# MOLECULIN BIOTECH INC (MBRX)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/MBRX/

- Reporting holders: 18
- Reported value: $518.5K
- Shares held by institutions: 185,784 of 19,477,380 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $131.8K | 47,252 | 0.0% | 3 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $117.8K | 42,215 | 0.0% | 2 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $83.4K | 29,883 | 0.0% | 2 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $64.0K | 22,942 | 0.0% | 1 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $55.9K | 20,036 | 0.0% | 3 |
| [Rockefeller Capital Management L.P.](https://holderbook.com/funds/1739439-rockefeller-capital-management-l-p/) | $41.9K | 15,000 | 0.0% | 3 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $9.8K | 3,514 | 0.0% | 3 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $7.5K | 2,674 | 0.0% | 1 |
| [BARCLAYS PLC](https://holderbook.com/funds/312069-barclays-plc/) | $1.7K | 621 | 0.0% | 1 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $1.4K | 491 | 0.0% | 3 |
| [EFG International AG](https://holderbook.com/funds/2109868-efg-international-ag/) | $1.2K | 434 | 0.0% | 3 |
| [JONES FINANCIAL COMPANIES LLLP](https://holderbook.com/funds/815917-jones-financial-companies-lllp/) | $1.2K | 360 | 0.0% | 1 |
| [WELLS FARGO & COMPANY/MN](https://holderbook.com/funds/72971-wells-fargo-company-mn/) | $558 | 200 | 0.0% | 1 |
| [NFSG Corp](https://holderbook.com/funds/1879757-nfsg-corp/) | $318 | 114 | 0.0% | 3 |
| [SBI Securities Co., Ltd.](https://holderbook.com/funds/1851815-sbi-securities-co-ltd/) | $123 | 44 | 0.0% | 3 |
| [DANSKE BANK A/S](https://holderbook.com/funds/800177-danske-bank-a-s/) | $6 | 2 | 0.0% | 3 |
| [CVA Family Office, LLC](https://holderbook.com/funds/1802084-cva-family-office-llc/) | $3 | 1 | 0.0% | 3 |
| [OSAIC HOLDINGS, INC.](https://holderbook.com/funds/1677044-osaic-holdings-inc/) | $2 | 1 | 0.0% | 3 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 18 | $518.5K |
| Q1 2026 | 20 | $347.9K |
| Q4 2025 | 17 | $315.2K |
| Q3 2025 | 24 | $412.7K |
| Q2 2025 | 22 | $130.9K |
| Q1 2025 | 22 | $1.4M |
| Q4 2024 | 20 | $790.0K |
| Q3 2024 | 18 | $1.3M |
| Q2 2024 | 15 | $1.1M |
| Q1 2024 | 17 | $1.5M |
| Q4 2023 | 23 | $4.4M |
| Q3 2023 | 20 | $925.1K |