Jane Street’s OneStream Inc OS Stock Holding History

Jane Street’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	-22,300	Closed	-$410K	–	13284
2025 Q4	$410K	Sell	22,300 -5,800	-21%	-$111K	﹤0.01%	8144
2025 Q3	$518K	Buy	28,100 +17,600	+168%	+$386K	﹤0.01%	7791
2025 Q2	$297K	Buy	+10,500	New	+$261K	﹤0.01%	7883

Jane Street's OS Position: Q2 2026 in Review

Jane Street sold out of OneStream Inc (OS) in Q2 2026, closing a stake of 106,508 shares — an estimated $2.56M sold.

Jane Street first reported a position in OS in Q4 2024 and held it in 5 quarters. The position peaked at $5.22M in Q2 2025. 0 funds tracked by Wall St. Rank hold OS as of Q2 2026.

Jane Street reported no remaining OneStream Inc position as of Q2 2026 after selling out during the quarter.
Jane Street sold 106,508 OneStream Inc shares in Q2 2026, an estimated $2.56M.
Jane Street first reported a position in OneStream Inc in Q4 2024 and held it in 5 quarters.
Jane Street's OneStream Inc position peaked at $5.22M in Q2 2025.
0 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2026.

Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.