AMTECH SYS INC

Ticker: ASYS CUSIP: 032332504 Class: COM PAR $0.01N

Note: Option positions (PUT/CALL) are excluded.

New Positions (24)

Increased Positions (22)

XTX Topco Ltd
Value ($000) $871 (+805.5%) Shares 69,381 (+568.1%)
BRIDGEWAY CAPITAL MANAGEMENT, LLC
Value ($000) $1,209 (+101.4%) Shares 96,318 (+48.6%)
MARSHALL WACE, LLP
Value ($000) $4,425 (+354.0%) Shares 352,624 (+235.0%)
RENAISSANCE TECHNOLOGIES LLC
Value ($000) $1,840 (+878.7%) Shares 146,596 (+622.1%)
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
Value ($000) $4,355 (+157.8%) Shares 347,033 (+90.2%)
JANE STREET GROUP, LLC
Value ($000) $4,088 (+151.7%) Shares 325,754 (+85.7%)
SUSQUEHANNA INTERNATIONAL GROUP, LLP
Value ($000) $1,012 (+448.1%) Shares 80,630 (+304.4%)
GOLDMAN SACHS GROUP INC
Value ($000) $988 (+241.3%) Shares 78,693 (+151.8%)
CITADEL ADVISORS LLC
Value ($000) $1,567 (+115.7%) Shares 124,843 (+59.1%)
MILLENNIUM MANAGEMENT LLC
Value ($000) $285 (+158.1%) Shares 22,748 (+90.4%)
AMERICAN CENTURY COMPANIES INC
Value ($000) $259 (+163.7%) Shares 20,666 (+94.5%)
STATE STREET CORP
Value ($000) $788 (+55.3%) Shares 62,790 (+14.6%)
UBS Group AG
Value ($000) $123 (+554.9%) Shares 9,810 (+383.3%)
GROUP ONE TRADING, L.P.
Value ($000) $95 (+405.5%) Shares 7,549 (+273.0%)
MORGAN STANLEY
Value ($000) $166 (+131.4%) Shares 13,211 (+70.7%)
NORTHERN TRUST CORP
Value ($000) $492 (+44.7%) Shares 39,177 (+6.7%)
CITIGROUP INC
Value ($000) $30 (+332888.9%) Shares 2,388 (+238700.0%)
GEODE CAPITAL MANAGEMENT, LLC
Value ($000) $1,670 (+37.3%) Shares 133,001 (+1.3%)
BlackRock, Inc.
Value ($000) $1,688 (+37.2%) Shares 134,477 (+1.2%)
ACADIAN ASSET MANAGEMENT LLC
Value ($000) $3 (+283.7%) Shares 236,008 (+182.5%)

Decreased Positions (13)