IMRN — IMMURON LTD
As of Q2 2026, 3 SEC-registered investment managers reported holding IMRN (IMMURON LTD) in their latest 13F filings, with a combined reported value of $47.90K across 45.19K shares. That is +1.3% by share count (+583 shares) versus the previous quarter, while reported value moved +38.6%. Ownership is concentrated: the five largest holders account for 100.0% of reported value and the top ten for 100.0%.
Compared with the prior quarter, 1 opened new positions, 1 added to existing stakes, 1 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
IMRN is classified in the Health Care sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
| Fund | Quarter | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|---|
| Renaissance Technologies history | Q4 2021 | 34.31K | $86.00K | 0.00% | Reduce |
| Citadel Advisors history | Q2 2026 | 43.12K | $45.71K | 0.00% | Add |
| Morgan Stanley history | Q2 2026 | 1.70K | $1.80K | 0.00% | Reduce |
| UBS Group AG history | Q2 2026 | 363 | $385 | 0.00% | New |
| Wells Fargo & Co history | Q1 2025 | 150 | $270 | 0.00% | New |
| BlackRock Inc history | Q1 2026 | 225 | $174 | 0.00% | New |
New Positions (Q2 2026)
- UBS Group AG 363 sh · $385
Fully Exited (vs previous quarter)
- BlackRock Inc sold 225 sh · $174
Fund Position History — shares by quarter (top 6 funds)
| Fund | Q3 2021 | Q4 2021 | Q1 2022 | Q2 2022 | Q3 2022 | Q4 2022 | Q1 2023 | Q2 2023 | Q3 2023 | Q4 2023 | Q1 2024 | Q2 2024 | Q3 2024 | Q1 2025 | Q2 2025 | Q3 2025 | Q4 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Citadel Advisors | — | — | — | — | — | 46.58K | 31.25K | — | — | — | — | — | — | — | — | 19.56K | 45.78K | 13.80K | 43.12K |
| Morgan Stanley | 3.12K | 1.70K | 4.90K | 4.58K | 4.30K | 4.40K | 4.90K | 6.85K | 4.69K | 3.89K | 591 | 4.99K | 3.33K | — | 700 | 18.25K | 57.38K | 30.57K | 1.70K |
| UBS Group AG | 1.84K | 2.41K | 2.26K | — | — | 2.36K | 197 | — | — | — | 1.08K | 163 | — | — | 16.30K | 1.87K | 4.14K | — | 363 |
| BlackRock Inc | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 225 | — |
| Renaissance Technologies | 62.92K | 34.31K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Wells Fargo & Co | — | — | — | — | — | — | — | — | — | — | — | — | — | 150 | — | — | — | — | — |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details