ONESTREAM, INC.

PublicCIK: 1889956
OSNASDAQ
Location

BIRMINGHAM, MI

13F Filings

Institutional Holders

ONESTREAM, INC.OS— Latest position per institution from SEC 13F filings

15

Institutional holders

184.15M

Total shares held

5.07B

Estimated value

9.21M

Avg. position size

1

KOHLBERG KRAVIS ROBERTS & CO. L.P.

CIK 1399770

Shares

108.75M

Value

3.69B

Filed

Sep 30, 2024

2

VANGUARD GROUP INC

CIK 102909

Shares

8.58M

Value

157.71M

Filed

Dec 31, 2025

3

GLAZER CAPITAL, LLC

CIK 1076809

Shares

7.54M

Value

180.90K

Filed

Mar 31, 2026

4

NORGES BANK

CIK 1374170

Shares

5.97M

Value

109.80M

Filed

Dec 31, 2025

5

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

4.90M

Value

117.61M

Filed

Mar 31, 2026

6

TEMASEK HOLDINGS (PRIVATE) LTD

CIK 1021944

Shares

4.27M

Value

102.40M

Filed

Mar 31, 2026

7

FIL LTD

CIK 318989

Shares

3.99M

Value

95.81M

Filed

Mar 31, 2026

8

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

3.88M

Value

93.17M

Filed

Mar 31, 2026

9

DARLINGTON PARTNERS CAPITAL MANAGEMENT, LP

CIK 1854440

Shares

3.84M

Value

70.57M

Filed

Dec 31, 2025

10

T. ROWE PRICE INVESTMENT MANAGEMENT, INC.

CIK 1897612

Shares

3.84M

Value

70.57K

Filed

Dec 31, 2025

11

AQR ARBITRAGE LLC

CIK 1167456

Shares

3.39M

Value

81.44M

Filed

Mar 31, 2026

12

BROWN ADVISORY INC

CIK 1345929

Shares

3.38M

Value

62.06M

Filed

Dec 31, 2025

13

NEXPOINT ASSET MANAGEMENT, L.P.

CIK 1469877

Shares

3.36M

Value

80.60M

Filed

Mar 31, 2026

14

O'CONNOR ALTERNATIVE INVESTMENTS LLC

CIK 2081629

Shares

3.19M

Value

76.48M

Filed

Mar 31, 2026

15

POLAR ASSET MANAGEMENT PARTNERS INC.

CIK 1326389

Shares

2.94M

Value

70.67M

Filed

Mar 31, 2026

16

TIMESSQUARE CAPITAL MANAGEMENT, LLC

CIK 1313816

Shares

2.67M

Value

49.04M

Filed

Dec 31, 2025

17

FULLER & THALER ASSET MANAGEMENT, INC.

CIK 1082327

Shares

2.59M

Value

47.65M

Filed

Dec 31, 2025

18

MILLENNIUM MANAGEMENT LLC

CIK 1273087

Shares

2.47M

Value

59.31M

Filed

Mar 31, 2026

19

BLACKROCK, INC.

CIK 2012383

Shares

2.34M

Value

56.15M

Filed

Mar 31, 2026

20

UBS GROUP AG

CIK 1610520

Shares

2.26M

Value

54.17M

Filed

Mar 31, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.