ASYS — Amtech Systems

Ownership history in Pacific Ridge Capital Partners, LLC  ·  49 quarters on record

This page tracks every 13F SEC filing in which Pacific Ridge Capital Partners, LLC reported a position in Amtech Systems (ASYS). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
2.1% (2021 Q1)
Avg. % of fund
1.15%
First filed
2013 Q4
Last filed
2025 Q4
Quarters held
49
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 627,811 -18,678 -2.9% 1.73% $7.9M $12.55
2025 Q3 REDUCED 646,489 -14,878 -2.2% 1.32% $6.0M $9.26
2025 Q2 ADDED 661,367 +40,332 +6.5% 0.70% $2.9M $4.44
2025 Q1 REDUCED 621,035 -31,358 -4.8% 0.79% $3.0M $4.83
45 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    ASYS price (monthly, adj. close)

Other funds also holding ASYS

As of 2025 Q4 — sorted by position size

IRONWOOD INVESTMENT MANAGEMENT LLC 3Y 7Y 0.15% Informed Momentum Co LLC 3Y 7Y 0.1% ESSEX INVESTMENT MANAGEMENT CO LLC 3Y 7Y 0.07% GSA CAPITAL PARTNERS LLP 3Y 7Y 0.03% BRIDGEWAY CAPITAL MANAGEMENT, LLC 3Y 7Y 0.03% VILLERE ST DENIS J & CO LLC 3Y 7Y 0.03% XTX Topco Ltd 3Y 0.02% Kovack Advisors, Inc. 3Y 7Y 0.02% JAMES INVESTMENT RESEARCH, INC. 3Y 7Y 0.02% OCCUDO QUANTITATIVE STRATEGIES LP 3Y 0.02%
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