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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.

Q4 2025 vs. Q3 2025

How the institutions holding Moleculin Biotech, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of MBRX: Q3 2025 compared with Q4 2025
MeasureQ3 2025Q4 2025Change
Holders2517−8
SharesConverted for a 1-for-25 split31.1K95.2K+64.1K (+205.9%)
Value$412.7K$315.2K−$97.5K (−23.6%)

New holders (5)

Institutions that held Moleculin Biotech, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to MBRX in Q4 2025
InstitutionSharesValue% of portfolio
Citadel Advisors LLC33,085$109.5K0.00%
Jane Street Group, LLC22,550$74.6K0.00%
EFG International AG434$1.44K0.00%
Pinnacle Wealth Planning Services, Inc.281$9300.00%
Danske Bank A/S2$70.00%

Sold out (13)

Institutions that held Moleculin Biotech, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of MBRX in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
HRT Financial LP115,190$61.0K
LPL Financial LLC58,080$30.8K
Ieq Capital, LLC36,363$19.3K
Wealth Dimensions Group, Ltd.20,000$10.6K
Cambridge Investment Research Advisors, Inc.12,781$7.00K
Goldman Sachs Group Inc12,752$6.76K
Truist Financial Corp10,500$5.57K
Ethos Financial Group, LLC10,034$5.32K
Moors & Cabot, Inc.10,000$5.30K
Bogart Wealth, LLC300$159
North Star Investment Management Corp.17$9
NBC Securities, Inc.14$7
Royal Bank of Canada1$0