Westchester Capital Management (New York)’s OneStream Inc OS Stock Holding History

Westchester Capital Management (New York)’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
2026 Q2	–	Sell	-677,498	Closed	-$16.3M	–	336
2026 Q1	$16.3M	Buy	+677,498	New	+$15.9M	0.74%	21

Westchester Capital Management (New York)'s OS Position: Q2 2026 in Review

Westchester Capital Management (New York) sold out of OneStream Inc (OS) in Q2 2026, closing a stake of 677,498 shares — an estimated $16.3M sold.

Westchester Capital Management (New York) first reported a position in OS in Q1 2026 and held it in 1 quarter. The position peaked at $16.3M in Q1 2026. 0 funds tracked by Wall St. Rank hold OS as of Q2 2026.

Westchester Capital Management (New York) reported no remaining OneStream Inc position as of Q2 2026 after selling out during the quarter.
Westchester Capital Management (New York) sold 677,498 OneStream Inc shares in Q2 2026, an estimated $16.3M.
Westchester Capital Management (New York) first reported a position in OneStream Inc in Q1 2026 and held it in 1 quarter.
Westchester Capital Management (New York)'s OneStream Inc position peaked at $16.3M in Q1 2026.
0 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2026.

Based on Westchester Capital Management (New York)'s 13F filing for Q2 2026, filed 14 Aug 2026.