Citadel Advisors’s OneStream Inc OS Stock Holding History

Citadel Advisors’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	-1,890,118	Closed	-$45.4M	–	15116
2026 Q1	$45.4M	Sell	1,890,118 -382,193	-17%	-$8.96M	0.01%	1448
2025 Q4	$41.8M	Buy	2,272,311 +1,871,452	+467%	+$35.7M	0.01%	1586
2025 Q3	$7.39M	Sell	400,859 -809,254	-67%	-$17.8M	﹤0.01%	3709
2025 Q2	$34.2M	Buy	1,210,113 +457,843	+61%	+$11.4M	0.01%	1553
2025 Q1	$16.1M	Buy	752,270 +23,820	+3%	+$611K	﹤0.01%	2284
2024 Q4	$20.8M	Buy	728,450 +197,175	+37%	+$6.05M	﹤0.01%	2126
2024 Q3	$18M	Buy	+531,275	New	+$15.7M	﹤0.01%	2154

Citadel Advisors's OS Position: Q2 2026 in Review

Citadel Advisors sold out of OneStream Inc (OS) in Q2 2026, closing a stake of 1,890,118 shares — an estimated $45.4M sold.

Citadel Advisors first reported a position in OS in Q3 2024 and held it in 7 quarters. The position peaked at $45.4M in Q1 2026. 0 funds tracked by Wall St. Rank hold OS as of Q2 2026.

Citadel Advisors reported no remaining OneStream Inc position as of Q2 2026 after selling out during the quarter.
Citadel Advisors sold 1,890,118 OneStream Inc shares in Q2 2026, an estimated $45.4M.
Citadel Advisors first reported a position in OneStream Inc in Q3 2024 and held it in 7 quarters.
Citadel Advisors's OneStream Inc position peaked at $45.4M in Q1 2026.
0 funds tracked by Wall St. Rank held OneStream Inc as of Q2 2026.

Based on Citadel Advisors's 13F filing for Q2 2026, filed 14 Aug 2026.