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MBX Biosciences (MBX) Institutional Ownership

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

Number of
Institutional Buyers
(last 12 months)
56
Total
Institutional Inflows
(last 12 months)
$437.83M
Number of
Institutional Sellers
(last 12 months)
10
Total
Institutional Outflows
(last 12 months)
$11.36M
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MBX Institutional Buying and Selling by Quarter

MBX Biosciences Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/14/2025The Manufacturers Life Insurance Company 87,097$994K0.0%+73.8%0.259%
8/14/2025Stempoint Capital LP141,021$1.61M0.5%+46.0%0.420%
8/14/2025Resolute Capital Asset Partners LLC49,670$567K0.3%N/A0.148%
8/13/2025Walleye Capital LLC70,333$802K0.0%+116.5%0.209%
8/13/2025Sio Capital Management LLC241,000$2.75M1.1%N/A0.717%
8/13/2025Virtus 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%
6/27/2025Goldman 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%
5/12/2025 Nuveen LLC14,471$107K0.0%N/A0.043%
5/12/2025 Koa Wealth Management LLC19,396$143K0.1%N/A0.058%
5/9/2025 Deutsche Bank AG8,762$65K0.0%+102.0%0.026%
5/9/2025 Charles Schwab Investment Management Inc.94,546$698K0.0%+1.3%0.283%
5/7/2025 TD 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%
4/30/2025 Alps Advisors Inc.26,034$192K0.0%-3.6%0.078%
4/28/2025 Aaron 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%
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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%
2/17/2025 Deutsche 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%
2/12/2025 Geode Capital Management LLC265,703$4.90M0.0%+1,093.2%0.795%
2/12/2025 Franklin 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%
2/12/2025 BIT Capital GmbH12,743$235K0.0%N/A0.038%
2/12/2025 JPMorgan Chase & Co.9,106$168K0.0%N/A0.027%
2/11/2025 Corebridge Financial Inc.5,593$103K0.0%N/A0.017%
2/11/2025 Platinum Investment Management Ltd.162,090$2.99M0.2%+8.1%0.485%
2/6/2025 Charles Schwab Investment Management Inc.93,311$1.72M0.0%N/A0.279%
2/4/2025 Bank of New York Mellon Corp23,914$441K0.0%N/A0.072%
1/30/2025 Rhumbline Advisers9,472$175K0.0%N/A0.028%
11/27/2024 Franklin Resources Inc.450,000$11.69M0.0%N/A1.347%
11/19/2024Barclays PLC16,400$426K0.0%N/A0.049%
11/18/2024 Teachers Retirement System of The State of Kentucky26,708$694K0.0%N/A0.080%
11/16/2024 Geode 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, 61 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), Driehaus Capital Management LLC ($11.66M), and MPM Bioimpact LLC ($8.36M).Learn more on MBX Biosciences' institutional investors.

Which institutional investors have been buying MBX Biosciences' stock?

Of the 56 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 ($1.13M), 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 19,258,590 shares in the last 24 months. This purchase volume represents approximately $437.83M in transactions.

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

Of the 10 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), Millennium Management LLC ($106.77K), Franklin Resources Inc. ($80.70K), Platinum Investment Management Ltd. ($73.19K), Alyeska Investment Group L.P. ($50.30K), and Goldman Sachs Group Inc. ($39.32K).

How much institutional selling is happening at MBX Biosciences?

Institutional investors have sold a total of 905,823 shares in the last 24 months. This volume of shares sold represents approximately $11.36M in transactions.


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This page (NYSE:MBX) was last updated on 8/14/2025 by MarketBeat.com Staff
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