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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.

Institutional holdersQ1 2026: 180 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 113 institutionsQ4 2024: 160 institutionsQ1 2025: 141 institutionsQ2 2025: 186 institutionsQ3 2025: 185 institutionsQ4 2025: 184 institutionsQ1 2026: 180 institutionsQ2 2026: 0 institutions
Value heldQ1 2026: $2.23B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $4.80BQ4 2024: $1.52BQ1 2025: $1.49BQ2 2025: $2.46BQ3 2025: $1.45BQ4 2025: $1.51BQ1 2026: $2.23BQ2 2026: $0
Institutions holding OS and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 2026180$2.23B
Q4 2025184$1.51B
Q3 2025185$1.45B
Q2 2025186$2.46B
Q1 2025141$1.49B
Q4 2024160$1.52B
Q3 2024113$4.80B
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding OneStream, Inc.; share changes are against Q4 2025.

Institutions holding OS in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Dunhill Financial, LLC1$410.00%−1−50.0%Reduced
TD Waterhouse Canada Inc.3$720.00%+3New
Advisory Services Network, LLC5$1200.00%+5New
CVA Family Office, LLC21$5040.00%+21New
SJS Investment Consulting Inc.28$6720.00%+18+180.0%Added
Fairman Group, LLC34$8160.00%00.0%Unchanged
Sunbelt Securities, Inc.35$8400.00%+25+250.0%Added
Capital Advisors, Ltd. LLC45$1.00K0.00%+45New
Marquette Asset Management, LLC42$1.01K0.00%−50−54.3%Reduced
International Assets Investment Management, LLC44$1.06K0.00%+44New
Northwestern Mutual Wealth Management Co50$1.20K0.00%00.0%Unchanged
Rockefeller Capital Management L.P.52$1.25K0.00%−358−87.3%Reduced
Kayne Anderson Rudnick Investment Management LLC67$1.61K0.00%−4,867,569−100.0%Reduced
True Wealth Design, LLC74$1.78K0.00%−11−12.9%Reduced
MAI Capital Management85$2.04K0.00%+85New
Wealth Preservation Advisors, LLC85$2.04K0.00%+85New
Fourth Dimension Wealth, LLC140$3.36K0.00%00.0%Unchanged
Richardson Capital Management LLC146$3.50K0.00%+146New
Farther Finance Advisors, LLC189$4.54K0.00%+170+894.7%Added
Parallel Advisors, LLC293$7.03K0.00%+232+380.3%Added
GAMMA Investing LLC305$7.32K0.00%+260+577.8%Added
Root Financial Partners, LLC337$8.09K0.00%+337New
SRS Capital Advisors, Inc.351$8.42K0.00%+351New
Armstrong Advisory Group, Inc370$8.88K0.00%00.0%Unchanged
Rothschild Investment LLC377$9.05K0.00%+264+233.6%Added
Salem Investment Counselors Inc500$12.0K0.00%+500New
ExodusPoint Capital Management, LP619$14.9K0.00%−442,232−99.9%Reduced
Advisor Group Holdings, Inc.659$15.8K0.00%−4,298−86.7%Reduced
Allworth Financial LP683$16.4K0.00%+332+94.6%Added
IFP Advisors, Inc700$16.8K0.00%+39+5.9%Added
Tower Research Capital LLC (TRC)1,143$27.4K0.00%−3,459−75.2%Reduced
Essential Partners LLC1,233$29.6K0.01%+425+52.6%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,475$35.4K0.00%+477+47.8%Added
Rhumbline Advisers1,625$39.0K0.00%00.0%Unchanged
Manchester Capital Management LLC2,000$48.0K0.01%00.0%Unchanged
KBC Group NV2,053$49.0K0.00%00.0%Unchanged
Fifth Third Bancorp3,051$73.2K0.00%+3,051New
Royal Bank of Canada3,333$80.0K0.00%−211,110−98.4%Reduced
EverSource Wealth Advisors, LLC3,626$87.0K0.00%+953+35.7%Added
Advisors Asset Management, Inc.3,678$88.3K0.00%−21−0.6%Reduced
PenderFund Capital Management Ltd.3,900$93.6K0.01%+3,900New
Simplex Trading, LLC4,363$104.7K0.00%−24,695−85.0%Reduced
US Bancorp5,730$137.5K0.00%−11,972−67.6%Reduced
Deutsche Bank AG5,827$139.8K0.00%−78,199−93.1%Reduced
Jump Financial, LLC8,351$200.4K0.00%−133,250−94.1%Reduced
LPL Financial LLC8,703$208.9K0.00%−9,686−52.7%Reduced
Ronald Blue Trust, Inc.9,137$219.3K0.00%−2,078−18.5%Reduced
Everence Capital Management Inc9,516$228.0K0.01%+9,516New
Gotham Asset Management, LLC9,999$240.0K0.00%+9,999New
Landscape Capital Management, L.L.C.10,067$241.6K0.02%+10,067New
Murchinson Ltd.10,100$242.4K0.10%+10,100New
Teacher Retirement System of Texas10,810$259.4K0.00%+10,810New
Cetera Investment Advisers10,945$262.7K0.00%−30,710−73.7%Reduced
Wells Fargo & Company11,115$266.8K0.00%−411,704−97.4%Reduced
Mercer Global Advisors Inc11,693$280.6K0.00%+11,693New
Yorktown Management & Research Co Inc12,300$295.2K0.25%+12,300New
Hudson Bay Capital Management LP12,793$307.0K0.00%−58,129−82.0%Reduced
Raymond James Financial Inc12,963$311.1K0.00%−15,524−54.5%Reduced
Montis Financial, LLC13,436$322.5K0.07%00.0%Unchanged
Quantbot Technologies LP14,382$345.2K0.01%+14,382New
Pictet Asset Management Holding SA14,769$354.5K0.00%+1,485+11.2%Added
Gamco Investors, Inc. Et Al15,000$360.0K0.00%+15,000New
Mint Tower Capital Management B.V.15,874$381.0K0.04%+15,874New
Vident Advisory, LLC16,779$402.7K0.00%+3,341+24.9%Added
Guggenheim Capital LLC18,266$438.4K0.00%+18,266New
Primecap Management Co19,500$468.0K0.00%−100−0.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)20,055$481.3K0.00%+1,845+10.1%Added
Institute for Wealth Management, LLC.20,484$491.6K0.05%00.0%Unchanged
Handelsbanken Fonder AB21,300$511.0K0.00%00.0%Unchanged
Price T Rowe Associates Inc21,355$513.0K0.00%+1,500+7.6%Added
Vanguard Investments Australia, Ltd.21,507$516.2K0.00%+21,507New
Skandinaviska Enskilda Banken AB (publ)22,000$528.0K0.01%+22,000New
Gsa Capital Partners LLP22,728$545.0K0.03%+22,728New
Arizona State Retirement System23,069$553.7K0.00%+727+3.3%Added
Mariner, LLC23,767$570.4K0.00%+23,767New
Catalyst Funds Management Pty Ltd24,200$580.8K0.10%+24,200New
CWM, LLC24,307$583.4K0.00%+14,454+146.7%Added
Cerity Partners LLC25,159$603.8K0.00%+3,978+18.8%Added
Peapack Gladstone Financial Corp25,400$610.0K0.01%−4,100−13.9%Reduced
Bank of New York Mellon Corp26,216$629.2K0.00%−200,032−88.4%Reduced
Brevan Howard Capital Management LP27,198$652.8K0.01%+16,974+166.0%Added
Oxford Asset Management LLP30,350$728.4K0.29%−1,588−5.0%Reduced
Vanguard Global Advisers, LLC32,510$780.2K0.00%+32,510New
Barclays PLC33,072$793.7K0.00%−136,242−80.5%Reduced
Schonfeld Strategic Advisors LLC33,709$809.0K0.01%+19,955+145.1%Added
Versor Investments LP33,832$812.0K1.99%+33,832New
State of Wisconsin Investment Board37,487$899.7K0.00%−114,117−75.3%Reduced
Point72 Asset Management, L.P.37,775$906.6K0.00%−432,990−92.0%Reduced
Kintayl Capital LP42,508$1.02M0.63%+42,508New
Transmarket Holdings LP42,726$1.03M0.55%+42,726New
FMR LLC45,762$1.10M0.00%+701+1.6%Added
Ieq Capital, LLC47,170$1.13M0.01%+47,170New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys50,000$1.20M0.01%+50,000New
Legal & General Group Plc52,631$1.26M0.00%−14,242−21.3%Reduced
Vanguard Asset Management, Ltd53,765$1.29M0.00%+53,765New
Fieldview Capital Management, LLC54,807$1.32M0.38%+39,536+258.9%Added
LMR Partners LLP56,035$1.34M0.01%+56,035New
Twin Securities, Inc.60,372$1.45M0.72%+60,372New
Yakira Capital Management, Inc.60,978$1.46M0.43%+60,978New
CSS LLC65,508$1.57M0.09%+65,508New