PDFS — PDF SOLUTIONS INC

Ownership history in Roubaix Capital, LLC  ·  7 quarters on record

This page tracks every 13F SEC filing in which Roubaix Capital, LLC reported a position in PDF SOLUTIONS INC (PDFS). 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
2.84% (2023 Q1)
Avg. % of fund
2.28%
First filed
2022 Q4
Last filed
2025 Q4
Quarters held
7
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 220,022 +13,674 +6.6% 2.68% $6.3M $28.53
2025 Q3 ADDED 206,348 +104,365 +102.3% 2.48% $5.3M $25.82
2024 Q2 ADDED 101,983 +3,865 +3.9% 2.34% $3.7M $36.38
2024 Q1 ADDED 98,118 +51,812 +111.9% 2.09% $3.3M $33.67
3 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    PDFS price (monthly, adj. close)

Other funds also holding PDFS

As of 2025 Q4 — sorted by position size

Samjo Management, LLC 13.61% Silverberg Bernstein Capital Management LLC 7.81% Divisar Capital Management LLC 3Y 7Y 6.09% NEEDHAM INVESTMENT MANAGEMENT LLC 3Y 7Y 3.54% Ophir Asset Management Pty Ltd 3Y 2.31% Ranger Investment Management, L.P. 3Y 7Y 2.29% Bridge City Capital, LLC 3Y 7Y 0.86% HERALD INVESTMENT MANAGEMENT Ltd 3Y 7Y 0.84% EMERALD ADVISERS, LLC 3Y 7Y 0.83% Lisanti Capital Growth, LLC 3Y 7Y 0.71%
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