Group One Trading’s OneStream Inc OS Stock Holding History

Group One Trading’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 Q1	–	Sell	-7,075	Closed	-$166K	–	8989
2025 Q4	$130K	Sell	7,075 -7,650	-52%	-$146K	﹤0.01%	4764
2025 Q3	$271K	Buy	+14,725	New	+$323K	﹤0.01%	4337

Group One Trading's OS Position: Q1 2026 in Review

Group One Trading sold out of OneStream Inc (OS) in Q1 2026, closing a stake of 7,075 shares — an estimated $166K sold.

Group One Trading first reported a position in OS in Q3 2025 and held it in 2 quarters. The position peaked at $271K in Q3 2025. 180 funds tracked by Wall St. Rank hold OS as of Q1 2026.

Group One Trading reported no remaining OneStream Inc position as of Q1 2026 after selling out during the quarter.
Group One Trading sold 7,075 OneStream Inc shares in Q1 2026, an estimated $166K.
Group One Trading first reported a position in OneStream Inc in Q3 2025 and held it in 2 quarters.
Group One Trading's OneStream Inc position peaked at $271K in Q3 2025.
180 funds tracked by Wall St. Rank held OneStream Inc as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.