Amtech Systems Inc. Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| AIGH CAPITAL MANAGEMENT LLC | 08/07/2026 | 1.25 M | $28.90 M | 100.00% | 8.11% |
| FIRST EAGLE INVESTMENT MANAGEMENT, LLC | 08/24/2026 | 848.43 K | $19.58 M | 1.92% | 5.50% |
| BLACKROCK, INC. | 08/07/2026 | 763.49 K | $17.62 M | 424.93% | 4.94% |
| AWM INVESTMENT COMPANY, INC. | 08/14/2026 | 690.00 K | $15.93 M | 100.00% | 4.47% |
| VANGUARD CAPITAL MANAGEMENT LLC | 08/13/2026 | 580.50 K | $13.40 M | 2.87% | 3.76% |
| ACADIAN ASSET MANAGEMENT LLC | 08/13/2026 | 580.28 K | $13.39 M | 24.30% | 3.76% |
| DIMENSIONAL FUND ADVISORS LP | 08/11/2026 | 426.69 K | $9.84 M | -19.39% | 2.76% |
| MARSHALL WACE, LLP | 08/13/2026 | 398.56 K | $9.20 M | -4.44% | 2.58% |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 08/13/2026 | 308.90 K | $7.13 M | -15.46% | 2.00% |
| GEODE CAPITAL MANAGEMENT, LLC | 08/12/2026 | 284.84 K | $6.58 M | 115.54% | 1.84% |
| CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. | 08/13/2026 | 282.39 K | $6.52 M | 62.14% | 1.83% |
| RENAISSANCE TECHNOLOGIES LLC | 08/13/2026 | 260.61 K | $6.01 M | 141.09% | 1.69% |
| TWO SIGMA INVESTMENTS, LP | 08/14/2026 | 254.37 K | $5.87 M | -4.68% | 1.65% |
| JANE STREET GROUP, LLC | 08/14/2026 | 249.47 K | $5.76 M | -26.82% | 1.62% |
| REGAL PARTNERS LTD | 08/14/2026 | 237.50 K | $5.48 M | 100.00% | 1.54% |
| QUBE RESEARCH & TECHNOLOGIES LTD | 08/14/2026 | 194.71 K | $4.49 M | 119.97% | 1.26% |
| STATE STREET CORP | 09/22/2026 | 155.85 K | $3.60 M | 171.80% | 1.01% |
| TREXQUANT INVESTMENT LP | 08/14/2026 | 119.75 K | $2.76 M | -31.13% | 0.78% |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 08/14/2026 | 111.47 K | $2.57 M | 2.16% | 0.72% |
| CITADEL ADVISORS LLC | 09/02/2026 | 106.25 K | $2.45 M | -0.62% | 0.69% |
| PALISADES INVESTMENT PARTNERS, LLC | 08/04/2026 | 102.69 K | $2.37 M | 2.02% | 0.67% |
| NORTHERN TRUST CORP | 08/13/2026 | 91.86 K | $2.12 M | 135.51% | 0.59% |
| MILLENNIUM MANAGEMENT LLC | 08/14/2026 | 90.63 K | $2.09 M | -80.02% | 0.59% |
| JANE STREET GROUP, LLC | 08/14/2026 | 83.00 K | $1.92 M | 100.00% | 0.54% |
| MORGAN STANLEY | 08/13/2026 | 83.00 K | $1.92 M | 40.46% | 0.54% |
| VANGUARD FIDUCIARY TRUST CO | 08/13/2026 | 81.81 K | $1.89 M | 29.24% | 0.53% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 08/13/2026 | 81.35 K | $1.88 M | 100.00% | 0.53% |
| POINT72 ASSET MANAGEMENT, L.P. | 08/14/2026 | 79.68 K | $1.84 M | 167.77% | 0.52% |
| UBS GROUP AG | 08/13/2026 | 79.09 K | $1.83 M | 9.12% | 0.51% |
| EAM INVESTORS, LLC | 08/13/2026 | 72.58 K | $1.68 M | -2.32% | 0.47% |
| BNP PARIBAS ARBITRAGE, SNC | 08/13/2026 | 71.29 K | $1.65 M | 12.20% | 0.46% |
| XTX TOPCO LTD | 08/14/2026 | 69.83 K | $1.61 M | -6.40% | 0.45% |
| LOS ANGELES CAPITAL MANAGEMENT LLC | 08/13/2026 | 63.56 K | $1.47 M | 100.00% | 0.41% |
| O'SHAUGHNESSY ASSET MANAGEMENT, LLC | 08/13/2026 | 54.83 K | $1.27 M | 8.09% | 0.36% |
| GOLDMAN SACHS GROUP INC | 08/14/2026 | 54.07 K | $1.25 M | 47.82% | 0.35% |
| CAPELIGHT CAPITAL ASSET MANAGEMENT LP | 07/15/2026 | 50.00 K | $1.15 M | 100.00% | 0.32% |
| SEI INVESTMENTS CO | 08/14/2026 | 49.50 K | $1.14 M | -46.49% | 0.32% |
| MAN GROUP PLC | 08/14/2026 | 45.22 K | $1.04 M | 42.79% | 0.29% |
| NEW YORK STATE COMMON RETIREMENT FUND | 07/29/2026 | 44.01 K | $1.02 M | 6.02% | 0.29% |
| HILLSDALE INVESTMENT MANAGEMENT INC. | 08/12/2026 | 43.08 K | $994.29 K | 70.28% | 0.28% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 42.84 K | $988.79 K | -68.01% | 0.28% |
| BANK OF NEW YORK MELLON CORP | 08/06/2026 | 41.53 K | $958.59 K | 100.00% | 0.27% |
| RITHOLTZ WEALTH MANAGEMENT | 08/11/2026 | 41.37 K | $954.91 K | 3.12% | 0.27% |
| OCCUDO QUANTITATIVE STRATEGIES LP | 08/13/2026 | 38.62 K | $891.26 K | 94.74% | 0.25% |
| ENGINEERS GATE MANAGER LP | 08/14/2026 | 38.55 K | $889.78 K | 2.59% | 0.25% |
| GSA CAPITAL PARTNERS LLP | 08/06/2026 | 37.81 K | $873.00 K | 47.54% | 0.24% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 08/06/2026 | 37.76 K | $871.52 K | -0.15% | 0.24% |
| MERIT FINANCIAL GROUP, LLC | 07/20/2026 | 37.00 K | $853.96 K | 0.00% | 0.24% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 08/14/2026 | 35.70 K | $823.96 K | 72.46% | 0.23% |
| EMPOWERED FUNDS, LLC | 08/17/2026 | 34.67 K | $800.23 K | 7.28% | 0.22% |
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Amtech Systems Inc. institutional Ownership - FAQ's
During the previous two years, 151 institutional investors and hedge funds held shares of Amtech Systems Inc.. The most heavily invested institutionals were:
AIGH Capital Management LLC: 1.25 M
First Eagle Investment Management, LLC: 848,426
BlackRock, Inc.: 763,487
AWM Investment Company, Inc.: 690,000
VANGUARD CAPITAL MANAGEMENT LLC: 580,502
ACADIAN ASSET MANAGEMENT LLC: 580,278
68.01% of Amtech Systems Inc. stock is owned by institutional investors.
Institutional investors have bought a total of 14.08 M shares in the last 24 months. This purchase volume represents approximately $180.59 M in transactions.