Chuck Royce's position in Amtech Systems is currently worth $2.02 Million. That's 0.02% of their equity portfolio (551st largest holding). The investor owns 4.11% of the outstanding Amtech Systems stock. The first Amtech Systems trade was made in Q1 2013. Since then Chuck Royce bought shares 22 more times and sold shares on 24 occasions. The investor's estimated purchase price is $5.23 Million, resulting in a loss of 61%.