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MBX Biosciences (MBX) Institutional Ownership

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$30.05 -0.65 (-2.12%)
Closing price 04:00 PM Eastern
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$30.04 0.00 (-0.02%)
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Institutional Ownership Changes (13F Filings) for MBX Biosciences (NASDAQ:MBX)

Number of
Institutional Buyers
(last 12 months)
86
Total
Institutional Inflows
(last 12 months)
$300.14M
Number of
Institutional Sellers
(last 12 months)
28
Total
Institutional Outflows
(last 12 months)
$133.66M
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MBX Institutional Buying and Selling by Quarter

MBX Biosciences Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/19/2026 Bank of America Corp DE28,750$858K0.0%-24.1%0.060%
5/19/2026 Stempoint Capital LP499,469$14.91M2.8%+535.8%1.049%
5/19/2026 Janus Henderson Group PLC10,300$308K0.0%N/A0.022%
5/18/2026 California State Teachers Retirement System22,765$680K0.0%+1,197.9%0.048%
5/18/2026 Rock Springs Capital Management LP287,967$8.60M0.5%+1.9%0.605%
5/18/2026 EcoR1 Capital LLC777,000$23.19M1.0%-63.4%1.632%
5/16/2026 The Manufacturers Life Insurance Company 90,634$2.71M0.0%+30.3%0.190%
5/16/2026 Orbimed Advisors LLC3,637,887$108.59M2.0%-7.6%7.643%
5/15/2026 Affinity Asset Advisors LLC150,000$4.48M0.2%-40.0%0.315%
5/14/2026 Sei Investments Co.8,989$268K0.0%+17.4%0.019%
5/7/2026 Dimensional Fund Advisors LP46,753$1.40M0.0%N/A0.098%
5/7/2026 Swiss National Bank44,400$1.33M0.0%N/A0.093%
5/5/2026 Bank of New York Mellon Corp80,222$2.40M0.0%+6.6%0.169%
5/1/2026 Candriam S.C.A.294,374$8.79M0.0%N/A0.619%
4/29/2026 Koa Wealth Management LLC17,913$535K0.4%-2.7%0.038%
4/25/2026 Strs Ohio1,600$48K0.0%+128.6%0.003%
4/22/2026 Sterling Capital Management LLC949$28K0.0%-42.2%0.002%
4/21/2026 Aaron Wealth Advisors LLC1,168,176$34.87M2.0%+1,568.8%2.459%
4/16/2026 SG Americas Securities LLC3,386$101K0.0%-28.9%0.007%
2/26/2026 Seven Fleet Capital Management LP18,200$574K0.4%N/A0.041%
2/19/2026 Invesco Ltd.21,203$669K0.0%+79.9%0.047%
2/18/2026 KVP Capital Advisors LP121,524$3.83M3.7%N/A0.271%
2/18/2026 XTX Topco Ltd20,139$635K0.0%-47.5%0.045%
2/18/2026 Virtus Investment Advisers LLC8,910$281K0.1%-16.1%0.020%
2/18/2026 Wellington Management Group LLP3,349,961$105.66M0.0%-30.5%7.461%
2/18/2026 Orbimed Advisors LLC3,935,203$124.12M2.6%-1.7%8.764%
2/18/2026 Opaleye Management Inc.260,000$8.20M1.1%+2.8%0.579%
2/18/2026 Millennium Management LLC462,049$14.57M0.0%-32.1%1.029%
2/18/2026 Elmind Capital LP211,000$6.66M2.0%N/A0.470%
2/18/2026 Cormorant Asset Management LP1,120,000$35.33M1.6%-8.6%2.494%
2/18/2026 Balyasny Asset Management L.P.119,726$3.78M0.0%+366.9%0.267%
2/18/2026 Bridgeway Capital Management LLC10,000$315K0.0%-29.6%0.022%
2/17/2026 Schonfeld Strategic Advisors LLC167,125$5.27M0.0%-40.9%0.372%
2/17/2026 AQR Capital Management LLC31,409$991K0.0%+99.2%0.070%
2/17/2026 Braidwell LP1,018,600$32.13M1.0%N/A2.268%
2/17/2026 Trexquant Investment LP24,268$765K0.0%N/A0.054%
2/17/2026 Price T Rowe Associates Inc. MD840,506$26.51M0.0%-12.0%1.872%
2/17/2026 Osaic Holdings Inc.77,601$2.45M0.0%N/A0.173%
2/17/2026 California State Teachers Retirement System1,754$55K0.0%+64.7%0.004%
2/17/2026 Russell Investments Group Ltd.2,856$90K0.0%+92.8%0.006%
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2/17/2026 ExodusPoint Capital Management LP57,005$1.80M0.0%-43.0%0.127%
2/17/2026 Royal Bank of Canada1,532$49K0.0%+59.6%0.003%
2/17/2026 Graham Capital Management L.P.11,254$355K0.0%N/A0.025%
2/16/2026 Squarepoint Ops LLC46,702$1.47M0.0%N/A0.104%
2/16/2026 Verition Fund Management LLC57,575$1.82M0.0%-643.2%0.128%
2/16/2026 Eventide Asset Management LLC890,000$28.07M0.4%N/A1.982%
2/16/2026 Barclays PLC52,691$1.66M0.0%+143.6%0.117%
2/13/2026 The Manufacturers Life Insurance Company 69,551$2.16M0.0%+1.7%0.155%
2/13/2026 Affinity Asset Advisors LLC250,000$7.89M0.4%+51.5%0.557%
2/13/2026 Schroder Investment Management Group73,736$2.28M0.0%-12.0%0.164%
2/13/2026 Rafferty Asset Management LLC8,113$256K0.0%N/A0.018%
2/13/2026 Charles Schwab Investment Management Inc.222,180$7.01M0.0%+30.7%0.495%
2/13/2026 Police & Firemen s Retirement System of New Jersey7,520$237K0.0%+66.8%0.017%
2/13/2026 State Street Corp672,740$21.22M0.0%+110.7%1.498%
2/13/2026 Wells Fargo & Company MN31,931$1.01M0.0%+171.6%0.071%
2/13/2026 Platinum Investment Management Ltd.43,597$1.38M0.3%-37.2%0.097%
2/12/2026 MetLife Investment Management LLC16,018$505K0.0%+45.4%0.036%
2/12/2026 Renaissance Technologies LLC32,644$1.03M0.0%N/A0.073%
2/12/2026 Alps Advisors Inc.36,872$1.16M0.0%+119.0%0.082%
2/12/2026 Nuveen LLC75,565$2.38M0.0%+241.3%0.168%
2/11/2026 Deutsche Bank AG20,027$632K0.0%+83.3%0.045%
2/11/2026 Fox Run Management L.L.C.23,820$751K0.1%N/A0.053%
2/11/2026 Cerity Partners LLC21,323$673K0.0%N/A0.047%
2/11/2026 Los Angeles Capital Management LLC10,360$327K0.0%N/A0.023%
2/10/2026 TD Asset Management Inc101,450$3.20M0.0%-14.6%0.226%
2/10/2026 Goldman Sachs Group Inc.331,938$10.47M0.0%-7.3%0.739%
2/10/2026 AXQ Capital LP6,463$204K0.0%N/A0.014%
2/10/2026 Intech Investment Management LLC6,858$216K0.0%N/A0.015%
2/9/2026 Geode Capital Management LLC649,391$20.49M0.0%+37.0%1.446%
2/6/2026 ProShare Advisors LLC7,187$227K0.0%N/A0.016%
1/29/2026 Koa Wealth Management LLC18,413$581K0.4%-31.1%0.041%
1/29/2026 UBS Group AG281,212$8.87M0.0%+363.1%0.626%
1/29/2026Vanguard Group Inc.1,817,811$57.33M0.0%+8.4%4.049%
1/29/2026 China Universal Asset Management Co. Ltd.15,317$483K0.0%+206.3%0.034%
1/27/2026 GF Fund Management CO. LTD.882$28K0.0%N/A0.002%
1/26/2026 Mirae Asset Global Investments Co. Ltd.2,182$69K0.0%N/A0.005%
1/26/2026 CWM LLC1,784$56K0.0%+28.9%0.004%
1/21/2026 Aaron Wealth Advisors LLC70,000$2.21M0.1%+40.0%0.156%
1/14/2026 Goelzer Investment Management Inc.221,672$6.99M0.3%N/A0.494%
1/9/2026 SG Americas Securities LLC4,765$150K0.0%N/A0.011%
1/1/2026 JPMorgan Chase & Co.6,175$108K0.0%-24.5%0.014%
12/15/2025 FNY Investment Advisers LLC1,575$27K0.0%N/A0.004%
12/15/2025 Hudson Bay Capital Management LP85,000$1.49M0.0%N/A0.189%
11/17/2025 Woodline Partners LP1,201,150$21.02M0.1%+33.3%2.675%
11/17/2025 XTX Topco Ltd38,378$672K0.0%+223.6%0.085%
11/17/2025 Quarry LP6,499$114K0.0%-18.8%0.014%
11/17/2025 Parkman Healthcare Partners LLC773,304$13.53M1.4%-11.3%1.722%
11/17/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.7,120$125K0.0%-23.7%0.016%
11/17/2025 Baker BROS. Advisors LP277,777$4.86M0.0%N/A0.619%
11/17/2025 Bank of America Corp DE26,616$466K0.0%-37.2%0.059%
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11/14/2025 Creative Planning28,732$503K0.0%N/A0.064%
11/14/2025 Schonfeld Strategic Advisors LLC282,677$4.95M0.0%-55.2%0.630%
11/14/2025 SummitTX Capital L.P.29,310$513K0.0%N/A0.087%
11/14/2025 Deep Track Capital LP3,150,000$55.13M1.5%+43.9%9.377%
11/14/2025 Burkehill Global Management LP100,000$1.75M0.1%N/A0.298%
11/14/2025 Man Group plc10,225$179K0.0%N/A0.030%
11/14/2025 Longaeva Partners L.P.224,433$3.93M0.6%N/A0.668%
11/14/2025 Two Sigma Investments LP13,587$238K0.0%N/A0.040%
11/14/2025 Bridgeway Capital Management LLC14,200$248K0.0%-51.4%0.042%
11/14/2025 Ghisallo Capital Management LLC38,250$669K0.0%N/A0.114%


MBX Institutional Ownership - Frequently Asked Questions

During the previous two years, 123 institutional investors and hedge funds held shares of MBX Biosciences. The most heavily invested institutionals were Frazier Life Sciences Management L.P. ($155.50M), Orbimed Advisors LLC ($108.59M), Wellington Management Group LLP ($105.66M), NEA Management Company LLC ($93.90M), Vanguard Group Inc. ($57.33M), Deep Track Capital LP ($55.13M), and RA Capital Management L.P. ($39.26M).Learn more on MBX Biosciences' institutional investors.

Of the 113 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), Wellington Management Group LLP ($5.49M), NEA Management Company LLC ($3.61M), RA Capital Management L.P. ($1.51M), Franklin Resources Inc. ($1.39M), MPM Bioimpact LLC ($1.29M), and Aaron Wealth Advisors LLC ($1.17M).

Institutional investors have bought a total of 13,335,328 shares in the last 24 months. This purchase volume represents approximately $300.14M in transactions.

Of the 28 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 ($1.47M), EcoR1 Capital LLC ($1.46M), Schonfeld Strategic Advisors LLC ($464.29K), Orbimed Advisors LLC ($365K), Millennium Management LLC ($218.37K), JPMorgan Chase & Co. ($197.07K), and Platinum Investment Management Ltd. ($142.34K).

Institutional investors have sold a total of 5,070,532 shares in the last 24 months. This volume of shares sold represents approximately $133.66M in transactions.



This page (NASDAQ:MBX) was last updated on 6/3/2026 by MarketBeat.com Staff.
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