Jane Street’s Immuron IMRN Stock Holding History

Jane Street’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	–	Sell	-22,458	Closed	-$17.1K	–	12228
2025 Q4	$17.1K	Buy	+22,458	New	+$37K	﹤0.01%	10759
2019 Q4	–	Sell	-12,052	Closed	-$36K	–	5387
2019 Q3	$36K	Buy	+12,052	New	+$36.1K	﹤0.01%	4916

Other funds holding IMRN

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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

Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return

TSS

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

RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return

BNP Paribas Financial Markets Paris, France $206B AUM 31.61% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Jane Street's IMRN Position: Q1 2026 in Review

Jane Street sold out of Immuron (IMRN) in Q1 2026, closing a stake of 22,458 shares — an estimated $17.1K sold.

Jane Street first reported a position in IMRN in Q3 2019 and held it in 2 quarters. The position peaked at $36K in Q3 2019. 7 funds tracked by Wall St. Rank hold IMRN as of Q1 2026.

Jane Street reported no remaining Immuron position as of Q1 2026 after selling out during the quarter.
Jane Street sold 22,458 Immuron shares in Q1 2026, an estimated $17.1K.
Jane Street first reported a position in Immuron in Q3 2019 and held it in 2 quarters.
Jane Street's Immuron position peaked at $36K in Q3 2019.
7 funds tracked by Wall St. Rank held Immuron as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.