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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.

13F holders, Q2 2025

Institutional positions in Moleculin Biotech, Inc. as of Jun 30, 2025. 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
22
0 vs. Q1 2025
Shares held
389.7K
−1.09M (−73.6%) vs. Q1 2025
Total value
$117.9K
−$1.32M (−91.8%) vs. Q1 2025
New holders
4
7 more added
Sold out
4
0 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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.

Institutional holdersQ2 2025: 22 institutions
Q1 2021: 29 institutionsQ2 2021: 32 institutionsQ3 2021: 24 institutionsQ4 2021: 26 institutionsQ1 2022: 23 institutionsQ2 2022: 26 institutionsQ3 2022: 27 institutionsQ4 2022: 25 institutionsQ1 2023: 23 institutionsQ2 2023: 22 institutionsQ3 2023: 22 institutionsQ4 2023: 24 institutionsQ1 2024: 19 institutionsQ2 2024: 16 institutionsQ3 2024: 19 institutionsQ4 2024: 21 institutionsQ1 2025: 23 institutionsQ2 2025: 22 institutionsQ3 2025: 25 institutionsQ4 2025: 17 institutionsQ1 2026: 20 institutionsQ2 2026: 18 institutions
Value heldQ2 2025: $117.9K
Q1 2021: $8.74MQ2 2021: $10.9MQ3 2021: $8.57MQ4 2021: $5.61MQ1 2022: $5.26MQ2 2022: $4.32MQ3 2022: $3.16MQ4 2022: $3.17MQ1 2023: $2.91MQ2 2023: $1.33MQ3 2023: $925.1KQ4 2023: $4.44MQ1 2024: $1.53MQ2 2024: $1.10MQ3 2024: $1.31MQ4 2024: $790.0KQ1 2025: $1.44MQ2 2025: $117.9KQ3 2025: $412.7KQ4 2025: $315.2KQ1 2026: $347.9KQ2 2026: $518.5K
Institutions holding MBRX and their total value by quarter
QuarterHoldersValue
Q2 202618$518.5K
Q1 202620$347.9K
Q4 202517$315.2K
Q3 202525$412.7K
Q2 202522$117.9K
Q1 202523$1.44M
Q4 202421$790.0K
Q3 202419$1.31M
Q2 202416$1.10M
Q1 202419$1.53M
Q4 202324$4.44M
Q3 202322$925.1K
Q2 202322$1.33M
Q1 202323$2.91M
Q4 202225$3.17M
Q3 202227$3.16M
Q2 202226$4.32M
Q1 202223$5.26M
Q4 202126$5.61M
Q3 202124$8.57M
Q2 202132$10.9M
Q1 202129$8.74M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Moleculin Biotech, Inc.; share changes are against Q1 2025.

Institutions holding MBRX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Citigroup Inc85,283$25.7K0.00%+82,495+2,958.9%Added
XTX Topco Ltd74,217$22.4K0.00%+62,642+541.2%Added
Virtu Financial LLC59,278$18.0K0.00%+59,278New
LPL Financial LLC56,080$16.9K0.00%+10,000+21.7%Added
Vanguard Group Inc30,935$9.34K0.00%00.0%Unchanged
Geode Capital Management, LLC27,530$8.31K0.00%+1,473+5.7%Added
Cambridge Investment Research Advisors, Inc.12,781$4.00K0.00%00.0%Unchanged
BlackRock, Inc.12,380$3.74K0.00%00.0%Unchanged
Truist Financial Corp10,500$3.17K0.00%00.0%Unchanged
UBS Group AG7,989$2.41K0.00%+7,989New
Tower Research Capital LLC (TRC)3,921$1.18K0.00%+2,573+190.9%Added
Stone House Investment Management, LLC3,300$9960.00%+3,300New
Newbridge Financial Services Group, Inc.2,867$8660.00%+1,500+109.7%Added
Morgan Stanley926$2800.00%00.0%Unchanged
SBI Securities Co., Ltd.746$2250.00%00.0%Unchanged
Atlantic Union Bankshares Corp379$1150.00%+379New
Bogart Wealth, LLC300$910.00%00.0%Unchanged
Bank of America Corp146$440.00%+114+356.3%Added
Advisor Group Holdings, Inc.43$120.00%00.0%Unchanged
CVA Family Office, LLC34$100.00%00.0%Unchanged
North Star Investment Management Corp.17$50.00%00.0%Unchanged
Royal Bank of Canada1$00.00%00.0%Unchanged
Armistice Capital, LLC0$00.00%−1,250,000−100.0%Sold out
Cetera Investment Advisers0$00.00%−70,000−100.0%Sold out
Barclays PLC0$00.00%−344−100.0%Sold out
FMR LLC0$00.00%−34−100.0%Sold out
Sandy Spring Bank––––Not filed