Portolan Capital Management - AMTECH SYS INC ownership

AMTECH SYS INC's ticker is ASYS and the CUSIP is 032332504. A total of 59 filers reported holding AMTECH SYS INC in Q2 2021. The put-call ratio across all filers is 0.93 and the average weighting 0.1%.

Quarter-by-quarter ownership
Portolan Capital Management ownership history of AMTECH SYS INC
ValueSharesWeighting
Q1 2021$4,233,000358,1490.33%
Other shareholders
AMTECH SYS INC shareholders Q2 2021
NameSharesValueWeighting ↓
Pacific Ridge Capital Partners, LLC 787,517$6,000,8801.39%
SELDON CAPITAL LP 208,112$1,585,8131.36%
ESSEX INVESTMENT MANAGEMENT CO LLC 347,437$2,647,4700.43%
Legato Capital Management LLC 130,037$990,8820.14%
IRONWOOD INVESTMENT MANAGEMENT LLC 28,550$217,5510.13%
WealthTrust Axiom LLC 45,956$350,1840.13%
ROYCE & ASSOCIATES LP 1,478,680$11,267,5420.12%
OBERWEIS ASSET MANAGEMENT INC/ 118,900$906,0180.10%
WHITE PINE CAPITAL LLC 30,450$232,0290.09%
Kovack Advisors, Inc. 50,600$385,5720.05%
View complete list of AMTECH SYS INC shareholders