Free Trial
→ REVEALED: Something Big Happening Behind White House Doors (From Paradigm Press) (Ad)tc pixel Free MBX Stock Alerts

MBX Biosciences (MBX) Institutional Ownership

MBX Biosciences logo
$10.83 +0.90 (+9.06%)
Closing price 09/12/2025 04:00 PM Eastern
Extended Trading
$11.06 +0.23 (+2.12%)
As of 09/12/2025 04:57 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for MBX Biosciences (NYSE:MBX)

Number of
Institutional Buyers
(last 12 months)
57
Total
Institutional Inflows
(last 12 months)
$440.20M
Number of
Institutional Sellers
(last 12 months)
13
Total
Institutional Outflows
(last 12 months)
$13.53M
Get MBX Insider Trade Alerts

Want to know when executives and insiders are buying or selling MBX Biosciences stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Subscribe Now
By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.
Skip Chart & View Institutional Buying and Selling Data

MBX Institutional Buying and Selling by Quarter

MBX Biosciences Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/15/2025 Exome Asset Management LLC63,076$720K0.4%-52.6%0.188%
8/15/2025 Opaleye Management Inc.239,319$2.73M0.6%-4.3%0.712%
8/15/2025 EcoR1 Capital LLC1,149,794$13.12M0.8%-8.7%3.423%
8/15/2025 Bridgeway Capital Management LLC29,200$333K0.0%N/A0.087%
8/15/2025 Bank of America Corp DE42,387$484K0.0%+50.9%0.126%
8/14/2025 MPM Bioimpact LLC1,294,416$14.77M2.6%+14.3%3.853%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.9,329$106K0.0%+40.3%0.028%
8/14/2025 The Manufacturers Life Insurance Company 87,097$994K0.0%+73.8%0.259%
8/14/2025 Stempoint Capital LP141,021$1.61M0.5%+46.0%0.420%
8/14/2025 Resolute Capital Asset Partners LLC49,670$567K0.3%N/A0.148%
8/13/2025 Walleye Capital LLC70,333$802K0.0%+116.5%0.209%
8/13/2025 Sio Capital Management LLC241,000$2.75M1.1%N/A0.717%
8/13/2025 Virtus Investment Advisers LLC8,772$100K0.0%+9.6%0.026%
8/12/2025 XTX Topco Ltd11,861$135K0.0%N/A0.035%
8/12/2025 Rhumbline Advisers23,662$270K0.0%+171.6%0.071%
8/12/2025 Franklin Resources Inc.494,852$5.65M0.0%+34.0%1.481%
8/12/2025 JPMorgan Chase & Co.8,184$93K0.0%-95.9%0.024%
8/8/2025 Rockefeller Capital Management L.P.34,135$389K0.0%N/A0.102%
8/8/2025 Intech Investment Management LLC14,271$163K0.0%+33.0%0.043%
8/8/2025 Geode Capital Management LLC348,447$3.98M0.0%+27.0%1.043%
7/29/2025 Koa Wealth Management LLC31,752$362K0.3%+63.7%0.095%
7/28/2025 TD Asset Management Inc171,304$1.96M0.0%+13.1%0.513%
7/21/2025 Platinum Investment Management Ltd.112,743$1.29M0.1%-39.4%0.337%
6/27/2025 Goldman Sachs Group Inc.15,168$112K0.0%-56.4%0.045%
5/16/2025Woodline Partners LP877,461$6.48M0.0%+44.1%2.625%
5/16/2025Exome Asset Management LLC133,113$982K0.8%N/A0.398%
5/16/2025Goldman Sachs Group Inc.15,168$112K0.0%-56.4%0.045%
5/16/2025Parkman Healthcare Partners LLC328,323$2.42M0.3%+93.1%0.982%
5/15/2025MPM Bioimpact LLC1,132,950$8.36M1.4%N/A3.390%
5/15/2025Driehaus Capital Management LLC1,579,207$11.66M0.1%-0.2%4.725%
5/14/2025Affinity Asset Advisors LLC175,000$1.29M0.1%N/A0.524%
5/14/2025Walleye Capital LLC32,490$240K0.0%N/A0.097%
5/14/2025Jump Financial LLC28,996$214K0.0%N/A0.087%
5/14/2025Wellington Management Group LLP2,638,521$19.47M0.0%-9.3%7.894%
5/13/2025Wealthedge Investment Advisors LLC11,864$88K0.0%N/A0.035%
5/12/2025Nuveen LLC14,471$107K0.0%N/A0.043%
5/12/2025Koa Wealth Management LLC19,396$143K0.1%N/A0.058%
5/9/2025Deutsche Bank AG8,762$65K0.0%+102.0%0.026%
5/9/2025Charles Schwab Investment Management Inc.94,546$698K0.0%+1.3%0.283%
5/7/2025TD Asset Management Inc151,504$1.12M0.0%+313.9%0.453%
5/1/2025New York State Common Retirement Fund4,300$32K0.0%N/A0.013%
4/30/2025Alps Advisors Inc.26,034$192K0.0%-3.6%0.078%
4/28/2025Aaron Wealth Advisors LLC50,000$369K0.0%N/A0.150%
3/24/2025Wellington Management Group LLP2,909,639$52.99M0.0%-1.0%8.705%
2/17/2025Woodline Partners LP608,721$11.22M0.1%+17.1%1.821%
2/17/2025Parkman Healthcare Partners LLC170,000$3.13M0.4%N/A0.509%
2/17/2025Nuveen Asset Management LLC14,471$267K0.0%N/A0.043%
2/17/2025Millennium Management LLC333,642$6.15M0.0%-24.2%0.998%
2/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.6,335$117K0.0%N/A0.019%
2/17/2025Deutsche Bank AG4,338$80K0.0%N/A0.013%
2/17/2025Driehaus Capital Management LLC1,581,760$29.15M0.2%+61.2%4.733%
2/17/2025Citadel Advisors LLC220,330$4.06M0.0%+62.5%0.659%
2/17/2025Bank of America Corp DE16,059$296K0.0%N/A0.048%
2/17/2025BNP Paribas Financial Markets1,486$27K0.0%N/A0.004%
2/17/2025Alyeska Investment Group L.P.174,700$3.22M0.0%-22.4%0.523%
2/14/2025Schonfeld Strategic Advisors LLC71,500$1.32M0.0%N/A0.214%
2/14/2025Northern Trust Corp90,682$1.67M0.0%N/A0.271%
2/14/2025The Manufacturers Life Insurance Company49,675$916K0.0%+7.5%0.149%
2/14/2025Virtus ETF Advisers LLC3,468$64K0.0%N/A0.010%
2/14/2025Price T Rowe Associates Inc. MD1,161,527$21.41M0.0%-2.6%3.476%
2/14/2025MetLife Investment Management LLC7,230$133K0.0%N/A0.022%
2/13/2025Marshall Wace LLP25,900$477K0.0%+115.8%0.077%
2/13/2025Wells Fargo & Company MN5,844$108K0.0%N/A0.017%
2/12/2025Geode Capital Management LLC265,703$4.90M0.0%+1,093.2%0.795%
2/12/2025Franklin Resources Inc.369,300$6.81M0.0%-17.9%1.105%
2/12/2025Wellington Management Group LLP2,909,639$52.99M0.0%-1.0%8.706%
2/12/2025Norges Bank25,000$461K0.0%N/A0.075%
2/12/2025BIT Capital GmbH12,743$235K0.0%N/A0.038%
2/12/2025JPMorgan Chase & Co.9,106$168K0.0%N/A0.027%
2/11/2025Corebridge Financial Inc.5,593$103K0.0%N/A0.017%
2/11/2025Platinum Investment Management Ltd.162,090$2.99M0.2%+8.1%0.485%
2/6/2025Charles Schwab Investment Management Inc.93,311$1.72M0.0%N/A0.279%
2/4/2025Bank of New York Mellon Corp23,914$441K0.0%N/A0.072%
1/30/2025Rhumbline Advisers9,472$175K0.0%N/A0.028%
11/27/2024Franklin Resources Inc.450,000$11.69M0.0%N/A1.347%
11/19/2024Barclays PLC16,400$426K0.0%N/A0.049%
11/18/2024Teachers Retirement System of The State of Kentucky26,708$694K0.0%N/A0.080%
11/16/2024Geode Capital Management LLC22,269$579K0.0%N/A0.067%
11/15/2024Frazier Life Sciences Management L.P.5,985,347$155.50M6.2%N/A17.909%
11/15/2024Barclays PLC16,400$426K0.0%N/A0.049%
11/15/2024Jane Street Group LLC26,570$690K0.0%N/A0.080%
11/15/2024Wellington Management Group LLP2,937,853$74.26M0.0%N/A8.791%
11/15/2024Soros Fund Management LLC30,000$779K0.0%N/A0.090%
11/15/2024RA Capital Management L.P.1,511,334$39.26M0.5%N/A4.522%
11/15/2024Point72 DIFC Ltd24,011$624K0.0%N/A0.072%
11/15/2024Point72 Asset Management L.P.15,600$405K0.0%N/A0.047%
11/15/2024Maven Securities LTD50,000$1.30M0.0%N/A0.150%
11/15/2024Point72 Asia Singapore Pte. Ltd.10,706$278K0.1%N/A0.032%
11/14/2024NEA Management Company LLC3,614,486$93.90M5.1%N/A10.816%
11/13/2024The Manufacturers Life Insurance Company46,194$1.20M0.0%N/A0.138%
(Data available from 1/1/2016 forward)

MBX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MBX shares?

During the previous two years, 64 institutional investors and hedge funds held shares of MBX Biosciences. The most heavily invested institutionals were Frazier Life Sciences Management L.P. ($155.50M), NEA Management Company LLC ($93.90M), RA Capital Management L.P. ($39.26M), Price T Rowe Associates Inc. MD ($21.41M), Wellington Management Group LLP ($19.47M), MPM Bioimpact LLC ($14.77M), and EcoR1 Capital LLC ($13.12M).Learn more on MBX Biosciences' institutional investors.

Which institutional investors have been buying MBX Biosciences' stock?

Of the 57 institutional investors that purchased MBX Biosciences' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Frazier Life Sciences Management L.P. ($5.99M), NEA Management Company LLC ($3.61M), Wellington Management Group LLP ($2.94M), RA Capital Management L.P. ($1.51M), MPM Bioimpact LLC ($1.29M), Driehaus Capital Management LLC ($600.44K), and Franklin Resources Inc. ($575.54K).

How much institutional buying is happening at MBX Biosciences?

Institutional investors have bought a total of 19,466,235 shares in the last 24 months. This purchase volume represents approximately $440.20M in transactions.

Which of MBX Biosciences' major shareholders have been selling company stock?

Of the 13 institutional investors that sold MBX Biosciences' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Wellington Management Group LLP ($327.55K), JPMorgan Chase & Co. ($193.05K), EcoR1 Capital LLC ($109.48K), Millennium Management LLC ($106.77K), Franklin Resources Inc. ($80.70K), Platinum Investment Management Ltd. ($73.19K), and Exome Asset Management LLC ($70.04K).

How much institutional selling is happening at MBX Biosciences?

Institutional investors have sold a total of 1,096,020 shares in the last 24 months. This volume of shares sold represents approximately $13.53M in transactions.


Related Companies

This page (NYSE:MBX) was last updated on 9/13/2025 by MarketBeat.com Staff
From Our Partners
Why Trump’s “Smart Dollar” could rewrite the rules
MUST SEE: Donald Trump's Radical Overhaul of the U.S. Dollar Congress just approved President Trump's lates...
Stansberry Research | Sponsoredtc pixel
Trump's Law S.1582: $21T Dollar Revolution Coming
Do you have money in any of these banks? Chase. Bank of America. Citigroup. Wells Fargo. U.S. Bancorp. I...
Brownstone Research | Sponsoredtc pixel
Retire Comfortably with These New Monthly Income ETFs?
Too many retirees lie awake at night, worried their savings won’t last. Traditional advice and tiny returns ju...
Investors Alley | Sponsoredtc pixel
“Fed Proof” Your Bank Account with THESE 4 Simple Steps
Starting as soon as a few months from now, the United States government will make a sweeping change to bank ac...
Weiss Ratings | Sponsoredtc pixel
October 16 Changes the Microchip Game — and Investing
While everyone's chasing the same AI plays, George Gilder is focused on something completely different. He ...
Banyan Hill Publishing | Sponsoredtc pixel
INVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting Off
Right now, we’re witnessing a monumental shift in the world.
Traders Agency | Sponsoredtc pixel
Forget Tesla — This Tiny AI Stock Is Musk’s Real Play
While Wall Street focused on Tesla’s earnings, Elon Musk was quietly building a supercomputer so powerful it c...
Behind the Markets | Sponsoredtc pixel
Nvidia Times 1,000,000
Nvidia’s latest AI chip is a $25,000 powerhouse — with 80 billion transistors and the ability to perform 60 tr...
Paradigm Press | Sponsoredtc pixel