| 1.2M |
| $21.3M |
| +57.5% |
| 4.736% |
| 0.00% |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | 975K | $17.7M | +1.6% | 3.935% | 0.00% |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 801K | $14.6M | +22.3% | 3.234% | 0.00% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 573K | $10.4M | +126.9% | 2.313% | 0.00% |
| 7 | BARD ASSOCIATES INC | 526K | $9.6M | -2.6% | 2.125% | 2.12% |
| 8 | Palisades Investment Partners, LLC | 414K | $7.5M | β | 1.673% | 2.14% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | 408K | $7.4M | +56.9% | 1.647% | 0.01% |
| 10 | STATE STREET CORP | 384K | $7.0M | +277.9% | 1.551% | 0.00% |
| 11 | MILLENNIUM MANAGEMENT LLC | 338K | $6.1M | -15.7% | 1.363% | 0.00% |
| 12 | Qube Research & Technologies Ltd | 319K | $5.8M | β | 1.288% | 0.01% |
| 13 | PEAK6 LLC | 200K | $3.6M | β | 0.806% | 0.01% |
| 14 | NORTHERN TRUST CORP | 178K | $3.2M | +279.2% | 0.719% | 0.00% |
| 15 | TWO SIGMA INVESTMENTS, LP | 162K | $2.9M | β | 0.655% | 0.00% |
| 16 | VANGUARD FIDUCIARY TRUST CO | 157K | $2.9M | +22.2% | 0.635% | 0.00% |
| 17 | VANGUARD PORTFOLIO MANAGEMENT LLC | 155K | $2.8M | β | 0.627% | 0.00% |
| 18 | NEW YORK STATE COMMON RETIREMENT FUND | 147K | $2.7M | β | 0.595% | 0.00% |
| 19 | DIMENSIONAL FUND ADVISORS LP | 147K | $2.7M | β | 0.593% | 0.00% |
| 20 | Squarepoint Ops LLC | 131K | $2.4M | +124.6% | 0.530% | 0.00% |
| 21 | Informed Momentum Co LLC | 131K | $2.4M | -4.0% | 0.527% | 0.21% |
| 22 | DnB Asset Management AS | 119K | $2.2M | -53.0% | 0.479% | 0.01% |
| 23 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 99K | $1.8M | +34.4% | 0.401% | 0.00% |
| 24 | Trexquant Investment LP | 98K | $1.8M | -54.8% | 0.397% | 0.01% |
| 25 | MORGAN STANLEY | 89K | $1.6M | -79.4% | 0.359% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in OSS β a direct measure of their conviction.
| 24.64% |
| 0.12 pp |
| $12M |
| 29% |
| Q4 2024 | 36 | +38% | 24.76% | +0.73 pp | $17M | +44% |
| Q3 2024 | 26 | β | 24.03% | β | $12M | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
49 institutions opened new positions in OSS during Q2 2026, while 17 fully exited. 53 added to existing positions and 6 trimmed.
OSS institutional ownership rose by 15.27 percentage points quarter-over-quarter, with a net change of +33 holders.
The top 10 institutions account for 67.6% of all reported 13F value in OSS, and the top 25 account for 86.8%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
One Stop Systems, Inc. (OSS) Institutional Ownership