Moleculin Biotech, Inc. - MBRX
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SABBY MANAGEMENT, LLC | History | New | 75,021 | 171 | 0.38% | — | 1 | +75,021 | New | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | No change | 33,085 | 109 | 0.0% | 0.0% | 2 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| VANGUARD GROUP INC | History | No change | 15,544 | 51 | 0.0% | 0.0% | 3 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | No change | 15,138 | 50 | 0.0% | 0.0% | 4 | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 13,869 | 31 | 0.0% | — | 6 | +13,869 | New | Q1 2026 | May 08, 2026 |
| HRT FINANCIAL LP | History | New | 13,739 | 31 | 0.0% | — | 5 | +13,739 | New | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 6,072 | 13 | 0.0% | — | 7 | +6,072 | New | Q1 2026 | May 08, 2026 |
| Rockefeller Capital Management L.P. | History | Added to | 4,421 | 10 | 0.0% | — | 8 | +4,203 | 1927.98% | Q1 2026 | May 14, 2026 |
| UBS Group AG | History | Reduced | 3,409 | 7 | 0.0% | 0.0% | 9 | -2,454 | -41.86% | Q1 2026 | May 05, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 1,835 | 4 | 0.0% | 0.0% | 10 | +442 | 31.73% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Reduced | 491 | 1 | 0.0% | 0.0% | 11 | -4 | -0.81% | Q1 2026 | May 13, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -22,550 | -100.0% | Q1 2026 | May 12, 2026 |
| Vanguard Global Advisers, LLC | History | New | 24 | 0 | — | — | — | +24 | New | Q1 2026 | May 08, 2026 |
| SBI Securities Co., Ltd. | History | Added to | 43 | 0 | — | — | — | +14 | 48.28% | Q1 2026 | Apr 27, 2026 |
| FMR LLC | History | New | 3 | 0 | — | — | — | +3 | New | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 2 | 0 | — | — | — | +2 | New | Q1 2026 | May 11, 2026 |
| BANK OF AMERICA CORP /DE/ | History | No change | 36 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| DANSKE BANK A/S | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| MORGAN STANLEY | History | No change | 36 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| OSAIC HOLDINGS, INC. | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| Pinnacle Wealth Planning Services, Inc. | History | No change | 281 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| CVA Family Office, LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 29, 2026 |
| NFSG Corp | History | No change | 114 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 05, 2026 |
| EFG International AG | History | No change | 434 | 0 | — | 0.0% | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |