Who Owns OneStream, Inc. Class A Common Stock (OS)?Hedge Fund & Institutional Holders

$23.64+0.07 (+0.32%)TechnologyNASDAQ

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

Infinity%

QoQ Change in Holders

+12 / -2

Price History

$16.65$21.10$25.55$30.00$34.45Sep 24Jun 25Mar 26

OS — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
FULLER & THALER ASSET MANAGEMENT, INC.New Position+2.6M+$47.0B
CITADEL ADVISORS LLCIncreased+1.9M+$33.6B
MOORE CAPITAL MANAGEMENT, LPNew Position+1.2M+$22.1B
MASSACHUSETTS FINANCIAL SERVICES CO /MA/New Position+1.1M+$19.3B
FEDERATED HERMES, INC.New Position+850K+$15.0B
Point72 Asset Management, L.P.New Position+471K+$8.0B
ExodusPoint Capital Management, LPNew Position+443K+$8.0B
BALYASNY ASSET MANAGEMENT L.P.New Position+410K+$7.0B
Capricorn Fund Managers LtdNew Position+380K+$7.0B
EVERGREEN CAPITAL MANAGEMENT LLCNew Position+325K+$6.0B
AQR CAPITAL MANAGEMENT LLCNew Position+290K+$5.0B
KORNITZER CAPITAL MANAGEMENT INC /KSNew Position+246K+$4.5B
Alyeska Investment Group, L.P.Increased+205K+$3.0B
Annis Gardner Whiting Capital Advisors, LLCNew Position+206K+$3.0B
TimesSquare Capital Management, LLCIncreased+123K+$2.1B

OS — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
ALLIANCEBERNSTEIN L.P.Closed Position-2.7M-$49.0B
KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLCDecreased-1.3M-$25.0B
ROYAL BANK OF CANADADecreased-982K-$19.1B
Champlain Investment Partners, LLCDecreased-770K-$14.3B
SEVEN GRAND MANAGERS, LLCDecreased-250K-$9.2B
SUSQUEHANNA INTERNATIONAL GROUP, LLPDecreased-450K-$8.6B
VOLORIDGE INVESTMENT MANAGEMENT, LLCDecreased-82K-$8.0B
Burkehill Global Management, LPClosed Position-400K-$7.4B
MILLENNIUM MANAGEMENT LLCDecreased-368K-$7.0B
ALKEON CAPITAL MANAGEMENT LLCDecreased-325K-$6.7B
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDDecreased-350K-$6.5B
Trexquant Investment LPDecreased-299K-$6.4B
BROWN ADVISORY INCDecreased-270K-$6.2B
Verition Fund Management LLCDecreased-322K-$6.2B
Jain Global LLCDecreased-275K-$5.4B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1Temasek Holdings (Private) Ltd4,266,714$78.0B247.04%Share
2BROWN ADVISORY INC3,222,544$59.0B82.31%Share
3KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC2,924,070$53.7B144.25%Share
4TimesSquare Capital Management, LLC2,668,307$49.0B738.78%Share
5FULLER & THALER ASSET MANAGEMENT, INC.2,592,382$47.0B161.50%Share
6CITADEL ADVISORS LLC2,244,843$41.0B6.16%Share
7Champlain Investment Partners, LLC2,116,556$38.9B393.86%Share
8KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC1,943,566$35.7B95.88%Share
9WASATCH ADVISORS LP1,334,873$24.5B145.77%Share
10Neuberger Berman Group LLC1,263,827$23.0B17.12%Share
11AMERICAN CENTURY COMPANIES INC1,271,265$23.0B11.56%Share
12MOORE CAPITAL MANAGEMENT, LP1,204,698$22.1B318.71%Share
13MASSACHUSETTS FINANCIAL SERVICES CO /MA/1,050,802$19.3B6.23%Share
14WELLINGTON MANAGEMENT GROUP LLP969,337$17.0B2.98%Share
15FEDERATED HERMES, INC.850,000$15.0B25.06%Share
16HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND600,000$11.0B18.40%Share
17Clearbridge Investments, LLC613,505$11.0B8.81%Share
18Alyeska Investment Group, L.P.530,341$9.0B25.42%Share
19UBS Group AG475,673$8.7B1.42%Share
20ALKEON CAPITAL MANAGEMENT LLC475,000$8.0B12.67%Share
21TD ASSET MANAGEMENT INC438,496$8.0B6.44%Share
22Point72 Asset Management, L.P.470,765$8.0B8.95%Share
23CHARLES SCHWAB INVESTMENT MANAGEMENT INC471,564$8.0B1.24%Share
24ExodusPoint Capital Management, LP442,851$8.0B62.75%Share
25BALYASNY ASSET MANAGEMENT L.P.409,625$7.0B8.89%Share
26GOLDMAN SACHS GROUP INC404,462$7.0B0.86%Share
27Capricorn Fund Managers Ltd380,000$7.0B1.68%Share
28SOROS FUND MANAGEMENT LLC330,000$6.1B70.27%Share
29MILLENNIUM MANAGEMENT LLC335,581$6.0B2.52%Share
30EVERGREEN CAPITAL MANAGEMENT LLC325,100$6.0B0.13%Share
31M&T BANK CORP30,131$5.3B17.17%Share
32AQR CAPITAL MANAGEMENT LLC285,829$5.0B2.62%Share
33WELLS FARGO & COMPANY/MN293,462$5.0B0.91%Share
34GOLDMAN SACHS GROUP INC299,689$5.0B0.62%Share
35SEI INVESTMENTS CO301,888$5.0B4.94%Share
36KORNITZER CAPITAL MANAGEMENT INC /KS245,605$4.5B0.09%Share
37CITIGROUP INC240,221$4.0B1.77%Share
38WELLINGTON MANAGEMENT GROUP LLP255,684$4.0B0.70%Share
39CAPITAL FUND MANAGEMENT S.A.242,910$4.0B11.11%Share
40KING LUTHER CAPITAL MANAGEMENT CORP268,054$4.0B16.27%Share
41Annis Gardner Whiting Capital Advisors, LLC206,284$3.0B0.57%Share
42ROYAL BANK OF CANADA213,831$3.0B0.49%Share
43NORTHERN TRUST CORP186,379$3.0B0.38%Share
44BARCLAYS PLC169,284$3.0B0.72%Share
452Xideas AG121,825$2.2B0.63%Share
46WELLS FARGO & COMPANY/MN126,489$2.0B0.36%Share
47BANK OF AMERICA CORP /DE/111,192$2.0B0.15%Share
48SUSQUEHANNA INTERNATIONAL GROUP, LLP146,700$2.0B0.23%Call
49OSSIAM129,200$2.0B39.94%Share
50Swiss National Bank156,500$2.0B1.19%Share

OS Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025180$771.1B+32
Q3 2025148$850.6B-3
Q2 2025151$942.1B+12
Q1 2025139$973.9B-13
Q4 2024152$2.6T+53
Q3 202499$43.1T—

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As of Q4 2025, 50 institutional investors hold OS (OneStream, Inc. Class A Common Stock). The largest holder is Temasek Holdings (Private) Ltd with $78.0B in shares. This quarter, 12 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own OS?

As of Q4 2025, 50 institutional investors report holding OS (OneStream, Inc. Class A Common Stock) in their 13F filings.

Who is the largest institutional holder of OS?

The largest institutional holder of OS is Temasek Holdings (Private) Ltd with $78.0B in shares.

Is institutional ownership of OS increasing or decreasing?

This quarter, 12 institutions opened new positions in OS and 2 closed their positions.