Who Owns AMTECH SYS INC (ASYS)? -- Institutional Holders (2026-06-30)

124 institutions reported holding $247.9M of AMTECH SYS INC (ASYS) in SEC 13F filings for 2026-06-30. Largest institutional holders: AIGH Capital Management LLC ($28.9M), First Eagle Investment Management, LLC ($19.6M), BlackRock, Inc. ($17.6M), VANGUARD GROUP INC ($17.3M), AWM Investment Company, Inc. ($15.9M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	AIGH Capital Management LLC	$28.9M	1.3M	New
2	First Eagle Investment Management, LLC	$19.6M	848,426	Added
3	BlackRock, Inc.	$17.6M	763,487	Added
4	VANGUARD GROUP INC	$17.3M	747,940	Added
5	AWM Investment Company, Inc.	$15.9M	690,000	New
6	ACADIAN ASSET MANAGEMENT LLC	$13.4M	580,278	Added
7	DIMENSIONAL FUND ADVISORS LP	$9.8M	426,694	Trimmed
8	MARSHALL WACE, LLP	$9.2M	398,564	Trimmed
9	JANE STREET GROUP, LLC	$8.2M	354,865	Added
10	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	$7.1M	308,896	Trimmed
11	GEODE CAPITAL MANAGEMENT, LLC	$6.6M	284,836	Added
12	Connor, Clark & Lunn Investment Management Ltd.	$6.5M	282,388	Added
13	RENAISSANCE TECHNOLOGIES LLC	$6.0M	260,605	Added
14	TWO SIGMA INVESTMENTS, LP	$5.9M	254,367	Trimmed
15	Regal Partners Ltd	$5.5M	237,503	New
16	Qube Research & Technologies Ltd	$4.5M	194,714	Added
17	STATE STREET CORP	$3.6M	155,849	Added
18	CITADEL ADVISORS LLC	$3.5M	151,946	Added
19	Trexquant Investment LP	$2.8M	119,750	Trimmed
20	BRIDGEWAY CAPITAL MANAGEMENT, LLC	$2.6M	111,472	Added
21	Palisades Investment Partners, LLC	$2.4M	102,691	Added
22	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$2.2M	96,042	Trimmed
23	NORTHERN TRUST CORP	$2.1M	91,857	Added
24	MILLENNIUM MANAGEMENT LLC	$2.1M	90,626	Trimmed
25	MORGAN STANLEY	$1.9M	82,999	Added

来源：SEC 13F 申报文件 · 截至 2026-06-30