One Stop Systems, Inc.
OSS • NASDAQ
One Stop Systems, Inc. is a computer hardware company in the technology sector on NASDAQ, led by Michael Knowles, with a market cap of $185.6M. As of Q3 2025, 44% of shares are held by 57 institutional investors, with Lynrock Lake LP as the largest holder at 6.58%.
Chief Executive OfficerMichael Knowles
Market Cap$185.6M
Computer Hardware
Technology
Employees106.0
Websiteonestopsystems.com
Country
United States of America
Overview
Overview of institutional ownership in OSS as of Q3 2025 with a market cap of $117.5M
All Institutions
- Institutions
- 57
- Value Held
- $51.7M
- Shares Held
- 9.6M
- Avg Position
- $906.1K
- Median Position
- $301.2K
Hedge Funds
- Hedge Funds
- 18
- Value Held
- $25.8M
- Shares Held
- 4.8M
- Avg Position
- $1.4M
- Median Position
- $516.2K
Ownership Breakdown
Based on market cap of $117.5M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in OSS as of Q3 2025
| Institution | Position Value |
|---|---|
 Lynrock Lake LP Hedge Fund•Multi-Strategy | $7.7M 1.02% of portfolio |
 BARD ASSOCIATES INC RIA/Wealth | $4.9M 1.31% of portfolio |
 VANGUARD GROUP INC Institution | $4.7M 0.00% of portfolio |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $4.6M 0.00% of portfolio |
 ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant | $3.0M 0.00% of portfolio |
 Marshall Wace LLP Institution | $2.7M 0.00% of portfolio |
 Archon Capital Management LLC Hedge Fund•Long/Short | $2.6M 1.52% of portfolio |
 Pacific Ridge Capital Partners, LLC Long Only Manager | $2.4M 0.52% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $2.1M 0.00% of portfolio |
J JANE STREET GROUP, LLC Institution | $1.7M 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for OSS in Q3 2025
- Traded
- +$17.3M
- Buyers
- 42
- Sellers
- 17
- Total Bought
- +$21.4M
- Total Sold
- −$4.1M
- Avg Position
- $807.0K
Biggest Buyers
| Institution | Net Bought |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$3.8M +711.4K shares |
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant | +$3.0M +552.1K shares |
Archon Capital Management LLC Hedge Fund•Long/Short | +$1.7M +323.7K shares |
 Polar Securities Inc. Hedge Fund•Multi-Strategy | +$1.6M +292.3K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$1.6M +291.3K shares |
 AMH Equity Ltd Hedge Fund•Long/Short | +$1.1M +200.0K shares |
 THOMPSON SIEGEL & WALMSLEY LLC Long Only Manager | +$1.1M +200.0K shares |
 TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy | +$799.7K +149.2K shares |
VANGUARD GROUP INC Institution | +$694.0K +129.5K shares |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$666.2K +124.3K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
Lynrock Lake LP Hedge Fund•Multi-Strategy | −$3.2M −605.7K shares |
BARD ASSOCIATES INC RIA/Wealth | −$163.8K −30.6K shares |
V Virtu Financial LLC Institution | −$127.6K −23.8K shares |
 MORGAN STANLEY RIA/Wealth | −$87.4K −16.3K shares |
 ESSEX INVESTMENT MANAGEMENT CO LLC Long Only Manager | −$87.1K −16.2K shares |
S SIMPLEX TRADING, LLC Institution | −$60.1K −11.2K shares |
Q Quadrature Capital Ltd Institution | −$57.0K −16.0K shares |
Pacific Ridge Capital Partners, LLC Long Only Manager | −$48.7K −9.1K shares |
 Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | −$45.6K −12.9K shares |
 NORTHERN TRUST CORP Institution | −$44.8K −8.4K shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited OSS in Q3 2025
- New Positions
- 15
- New Value
- $8.6M
- Exited Positions
- 6
- Exited Value
- $177.8K
New Positions
| Institution | Position Value |
|---|---|
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant | $3.0M 552.1K shares |
Polar Securities Inc. Hedge Fund•Multi-Strategy | $1.6M 292.3K shares |
AMH Equity Ltd Hedge Fund•Long/Short | $1.1M 200.0K shares |
THOMPSON SIEGEL & WALMSLEY LLC Long Only Manager | $1.1M 200.0K shares |
 Trexquant Investment LP Hedge Fund•Quant | $496.4K 92.6K shares |
ACADIAN ASSET MANAGEMENT LLC Long Only Manager | $435.8K 81.3K shares |
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short | $268.0K 50.0K shares |
 Penbrook Management LLC RIA/Wealth | $254.1K 47.4K shares |
 Engineers Gate Manager LP Hedge Fund•Quant | $183.5K 34.2K shares |
 Centiva Capital, LP Hedge Fund•Multi-Strategy | $97.0K 18.1K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
Q Quadrature Capital Ltd Institution | $57.0K 16.0K shares |
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy | $45.6K 12.9K shares |
 Granite Investment Partners, LLC Long Only Manager | $39.3K 11.1K shares |
G GROUP ONE TRADING, L.P. Institution | $29.6K 8.3K shares |
 MAI Wealth Advisors RIA/Wealth | $5.1K 1.4K shares |
 CITIGROUP INC Institution | $1.2K 330.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in OSS as of Q3 2025
- Call Positions
- 3
- Call Value
- $413.5K
- Put Positions
- 2
- Put Value
- $737.5K
Call Positions
| Institution | Position Value |
|---|---|
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $193.0K 360.0 contracts |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $119.5K 223.0 contracts |
W WOLVERINE TRADING, LLC Institution | $101.0K 181.0 contracts |
Put Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $408.4K 762.0 contracts |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $329.1K 614.0 contracts |
Most Committed Institutions
Institutions with OSS as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
Archon Capital Management LLC Hedge Fund•Long/Short | 1.52% $2.6M |
AMH Equity Ltd Hedge Fund•Long/Short | 1.36% $1.1M |
BARD ASSOCIATES INC RIA/Wealth | 1.31% $4.9M |
Lynrock Lake LP Hedge Fund•Multi-Strategy | 1.02% $7.7M |
Pacific Ridge Capital Partners, LLC Long Only Manager | 0.52% $2.4M |
Penbrook Management LLC RIA/Wealth | 0.18% $254.1K |
M MYDA Advisors LLC Hedge Fund•Long/Short | 0.18% $536.0K |
 EAM Investors, LLC Long Only Manager | 0.10% $873.5K |
M Manatuck Hill Partners, LLC Hedge Fund•Long/Short | 0.09% $268.0K |
Polar Securities Inc. Hedge Fund•Multi-Strategy | 0.05% $1.6M |
Hedge Fund Spotlight
Discover hedge funds investing in OSS
Polar Securities Inc.
Hedge Fund • Multi-Strategy
Portfolio ManagerRichard Gregory Lemaich
- Portfolio Value
- $3.4B
- Positions
- 452
- Last Reported
- Q3 2025
Sector Allocation
Position in One Stop Systems, Inc.
- Market Value
- $1.6M
- Shares Held
- 292.3K
- Portfolio Weight
- 0.05%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Unknown Unknown | $282.9M | 8.42% | |
Unknown Unknown | $103.5M | 3.08% | |
Semiconductors Technology | $90.7M | 2.70% |
