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

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.