How many institutions own MBRX stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own MBRX shares is 21, representing 3.34% of the company's common stock.

Who are the major shareholders selling Moleculin Biotech, Inc. stock?

VERUS CAPITAL PARTNERS, LLC, in the last quarter, reduced its stake in MBRX by -100% restricting it's holding to 0 shares of worth nearly -. UBS GROUP AG also lessened -50.37% of the MBRX shares from its portfolio, reducing its holding to 3.97 thousand shares of worth $2.10K. XTX TOPCO LTD also shunned MBRX shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying MBRX stock?

As per its latest 13F filing, TOWER RESEARCH CAPITAL LLC (TRC) increased its stake in MBRX by 113.72% in the last quarter. The institutional holder raised its holding to 8.38 thousand shares having worth more than $4.44K. MOORS & CABOT, INC. also added 100% more shares of MBRX to its portfolio, raising its holding to 10 thousand shares of worth $5.30K. ETHOS FINANCIAL GROUP, LLC also increased its MBRX shares holding by 100% which brought its holding to 10.03 thousand shares worth $5.32K.

MBRX's major insiders: who are they?

The insider with the most stakes in MBRX is CREDIT SUISSE/ , 10 percent owner at the company. Additionally, MBRX stock is highly held by 10 percent owner Priebe Waldemar and CEO and President KLEMP WALTER V among others.

Did an insider recently sell MBRX stock?

Company executives, directors, and other insiders own 0.84% percent of Moleculin Biotech, Inc.'s stock. Within the last six months, there have been 0 transaction(s) in which MBRX insiders have sold stock, totaling 0 shares. Insiders that have sold shares include KLEMP WALTER V, PRIEBE WALDEMAR, and BARACCHINI EDGARDO JR.

Which insider recently purchased MBRX stock?

There have been 0 transaction(s) during the past 6-months in which Moleculin Biotech, Inc. insiders have bought stock, totalling 0 shares

How much of MBRX does insiders own?

Around 0 Moleculin Biotech, Inc. shares are held by insiders, which represents about 0.84% of MBRX stock.

Who is the insider with the largest stake?

MBRX 10 percent owner, CREDIT SUISSE/ holds the largest portfolio of the company's shares. MBRX shares owned by CREDIT total nearly 3.86 million.

Which institution holds the most shares in MBRX?

VERUS CAPITAL PARTNERS, LLC is the largest institutional owner in MBRX which holds 0 shares worth - or 0% of the total MBRX shares outstanding followed by SBI SECURITIES CO., LTD. with ownership of 746 shares representing 0% of the MBRX ownership. UBS GROUP AG is the third largest stakeholder with 3.97 thousand shares or 0.03% of the ownership worth more than $2.10K.

Is Moleculin Biotech, Inc. stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the MBRX is concerned, it is a stock which is not optionable.

Is there a short position on MBRX's shares?

Number of MBRX shares short is 3.30M. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding MBRX shares are there?

As of today, 30.21M shares of MBRX are outstanding.

Is there many float in MBRX stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, MBRX has 27.65M shares in float.

MBRX short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for MBRX is 1.08.

Moleculin Biotech (MBRX) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding Shares10.92

Short Percent Of Float10.96

Shares Outstanding30.21M

Shares Float27.65M

Shares Short3.30M

Short Ratio1.08

10.96%

Short % of Float

10.92%

Short % of Shares Outstanding

Market Insider

Investors cannot turn a blind eye to insiders as well as institutional ownership. They need to follow insider trades to determine the direction the stock is likely to take.

Major Holders Summary

0.84% Percentage of Shares held by All Insiders

3.34% Percentage of Shares held by All Institutions

3.36% Percentage of Float held by Institutions

Number of Institutions Holding Shares

Institutional Ownership

About 3.34% of MBRX shares are held by financial institutions. VERUS CAPITAL PARTNERS, LLC is the top corporate investor, holding 0 shares valued at -. A 0% stake in Moleculin Biotech, Inc. is owned by the company. SBI SECURITIES CO., LTD. owns 746 shares valued at $395.00, which translates its holding of 0% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Sep 30, 2025	VERUS CAPITAL PARTNERS, LLC	0%	0	-	-43K	-100.00%
Sep 30, 2025	SBI SECURITIES CO., LTD.	0%	746	395	0	0
Sep 30, 2025	UBS GROUP AG	0.03%	3.97K	2.1K	-4.02K	-50.37%
Sep 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.05%	8.38K	4.44K	4.46K	+113.72%
Sep 30, 2025	MOORS & CABOT, INC.	0.06%	10K	5.3K	10K	+100.00%
Sep 30, 2025	ETHOS FINANCIAL GROUP, LLC	0.06%	10.03K	5.32K	10.03K	+100.00%
Sep 30, 2025	TRUIST FINANCIAL CORP	0.07%	10.5K	5.57K	0	0
Sep 30, 2025	BLACKROCK, INC.	0.08%	12.38K	6.56K	0	0
Sep 30, 2025	ROCKEFELLER CAPITAL MANAGEMENT L.P.	0.09%	14.51K	7.69K	14.51K	+100.00%
Sep 30, 2025	WEALTH DIMENSIONS GROUP, LTD.	0.13%	20K	10.6K	20K	+100.00%
Sep 30, 2025	LPL FINANCIAL LLC	0.37%	58.08K	30.78K	2K	+3.57%
Sep 30, 2025	HRT FINANCIAL LP	0.74%	115.19K	61K	115.19K	+100.00%
Sep 30, 2025	XTX TOPCO LTD	0%	0	-	-74.22K	-100.00%
Sep 30, 2025	STONE HOUSE INVESTMENT MANAGEMENT, LLC	0%	0	-	-3.3K	-100.00%
Sep 30, 2025	VIRTU FINANCIAL LLC	0%	0	-	-59.28K	-100.00%
Sep 30, 2025	NBC SECURITIES, INC.	0%	14	7	14	+100.00%
Sep 30, 2025	NORTH STAR INVESTMENT MANAGEMENT CORP.	0%	17	9	0	0
Sep 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	43	20	0	0
Sep 30, 2025	BANK OF AMERICA CORP /DE/	0%	266	141	120	+82.19%
Sep 30, 2025	MORGAN STANLEY	0.01%	926	491	0	0
Sep 30, 2025	NEWBRIDGE FINANCIAL SERVICES GROUP, INC.	0.02%	2.87K	1.52K	0	0
Sep 30, 2025	GOLDMAN SACHS GROUP INC	0.08%	12.75K	6.76K	12.75K	+100.00%
Sep 30, 2025	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	0.08%	12.78K	7K	0	0
Sep 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	1.34%	208.21K	110.35K	180.68K	+656.30%
Sep 30, 2025	VANGUARD GROUP INC	1.55%	239.92K	127.16K	208.98K	+675.56%
Sep 30, 2025	CITIGROUP INC	0%	0	-	-85.28K	-100.00%
Sep 30, 2025	CVA FAMILY OFFICE, LLC	0%	34	18	0	0
Sep 30, 2025	BOGART WEALTH, LLC	0%	300	159	0	0
Sep 30, 2025	ATLANTIC UNION BANKSHARES CORP	0%	0	-	-379	-100.00%
Sep 30, 2025	IEQ CAPITAL, LLC	0.23%	36.36K	19.27K	36.36K	+100.00%
Jun 30, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.03%	3.92K	1.18K	2.57K	+190.88%
Jun 30, 2025	MORGAN STANLEY	0.01%	926	280	0	0
Jun 30, 2025	TRUIST FINANCIAL CORP	0.07%	10.5K	3.17K	0	0
Jun 30, 2025	UBS GROUP AG	0.05%	7.99K	2.41K	7.99K	+100.00%
Jun 30, 2025	CVA FAMILY OFFICE, LLC	0%	34	10	0	0
Jun 30, 2025	NORTH STAR INVESTMENT MANAGEMENT CORP.	0%	17	5	0	0
Jun 30, 2025	FMR LLC	0%	0	-	-34	-100.00%
Jun 30, 2025	ARMISTICE CAPITAL, LLC	0%	0	-	-1.25M	-100.00%
Jun 30, 2025	CETERA INVESTMENT ADVISERS	0%	0	-	-70K	-100.00%
Jun 30, 2025	XTX TOPCO LTD	0.48%	74.22K	22.41K	62.64K	+541.18%
Jun 30, 2025	VIRTU FINANCIAL LLC	0.38%	59.28K	18K	59.28K	+100.00%
Jun 30, 2025	LPL FINANCIAL LLC	0.36%	56.08K	16.93K	10K	+21.70%
Jun 30, 2025	VERUS CAPITAL PARTNERS, LLC	0.28%	43K	12.98K	43K	+100.00%
Jun 30, 2025	VANGUARD GROUP INC	0.2%	30.94K	9.34K	0	0
Jun 30, 2025	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	0.08%	12.78K	4K	0	0
Jun 30, 2025	BLACKROCK, INC.	0.08%	12.38K	3.74K	0	0
Jun 30, 2025	STONE HOUSE INVESTMENT MANAGEMENT, LLC	0.02%	3.3K	996	3.3K	+100.00%
Jun 30, 2025	ATLANTIC UNION BANKSHARES CORP	0%	379	115	379	+100.00%
Jun 30, 2025	BOGART WEALTH, LLC	0%	300	91	0	0
Jun 30, 2025	BANK OF AMERICA CORP /DE/	0%	146	44	114	+356.25%
Jun 30, 2025	NEWBRIDGE FINANCIAL SERVICES GROUP, INC.	0.02%	2.87K	866	1.5K	+109.73%
Jun 30, 2025		0%	746	225	0	0
Jun 30, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	43	12	0	0
Jun 30, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.18%	27.53K	8.31K	1.47K	+5.65%
Jun 30, 2025	CITIGROUP INC	0.55%	85.28K	25.75K	82.5K	+2,958.93%
Jun 30, 2025	SBI SECURITIES CO., LTD.	0%	746	225	0	0
Mar 31, 2025	UBS GROUP AG	0%	0	-	-8.94K	-100.00%
Mar 31, 2025	XTX TOPCO LTD	0.12%	11.58K	11.27K	11.58K	+100.00%
Mar 31, 2025	TRUIST FINANCIAL CORP	0.11%	10.5K	10.22K	0	0
Mar 31, 2025	NEWBRIDGE FINANCIAL SERVICES GROUP, INC.	0.01%	1.37K	1.33K	0	0
Mar 31, 2025		0.01%	746	726	341	+84.20%
Mar 31, 2025	BOGART WEALTH, LLC	0%	300	292	0	0
Mar 31, 2025	SANDY SPRING BANK	0%	89	87	0	0
Mar 31, 2025	CETERA INVESTMENT ADVISERS	0.75%	70K	68.15K	70K	+100.00%
Mar 31, 2025	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	0.14%	12.78K	12K	12.78K	+100.00%
Mar 31, 2025	CITIGROUP INC	0.03%	2.79K	2.71K	2.79K	+100.00%
Mar 31, 2025	TOWER RESEARCH CAPITAL LLC (TRC)	0.01%	1.35K	1.31K	-2.68K	-66.50%
Mar 31, 2025	RENAISSANCE TECHNOLOGIES LLC	0%	0	-	-11.5K	-100.00%
Mar 31, 2025	ATTICUS WEALTH MANAGEMENT, LLC	0%	0	-	-2.78K	-100.00%
Mar 31, 2025	LPL FINANCIAL LLC	0.49%	46.08K	44.86K	4.87K	+11.80%
Mar 31, 2025	GEODE CAPITAL MANAGEMENT, LLC	0.28%	26.06K	25.38K	4.03K	+18.31%
Mar 31, 2025	MORGAN STANLEY	0.01%	926	901	500	+117.37%
Mar 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0%	43	41	-6	-12.24%
Mar 31, 2025	FMR LLC	0%	34	33	34	+100.00%
Mar 31, 2025	CVA FAMILY OFFICE, LLC	0%	34	33	0	0
Mar 31, 2025	BANK OF AMERICA CORP /DE/	0%	32	31	-72	-69.23%
Mar 31, 2025	NORTH STAR INVESTMENT MANAGEMENT CORP.	0%	17	17	0	0
Mar 31, 2025	KESTRA INVESTMENT MANAGEMENT, LLC	0%	0	-	-25	-100.00%
Mar 31, 2025	VANGUARD GROUP INC	0.33%	30.94K	30.13K	0	0
Mar 31, 2025	ARMISTICE CAPITAL, LLC	13.38%	1.25M	1.22M	932.41K	+293.59%
Mar 31, 2025	BLACKROCK, INC.	0.13%	12.38K	12.05K	0	0
Dec 31, 2023	SIO CAPITAL MANAGEMENT, LLC	0%	0	-	-271.23K	-100.00%
Dec 31, 2023	MILLENNIUM MANAGEMENT LLC	0%	0	-	-30.49K	-100.00%
Dec 31, 2023	SANDY SPRING BANK	0%	1.33K	1.15K	1.33K	+100.00%
Dec 31, 2023	NEWEDGE ADVISORS, LLC	0%	2	2	2	+100.00%
Dec 31, 2023	JPMORGAN CHASE & CO	0%	52	45	16	+44.44%
Dec 31, 2023	WELLS FARGO & COMPANY/MN	0%	229	197	-488	-68.06%
Dec 31, 2023	NORTH STAR INVESTMENT MANAGEMENT CORP.	0%	250	215	0	0
Dec 31, 2023	CVA FAMILY OFFICE, LLC	0%	500	429	500	+100.00%
Dec 31, 2023	ADVISOR GROUP HOLDINGS, INC.	0%	968	831	0	0
Dec 31, 2023	TOWER RESEARCH CAPITAL LLC (TRC)	0.02%	7.2K	6.18K	-7.1K	-49.66%
Dec 31, 2023	SIGMA PLANNING CORP	0.04%	12K	10.3K	-5K	-29.41%
Dec 31, 2023	JMAC ENTERPRISES LLC	0.04%	13.13K	11.27K	0	0
Dec 31, 2023	ROYAL BANK OF CANADA	0.07%	20.15K	17K	20.15K	+100.00%
Dec 31, 2023	ARMISTICE CAPITAL, LLC	10.76%	3.21M	2.75M	3.21M	+100.00%
Dec 31, 2023	SCHMIDT P J INVESTMENT MANAGEMENT INC	0.1%	29K	14.09K	0	0
Dec 31, 2023	ATTICUS WEALTH MANAGEMENT, LLC	0.17%	50K	42.92K	50K	+100.00%
Dec 31, 2023	NORTHERN TRUST CORP	0.18%	53.6K	46.01K	0	0
Dec 31, 2023	CITADEL ADVISORS LLC	0.22%	64.65K	55.5K	64.65K	+100.00%
Dec 31, 2023	STATE STREET CORP	0.24%	71.4K	61.29K	0	0
Dec 31, 2023	RENAISSANCE TECHNOLOGIES LLC	0.43%	129.6K	111K	9.4K	+7.82%
Dec 31, 2023	BLACKROCK INC.	0.63%	188.92K	162.17K	-7.37K	-3.76%
Dec 31, 2023	GEODE CAPITAL MANAGEMENT, LLC	0.83%	246.67K	211.8K	0	0
Dec 31, 2023	BANK OF AMERICA CORP /DE/	0%	138	118	38	+38.00%
Dec 31, 2023	VANGUARD GROUP INC	3.62%	1.08M	927.18K	0	0
Dec 31, 2023	FMR LLC	0%	0	-	-2	-100.00%
Dec 31, 2023	MORGAN STANLEY	0.02%	6.33K	5.44K	0	0
Dec 31, 2023	UBS GROUP AG	0%	0	-	-200	-100.00%

Insiders

Among the MBRX insiders holding of 0.84% of the stake in company, CREDIT SUISSE/, 10 percent owner, holds the largest shares of 3.86M. PRIEBE WALDEMAR, 10 percent owner, is the second largest MBRX insider with ownership of 2.78M shares. KLEMP WALTER V, CEO and President, stands third with possession of 743.61K shares of that stake.

Insiders	Designation	Shares Held
CREDIT SUISSE/	10 percent owner	3.86M
PRIEBE WALDEMAR	10 percent owner	2.78M
KLEMP WALTER V	CEO and President	743.61K
FOSTER JONATHAN P.	Chief Financial Officer	287.59K
MPM BIOVENTURES II QP LP	10 percent owner	70.54K
EVNIN LUKE		70.54K
CASH HARVEY B	10 percent owner	50K
GEORGE ROBERT E.	director	14.66K
ORONSKY ARNOLD L		5.69K
INTERWEST PARTNERS VII L P	10 percent owner	5.69K
BARACCHINI EDGARDO JR	Sr. VP of Business Development	3.01K
NORTHCUT JACQUELINE	director	1K

Buying/Selling by Insiders

Date	Insider	Type	Cost	Shares	Value ($)	Shares Total
Jun 23, 2025	FOSTER JONATHAN P.	PURCHASE	0.37	270.27K	100K	287.59K
Jun 23, 2025	KLEMP WALTER V	PURCHASE	0.37	675.68K	250K	743.61K
Dec 26, 2023	FOSTER JONATHAN P.	PURCHASE	0.69	28.99K	20K	80.56K
Dec 26, 2023	KLEMP WALTER V	PURCHASE	0.69	188.4K	130K	680.88K
Dec 26, 2023	GEORGE ROBERT E.	PURCHASE	0.69	14.49K	10K	14.66K
Nov 25, 2022	KLEMP WALTER V	PURCHASE	1.28	45K	57.63K	409.89K
Nov 21, 2022	KLEMP WALTER V	PURCHASE	1.15	22.5K	25.87K	364.89K
Nov 17, 2022	KLEMP WALTER V	PURCHASE	1.02	24.74K	25.26K	342.39K
Nov 16, 2022	KLEMP WALTER V	PURCHASE	0.97	85.21K	82.61K	317.65K
Aug 16, 2017	KLEMP WALTER V	SALE	1.70	100K	170.3K	967.72K
Aug 16, 2017	PRIEBE WALDEMAR	SALE	1.70	100K	170.3K	2.78M
May 11, 2017	KLEMP WALTER V	PURCHASE	0.81	12K	9.72K	1.07M
May 05, 2017	NORTHCUT JACQUELINE	PURCHASE	0.82	1K	820	1K
Apr 28, 2017	GEORGE ROBERT E.	PURCHASE	0.94	1K	938.4	1K
Apr 25, 2017	FOSTER JONATHAN P.	PURCHASE	0.86	10K	8.65K	10K
Apr 16, 2008	ORONSKY ARNOLD L	PURCHASE	2.34	5.69K	13.31K	5.69K
Apr 16, 2008	INTERWEST PARTNERS VII L P	PURCHASE	2.34	5.69K	13.31K	5.69K
Apr 16, 2008	EVNIN LUKE	PURCHASE	2.69	70.54K	189.75K	70.54K
Apr 16, 2008	CREDIT SUISSE/	PURCHASE	2.34	196.63K	460.12K	3.86M
Apr 16, 2008	MPM BIOVENTURES II QP LP	PURCHASE	2.69	70.54K	189.75K	70.54K
Apr 24, 2007	BARACCHINI EDGARDO JR	SALE	8.24	1.8K	14.83K	3.01K
Feb 26, 2007	BARACCHINI EDGARDO JR	SALE	8.00	700	5.6K	7.31K
Nov 03, 2006	CREDIT SUISSE/	PURCHASE	7.17	527K	3.78M	3.55M
Jun 26, 2006	BARACCHINI EDGARDO JR	SALE	8.35	250	2.09K	891
May 22, 2006	CASH HARVEY B	PURCHASE	8.02	39.84K	319.65K	50K
May 19, 2006	CASH HARVEY B	PURCHASE	8.10	5K	40.5K	10.16K
May 18, 2006	CASH HARVEY B	PURCHASE	8.10	700	5.67K	5.16K
May 16, 2006	CASH HARVEY B	PURCHASE	8.00	4.46K	35.71K	4.46K
Sep 30, 2005	MPM BIOVENTURES II QP LP	PURCHASE	6.74	244.88K	1.65M	244.88K
Sep 30, 2005	CREDIT SUISSE/	PURCHASE	6.74	119.45K	805.12K	368.35K
Sep 30, 2005	ORONSKY ARNOLD L	PURCHASE	6.74	6.82K	45.99K	6.82K
Sep 30, 2005	INTERWEST PARTNERS VII L P	PURCHASE	6.74	6.82K	45.99K	6.82K
Sep 30, 2005	EVNIN LUKE	PURCHASE	6.74	244.88K	1.65M	244.88K
Dec 22, 2004	ORONSKY ARNOLD L	PURCHASE	6.84	500	3.42K	500
Jun 21, 2004	INTERWEST PARTNERS VII L P	PURCHASE	7.00	5.94K	41.59K	5.94K
Jun 21, 2004	ORONSKY ARNOLD L	PURCHASE	7.00	5.94K	41.59K	5.94K
Jun 21, 2004	MPM BIOVENTURES II QP LP	PURCHASE	7.00	357K	2.5M	3.8M
Jun 21, 2004	EVNIN LUKE	PURCHASE	7.00	357K	2.5M	3.8M

Frequently Asked Questions