11 institutions reported holding $65,748 of IMMURON LTD (IMRN) in SEC 13F filings for 2026-03-31. Largest institutional holders: MORGAN STANLEY ($23,689), XTX Topco Ltd ($13,468), CITADEL ADVISORS LLC ($10,695), TWO SIGMA SECURITIES, LLC ($8,450), RHUMBLINE ADVISERS ($5,708). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | MORGAN STANLEY | $23,689 | 30,574 | Trimmed |
| 2 | XTX Topco Ltd | $13,468 | 17,383 | Added |
| 3 | CITADEL ADVISORS LLC | $10,695 | 13,804 | Trimmed |
| 4 | TWO SIGMA SECURITIES, LLC | $8,450 | 10,906 | New |
| 5 | RHUMBLINE ADVISERS | $5,708 | 7,367 | Added |
| 6 | BNP PARIBAS FINANCIAL MARKETS | $3,564 | 4,600 | Trimmed |
| 7 | BlackRock, Inc. | $174 | 225 | New |
| 8 | UBS Group AG | $0 | 0 | Exited |
| 9 | Virtu Financial LLC | $0 | 0 | Exited |
| 10 | SBI Securities Co., Ltd. | $0 | 0 | Exited |
| 11 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31