Blackstone Inc’s OneStream Inc OS Stock Holding History

Blackstone Inc’s Portfolio OS Stock Details OS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-100,000	Closed	-$2.13M	–	202
2025 Q1	$2.13M	Sell	100,000 -150,000	-60%	-$3.85M	0.01%	112
2024 Q4	$7.13M	Buy	250,000 +80,000	+47%	+$2.45M	0.03%	87
2024 Q3	$5.76M	Buy	+170,000	New	+$5.01M	0.03%	93

Other funds holding OS

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return

Norges Bank Oslo, Norway $935B AUM

DPCM

Darlington Partners Capital Management Greenbrae, California $2.23B AUM 16.2% 1-Year Est. Return

CIP

Champlain Investment Partners Burlington, Vermont $7.88B AUM 6.82% 1-Year Est. Return

Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return

Temasek Holdings Singapore $30.5B AUM 13.98% 1-Year Est. Return

TCM

TimesSquare Capital Management New York $5.89B AUM 28.74% 1-Year Est. Return

Brown Advisory Baltimore, Maryland $60.9B AUM 15.24% 1-Year Est. Return

Blackstone Inc's OS Position: Q2 2025 in Review

Blackstone Inc sold out of OneStream Inc (OS) in Q2 2025, closing a stake of 100,000 shares — an estimated $2.13M sold.

Blackstone Inc first reported a position in OS in Q3 2024 and held it in 3 quarters. The position peaked at $7.13M in Q4 2024. 185 funds tracked by Wall St. Rank hold OS as of Q2 2025.

Blackstone Inc reported no remaining OneStream Inc position as of Q2 2025 after selling out during the quarter.
Blackstone Inc sold 100,000 OneStream Inc shares in Q2 2025, an estimated $2.13M.
Blackstone Inc first reported a position in OneStream Inc in Q3 2024 and held it in 3 quarters.
Blackstone Inc's OneStream Inc position peaked at $7.13M in Q4 2024.
185 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2025.

Based on Blackstone Inc's 13F filing for Q2 2025, filed 14 Aug 2025.