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 |
|---|---|---|---|---|---|
| Varenne Capital Partners | 76,906 | $1.85M | 0.46% | +76,906 | New |
| Readystate Asset Management LP | 82,162 | $1.97M | 0.12% | −46,808−36.3% | Reduced |
| West Paces Advisors Inc. | 85,218 | $2.05M | 0.40% | 00.0% | Unchanged |
| Water Island Capital LLC | 91,120 | $2.19M | 0.29% | +91,120 | New |
| California State Teachers Retirement System | 91,857 | $2.20M | 0.00% | +21,286+30.2% | Added |
| Jane Street Group, LLC | 106,508 | $2.56M | 0.00% | −133,533−55.6% | Reduced |
| Voleon Capital Management LP | 109,728 | $2.63M | 0.06% | +95,429+667.4% | Added |
| BNP Paribas Arbitrage, SA | 112,994 | $2.71M | 0.00% | +28,476+33.7% | Added |
| UBS Asset Management Americas Inc | 116,158 | $2.79M | 0.00% | +10,030+9.5% | Added |
| Algert Global LLC | 118,200 | $2.84M | 0.04% | 00.0% | Unchanged |
| Wolverine Asset Management LLC | 122,808 | $2.95M | 0.05% | +122,808 | New |
| Maven Securities LTD | 140,000 | $3.36M | 0.19% | +140,000 | New |
| Swiss National Bank | 166,100 | $3.99M | 0.00% | +9,600+6.1% | Added |
| Vestcor Inc | 175,000 | $4.20M | 0.12% | +175,000 | New |
| Kryger Capital LLC | 201,986 | $4.85M | 0.34% | +201,986 | New |
| New York Life Investment Management LLC | 215,678 | $5.18M | 0.04% | +215,678 | New |
| SG Americas Securities, LLC | 218,311 | $5.24M | 0.01% | −56,477−20.6% | Reduced |
| Annis Gardner Whiting Capital Advisors, LLC | 227,217 | $5.46M | 0.87% | +20,933+10.1% | Added |
| Northern Trust Corp | 240,517 | $5.77M | 0.00% | +9,339+4.0% | Added |
| Absolute Gestao de Investimentos Ltda. | 245,160 | $5.88M | 0.67% | +245,160 | New |
| Trium Capital LLP | 272,803 | $6.55M | 4.75% | +272,803 | New |
| Picton Mahoney Asset Management | 274,000 | $6.58M | 0.07% | +274,000 | New |
| Tokio Marine Asset Management Co Ltd | 284,300 | $6.82M | 0.24% | +284,300 | New |
| Fifth Lane Capital, LP | 322,630 | $7.74M | 9.40% | +322,630 | New |
| TPG GP A, LLC | 325,000 | $7.80M | 0.21% | +325,000 | New |
| AQR Capital Management LLC | 326,514 | $7.84M | 0.00% | +36,088+12.4% | Added |
| Taconic Capital Advisors LP | 341,528 | $8.20M | 5.61% | +341,528 | New |
| Credit Industriel Et Commercial | 365,500 | $8.77M | 1.40% | +365,500 | New |
| Carmignac Gestion | 384,893 | $9.24M | 0.14% | +384,893 | New |
| Boothbay Fund Management, LLC | 396,426 | $9.51M | 0.22% | +194,169+96.0% | Added |
| Gabelli & Co Investment Advisers, Inc. | 408,372 | $9.80M | 1.45% | +408,372 | New |
| Charles Schwab Investment Management Inc | 499,512 | $12.0M | 0.00% | +27,948+5.9% | Added |
| Groupe la Francaise | 509,500 | $12.2M | 0.17% | +509,500 | New |
| Vanguard Fiduciary Trust Co | 511,124 | $12.3M | 0.00% | +511,124 | New |
| Squarepoint Ops LLC | 518,231 | $12.4M | 0.03% | +518,231 | New |
| CIBRA Capital Ltd | 519,691 | $12.5M | 6.02% | +519,691 | New |
| Gabelli Funds LLC | 523,583 | $12.6M | 0.08% | +523,583 | New |
| State Street Corp | 600,024 | $14.4M | 0.00% | −152,552−20.3% | Reduced |
| Bank of America Corp | 623,975 | $15.0M | 0.00% | +234,848+60.4% | Added |
| Alberta Investment Management Corp | 674,500 | $16.2M | 0.10% | +600,000+805.4% | Added |
| Grantham, Mayo, Van Otterloo & Co. LLC | 676,553 | $16.2M | 0.04% | +676,553 | New |
| Westchester Capital Management, LLC | 677,498 | $16.3M | 0.79% | +677,498 | New |
| Fort Baker Capital Management LP | 689,587 | $16.6M | 1.47% | +689,587 | New |
| Nearwater Capital Markets, Ltd | 707,800 | $17.0M | 0.40% | +707,800 | New |
| Syquant Capital SAS | 789,449 | $18.9M | 2.96% | +789,449 | New |
| Balyasny Asset Management LLC | 817,569 | $19.6M | 0.04% | +407,944+99.6% | Added |
| Meteora Capital, LLC | 861,800 | $20.7M | 1.53% | +861,800 | New |
| Verition Fund Management LLC | 862,413 | $20.7M | 0.20% | +848,713+6,195.0% | Added |
| Alpine Associates Management Inc. | 920,692 | $22.1M | 1.30% | +920,692 | New |
| Susquehanna International Group, LLP | 984,652 | $23.6M | 0.03% | +857,444+674.0% | Added |
| Marshall Wace, LLP | 990,806 | $23.8M | 0.03% | −1,795,349−64.4% | Reduced |
| Capula Management Ltd | 1,074,711 | $25.8M | 0.22% | +1,074,711 | New |
| Geode Capital Management, LLC | 1,099,122 | $26.4M | 0.00% | +32,844+3.1% | Added |
| Citigroup Inc | 1,103,394 | $26.5M | 0.02% | +824,294+295.3% | Added |
| Qube Research & Technologies Ltd | 1,133,221 | $27.2M | 0.04% | +373,462+49.2% | Added |
| Alliancebernstein L.P. | 1,535,061 | $28.2M | 0.01% | +1,535,061 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 1,234,961 | $29.6M | 0.05% | +634,961+105.8% | Added |
| Oddo BHF Asset Management SAS | 1,450,000 | $34.8M | 1.37% | +1,450,000 | New |
| JPMorgan Chase & Co | 1,467,884 | $35.2M | 0.00% | +1,183,223+415.7% | Added |
| HSBC Holdings PLC | 1,595,839 | $38.3M | 0.02% | +1,556,366+3,942.9% | Added |
| Morgan Stanley | 1,651,031 | $39.6M | 0.00% | +709,687+75.4% | Added |
| TIG Advisors, LLC | 1,738,231 | $41.7M | 1.99% | +1,738,231 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 1,830,222 | $43.9M | 0.60% | +1,500,222+454.6% | Added |
| Vivaldi Asset Management, LLC | 1,842,189 | $44.2M | 2.32% | +1,842,189 | New |
| Pentwater Capital Management LP | 1,890,000 | $45.4M | 0.32% | +1,890,000 | New |
| Citadel Advisors LLC | 1,890,118 | $45.4M | 0.03% | −382,193−16.8% | Reduced |
| Goldman Sachs Group Inc | 1,985,820 | $47.7M | 0.01% | +1,281,669+182.0% | Added |
| Man Group plc | 2,204,520 | $52.9M | 0.11% | +2,204,520 | New |
| UBS Group AG | 2,257,069 | $54.2M | 0.01% | +1,779,273+372.4% | Added |
| BlackRock, Inc. | 2,339,550 | $56.1M | 0.00% | +233,737+11.1% | Added |
| Millennium Management LLC | 2,471,107 | $59.3M | 0.04% | +2,135,526+636.4% | Added |
| Polar Asset Management Partners Inc. | 2,944,378 | $70.7M | 1.68% | +2,944,378 | New |
| O'Connor Alternative Investments LLC | 3,186,804 | $76.5M | 4.01% | +3,186,804 | New |
| Highland Capital Management Fund Advisors, L.P. | 3,358,217 | $80.6M | 5.62% | +3,358,217 | New |
| CNH Partners LLC | 3,393,367 | $81.4M | 1.34% | +3,393,367 | New |
| Vanguard Capital Management LLC | 3,882,231 | $93.2M | 0.00% | +3,882,231 | New |
| FIL Ltd | 3,992,145 | $95.8M | 0.07% | +3,992,145 | New |
| Temasek Holdings (Private) Ltd | 4,266,714 | $102.4M | 0.34% | 00.0% | Unchanged |
| Vanguard Portfolio Management LLC | 4,900,450 | $117.6M | 0.01% | +4,900,450 | New |
| Glazer Capital, LLC | 7,537,536 | $180.9M | 3.84% | +7,537,536 | New |
| T. Rowe Price Investment Management, Inc. | 0 | $0 | 0.00% | −7,779,413−100.0% | Sold out |
| Darlington Partners Capital Management, LP | 0 | $0 | 0.00% | −3,839,405−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −3,376,401−100.0% | Sold out |
| TimesSquare Capital Management, LLC | 0 | $0 | 0.00% | −2,668,307−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −2,592,382−100.0% | Sold out |
| Champlain Investment Partners, LLC | 0 | $0 | 0.00% | −2,116,556−100.0% | Sold out |
| Wellington Management Group LLP | 0 | $0 | 0.00% | −1,342,754−100.0% | Sold out |
| Wasatch Advisors Inc | 0 | $0 | 0.00% | −1,334,873−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −1,281,694−100.0% | Sold out |
| American Century Companies Inc | 0 | $0 | 0.00% | −1,271,265−100.0% | Sold out |
| Moore Capital Management, LP | 0 | $0 | 0.00% | −1,204,698−100.0% | Sold out |
| Massachusetts Financial Services Co | 0 | $0 | 0.00% | −1,050,802−100.0% | Sold out |
| Federated Hermes, Inc. | 0 | $0 | 0.00% | −850,000−100.0% | Sold out |
| Clearbridge Investments, LLC | 0 | $0 | 0.00% | −613,505−100.0% | Sold out |
| Tensile Capital Management LP | 0 | $0 | 0.00% | −541,070−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −530,341−100.0% | Sold out |
| Alkeon Capital Management LLC | 0 | $0 | 0.00% | −475,000−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −438,496−100.0% | Sold out |
| Capricorn Fund Managers Ltd | 0 | $0 | 0.00% | −380,000−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −353,662−100.0% | Sold out |