Picton Mahoney Asset Management’s OneStream Inc OS Stock Holding History

Picton Mahoney Asset Management’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	-274,000	Closed	-$6.58M	–	1677
2026 Q1	$6.58M	Buy	+274,000	New	+$6.43M	0.05%	320
2025 Q3	–	Sell	-29,090	Closed	-$824K	–	1233
2025 Q2	$824K	Buy	+29,090	New	+$724K	0.01%	414

Picton Mahoney Asset Management's OS Position: Q2 2026 in Review

Picton Mahoney Asset Management sold out of OneStream Inc (OS) in Q2 2026, closing a stake of 274,000 shares — an estimated $6.58M sold.

Picton Mahoney Asset Management first reported a position in OS in Q2 2025 and held it in 2 quarters. The position peaked at $6.58M in Q1 2026. 0 funds tracked by Wall St. Rank hold OS as of Q2 2026.

Picton Mahoney Asset Management reported no remaining OneStream Inc position as of Q2 2026 after selling out during the quarter.
Picton Mahoney Asset Management sold 274,000 OneStream Inc shares in Q2 2026, an estimated $6.58M.
Picton Mahoney Asset Management first reported a position in OneStream Inc in Q2 2025 and held it in 2 quarters.
Picton Mahoney Asset Management's OneStream Inc position peaked at $6.58M in Q1 2026.
0 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2026.

Based on Picton Mahoney Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.