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, Q1 2023
Institutional positions in Moleculin Biotech, Inc. as of Mar 31, 2023. 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
- 23
- −2 vs. Q4 2022
- Shares held
- 3.03M
- +34.1K (+1.1%) vs. Q4 2022
- Total value
- $2.91M
- −$265.6K (−8.4%) vs. Q4 2022
- New holders
- 4
- 7 more added
- Sold out
- 6
- 3 more reduced
Compare with Q4 2022: 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, Q1 2023
Shares, value and share of portfolio for each institution holding Moleculin Biotech, Inc.; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 1,080,122 | $1.04M | 0.00% | 00.0% | Unchanged |
| Sio Capital Management, LLC | 1,010,956 | $970.5K | 0.48% | −25,897−2.5% | Reduced |
| BlackRock Inc. | 258,692 | $248.3K | 0.00% | +1,853+0.7% | Added |
| Geode Capital Management, LLC | 246,451 | $236.6K | 0.00% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 94,605 | $91.0K | 0.00% | +12,405+15.1% | Added |
| State Street Corp | 71,397 | $68.5K | 0.00% | 00.0% | Unchanged |
| Sigma Planning Corp | 57,500 | $55.2K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 53,596 | $51.5K | 0.00% | +7,269+15.7% | Added |
| Citadel Advisors LLC | 31,926 | $30.6K | 0.00% | +15,400+93.2% | Added |
| Squarepoint Ops LLC | 23,940 | $23.0K | 0.00% | +23,940 | New |
| Virtu Financial LLC | 16,534 | $16.0K | 0.00% | +2,743+19.9% | Added |
| HRT Financial LP | 15,635 | $15.0K | 0.00% | +15,635 | New |
| Two Sigma Securities, LLC | 13,521 | $13.0K | 0.00% | +13,521 | New |
| Jmac Enterprises LLC | 13,132 | $12.6K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 12,329 | $12.0K | 0.00% | +6,974+130.2% | Added |
| Susquehanna International Group, LLP | 11,101 | $10.7K | 0.00% | +11,101 | New |
| Bank of America Corp | 6,750 | $6.48K | 0.00% | +67+1.0% | Added |
| Morgan Stanley | 6,334 | $6.08K | 0.00% | −5−0.1% | Reduced |
| Advisor Group Holdings, Inc. | 968 | $930 | 0.00% | 00.0% | Unchanged |
| CVA Family Office, LLC | 500 | $480 | 0.00% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 250 | $240 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 198 | $190 | 0.00% | −322−61.9% | Reduced |
| FMR LLC | 2 | $2 | 0.00% | 00.0% | Unchanged |
| Charles Schwab Investment Management Inc | 0 | $0 | 0.00% | −36,606−100.0% | Sold out |
| UBS Group AG | 0 | $0 | 0.00% | −11,243−100.0% | Sold out |
| Rockefeller Capital Management L.P. | 0 | $0 | 0.00% | −1,792−100.0% | Sold out |
| Clearstead Advisors, LLC | 0 | $0 | 0.00% | −600−100.0% | Sold out |
| Global Retirement Partners, LLC | 0 | $0 | 0.00% | −168−100.0% | Sold out |
| Massmutual Trust Co FSB | 0 | $0 | 0.00% | −167−100.0% | Sold out |