 2026	911	911	0.00%	$4,765.00
UBS Group AG	31 Mar, 2026	200	-703	-77.85%	$1,046.00
Federation des caisses Desjardins du Quebec	31 Mar, 2026	23	0	0.00%	$120.00
Wells Fargo & Company/Mn	31 Mar, 2026	20	0	0.00%	$104.00
SBI Securities Co., Ltd.	31 Mar, 2026	13	10	333.33%	$68.00
HARBOUR INVESTMENTS, INC.	31 Mar, 2026	8	8	0.00%	$42.00