Who Owns Amtech Systems Inc (ASYS)? -- Institutional Holders (2026-06-30)

124 institutions reported holding $247.9M of Amtech Systems 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.

RankInstitutionValueSharesChange
1AIGH Capital Management LLC$28.9M1.3MNew
2First Eagle Investment Management, LLC$19.6M848,426Added
3BlackRock, Inc.$17.6M763,487Added
4VANGUARD GROUP INC$17.3M747,940Added
5AWM Investment Company, Inc.$15.9M690,000New
6ACADIAN ASSET MANAGEMENT LLC$13.4M580,278Added
7DIMENSIONAL FUND ADVISORS LP$9.8M426,694Trimmed
8MARSHALL WACE, LLP$9.2M398,564Trimmed
9JANE STREET GROUP, LLC$8.2M354,865Added
10ARROWSTREET CAPITAL, LIMITED PARTNERSHIP$7.1M308,896Trimmed
11GEODE CAPITAL MANAGEMENT, LLC$6.6M284,836Added
12Connor, Clark & Lunn Investment Management Ltd.$6.5M282,388Added
13RENAISSANCE TECHNOLOGIES LLC$6.0M260,605Added
14TWO SIGMA INVESTMENTS, LP$5.9M254,367Trimmed
15Regal Partners Ltd$5.5M237,503New
16Qube Research & Technologies Ltd$4.5M194,714Added
17STATE STREET CORP$3.6M155,849Added
18CITADEL ADVISORS LLC$3.5M151,946Added
19Trexquant Investment LP$2.8M119,750Trimmed
20BRIDGEWAY CAPITAL MANAGEMENT, LLC$2.6M111,472Added
21Palisades Investment Partners, LLC$2.4M102,691Added
22SUSQUEHANNA INTERNATIONAL GROUP, LLP$2.2M96,042Trimmed
23NORTHERN TRUST CORP$2.1M91,857Added
24MILLENNIUM MANAGEMENT LLC$2.1M90,626Trimmed
25MORGAN STANLEY$1.9M82,999Added

Source: SEC Form 13F filings · as of 2026-06-30