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	-9,000	Closed	-$216K	–	15115
2026 Q1	$216K	Sell	9,000 -64,600	-88%	-$1.52M	﹤0.01%	11264
2025 Q4	$1.35M	Sell	73,600 -33,500	-31%	-$639K	﹤0.01%	6747
2025 Q3	$1.97M	Buy	107,100 +96,300	+892%	+$2.11M	﹤0.01%	6094
2025 Q2	$306K	Sell	10,800 -2,200	-17%	-$54.8K	﹤0.01%	9773
2025 Q1	$277K	Buy	13,000 +9,100	+233%	+$233K	﹤0.01%	9774
2024 Q4	$111K	Sell	3,900 -1,300	-25%	-$39.9K	﹤0.01%	11315
2024 Q3	$176K	Buy	+5,200	New	+$153K	﹤0.01%	10331

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.