OneStream, Inc.
OSDelisted Apr 1, 2026- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001889956
OneStream, Inc. was delisted on Apr 1, 2026; its insiders filed their last Form 4 on Apr 7, 2026; 180 institutions reported holding it in 13F filings for Q1 2026, worth $2.23B in total; Soros Fund Management was the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in OneStream, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
OS is no longer listed, so this page shows Q1 2026. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 180
- +1 vs. Q4 2025
- Shares held
- 93.4M
- +26.1M (+38.8%) vs. Q4 2025
- Total value
- $2.23B
- +$995.9M (+80.5%) vs. Q4 2025
- New holders
- 84
- 49 more added
- Sold out
- 83
- 34 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting OS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 180 | $2.23B |
| Q4 2025 | 184 | $1.51B |
| Q3 2025 | 185 | $1.45B |
| Q2 2025 | 186 | $2.46B |
| Q1 2025 | 141 | $1.49B |
| Q4 2024 | 160 | $1.52B |
| Q3 2024 | 113 | $4.80B |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding OneStream, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Armistice Capital, LLC | 0 | $0 | 0.00% | −336,000−100.0% | Sold out |
| Evergreen Capital Management LLC | 0 | $0 | 0.00% | −325,113−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −301,913−100.0% | Sold out |
| King Luther Capital Management Corp | 0 | $0 | 0.00% | −268,054−100.0% | Sold out |
| Seven Grand Managers, LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| Kornitzer Capital Management Inc | 0 | $0 | 0.00% | −245,605−100.0% | Sold out |
| Capital Fund Management S.A. | 0 | $0 | 0.00% | −242,910−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −177,462−100.0% | Sold out |
| Ossiam | 0 | $0 | 0.00% | −129,200−100.0% | Sold out |
| 2Xideas AG | 0 | $0 | 0.00% | −121,825−100.0% | Sold out |
| Envestnet Asset Management Inc | 0 | $0 | 0.00% | −110,078−100.0% | Sold out |
| Daiwa Securities Group Inc. | 0 | $0 | 0.00% | −91,247−100.0% | Sold out |
| Scalar Gauge Management, LLC | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Public Employees Retirement System of Ohio | 0 | $0 | 0.00% | −65,210−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −64,218−100.0% | Sold out |
| Bessemer Group Inc | 0 | $0 | 0.00% | −59,759−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −56,515−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −55,662−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −52,813−100.0% | Sold out |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −52,726−100.0% | Sold out |
| Elo Mutual Pension Insurance Co | 0 | $0 | 0.00% | −51,055−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −49,621−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −48,764−100.0% | Sold out |
| Diversified Trust Co | 0 | $0 | 0.00% | −45,036−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −41,168−100.0% | Sold out |
| XY Capital Ltd | 0 | $0 | 0.00% | −30,000−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −29,294−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −25,338−100.0% | Sold out |
| Gibbs Wealth Management | 0 | $0 | 0.00% | −18,677−100.0% | Sold out |
| M&T Bank Corp | 0 | $0 | 0.00% | −22,118−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −22,137−100.0% | Sold out |
| Index Fund Advisors, Inc. | 0 | $0 | 0.00% | −18,570−100.0% | Sold out |
| Atria Investments LLC | 0 | $0 | 0.00% | −17,949−100.0% | Sold out |
| KLP Kapitalforvaltning AS | 0 | $0 | 0.00% | −16,900−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −16,731−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −16,544−100.0% | Sold out |
| Advance Capital Management, Inc. | 0 | $0 | 0.00% | −15,403−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −15,216−100.0% | Sold out |
| Portside Wealth Group, LLC | 0 | $0 | 0.00% | −15,160−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −14,397−100.0% | Sold out |
| Pension & Wealth Management Advisors, Inc. | 0 | $0 | 0.00% | −14,228−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −13,007−100.0% | Sold out |
| Wiley Bros.-Aintree Capital, LLC | 0 | $0 | 0.00% | −12,302−100.0% | Sold out |
| Callan Family Office, LLC | 0 | $0 | 0.00% | −12,298−100.0% | Sold out |
| Graham Capital Management, L.P. | 0 | $0 | 0.00% | −11,785−100.0% | Sold out |
| EntryPoint Capital, LLC | 0 | $0 | 0.00% | −11,768−100.0% | Sold out |
| Concurrent Investment Advisors, LLC | 0 | $0 | 0.00% | −11,344−100.0% | Sold out |
| Norden Group LLC | 0 | $0 | 0.00% | −10,532−100.0% | Sold out |
| Cohen & Steers, Inc. | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −7,075−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −3,570−100.0% | Sold out |
| Jones Financial Companies LLLP | 0 | $0 | 0.00% | −974−100.0% | Sold out |
| Federation des caisses Desjardins du Quebec | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Atlantic Union Bankshares Corp | 0 | $0 | 0.00% | −450−100.0% | Sold out |
| Financial Network Wealth Advisors LLC | 0 | $0 | 0.00% | −370−100.0% | Sold out |
| Wolff Wiese Magana LLC | 0 | $0 | 0.00% | −330−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −172−100.0% | Sold out |
| Roble, Belko & Company, Inc | 0 | $0 | 0.00% | −33−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Strategic Wealth Partners, Ltd. | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| Janney Capital Management LLC | – | – | – | – | Not filed |