Comparable stake leader
CITADEL ADVISORS LLC
SEC ownership of Immuron Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001660046.
Disclosed value leader
CITADEL ADVISORS LLC
Comparable rows
0/11
Latest evidence
30 Jun 2026
- Public ticker
- IMRN on Nasdaq
- Parsed ownership sources
-
13F and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
CITADEL ADVISORS LLC
Ranking: Comparable ownership first, then disclosed value
- Latest parsed ownership date
-
30 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001660046
- Issuer location
- Carlton, Victoria, Australia
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
1 signal
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of Immuron Ltd (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
CITADEL ADVISORS LLC
Disclosed value leader
CITADEL ADVISORS LLC
Comparable rows
0/11
Latest evidence
30 Jun 2026
13F
3/4/5
Highest disclosed value: $45,710
11 rows are not safely comparable across share classes.
Showing 1-8 of 11 holder rows.
Quick read
CITADEL ADVISORS LLC has the largest disclosed position value at $45.7K.
0 of 11 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens CITADEL ADVISORS LLC's linked filing trail.
Disclosed position value
Top 5
CITADEL ADVISORS LLC
$45.7K
HRT FINANCIAL LP
$21K
RHUMBLINE ADVISERS
$7.8K
BNP PARIBAS FINANCIAL MARKETS
$5.5K
MORGAN STANLEY
$1.8K
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-8 of 11 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| CITADEL ADVISORS LLC |
13F
Company
|
—
class O/S missing
|
$45,710
43,123 shares
|
— | 30 Jun 2026 |
| HRT FINANCIAL LP |
13F
Company
|
—
class O/S missing
|
$21,000
20,584 shares
|
— | 30 Jun 2026 |
| RHUMBLINE ADVISERS |
13F
Company
|
—
class O/S missing
|
$7,808
7,367 shares
|
— | 30 Jun 2026 |
| BNP PARIBAS FINANCIAL MARKETS |
13F
Company
|
—
class O/S missing
|
$5,512
5,200 shares
|
— | 30 Jun 2026 |
| MORGAN STANLEY |
13F
Company
|
—
class O/S missing
|
$1,802
1,700 shares
|
— | 30 Jun 2026 |
| UBS Group AG |
13F
Company
|
—
class O/S missing
|
$385
363 shares
|
— | 30 Jun 2026 |
| Steven George Lydeamore |
3/4/5
Chief Executive Officer
|
—
class O/S missing
|
—
3,155,047 shares
|
— | 18 Mar 2026 |
| Flavio Palumbo |
3/4/5
Chief Commercial Officer
|
—
class O/S missing
|
—
1,142,909 shares
|
— | 18 Mar 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Insider buy and sell flow is broadly balanced over the last 12 months. No Buy or Sell transactions have been reported since 02 Sep 2025.
Buys
$0
Insiders: 0
Sells
$0
Insiders: 0
Net
$0
Shares: 0
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-8 of 8 reporting-owner rows connected to Immuron Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
8
Largest Forms 3/4/5 holder
Jeannette Anne Joughin
Net 12M change
$0
Latest report
18 Mar 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Jeannette Anne Joughin | Director | Mixed | 18 Mar 2026 | |||
| Ravi Savarirayan | Director | Mixed | 18 Mar 2026 | |||
| Steven George Lydeamore | Chief Executive Officer | Mixed | 18 Mar 2026 | |||
| Aaron James Laurita | Chief Financial Officer | Mixed | 09 Feb 2026 | |||
| Jerry Kanellos | Chief Scientific Officer | Mixed | 18 Mar 2026 | |||
| Paul Gerard Brennan | Chairman of the Board, Director | Mixed | 18 Mar 2026 | |||
| Daniel Jude Pollock | Director | Mixed | 18 Mar 2026 | |||
| Flavio Palumbo | Chief Commercial Officer | Mixed | 18 Mar 2026 |
Recent insider transactions for Immuron Ltd
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Flavio Palumbo | IMRN | Ordinary Shares | 0 | 1,142,909 | 18 Mar 2026 | Direct | ||||
| Daniel Jude Pollock | IMRN | Ordinary Shares | 0 | 174,480 | 18 Mar 2026 | Joint ownership with spouse | ||||
| Daniel Jude Pollock | IMRN | Ordinary Shares | 0 | 568,750 | 18 Mar 2026 | Direct | ||||
| Jerry Kanellos | IMRN | Ordinary Shares | 0 | 333,000 | 18 Mar 2026 | Direct | ||||
| Steven George Lydeamore | IMRN | Ordinary Shares | 0 | 3,155,047 | 18 Mar 2026 | Direct | ||||
| Ravi Savarirayan | IMRN | Ordinary Shares | 0 | 468,750 | 18 Mar 2026 | Joint ownership with [Sophie Beaumont] | ||||
| Ravi Savarirayan | IMRN | Ordinary Shares | 0 | 409,090 | 18 Mar 2026 | Direct |
* marks a reported price that did not pass the local price check.