One Stop Systems
OSS
39 hedge funds and large institutions have $22.8M invested in One Stop Systems in 2025 Q2 according to their latest regulatory filings, with 10 funds opening new positions, 13 increasing their positions, 11 reducing their positions, and 4 closing their positions.
150% more first-time investments, than exits
New positions opened: 10 | Existing positions closed: 4
148% more call options, than puts
Call options by funds: $555K | Put options by funds: $224K
85% more capital invested
Capital invested by funds: $12.3M → $22.8M (+$10.5M)
18% more funds holding
Funds holding: 33 → 39 (+6)
18% more repeat investments, than reductions
Existing positions increased: 13 | Existing positions reduced: 11
3.6% more ownership
Funds ownership: 26.19% → 29.79% (+3.6%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Marshall Wace
London,
United Kingdom
|
+$1.22M |
| 2 |
Jane Street
New York
|
+$703K |
| 3 |
EI
EAM Investors
Solana Beach,
California
|
+$378K |
| 4 |
Citadel Advisors
Miami,
Florida
|
+$343K |
| 5 |
VF
Virtu Financial
New York
|
+$141K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BA
Bard Associates
Chicago,
Illinois
|
-$229K |
| 2 |
LLL
Lynrock Lake LP
Rye Brook,
New York
|
-$48.2K |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$33K |
| 4 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$30K |
| 5 |
PRCP
Pacific Ridge Capital Partners
Lake Oswego,
Oregon
|
-$17.5K |
OSS Hedge Fund Activity: Q2 2025 in Review
39 of the 7,598 institutional investors tracked by Wall St. Rank reported a position in One Stop Systems (OSS) for Q2 2025, worth a combined $22.8M — up 85% from $12.3M a quarter earlier.
Buyers outnumbered sellers: 10 funds opened new OSS positions and 4 closed out — a net gain of 6 holders — while 13 added to existing stakes and 11 trimmed.
The largest buyer was Marshall Wace, adding an estimated $1.22M. The largest seller was Bard Associates, cutting an estimated $229K.
- 39 institutional investors held One Stop Systems (OSS) as of Q2 2025, up from 33 in Q1 2025.
- Funds reported $22.8M of One Stop Systems stock for Q2 2025, up 85% quarter-over-quarter.
- 10 funds opened new One Stop Systems positions in Q2 2025 and 4 closed out, a net change of +6 holders.
- The largest One Stop Systems buyer in Q2 2025 was Marshall Wace, an estimated $1.22M added.
- The largest One Stop Systems seller in Q2 2025 was Bard Associates, an estimated $229K sold.
Based on aggregated 13F filings for Q2 2025.