One Stop Systems Ownership | Who Owns One Stop Systems?
One Stop Systems Ownership Summary
One Stop Systems is owned by 20.35% institutional investors, 11.52% insiders, and 68.13% retail investors. Vanguard group is the largest institutional shareholder, holding 4.80% of OSS shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.80% of its assets in One Stop Systems shares.
OSS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | One Stop Systems | 20.35% | 11.52% | 68.13% |
| Sector | Technology Stocks | 36.93% | 14.89% | 48.18% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 1.05M | 4.80% | $7.57M |
| Jane street group | 874.56K | 3.90% | $6.62M |
| Blackrock funding, inc. /de | 597.30K | 2.67% | $4.52M |
| Bard associates | 540.67K | 2.41% | $4.09M |
| Morgan stanley | 431.92K | 1.93% | $3.27M |
| Marshall wace, llp | 418.98K | 1.87% | $3.17M |
| Ubs group | 407.01K | 1.82% | $3.08M |
| Millennium management | 400.73K | 1.79% | $3.03M |
| Citadel advisors | 356.68K | 1.59% | $2.70M |
| Polar asset management partners | 292.25K | 1.35% | $1.57M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Amh equity | 200.00K | 1.33% | $1.07M |
| Bard associates | 540.67K | 1.03% | $4.09M |
| Penbrook management | 46.74K | 0.27% | $353.82K |
| Oxford asset management llp | 64.40K | 0.21% | $487.53K |
| Eam investors | 135.99K | 0.12% | $1.03M |
| Essex investment management | 35.53K | 0.04% | $268.99K |
| Baker tilly wealth management | 20.00K | 0.04% | $151.40K |
| Anfield capital management | 17.00K | 0.04% | $128.69K |
| 683 capital management | 60.00K | 0.02% | $454.20K |
| Nkcfo | 10.00K | 0.02% | $76.00K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 597.30K | 0.00% | 459.86K |
| Ubs group | 407.01K | 0.00% | 400.00K |
| Morgan stanley | 431.92K | 0.00% | 369.68K |
| Millennium management | 400.73K | 0.00% | 359.22K |
| Polar asset management partners | 292.25K | 0.02% | 292.25K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Arrowstreet capital, limited partnership | - | - | -693.49K |
| Lynrock lake lp | 666.00 | 0.00% | -665.25K |
| Pacific ridge capital partners | - | - | -432.36K |
| Herald investment management | - | - | -379.06K |
| Archon capital management | - | - | -326.81K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Polar asset management partners | 292.25K | 0.02% | 292.25K | $1.57M |
| Amh equity | 200.00K | 1.33% | 200.00K | $1.07M |
| Vanguard fiduciary trust | 128.76K | 0.00% | 128.76K | $974.71K |
| Mirae asset global etfs | 73.86K | 0.00% | 73.86K | $559.16K |
| Oxford asset management llp | 64.40K | 0.21% | 64.40K | $487.53K |
Sold Out
| Holder | Change |
|---|---|
| Org partners | -120.00 |
| Stone house investment management | -300.00 |
| Lazard asset management | -845.00 |
| Simplex trading | -4.06K |
| Sunbelt securities | -4.60K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 38 | -48.65% | 4,558,442 | -50.97% | 20 | 1.13% | 24 | -50.00% | 9 | -47.06% |
| Dec 31, 2025 | 40 | -36.51% | 5,344,214 | -44.98% | 24 | 1.21% | 26 | -40.91% | 9 | -18.18% |
| Sep 30, 2025 | 62 | 63.16% | 9,710,897 | 57.40% | 44 | 5.53% | 43 | 115.00% | 11 | - |
| Jun 30, 2025 | 42 | 13.51% | 6,431,955 | 20.85% | 29 | 4.79% | 21 | 5.00% | 12 | 71.43% |
| Mar 31, 2025 | 3 | -92.68% | 2,082,998 | -60.51% | 9 | 1.55% | 1 | -95.83% | - | -100.00% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 693.56K | 2.80% | - |
| Vanguard US Total Market Shares ETF | 498.28K | 2.34% | - |
| Pacific Ridge Capital Ptnrs Micro Cp Val | 485.55K | 2.31% | -27.82K |
| Herald Ord | 379.06K | 1.80% | -105.27K |
| DNB Fund Disrpt Opps A EUR Acc | 252.72K | 1.02% | 18.28K |
| Vanguard Institutional Extnd Mkt Idx Tr | 248.32K | 1.00% | 7.68K |
| IMC US Ultra Micro Cap | 166.63K | 0.67% | - |
| Acuitas US Microcap Strategy | 145.31K | 0.59% | - |
| Fidelity Extended Market Index | 116.50K | 0.47% | 694.00 |
| Adara Smaller Companies | 85.25K | 0.35% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 26, 2026 | BASSETT DAVID GEORGE | - | Sell | $141.12K |
| May 26, 2026 | Matz Gregory W | - | Sell | $140.16K |
| May 26, 2026 | Herbets Mitchell H | - | Sell | $88.10K |
| Aug 13, 2024 | Manko Joseph M. Jr. | - | Buy | $97.00K |
| Aug 14, 2024 | Manko Joseph M. Jr. | - | Buy | $49.75K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 3 |
| 2026 Q1 | - | - |
| 2025 Q4 | - | - |
| 2025 Q3 | - | - |
| 2025 Q2 | - | - |
OSS Ownership FAQ
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