Citadel Advisors’s C3is CISS Stock Holding History

Citadel Advisors’s Portfolio CISS Stock Details CISS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-340	Closed	-$11K	–	13110
2025 Q4	$11K	Buy	340 +246	+262%	+$56K	﹤0.01%	12426
2025 Q3	$28.6K	Buy	+94	New	+$39.1K	﹤0.01%	12413
2024 Q2	–	Sell	-3	Closed	-$19.5K	–	14357
2024 Q1	$19.5K	Buy	+3	New	+$114K	﹤0.01%	13030
2023 Q4	–	Hold	0	–	–	–	13222

Citadel Advisors's CISS Position: Q1 2026 in Review

Citadel Advisors sold out of C3is (CISS) in Q1 2026, closing a stake of 340 shares — an estimated $11K sold.

Citadel Advisors first reported a position in CISS in Q1 2024 and held it in 3 quarters. The position peaked at $28.6K in Q3 2025. 0 funds tracked by Wall St. Rank hold CISS as of Q1 2026.

Citadel Advisors reported no remaining C3is position as of Q1 2026 after selling out during the quarter.
Citadel Advisors sold 340 C3is shares in Q1 2026, an estimated $11K.
Citadel Advisors first reported a position in C3is in Q1 2024 and held it in 3 quarters.
Citadel Advisors's C3is position peaked at $28.6K in Q3 2025.
0 funds tracked by Wall St. Rank held C3is as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.