OSS — ONE STOP SYS INC COM

Ownership history in Penbrook Management LLC  ·  2 quarters on record

This page tracks every 13F SEC filing in which Penbrook Management LLC reported a position in ONE STOP SYS INC COM (OSS). 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
0.23% (2025 Q4)
Avg. % of fund
0.2%
First filed
2025 Q3
Last filed
2025 Q4
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 46,740 -673 -1.4% 0.23% $336K $7.18
2025 Q3 INITIATED 47,413 — — 0.18% $254K $5.36
% of Fund (quarterly)    OSS price (monthly, adj. close)

Other funds also holding OSS

As of 2025 Q4 — sorted by position size

BARD ASSOCIATES INC 3Y 7Y 1.57% Archon Capital Management LLC 3Y 7Y 1.34% Pacific Ridge Capital Partners, LLC 3Y 7Y 0.68% Lynrock Lake LP 3Y 7Y 0.32% Manatuck Hill Partners, LLC 3Y 7Y 0.25% Informed Momentum Co LLC 3Y 7Y 0.13% ESSEX INVESTMENT MANAGEMENT CO LLC 3Y 7Y 0.08% BAKER TILLY WEALTH MANAGEMENT, LLC 3Y 0.04% 683 Capital Management, LLC 3Y 7Y 0.03% NKCFO LLC 3Y 7Y 0.03%
← Back to Penbrook Management LLC Holdings