Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
OS
ONESTREAM INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
ONESTREAM INC (OS) is held by 6 tracked hedge-fund managers, a combined reported value of ~$155.34M; the largest are Izzy Englander, Ken Griffin, George Soros. This quarter: 1 new, 2 added, 2 trimmed. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Gurus holding6
Congress trades0
Price—no price
Sectors0
This quarter's moves
Top holderIzzy EnglanderNew1
Added2
Trimmed / sold2
George SorosAdd
Value $43.93M0.8% of portfolio1,830,2222026 Q1
Value $3.77M— of portfolio204,3002025 Q3
Value $1.02M— of portfolio30,0002024 Q3
Value $338.4K— of portfolio14,1002026 Q1
Value $216.0K— of portfolio9,0002026 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| George Soros | $43.93M | 0.8% | Add |
| Izzy EnglanderCALL | $3.77M | — | — |
| Izzy EnglanderPUT | $1.02M | — | — |
| Ken GriffinCALL | $338.4K | — | — |
| Ken GriffinPUT | $216.0K | — | — |