Moleculin BiotechMBRX
13F holders, Q4 2025 (December 31)17holders
1famous investor
$3.31avg. 13F price*
At the end of Q4 2025, 17 institutions reported holding Moleculin Biotech Inc. (MBRX) in their 13F filings. The largest holders were Citadel Advisors ($110K), Jane Street Group, LLC ($75K) and Vanguard Group Inc. ($51K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Moleculin Biotech Inc.
- CUSIP
- 60855D408
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 4 | $185K |
| Exits | 0 | $0 |
Ownership 17 holders
| Citadel Advisors | 0.00% | New | 33,085 | $110K |
| Jane Street Group, LLC | 0.00% | New | 22,550 | $75K |
| Vanguard Group Inc. | 0.00% | Add +62.0% | 15,544 | $51K |
| Geode Capital Management, LLC | 0.00% | Add +81.8% | 15,138 | $50K |
| UBS Group AG | 0.00% | Add +3596.7% | 5,863 | $19K |
| Tower Research Capital LLC (TRC) | 0.00% | Add +315.6% | 1,393 | $5K |
| BlackRock, Inc. | 0.00% | No change | 495 | $2K |
| EFG International AG | 0.00% | — | 434 | $1K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 281 | $930 |
| Rockefeller Capital Management L.P. | 0.00% | Reduce -62.4% | 218 | $722 |
| NFSG Corp | 0.00% | Reduce -0.6% | 114 | $377 |
| Bank of America Corp. | 0.00% | Add +238.3% | 36 | $119 |
| Morgan Stanley | 0.00% | Reduce -2.8% | 36 | $119 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -2.8% | 29 | $96 |
| Danske Bank A/S | 0.00% | New | 2 | $7 |
| Osaic Holdings, Inc. | 0.00% | Reduce -41.9% | 1 | $3 |
| CVA Family Office, LLC | 0.00% | Reduce -26.5% | 1 | $3 |
"% of holder's portfolio" is MBRX's weight in each manager's 13F, not the share of Moleculin Biotech Inc. the manager owns.