One Stop Systems, Inc. Common Stock — Institutional Ownership
Which tracked institutions hold OSS, and how they changed the position last quarter. Latest holdings as of Jun 30, 2026. Source: SEC 13-F filings.
18
Funds holding
$55314400
Total value held
Buying
14 added/new · 4 reduced
| # | Institution | Value | Shares | Δ Shares | Change (QoQ) |
|---|---|---|---|---|---|
| 1 | Blackrock, Inc. | $33411931 | 1837840 | +1240537 | +207.69% |
| 2 | State Street Corp | $6985829 | 384259 | +282583 | +277.92% |
| 3 | Northern Trust Corp | $3237877 | 178101 | +131127 | +279.15% |
| 4 | Morgan Stanley | $1616239 | 88902 | -343017 | -79.42% |
| 5 | Sei Investments Co | $1534265 | 84393 | -82239 | -49.35% |
| 6 | Goldman Sachs Group Inc | $1369063 | 75306 | -1730 | -2.25% |
| 7 | Ubs Group Ag | $1312305 | 72184 | +72184 | NEW BUY |
| 8 | Bank Of New York Mellon Corp | $1135753 | 62473 | +62473 | NEW BUY |
| 9 | Raymond James Financial Inc | $1125779 | 61924 | +61924 | NEW BUY |
| 10 | Citigroup Inc | $999100 | 54956 | +50429 | +1113.96% |
| 11 | Stifel Financial Corp | $598488 | 32920 | +32920 | NEW BUY |
| 12 | Bank Of America Corp /De/ | $584505 | 32151 | +8912 | +38.35% |
| 13 | Wells Fargo & Company/Mn | $486933 | 26784 | +25784 | +2578.40% |
| 14 | Barclays Plc | $266864 | 14679 | -5824 | -28.41% |
| 15 | Marex Group Ltd | $249066 | 13700 | +13700 | NEW BUY |
| 16 | Invesco Ltd. | $221960 | 12209 | +12209 | NEW BUY |
| 17 | Jpmorgan Chase & Co | $154443 | 9315 | +9315 | NEW BUY |
| 18 | Royal Bank Of Canada | $24000 | 1315 | +763 | +138.22% |
Aggregated across tracked institutional filers. Reported quarterly on SEC Form 13-F and may lag. For research only — not investment advice.