13F

Stock

Amtech Sys Inc

Ticker not mapped · held by 65 managers

Reported value

$73.4M

Holders

65

+1 new · −0 exited

Holders’ est. mark

$25.8K

Price effect on 3 books still in the name

Largest holder

$9.22M

First Eagle Investment Management, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
First Eagle Investment Management, LLC734.3K$9.22M—Held
DIMENSIONAL FUND ADVISORS LP672.1K$8.44M—Held
Vanguard631.9K$7.93M—Held
Pacific Ridge Capital Partners, LLC627.8K$7.88M—Held
MARSHALL WACE, LLP352.6K$4.43M—Held
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP347K$4.36M—Held
JANE STREET GROUP, LLC325.8K$4.09M—Held
Renaissance Technologies146.6K$1.84M—Held
BlackRock, Inc.134.5K$1.69M—Held
GEODE CAPITAL MANAGEMENT, LLC133K$1.67M—Held
Citadel124.8K$1.57M—Held
TWO SIGMA INVESTMENTS, LP111.4K$1.4M—Held
BRIDGEWAY CAPITAL MANAGEMENT, LLC96.3K$1.21M—Held
Trexquant Investment LP89.4K$1.12M—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP80.6K$1.01M—Held
GOLDMAN SACHS GROUP INC78.7K$987.6K—Held
Informed Momentum Co LLC74.3K$932.5K—Held
TWO SIGMA ADVISERS, LP70K$878.5K—Held
XTX Topco Ltd69.4K$870.7K—Held
Point72 Asset Management, L.P.68.2K$855.3K—Held
Connor, Clark & Lunn Investment Management Ltd.66.9K$839.3K—Held
State Street62.8K$788K—Held
O'SHAUGHNESSY ASSET MANAGEMENT, LLC61K$765.1K—Held
SEI INVESTMENTS CO45.2K$567.7K—Held
Qube Research & Technologies Ltd42K$526.8K—Held
RITHOLTZ WEALTH MANAGEMENT39.6K$496.6K—Held
NORTHERN TRUST CORP39.2K$491.7K—Held
ESSEX INVESTMENT MANAGEMENT CO LLC37.8K$474.6K—Held
Merit Financial Group, LLC37K$464.4K—Held
Quadrature Capital Ltd30.5K$383.3K—Held
Jump Financial, LLC30.3K$380.3K—Held
IRONWOOD INVESTMENT MANAGEMENT LLC27.5K$345.6K—Held
BNP PARIBAS FINANCIAL MARKETS26.6K$333.4K—Held
MILLENNIUM MANAGEMENT LLC22.7K$285.5K—Held
Kovack Advisors, Inc.22K$276.1K—Held
Centiva Capital, LP21.8K$273.8K—Held
Hudson Bay Capital Management LP21.6K$270.5K—New
OCCUDO QUANTITATIVE STRATEGIES LP21.3K$267.2K—Held
AMERICAN CENTURY COMPANIES INC20.7K$259.4K—Held
VILLERE ST DENIS J & CO LLC20K$251K—Held
Squarepoint Ops LLC16.7K$209.3K—Held
OMERS ADMINISTRATION Corp16.6K$208.3K—Held
Ancora Advisors LLC16.2K$203.9K—Held
Sowell Financial Services LLC16.2K$202.8K—Held
NewEdge Advisors, LLC14.6K$183.2K—Held
JAMES INVESTMENT RESEARCH, INC.14.6K$183.2K—Held
MORGAN STANLEY13.2K$165.8K$25.5KAdded$94.1K
BARCLAYS PLC12.7K$159.4K$99Added$159.1K
Graham Capital Management, L.P.12.6K$158.2K—Held
LPL Financial LLC12K$150.5K—Held
WealthTrust Axiom LLC11.3K$141.8K—Held
UBS Group AG9.81K$123.1K—Held
GROUP ONE TRADING LLC7.55K$94.7K—Held
Kestra Advisory Services, LLC7.05K$88.5K—Held
CITIGROUP INC2.39K$30K—Held
SIMPLEX TRADING, LLC681$8.55K—Held
OSAIC HOLDINGS, INC.645$8.09K—Held
Strengthening Families & Communities, LLC490$6.15K—Held
Fidelity428$5.37K—Held
ACADIAN ASSET MANAGEMENT LLC236K$2.96K—Held
SBI Securities Co., Ltd.130$1.63K—Held
ROYAL BANK OF CANADA46$1K—Held
BANK OF AMERICA CORP /DE/78$979$257Cut−$14.6K
Janney Montgomery Scott LLC30.8K$386—Held
GSA CAPITAL PARTNERS LLP30.7K$386—Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.