Ticker · CUSIP 45254U101

IMRN

ADR
IMMURON LTD
···Share
Holders (tracked)
1
Combined shares
45,782
Combined value
$34.9K
Last close
$0.96
Quarter
2025Q4
Price · 1Y$0.96-0.94 (-49.39%)H $2.35 · L $0.70 · Avg Vol 221K
$1.00$1.50$2.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
112021Q12025Q4
Price is +25.6% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

1 events
  1. Ken Griffin (Citadel Advisors) added2026-02-17
    +26,220 shares · 2025Q4
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for IMRN →
Follow-the-investor returns
If you'd copied each holder of IMRN…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2022Q4$1.33-27.7%$44K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to1
Trimmed0
—
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2019Q4
1
$37K
2020Q3
1
$564K
2020Q4
1
$467K
2021Q1
1
$454K
2021Q2
1
$183K
2021Q3
1
$250K
2021Q4
1
$86K
2022Q4
1
$97K
2023Q1
1
$58K
2025Q3
1
$37K
2025Q4
1
$35K

Who owns IMRN

1 super-investors · 2025Q4
Tracked stake
45.8K
shares
Combined value
$35K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Added1
#ManagerSharesValue
1Ken Griffin
Citadel Advisors
45.8K$35K

Recent moves

10 transactions
Embed this chart
Paste this iframe anywhere to embed the live IMRN chart.
<iframe src="https://openstocks.me/embed/stocks/IMRN" width="100%" height="480" frameborder="0" loading="lazy" title="IMRN chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Preview: https://openstocks.me/embed/stocks/IMRN
Explore related topics