Moleculin Biotech Ownership | Who Owns Moleculin Biotech?

Moleculin Biotech Ownership Summary

Moleculin Biotech is owned by 3.27% institutional investors, 6.41% insiders, and 90.32% retail investors. Rockefeller capital management is the largest institutional shareholder, holding 0.09% of MBRX shares. Simplify Propel Opportunities ETF is the top mutual fund, with 4.72% of its assets in Moleculin Biotech shares.

MBRX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Moleculin Biotech	3.27%	6.41%	90.32%
Sector	Healthcare Stocks	244.59%	12.11%	-156.70%
Industry	Biotech Stocks	379.61%	11.70%	-291.31%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Rockefeller capital management	14.51K	0.09%	$7.69K
Tower research capital llc (trc)	8.38K	0.05%	$4.44K
Advisor group	43.00	0.00%	$20.00
Moors & cabot	-	-	-
Wealth dimensions group	-	-	-
Verus capital partners	-	-	-
Nbc securities	-	-	-
Cva family office	-	-	-
Atlantic union bankshares	-	-	-
Bogart wealth	-	-	-

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tower research capital llc (trc)	8.38K	0.00%	$4.44K
Rockefeller capital management	14.51K	-	$7.69K
Nbc securities	-	-	-
Wealth dimensions group	-	-	-
Moors & cabot	-	-	-
Bogart wealth	-	-	-
Verus capital partners	-	-	-
Cva family office	-	-	-
Atlantic union bankshares	-	-	-
Geode capital management	-	-	-

Top Buyers

Holder	Shares	% Assets	Change
Rockefeller capital management	14.51K	-	14.51K
Tower research capital llc (trc)	8.38K	0.00%	4.46K
Advisor group	43.00	-	-
Caitong asset management	-	-	-2.00
Fmr	-	-	-3.00

Top Sellers

Holder	Shares	% Assets	Change
Armistice capital	-	-	-1.25M
Vanguard group	-	-	-239.92K
Geode capital management	-	-	-208.21K
Citigroup	-	-	-85.28K
Sabby management	-	-	-75.02K

New Positions

Holder	Shares	% Assets	Change	Value
Rockefeller capital management	14.51K	-	14.51K	$7.69K

Sold Out

Holder	Change
Caitong asset management	-2.00
Fmr	-3.00
Nbc securities	-14.00
North star investment management	-17.00
Vanguard global advisers	-24.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	18	-10.00%	185,784	22.12%	3	24.04%	12	9.09%	-	-100.00%
Mar 31, 2026	20	-	152,127	-	-	-	20	-	-	-
Sep 30, 2025	12	-45.45%	573,001	32.44%	3	47.53%	5	-58.33%	-	-
Jun 30, 2025	22	4.76%	432,658	-70.73%	2	1.11%	13	18.18%	-	-100.00%
Mar 31, 2025	21	10.53%	1,478,032	218.10%	15	8.69%	11	22.22%	2	-60.00%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Simplify Propel Opportunities ETF	333.33K	4.72%	333.33K
Vanguard US Total Market Shares ETF	40.47K	0.97%	-13.02K
Vanguard Institutional Extnd Mkt Idx Tr	42.22K	0.59%	-
Vanguard Total Stock Mkt Idx Inv	16.86K	0.56%	-23.61K
Abante Quant Value FI	19.38K	0.39%	-
Fidelity Extended Market Index	27.49K	0.39%	5.59K
NT Ext Equity Mkt Index Fund - NL	5.09K	0.07%	5.02K
Spartan Extended Market Index Pool F	4.98K	0.07%	-
Fidelity Nasdaq Composite Index	4.48K	0.06%	-
NT Ext Equity Mkt Idx Fd - L	3.09K	0.06%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 03, 2026	Foster Jonathan P.	Chief Financial Officer	Buy	$220.00K
Aug 03, 2026	Foster Jonathan P.	Chief Financial Officer	Buy	-
Aug 03, 2026	KLEMP WALTER V	CEO and President	Buy	$400.00K
Aug 03, 2026	PICKER DONALD H	Chief Science Officer	Buy	-
Aug 03, 2026	PICKER DONALD H	Chief Science Officer	Buy	$130.00K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	5	-
2026 Q2	-	-
2025 Q4	-	-
2025 Q2	4	-
2024 Q4	-	-

MBRX Ownership FAQ

Who Owns Moleculin Biotech?

Moleculin Biotech shareholders are primarily institutional investors at 3.27%, followed by 6.41% insiders and 90.32% retail investors. The average institutional ownership in Moleculin Biotech's industry, Biotech Stocks , is 379.61%, which Moleculin Biotech falls below.

Who owns the most shares of Moleculin Biotech?

Moleculin Biotech’s largest shareholders are Rockefeller capital management (14.51K shares, 0.09%), Tower research capital llc (trc) (8.38K shares, 0.05%), and Advisor group (43 shares, 0.00%). Together, they hold 0.15% of Moleculin Biotech’s total shares outstanding.

Does Blackrock own Moleculin Biotech?

BlackRock is not among the top 10 institutional shareholders of Moleculin Biotech.

Who is Moleculin Biotech’s biggest shareholder by percentage of total assets invested?

Tower research capital llc (trc) is Moleculin Biotech’s biggest shareholder by percentage of total assets invested, with 0.00% of its assets in 8.38K Moleculin Biotech shares, valued at 4.44K$.

Who is the top mutual fund holder of Moleculin Biotech shares?

Simplify Propel Opportunities ETF is the top mutual fund holder of Moleculin Biotech shares, with 4.72% of its total shares outstanding invested in 333.33K Moleculin Biotech shares.

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