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	-14,100	Closed	-$338K	–	15113
2026 Q1	$338K	Sell	14,100 -6,100	-30%	-$143K	﹤0.01%	10195
2025 Q4	$371K	Buy	20,200 +400	+2%	+$7.63K	﹤0.01%	9693
2025 Q3	$365K	Sell	19,800 -10,600	-35%	-$233K	﹤0.01%	9887
2025 Q2	$860K	Buy	30,400 +11,900	+64%	+$296K	﹤0.01%	7428
2025 Q1	$395K	Buy	18,500 +4,400	+31%	+$113K	﹤0.01%	8994
2024 Q4	$402K	Buy	14,100 +10,800	+327%	+$331K	﹤0.01%	9036
2024 Q3	$112K	Buy	+3,300	New	+$97.3K	﹤0.01%	10969

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.