13F

Stock

Amtech Sys Inc

Ticker not mapped · held by 79 managers

Reported value

$80.5M

Holders

79

+20 new · −8 exited

Holders’ est. mark

−$3.94M

Price effect on 56 books still in the name

Largest holder

$9.72M

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, LLC832.5K$9.72M−$638.9KAdded$507K
VANGUARD CAPITAL MANAGEMENT LLC564.3K$6.59M—Held
DIMENSIONAL FUND ADVISORS LP529.4K$6.18M−$461.9KCut−$2.25M
MILLENNIUM MANAGEMENT LLC453.6K$5.3M−$19.8KAdded$5.01M
MARSHALL WACE, LLP417.1K$4.87M−$306.8KAdded$446K
Pacific Ridge Capital Partners, LLC405.4K$4.73M−$352.7KCut−$3.14M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP365.4K$4.27M−$301.9KCut−$87.5K
JANE STREET GROUP, LLC340.9K$3.98M−$283.4KCut−$106.7K
TWO SIGMA INVESTMENTS, LP266.9K$3.12M−$96.9KAdded$1.72M
Connor, Clark & Lunn Investment Management Ltd.174.2K$2.03M−$58.2KAdded$1.19M
Trexquant Investment LP173.9K$2.03M−$77.7KAdded$909.5K
BlackRock, Inc.145.4K$1.7M−$117KAdded$11.1K
SUSQUEHANNA INTERNATIONAL GROUP, LLP133.9K$1.56M−$70.1KAdded$552.5K
GEODE CAPITAL MANAGEMENT, LLC132.1K$1.54M−$115KCut−$125.7K
BRIDGEWAY CAPITAL MANAGEMENT, LLC109.1K$1.27M−$83.8KAdded$65.7K
Renaissance Technologies108.1K$1.26M−$94KCut−$577.2K
Citadel106.9K$1.25M−$93KCut−$318K
Palisades Investment Partners, LLC100.7K$1.18M—New
SEI INVESTMENTS CO92.5K$1.08M−$39.4KAdded$512.9K
Qube Research & Technologies Ltd88.5K$1.03M−$36.5KAdded$507.1K
XTX Topco Ltd74.6K$871.4K−$60.4KAdded$666
Informed Momentum Co LLC74.3K$867.9K−$64.6KCut−$64.6K
UBS Group AG72.5K$846.5K−$8.53KAdded$723.4K
BNP PARIBAS FINANCIAL MARKETS63.5K$742.2K−$23.1KAdded$408.7K
VANGUARD FIDUCIARY TRUST CO63.3K$739.3K—Held
MORGAN STANLEY59.1K$690.2K−$11.5KAdded$524.4K
State Street57.3K$669.7K−$49.9KCut−$118.3K
O'SHAUGHNESSY ASSET MANAGEMENT, LLC50.7K$592.5K−$44.1KCut−$172.6K
NEW YORK STATE COMMON RETIREMENT FUND41.5K$484.8K—New
RITHOLTZ WEALTH MANAGEMENT40.1K$468.6K−$34.4KCut−$28K
NORTHERN TRUST CORP39K$455.6K−$33.9KCut−$36.1K
Squarepoint Ops LLC38.7K$451.9K−$14.5KAdded$242.6K
ESSEX INVESTMENT MANAGEMENT CO LLC37.8K$441.7K−$32.9KCut−$32.9K
Engineers Gate Manager LP37.6K$438.9K—New
Merit Financial Group, LLC37K$432.2K−$32.2KCut−$32.2K
GOLDMAN SACHS GROUP INC36.6K$427.2K−$31.8KCut−$560.4K
Empowered Funds, LLC32.3K$377.5K—New
Man Group plc31.7K$369.9K—New
Point72 Asset Management, L.P.29.8K$347.6K−$25.9KCut−$507.8K
OCCUDO QUANTITATIVE STRATEGIES LP19.8K$345.2K$96.4KAdded$78K
Dynamic Technology Lab Private Ltd28.1K$328.7K—New
IRONWOOD INVESTMENT MANAGEMENT LLC27.2K$317.7K−$23.7KCut−$27.9K
AMERICAN CENTURY COMPANIES INC26.7K$312.3K−$18KAdded$52.9K
Hillsdale Investment Management Inc.25.3K$295.5K—New
Hudson Bay Capital Management LP24.1K$281.3K−$18.8KAdded$10.8K
Brevan Howard Capital Management LP23.7K$277K—New
State of Wyoming23.7K$276.7K—New
BANK OF AMERICA CORP /DE/22.7K$264.6K−$68Added$263.6K
Sowell Financial Services LLC20.2K$236K−$14.1KAdded$33.2K
VILLERE ST DENIS J & CO LLC20K$233.6K−$17.4KCut−$17.4K
LPL Financial LLC19K$222.1K−$10.4KAdded$71.6K
Schonfeld Strategic Advisors LLC18.8K$219.6K—New
WealthTrust Axiom LLC16.3K$190.4K−$9.83KAdded$48.6K
JAMES INVESTMENT RESEARCH, INC.14.6K$170.5K−$12.7KCut−$12.7K
Jump Financial, LLC13.3K$155.1K−$11.6KCut−$225.2K
Kovack Advisors, Inc.12.1K$144.6K−$7.26KCut−$131.5K
Walleye Capital LLC12.2K$142.5K—New
BARCLAYS PLC11.3K$132.3K−$9.85KCut−$27.1K
VIRTUS ADVISERS, LLC11.2K$130.8K—New
OMERS ADMINISTRATION Corp10.4K$121.5K−$9.05KCut−$86.9K
Truvestments Capital LLC8.99K$105K—New
NewEdge Advisors, LLC24.5K$52.3K−$152.1KCut−$131K
Vanguard Global Advisers, LLC4.28K$50K—Held
GROUP ONE TRADING LLC3.31K$38.7K−$2.88KCut−$56.1K
Tower Research Capital LLC (TRC)1.94K$22.7K—New
IFP Advisors, Inc1.02K$11.9K—New
Strengthening Families & Communities, LLC490$5.72K−$427Cut−$427
ACADIAN ASSET MANAGEMENT LLC466.8K$5.45K−$205Added$2.49K
OSAIC HOLDINGS, INC.338$3.95K−$295Cut−$4.15K
CWM, LLC301$3.52K—New
JPMORGAN CHASE & CO258$2.86K—New
Fidelity242$2.83K−$206Cut−$2.54K
Russell Investments Group, Ltd.240$2.8K—New
ROYAL BANK OF CANADA191$2K−$518Added$1K
Janney Montgomery Scott LLC30.8K$359−$27Cut−$27
SBI Securities Co., Ltd.30$350−$27Cut−$1.28K
GSA CAPITAL PARTNERS LLP25.6K$299−$23Cut−$87
Virtu Financial LLC21.2K$248—New
HRT FINANCIAL LP20.2K$235—New

Who left

Positions as of Q1 2026. 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.