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.
Q1 2026 vs. Q4 2025
How the institutions holding Moleculin Biotech, Inc. changed between Q4 2025 and Q1 2026.
All holders in Q1 2026All holders in Q4 2025
| Measure | Q4 2025 | Of which not filed for Q1 2026 | Q1 2026 | Change |
|---|---|---|---|---|
| Holders | 17 | 1 | 20 | +4 |
| Shares | 95.2K | 15.5K | 152.1K | +72.5K (+90.9%) |
| Value | $315.2K | $51.5K | $347.9K | +$84.2K (+31.9%) |
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.
New holders (7)
Institutions that held Moleculin Biotech, Inc. at the end of Q1 2026 but not at the end of Q4 2025.
| Institution | Shares | Value | % of portfolio |
|---|---|---|---|
| Sabby Management, LLC | 75,021 | $171.8K | 3.01% |
| Vanguard Capital Management LLC | 13,869 | $31.8K | 0.00% |
| HRT Financial LP | 13,739 | $31.0K | 0.00% |
| Vanguard Fiduciary Trust Co | 6,072 | $13.9K | 0.00% |
| Vanguard Global Advisers, LLC | 24 | $55 | 0.00% |
| FMR LLC | 3 | $7 | 0.00% |
| Caitong International Asset Management Co., Ltd | 2 | $5 | 0.00% |
Sold out (3)
Institutions that held Moleculin Biotech, Inc. at the end of Q4 2025 and filed for Q1 2026 without it.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Citadel Advisors LLC | 33,085 | $109.5K |
| Jane Street Group, LLC | 22,550 | $74.6K |
| Bank of America Corp | 36 | $119 |
Not filed for Q1 2026 yet (1)
Institutions that held Moleculin Biotech, Inc. at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.
| Institution | Shares, Q4 2025 | Value, Q4 2025 |
|---|---|---|
| Vanguard Group Inc | 15,544 | $51.5K |