Ken Griffin’s Immuron IMRN Stock Holding History

Ken Griffin’s Portfolio IMRN Stock Details IMRN Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$10.7K	Sell	13,804 -31,978	-70%	-$26.6K	﹤0.01%	12749
2025 Q4	$34.9K	Buy	45,782 +26,220	+134%	+$43.2K	﹤0.01%	12169
2025 Q3	$37.4K	Buy	+19,562	New	+$35K	﹤0.01%	12321
2023 Q2	–	Sell	-31,252	Closed	-$57.5K	–	14765
2023 Q1	$57.5K	Sell	31,252 -15,325	-33%	-$30.9K	﹤0.01%	11979
2022 Q4	$96.9K	Buy	+46,577	New	+$93.1K	﹤0.01%	11264

Other funds holding IMRN

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

XTX Topco George Town, Cayman Islands $5.75B AUM 30.56% 1-Year Est. Return

TSS

Two Sigma Securities New York $861M AUM 21.33% 1-Year Est. Return

RhumbLine Advisers Boston, Massachusetts $133B AUM 43.5% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $289B AUM 60.46% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Ken Griffin's IMRN Position: Q1 2026 in Review

Ken Griffin reduced its Immuron (IMRN) stake by 70% in Q1 2026, selling an estimated $26.6K and leaving 13,804 shares worth $10.7K. The position accounts for ﹤0.01% of the portfolio, ranked #12749.

Ken Griffin first reported a position in IMRN in Q4 2022 and has held it in 5 quarters since. The position peaked at $96.9K in Q4 2022. 7 funds tracked by Wall St. Rank hold IMRN as of Q1 2026.

Ken Griffin held 13,804 shares of Immuron worth $10.7K as of Q1 2026.
Ken Griffin sold 31,978 Immuron shares in Q1 2026, an estimated $26.6K.
Immuron made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #12749 holding.
Ken Griffin first reported a position in Immuron in Q4 2022 and has held it in 5 quarters since.
Ken Griffin's Immuron position peaked at $96.9K in Q4 2022.
7 funds tracked by Wall St. Rank held Immuron as of Q1 2026.

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