Amtech SystemsASYS

13F holders, Q3 2024 (September 30)
34holders
2new positions
2sold out
2famous investors
$5.80avg. 13F price*

At the end of Q3 2024, 34 institutions reported holding Amtech Systems Inc. (ASYS) in their 13F filings, unchanged from Q2 2024. 2 opened new positions and 2 sold out. The largest holders were Royce & Associates LP ($9.9M), Dimensional Fund Advisors LP ($5.4M) and First Eagle Investment Management, LLC ($4.5M). 2 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Amtech Systems Inc.
CUSIP
032332504
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150 Q1 2024: 41Q1 2024Q2 2024: 34Q2 2024Q3 2024: 34Q3 2024Q4 2024: 35Q4 2024Q1 2025: 37Q1 2025Q2 2025: 36Q2 2025Q3 2025: 54Q3 2025Q4 2025: 65Q4 2025Q1 2026: 79Q1 2026Q2 2026: 111Q2 2026

Total Exit/New Position Q2 2024 → Q3 2024

InstitutionsTotal Value
New Positions2$308K
Exits2$60K

All 13F filers, Q2 2024 → Q3 2024: 188,555 shares bought and 296,811 shares sold, net −108,256 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 34 holders

Royce & Associates LP 0.09% Reduce -1.5% 1,711,172 $9.9M
Dimensional Fund Advisors LP 0.00% Reduce -2.0% 924,130 $5.4M
First Eagle Investment Management, LLC 0.01% Add +15.9% 783,367 $4.5M
Vanguard Group Inc. 0.00% No change 674,175 $3.9M
Pacific Ridge Capital Partners, LLC 0.91% Reduce -6.8% 661,037 $3.8M
AMH Equity Ltd 1.91% No change 250,000 $1.4M
Geode Capital Management, LLC 0.00% Add +6.1% 128,067 $743K
LPL Financial LLC 0.00% Reduce -5.3% 127,880 $742K
BlackRock, Inc. 0.00% — 120,337 $698K
Ancora Advisors LLC 0.01% Reduce -25.5% 111,000 $644K
Kennedy Capital Management LLC 0.01% Reduce -48.7% 96,111 $557K
Brandywine Global Investment Management, LLC 0.00% Reduce -30.0% 65,174 $378K
State Street Corp. 0.00% No change 50,490 $293K
WealthTrust Axiom LLC 0.08% No change 44,308 $257K
Citadel Advisors 0.00% Add +21.4% 42,296 $245K
Susquehanna International Group, LLP 0.00% Add +17.1% 38,946 $226K
Bridgeway Capital Management, LLC 0.00% No change 37,400 $217K
Commonwealth Equity Services, LLC 0.00% No change 37,000 $215K
Northern Trust Corp. 0.00% Reduce -0.5% 34,025 $197K
Ironwood Investment Management LLC 0.08% Add +0.9% 28,604 $166K
Janney Montgomery Scott LLC 0.00% New 27,700 $161K
Acadian Asset Management LLC 0.00% Add +39.3% 25,741 $148K
Corton Capital Inc. 0.07% New 25,359 $147K
Kovack Advisors, Inc. 0.01% Reduce -26.9% 20,100 $117K
Villere St Denis J & Co. LLC 0.01% No change 20,000 $116K
Millennium Management 0.00% Reduce -52.9% 12,425 $72K
UBS Group AG 0.00% Reduce -52.6% 1,264 $7K
Osaic Holdings, Inc. 0.00% Reduce -80.0% 1,000 $6K
Tower Research Capital LLC (TRC) 0.00% Reduce -74.9% 656 $4K
Morgan Stanley 0.00% Reduce -62.9% 592 $3K
Strengthening Families & Communities, LLC 0.00% No change 490 $3K
Principal Securities, Inc. 0.00% No change 200 $1K
Stone House Investment Management, LLC 0.00% No change 160 $928
Bank of America Corp. 0.00% Add +2.1% 97 $563

"% of holder's portfolio" is ASYS's weight in each manager's 13F, not the share of Amtech Systems Inc. the manager owns.