Moleculin Biotech, Inc.
MBRX- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001659617
In the last 90 days, Moleculin Biotech, Inc. insiders filed 3 open-market purchases and 0 sales; 18 institutions reported holding it in 13F filings for Q2 2026, worth $518.5K in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in Moleculin Biotech, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 18
- −2 vs. Q1 2026
- Shares held
- 185.8K
- +33.7K (+22.1%) vs. Q1 2026
- Total value
- $518.5K
- +$170.6K (+49.0%) vs. Q1 2026
- New holders
- 5
- 7 more added
- Sold out
- 7
- 0 more reduced
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MBRX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 18 | $518.5K |
| Q1 2026 | 20 | $347.9K |
| Q4 2025 | 17 | $315.2K |
| Q3 2025 | 25 | $412.7K |
| Q2 2025 | 22 | $117.9K |
| Q1 2025 | 23 | $1.44M |
| Q4 2024 | 21 | $790.0K |
| Q3 2024 | 19 | $1.31M |
| Q2 2024 | 16 | $1.10M |
| Q1 2024 | 19 | $1.53M |
| Q4 2023 | 24 | $4.44M |
| Q3 2023 | 22 | $925.1K |
| Q2 2023 | 22 | $1.33M |
| Q1 2023 | 23 | $2.91M |
| Q4 2022 | 25 | $3.17M |
| Q3 2022 | 27 | $3.16M |
| Q2 2022 | 26 | $4.32M |
| Q1 2022 | 23 | $5.26M |
| Q4 2021 | 26 | $5.61M |
| Q3 2021 | 24 | $8.57M |
| Q2 2021 | 32 | $10.9M |
| Q1 2021 | 29 | $8.74M |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Moleculin Biotech, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 1 | $2 | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 1 | $3 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 2 | $6 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 44 | $123 | 0.00% | +1+2.3% | Added |
| Newbridge Financial Services Group, Inc. | 114 | $318 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 200 | $558 | 0.00% | +200 | New |
| Jones Financial Companies LLLP | 360 | $1.18K | 0.00% | +360 | New |
| EFG International AG | 434 | $1.21K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 491 | $1.37K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 621 | $1.73K | 0.00% | +621 | New |
| Citigroup Inc | 2,674 | $7.46K | 0.00% | +2,674 | New |
| Tower Research Capital LLC (TRC) | 3,514 | $9.80K | 0.00% | +1,679+91.5% | Added |
| Rockefeller Capital Management L.P. | 15,000 | $41.9K | 0.00% | +10,579+239.3% | Added |
| Morgan Stanley | 20,036 | $55.9K | 0.00% | +20,000+55,555.6% | Added |
| XTX Topco Ltd | 22,942 | $64.0K | 0.00% | +22,942 | New |
| Vanguard Fiduciary Trust Co | 29,883 | $83.4K | 0.00% | +23,811+392.1% | Added |
| Vanguard Capital Management LLC | 42,215 | $117.8K | 0.00% | +28,346+204.4% | Added |
| Geode Capital Management, LLC | 47,252 | $131.8K | 0.00% | +14,923+46.2% | Added |
| Sabby Management, LLC | 0 | $0 | 0.00% | −75,021−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −13,739−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −3,409−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −281−100.0% | Sold out |
| Vanguard Global Advisers, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| FMR LLC | 0 | $0 | 0.00% | −3−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −2−100.0% | Sold out |