Skip to main content
Livermore
Livermore
ZHEN

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.

Q2 2026 vs. Q1 2026

How the institutions holding OneStream, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of OS: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders18030−177
Shares93.4M544.0K0−92.9M (−100.0%)
Value$2.23B$13.1M$0−$2.22B (−100.0%)

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (0)

Institutions that held OneStream, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

None.

Sold out (177)

Institutions that held OneStream, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Showing the largest 100 of 177 by value.

Institutions that sold out of OS in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Glazer Capital, LLC7,537,536$180.9M
Vanguard Portfolio Management LLC4,900,450$117.6M
Temasek Holdings (Private) Ltd4,266,714$102.4M
FIL Ltd3,992,145$95.8M
Vanguard Capital Management LLC3,882,231$93.2M
CNH Partners LLC3,393,367$81.4M
Highland Capital Management Fund Advisors, L.P.3,358,217$80.6M
O'Connor Alternative Investments LLC3,186,804$76.5M
Polar Asset Management Partners Inc.2,944,378$70.7M
Millennium Management LLC2,471,107$59.3M
BlackRock, Inc.2,339,550$56.1M
UBS Group AG2,257,069$54.2M
Man Group plc2,204,520$52.9M
Goldman Sachs Group Inc1,985,820$47.7M
Citadel Advisors LLC1,890,118$45.4M
Pentwater Capital Management LP1,890,000$45.4M
Vivaldi Asset Management, LLC1,842,189$44.2M
Soros Fund Management LLCSuperinvestorSoros Fund Management1,830,222$43.9M
TIG Advisors, LLC1,738,231$41.7M
Morgan Stanley1,651,031$39.6M
HSBC Holdings PLC1,595,839$38.3M
JPMorgan Chase & Co1,467,884$35.2M
Oddo BHF Asset Management SAS1,450,000$34.8M
Healthcare of Ontario Pension Plan Trust Fund1,234,961$29.6M
Alliancebernstein L.P.1,535,061$28.2M
Qube Research & Technologies Ltd1,133,221$27.2M
Citigroup Inc1,103,394$26.5M
Geode Capital Management, LLC1,099,122$26.4M
Capula Management Ltd1,074,711$25.8M
Marshall Wace, LLP990,806$23.8M
Susquehanna International Group, LLP984,652$23.6M
Alpine Associates Management Inc.920,692$22.1M
Verition Fund Management LLC862,413$20.7M
Meteora Capital, LLC861,800$20.7M
Balyasny Asset Management LLC817,569$19.6M
Syquant Capital SAS789,449$18.9M
Nearwater Capital Markets, Ltd707,800$17.0M
Fort Baker Capital Management LP689,587$16.6M
Westchester Capital Management, LLC677,498$16.3M
Grantham, Mayo, Van Otterloo & Co. LLC676,553$16.2M
Alberta Investment Management Corp674,500$16.2M
Bank of America Corp623,975$15.0M
State Street Corp600,024$14.4M
Gabelli Funds LLC523,583$12.6M
Squarepoint Ops LLC518,231$12.4M
Vanguard Fiduciary Trust Co511,124$12.3M
Groupe la Francaise509,500$12.2M
Charles Schwab Investment Management Inc499,512$12.0M
Gabelli & Co Investment Advisers, Inc.408,372$9.80M
Boothbay Fund Management, LLC396,426$9.51M
Carmignac Gestion384,893$9.24M
Credit Industriel Et Commercial365,500$8.77M
Taconic Capital Advisors LP341,528$8.20M
AQR Capital Management LLC326,514$7.84M
TPG GP A, LLC325,000$7.80M
Fifth Lane Capital, LP322,630$7.74M
Tokio Marine Asset Management Co Ltd284,300$6.82M
Picton Mahoney Asset Management274,000$6.58M
Trium Capital LLP272,803$6.55M
Absolute Gestao de Investimentos Ltda.245,160$5.88M
Northern Trust Corp240,517$5.77M
Annis Gardner Whiting Capital Advisors, LLC227,217$5.46M
SG Americas Securities, LLC218,311$5.24M
New York Life Investment Management LLC215,678$5.18M
Kryger Capital LLC201,986$4.85M
Vestcor Inc175,000$4.20M
Swiss National Bank166,100$3.99M
Maven Securities LTD140,000$3.36M
Wolverine Asset Management LLC122,808$2.95M
Algert Global LLC118,200$2.84M
UBS Asset Management Americas Inc116,158$2.79M
BNP Paribas Arbitrage, SA112,994$2.71M
Voleon Capital Management LP109,728$2.63M
Jane Street Group, LLC106,508$2.56M
California State Teachers Retirement System91,857$2.20M
Water Island Capital LLC91,120$2.19M
West Paces Advisors Inc.85,218$2.05M
Readystate Asset Management LP82,162$1.97M
Varenne Capital Partners76,906$1.85M
CSS LLC65,508$1.57M
Yakira Capital Management, Inc.60,978$1.46M
Twin Securities, Inc.60,372$1.45M
LMR Partners LLP56,035$1.34M
Fieldview Capital Management, LLC54,807$1.32M
Vanguard Asset Management, Ltd53,765$1.29M
Legal & General Group Plc52,631$1.26M
Commonwealth of Pennsylvania Public School Empls Retrmt Sys50,000$1.20M
Ieq Capital, LLC47,170$1.13M
FMR LLC45,762$1.10M
Transmarket Holdings LP42,726$1.03M
Kintayl Capital LP42,508$1.02M
Point72 Asset Management, L.P.37,775$906.6K
State of Wisconsin Investment Board37,487$899.7K
Versor Investments LP33,832$812.0K
Schonfeld Strategic Advisors LLC33,709$809.0K
Barclays PLC33,072$793.7K
Vanguard Global Advisers, LLC32,510$780.2K
Oxford Asset Management LLP30,350$728.4K
Brevan Howard Capital Management LP27,198$652.8K
Bank of New York Mellon Corp26,216$629.2K

Not filed for Q2 2026 yet (3)

Institutions that held OneStream, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding OS in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
CIBRA Capital Ltd519,691$12.5M
CWM, LLC24,307$583.4K
Sunbelt Securities, Inc.35$840