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    MBRX Insider Trading Activity: Get Latest News Today

    Moleculin Biotech, Inc.



    0.05 (5.10%)

    At Close: 4:00 PM


    -0.01 (-1.12%)

    Pre Market: 7:42 AM

    MBRX 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.

    Shares Outstanding

    28.63 Million


    27.79 Million





    Shares Short

    39.39 Thousands

    Short % of shares outstanding


    Shares Short (Prior Month)

    118.64 Thousands


    Short of Float


    Short % of Shares Outstanding

    market insider MBRX

    In addition, investors cannot turn a blind eye to insiders as well as institutional ownership. Furthermore, they need to follow insider trades to determine the direction the stock is likely to take.

    Major Holders Summary
    • 1.40%Percentage of Shares held by All Insiders
    • 10.50%Percentage of Shares held by All Institutions
    • 14.70%Percentage of Float held by Institutions

    Number of Institutions Holding Shares

    MBRX institutional ownership

    A total of 1.40% of MBRX shares are owned by insiders. About 10.50% of MBRX shares are held by financial institutions. VANGUARD GROUP INC is the top corporate investor, holding 1.08 Million shares valued at $1.14 Million. A 4.02% stake in Moleculin Biotech, Inc. is owned by the company. SIO CAPITAL MANAGEMENT, LLC owns 1.04 Million shares valued at $1.1 Million, which translates its holding of 3.86% of the stake in the company.

    Holder% StakeShares HeldTotal Value ($)Shares% Change in Portfolio
    VANGUARD GROUP INC4.02% 1,079,5221,144,00000%
    SIO CAPITAL MANAGEMENT, LLC3.86% 1,036,8531,099,00000%
    BLACKROCK INC.0.98% 262,888278,000-2,157-0.81%
    GEODE CAPITAL MANAGEMENT, LLC0.92% 247,051261,00000%
    RENAISSANCE TECHNOLOGIES LLC0.31% 84,50090,000-3,600-4.09%
    STATE STREET CORP0.27% 71,39776,00000%
    SIGMA PLANNING CORP0.21% 57,50061,00000%
    NORTHERN TRUST CORP0.17% 46,32749,00000%
    JANE STREET GROUP, LLC0.07% 19,96721,00019,967100%
    CITADEL ADVISORS LLC0.05% 13,63114,00013,631100%

    Moleculin Biotech, Inc. Insiders

    Among the MBRX insiders holding of 0.07% of the stake in company, PRIEBE WALDEMAR, 10 percent owner, holds the largest shares of 2,781,573. KLEMP WALTER V, CEO and President, is the second largest MBRX insider with ownership of 409,890 shares. FOSTER JONATHAN P.,Chief Financial Officer, stands third with possession of 14,167 shares of that stake.

    InsiderDesignationShares Held
    PRIEBE WALDEMAR10 percent owner2,781,573
    KLEMP WALTER VCEO and President409,890
    FOSTER JONATHAN P.Chief Financial Officer14,167
    FOSTER JONATHAN P.Exec. Vice President and CFO10,000
    NORTHCUT JACQUELINEdirector1,000

    Insider Transaction Summary (6 Months)









    Net SharePurchased



    NO. of Shares Held



    % Net SharePurchased



    Frequently Asked Questions


    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 32, representing 10.50% of the company's common stock.


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

    BLACKROCK INC., in the last quarter, reduced its stake in MBRX by -0.81% restricting it's holding to 262.89 Thousands shares of worth nearly $278 Thousands. RENAISSANCE TECHNOLOGIES LLC also lessened -4.09% of the MBRX shares from its portfolio, reducing its holding to 84.5 Thousands shares of worth $90 Thousands. N/A also shunned MBRX shares holding by N/A last quarter which brought its holding to 0 shares worth $0.


    Investors who are buying MBRX stock?

    As per its latest 13F filing, VANGUARD GROUP INC increased its stake in MBRX by 0% in the last quarter. The institutional holder raised its holding to 1.08 Million shares having worth more than $1.14 Million. SIO CAPITAL MANAGEMENT, LLC also added 0% more shares of MBRX to its portfolio, raising its holding to 1.04 Million shares of worth $1.1 Million. GEODE CAPITAL MANAGEMENT, LLC also increased its MBRX shares holding by 0% which brought its holding to 247.05 Thousands shares worth $261 Thousands.


    MBRX's major insiders: who are they?

    The insider with the most stakes in MBRX is PRIEBE WALDEMAR , a 10 percent owner at the company. Additionally, MBRX stock is highly held by CEO and President KLEMP WALTER V and Chief Financial Officer FOSTER JONATHAN P. among others.


    Did an insider recently sell MBRX stock?

    Company executives, directors, and other insiders own 1.4 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


    Which insider recently purchased MBRX stock?

    There have been 4 transaction(s) during the past 6-months in which MBRX insiders have bought stock , totaling $177,455.


    How much of MBRX does insiders own?

    Around 400.82 Thousands Moleculin Biotech, Inc. shares are held by insiders, which represents about 1.40% of MBRX Stock.


    Who is the insider with the largest stake?

    MBRX 10 percent owner, PRIEBE WALDEMAR holds the largest portfolio of the company's shares. MBRX shares owned by Levinson total nearly 2.78 Million.


    Which institution holds the most shares in MBRX?

    VANGUARD GROUP INC is the largest institutional owner in MBRX which holds 1.08 Million shares worth $1.14 Million or 4.02% of the total MBRX shares outstanding followed by SIO CAPITAL MANAGEMENT, LLC with ownership of 1.04 Million shares representing 3.86% of the MBRX ownership. BLACKROCK INC., Inc is the third largest stakeholder with 262.89 Thousands shares or 0.98% of the ownership worth more than $278 Thousands.


    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 as of 2023-01-30 was 39.39 Thousands. 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, 28.63 Million shares of MBRX are outstanding.


    Is there many float in Moleculin Biotech, Inc. 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 27.79 Million 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 was N/A as of 2023-01-30.