OneStream, Inc.
OSDelisted- Industry
- Services-Prepackaged Software
- SEC CIK
- 0001889956
OneStream, Inc. was delisted in 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 | $1.63B |
| Q3 2025 | 185 | $1.45B |
| Q2 2025 | 186 | $2.49B |
| 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 |
|---|---|---|---|---|---|
| Glazer Capital, LLC | 7,537,536 | $180.9M | 3.84% | +7,537,536 | New |
| Vanguard Portfolio Management LLC | 4,900,450 | $117.6M | 0.01% | +4,900,450 | New |
| Temasek Holdings (Private) Ltd | 4,266,714 | $102.4M | 0.34% | 00.0% | Unchanged |
| FIL Ltd | 3,992,145 | $95.8M | 0.07% | +3,992,145 | New |
| Vanguard Capital Management LLC | 3,882,231 | $93.2M | 0.00% | +3,882,231 | New |
| CNH Partners LLC | 3,393,367 | $81.4M | 1.34% | +3,393,367 | New |
| Highland Capital Management Fund Advisors, L.P. | 3,358,217 | $80.6M | 5.62% | +3,358,217 | New |
| O'Connor Alternative Investments LLC | 3,186,804 | $76.5M | 4.01% | +3,186,804 | New |
| Polar Asset Management Partners Inc. | 2,944,378 | $70.7M | 1.68% | +2,944,378 | New |
| Millennium Management LLC | 2,471,107 | $59.3M | 0.04% | +2,135,526+636.4% | Added |
| BlackRock, Inc. | 2,339,550 | $56.1M | 0.00% | +233,737+11.1% | Added |
| UBS Group AG | 2,257,069 | $54.2M | 0.01% | +1,779,273+372.4% | Added |
| Man Group plc | 2,204,520 | $52.9M | 0.11% | +2,204,520 | New |
| Goldman Sachs Group Inc | 1,985,820 | $47.7M | 0.01% | +1,281,669+182.0% | Added |
| Citadel Advisors LLC | 1,890,118 | $45.4M | 0.03% | −382,193−16.8% | Reduced |
| Pentwater Capital Management LP | 1,890,000 | $45.4M | 0.32% | +1,890,000 | New |
| Vivaldi Asset Management, LLC | 1,842,189 | $44.2M | 2.32% | +1,842,189 | New |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 1,830,222 | $43.9M | 0.60% | +1,500,222+454.6% | Added |
| TIG Advisors, LLC | 1,738,231 | $41.7M | 1.99% | +1,738,231 | New |
| Morgan Stanley | 1,651,031 | $39.6M | 0.00% | +709,687+75.4% | Added |
| HSBC Holdings PLC | 1,595,839 | $38.3M | 0.02% | +1,556,366+3,942.9% | Added |
| JPMorgan Chase & Co | 1,467,884 | $35.2M | 0.00% | +1,183,223+415.7% | Added |
| Oddo BHF Asset Management SAS | 1,450,000 | $34.8M | 1.37% | +1,450,000 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 1,234,961 | $29.6M | 0.05% | +634,961+105.8% | Added |
| Alliancebernstein L.P. | 1,535,061 | $28.2M | 0.01% | +1,535,061 | New |
| Qube Research & Technologies Ltd | 1,133,221 | $27.2M | 0.04% | +373,462+49.2% | Added |
| Citigroup Inc | 1,103,394 | $26.5M | 0.02% | +824,294+295.3% | Added |
| Geode Capital Management, LLC | 1,099,122 | $26.4M | 0.00% | +32,844+3.1% | Added |
| Capula Management Ltd | 1,074,711 | $25.8M | 0.22% | +1,074,711 | New |
| Marshall Wace, LLP | 990,806 | $23.8M | 0.03% | −1,795,349−64.4% | Reduced |
| Susquehanna International Group, LLP | 984,652 | $23.6M | 0.03% | +857,444+674.0% | Added |
| Alpine Associates Management Inc. | 920,692 | $22.1M | 1.30% | +920,692 | New |
| Verition Fund Management LLC | 862,413 | $20.7M | 0.20% | +848,713+6,195.0% | Added |
| Meteora Capital, LLC | 861,800 | $20.7M | 1.53% | +861,800 | New |
| Balyasny Asset Management LLC | 817,569 | $19.6M | 0.04% | +407,944+99.6% | Added |
| Syquant Capital SAS | 789,449 | $18.9M | 2.96% | +789,449 | New |
| Nearwater Capital Markets, Ltd | 707,800 | $17.0M | 0.40% | +707,800 | New |
| Fort Baker Capital Management LP | 689,587 | $16.6M | 1.47% | +689,587 | New |
| Westchester Capital Management, LLC | 677,498 | $16.3M | 0.79% | +677,498 | New |
| Grantham, Mayo, Van Otterloo & Co. LLC | 676,553 | $16.2M | 0.04% | +676,553 | New |
| Alberta Investment Management Corp | 674,500 | $16.2M | 0.10% | +600,000+805.4% | Added |
| Bank of America Corp | 623,975 | $15.0M | 0.00% | +234,848+60.4% | Added |
| State Street Corp | 600,024 | $14.4M | 0.00% | −152,552−20.3% | Reduced |
| Gabelli Funds LLC | 523,583 | $12.6M | 0.08% | +523,583 | New |
| CIBRA Capital Ltd | 519,691 | $12.5M | 6.02% | +519,691 | New |
| Squarepoint Ops LLC | 518,231 | $12.4M | 0.03% | +518,231 | New |
| Vanguard Fiduciary Trust Co | 511,124 | $12.3M | 0.00% | +511,124 | New |
| Groupe la Francaise | 509,500 | $12.2M | 0.17% | +509,500 | New |
| Charles Schwab Investment Management Inc | 499,512 | $12.0M | 0.00% | +27,948+5.9% | Added |
| Gabelli & Co Investment Advisers, Inc. | 408,372 | $9.80M | 1.45% | +408,372 | New |
| Boothbay Fund Management, LLC | 396,426 | $9.51M | 0.22% | +194,169+96.0% | Added |
| Carmignac Gestion | 384,893 | $9.24M | 0.14% | +384,893 | New |
| Credit Industriel Et Commercial | 365,500 | $8.77M | 1.40% | +365,500 | New |
| Taconic Capital Advisors LP | 341,528 | $8.20M | 5.61% | +341,528 | New |
| AQR Capital Management LLC | 326,514 | $7.84M | 0.00% | +36,088+12.4% | Added |
| TPG GP A, LLC | 325,000 | $7.80M | 0.21% | +325,000 | New |
| Fifth Lane Capital, LP | 322,630 | $7.74M | 9.40% | +322,630 | New |
| Tokio Marine Asset Management Co Ltd | 284,300 | $6.82M | 0.24% | +284,300 | New |
| Picton Mahoney Asset Management | 274,000 | $6.58M | 0.07% | +274,000 | New |
| Trium Capital LLP | 272,803 | $6.55M | 4.75% | +272,803 | New |
| Absolute Gestao de Investimentos Ltda. | 245,160 | $5.88M | 0.67% | +245,160 | New |
| Northern Trust Corp | 240,517 | $5.77M | 0.00% | +9,339+4.0% | Added |
| Annis Gardner Whiting Capital Advisors, LLC | 227,217 | $5.46M | 0.87% | +20,933+10.1% | Added |
| SG Americas Securities, LLC | 218,311 | $5.24M | 0.01% | −56,477−20.6% | Reduced |
| New York Life Investment Management LLC | 215,678 | $5.18M | 0.04% | +215,678 | New |
| Kryger Capital LLC | 201,986 | $4.85M | 0.34% | +201,986 | New |
| Vestcor Inc | 175,000 | $4.20M | 0.12% | +175,000 | New |
| Swiss National Bank | 166,100 | $3.99M | 0.00% | +9,600+6.1% | Added |
| Maven Securities LTD | 140,000 | $3.36M | 0.19% | +140,000 | New |
| Wolverine Asset Management LLC | 122,808 | $2.95M | 0.05% | +122,808 | New |
| Algert Global LLC | 118,200 | $2.84M | 0.04% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 116,158 | $2.79M | 0.00% | +10,030+9.5% | Added |
| BNP Paribas Arbitrage, SA | 112,994 | $2.71M | 0.00% | +28,476+33.7% | Added |
| Voleon Capital Management LP | 109,728 | $2.63M | 0.06% | +95,429+667.4% | Added |
| Jane Street Group, LLC | 106,508 | $2.56M | 0.00% | −133,533−55.6% | Reduced |
| California State Teachers Retirement System | 91,857 | $2.20M | 0.00% | +21,286+30.2% | Added |
| Water Island Capital LLC | 91,120 | $2.19M | 0.29% | +91,120 | New |
| West Paces Advisors Inc. | 85,218 | $2.05M | 0.40% | 00.0% | Unchanged |
| Readystate Asset Management LP | 82,162 | $1.97M | 0.12% | −46,808−36.3% | Reduced |
| Varenne Capital Partners | 76,906 | $1.85M | 0.46% | +76,906 | New |
| CSS LLC | 65,508 | $1.57M | 0.09% | +65,508 | New |
| Yakira Capital Management, Inc. | 60,978 | $1.46M | 0.43% | +60,978 | New |
| Twin Securities, Inc. | 60,372 | $1.45M | 0.72% | +60,372 | New |
| LMR Partners LLP | 56,035 | $1.34M | 0.01% | +56,035 | New |
| Fieldview Capital Management, LLC | 54,807 | $1.32M | 0.38% | +39,536+258.9% | Added |
| Vanguard Asset Management, Ltd | 53,765 | $1.29M | 0.00% | +53,765 | New |
| Legal & General Group Plc | 52,631 | $1.26M | 0.00% | −14,242−21.3% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 50,000 | $1.20M | 0.01% | +50,000 | New |
| Ieq Capital, LLC | 47,170 | $1.13M | 0.01% | +47,170 | New |
| FMR LLC | 45,762 | $1.10M | 0.00% | +701+1.6% | Added |
| Transmarket Holdings LP | 42,726 | $1.03M | 0.55% | +42,726 | New |
| Kintayl Capital LP | 42,508 | $1.02M | 0.63% | +42,508 | New |
| Point72 Asset Management, L.P. | 37,775 | $906.6K | 0.00% | −432,990−92.0% | Reduced |
| State of Wisconsin Investment Board | 37,487 | $899.7K | 0.00% | −114,117−75.3% | Reduced |
| Versor Investments LP | 33,832 | $812.0K | 1.99% | +33,832 | New |
| Schonfeld Strategic Advisors LLC | 33,709 | $809.0K | 0.01% | +19,955+145.1% | Added |
| Barclays PLC | 33,072 | $793.7K | 0.00% | −136,242−80.5% | Reduced |
| Vanguard Global Advisers, LLC | 32,510 | $780.2K | 0.00% | +32,510 | New |
| Oxford Asset Management LLP | 30,350 | $728.4K | 0.29% | −1,588−5.0% | Reduced |
| Brevan Howard Capital Management LP | 27,198 | $652.8K | 0.01% | +16,974+166.0% | Added |