Pacific Ridge Capital Partners, LLC OSS — One Stop Systems

Ownership history in Pacific Ridge Capital Partners, LLC  ·  32 quarters on record

AI Ownership Summary

Pacific Ridge Capital Partners, LLC reported One Stop Systems (OSS) in 32 quarterly 13F filings from 2023 Q4 through 2025 Q4. Peak portfolio weight reached 0.68% in 2025 Q4. The latest visible filing shows OSS at 0.68% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this OSS ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was Pacific Ridge Capital Partners, LLC's position in One Stop Systems, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

OSS was reported at 0.68% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.68% in 2025 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

OSS stock page Pacific Ridge Capital Partners, LLC fund profile Pacific Ridge Capital Partners, LLC full holdings
How Pacific Ridge Capital Partners, LLC held OSS — position size vs. price
% of Fund (quarterly)    OSS price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 9 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED — — — 432,361 -13,433 -3.0% 0.68% $3.1M 2026-02-14 (Est.) $8.70
2025 Q3 REDUCED — — — 445,794 -9,078 -2.0% 0.53% $2.4M 2025-11-12 $5.54
2025 Q2 REDUCED — — — 454,872 -6,266 -1.4% 0.39% $1.6M 2025-08-11 $5.64
2025 Q1 REDUCED — — — 461,138 -22,361 -4.6% 0.28% $1.1M 2025-05-09 $2.61
2024 Q4 REDUCED — — — 483,499 -3,998 -0.8% 0.37% $1.6M 2025-02-12 $4.12
2024 Q3 REDUCED 6.9% +47.7% ❌ 487,497 -36,033 -6.9% 0.28% $1.2M 2024-11-13 $2.36
2024 Q2 REDUCED — — — 523,530 -22,465 -4.1% 0.30% $1.3M 2024-08-15 $2.00
2024 Q1 REDUCED — — — 545,995 -15,803 -2.8% 0.39% $1.8M 2024-05-09 $2.95
2023 Q4 REDUCED — — — 561,798 -19,859 -3.4% 0.24% $1.2M 2024-02-12 $2.18
23 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding OSS

As of 2026 Q1 — sorted by position size

Penbrook Management LLC 3Y 7Y 0.27% BAKER TILLY WEALTH MANAGEMENT, LLC 3Y 0.04% Lodestone Wealth Management LLC 3Y 0.02% Cambridge Investment Research Advisors, Inc. 3Y 7Y 0.0% Apollon Wealth Management, LLC 3Y 7Y 0.0% SG Americas Securities, LLC 3Y 7Y 0.0% Root Financial Partners, LLC 0.0% SBI Securities Co., Ltd. 0.0%

FAQ About Pacific Ridge Capital Partners, LLC and OSS

These are the practical questions this page is built to answer before you even open the full history table.

How long has Pacific Ridge Capital Partners, LLC reported owning OSS?

Pacific Ridge Capital Partners, LLC reported OSS across 9 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported OSS position in Pacific Ridge Capital Partners, LLC's portfolio?

The largest reported portfolio weight for OSS was 0.68% in 2025 Q4.

What is the latest reported OSS position on this page?

The most recent filing on this page is 2025 Q4, when Pacific Ridge Capital Partners, LLC reported 432,361 shares, equal to 0.68% of portfolio, with an estimated market value of $3.1M.

What does the chart on this OSS ownership page compare?

The chart compares Pacific Ridge Capital Partners, LLC's quarterly OSS portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did Pacific Ridge Capital Partners, LLC time their OSS position?

Based on 13F filing dates vs. subsequent OSS price moves, Pacific Ridge Capital Partners, LLC correctly timed 12 out of 31 reported position changes (39%). The annualised alpha on OSS relative to SPY over the holding period was -4.7%.

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