One Stop Systems
OSS
33 hedge funds and large institutions have $12.3M invested in One Stop Systems in 2025 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 16 increasing their positions, 7 reducing their positions, and 8 closing their positions.
129% more repeat investments, than reductions
Existing positions increased: 16 | Existing positions reduced: 7
1.21% more ownership
Funds ownership: 24.98% → 26.19% (+1.2%)
11% less funds holding
Funds holding: 37 → 33 (-4)
30% less capital invested
Capital invested by funds: $17.7M → $12.3M (-$5.33M)
50% less first-time investments, than exits
New positions opened: 4 | Existing positions closed: 8
51% less call options, than puts
Call options by funds: $55K | Put options by funds: $113K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
Archon Capital Management
Seattle,
Washington
|
+$513K |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$130K |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
+$117K |
| 4 |
Renaissance Technologies
New York
|
+$76.9K |
| 5 |
GCP
GSA Capital Partners
London,
United Kingdom
|
+$44K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$223K |
| 2 |
Millennium Management
New York
|
-$142K |
| 3 |
TSS
Two Sigma Securities
New York
|
-$109K |
| 4 |
PRCP
Pacific Ridge Capital Partners
Lake Oswego,
Oregon
|
-$74.9K |
| 5 |
VF
Virtu Financial
New York
|
-$72K |
OSS Hedge Fund Activity: Q1 2025 in Review
33 of the 7,476 institutional investors tracked by Wall St. Rank reported a position in One Stop Systems (OSS) for Q1 2025, worth a combined $12.3M — down 30% from $17.7M a quarter earlier.
Sellers outnumbered buyers: 8 funds closed out of OSS and 4 opened new positions — a net loss of 4 holders — while 7 trimmed existing stakes and 16 added.
The largest buyer was Archon Capital Management, opening a new position worth an estimated $513K. The largest seller was Citadel Advisors, cutting an estimated $223K.
- 33 institutional investors held One Stop Systems (OSS) as of Q1 2025, down from 37 in Q4 2024.
- Funds reported $12.3M of One Stop Systems stock for Q1 2025, down 30% quarter-over-quarter.
- 4 funds opened new One Stop Systems positions in Q1 2025 and 8 closed out, a net change of -4 holders.
- The largest One Stop Systems buyer in Q1 2025 was Archon Capital Management, an estimated $513K added.
- The largest One Stop Systems seller in Q1 2025 was Citadel Advisors, an estimated $223K sold.
Based on aggregated 13F filings for Q1 2025.