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MBX Biosciences (MBX) Institutional Ownership

MBX Biosciences logo
$37.50 +0.52 (+1.41%)
Closing price 05/13/2026 04:00 PM Eastern
Extended Trading
$36.51 -0.99 (-2.65%)
As of 05/13/2026 06:50 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 Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for MBX Biosciences (NASDAQ:MBX)

Number of
Institutional Buyers
(last 12 months)
87
Total
Institutional Inflows
(last 12 months)
$285.85M
Number of
Institutional Sellers
(last 12 months)
28
Total
Institutional Outflows
(last 12 months)
$81.33M
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Skip Chart & View Institutional Buying and Selling Data

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
5/14/2026Sei 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%
2/26/2026Seven Fleet Capital Management LP18,200$574K0.4%N/A0.041%
2/19/2026 Invesco Ltd.21,203$669K0.0%+79.9%0.047%
2/18/2026KVP Capital Advisors LP121,524$3.83M3.7%N/A0.271%
2/18/2026XTX Topco Ltd20,139$635K0.0%-47.5%0.045%
2/18/2026Virtus Investment Advisers LLC8,910$281K0.1%-16.1%0.020%
2/18/2026Wellington Management Group LLP3,349,961$105.66M0.0%-30.5%7.461%
2/18/2026Orbimed Advisors LLC3,935,203$124.12M2.6%-1.7%8.764%
2/18/2026Opaleye Management Inc.260,000$8.20M1.1%+2.8%0.579%
2/18/2026Millennium Management LLC462,049$14.57M0.0%-32.1%1.029%
2/18/2026Elmind Capital LP211,000$6.66M2.0%N/A0.470%
2/18/2026Cormorant Asset Management LP1,120,000$35.33M1.6%-8.6%2.494%
2/18/2026Balyasny Asset Management L.P.119,726$3.78M0.0%+366.9%0.267%
2/18/2026Bridgeway Capital Management LLC10,000$315K0.0%-29.6%0.022%
2/17/2026Schonfeld Strategic Advisors LLC167,125$5.27M0.0%-40.9%0.372%
2/17/2026AQR Capital Management LLC31,409$991K0.0%+99.2%0.070%
2/17/2026Braidwell LP1,018,600$32.13M1.0%N/A2.268%
2/17/2026Trexquant Investment LP24,268$765K0.0%N/A0.054%
2/17/2026Price T Rowe Associates Inc. MD840,506$26.51M0.0%-12.0%1.872%
2/17/2026Osaic Holdings Inc.77,601$2.45M0.0%N/A0.173%
2/17/2026California 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%
2/17/2026ExodusPoint Capital Management LP57,005$1.80M0.0%-43.0%0.127%
2/17/2026Royal Bank of Canada1,532$49K0.0%+59.6%0.003%
2/17/2026Graham Capital Management L.P.11,254$355K0.0%N/A0.025%
2/16/2026Squarepoint Ops LLC46,702$1.47M0.0%N/A0.104%
2/16/2026Verition Fund Management LLC57,575$1.82M0.0%-643.2%0.128%
2/16/2026Eventide Asset Management LLC890,000$28.07M0.4%N/A1.982%
2/16/2026Barclays PLC52,691$1.66M0.0%+143.6%0.117%
2/13/2026The Manufacturers Life Insurance Company 69,551$2.16M0.0%+1.7%0.155%
2/13/2026Affinity Asset Advisors LLC250,000$7.89M0.4%+51.5%0.557%
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2/13/2026Schroder Investment Management Group73,736$2.28M0.0%-12.0%0.164%
2/13/2026Rafferty Asset Management LLC8,113$256K0.0%N/A0.018%
2/13/2026Charles 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%
2/13/2026State 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%
2/13/2026Platinum Investment Management Ltd.43,597$1.38M0.3%-37.2%0.097%
2/12/2026MetLife Investment Management LLC16,018$505K0.0%+45.4%0.036%
2/12/2026Renaissance 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%
2/11/2026Cerity 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%
2/10/2026Goldman Sachs Group Inc.331,938$10.47M0.0%-7.3%0.739%
2/10/2026AXQ Capital LP6,463$204K0.0%N/A0.014%
2/10/2026 Intech Investment Management LLC6,858$216K0.0%N/A0.015%
2/9/2026Geode 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%
1/26/2026CWM 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%
1/1/2026JPMorgan Chase & Co.6,175$108K0.0%-24.5%0.014%
12/15/2025 FNY Investment Advisers LLC1,575$27K0.0%N/A0.004%
12/15/2025Hudson Bay Capital Management LP85,000$1.49M0.0%N/A0.189%
11/17/2025Woodline Partners LP1,201,150$21.02M0.1%+33.3%2.675%
11/17/2025XTX Topco Ltd38,378$672K0.0%+223.6%0.085%
11/17/2025Quarry LP6,499$114K0.0%-18.8%0.014%
11/17/2025Parkman Healthcare Partners LLC773,304$13.53M1.4%-11.3%1.722%
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.7,120$125K0.0%-23.7%0.016%
11/17/2025Baker BROS. Advisors LP277,777$4.86M0.0%N/A0.619%
11/17/2025Bank of America Corp DE26,616$466K0.0%-37.2%0.059%
11/14/2025 Creative Planning28,732$503K0.0%N/A0.064%
11/14/2025Schonfeld Strategic Advisors LLC282,677$4.95M0.0%-55.2%0.630%
11/14/2025SummitTX Capital L.P.29,310$513K0.0%N/A0.087%
11/14/2025Deep Track Capital LP3,150,000$55.13M1.5%+43.9%9.377%
11/14/2025Burkehill Global Management LP100,000$1.75M0.1%N/A0.298%
11/14/2025Man Group plc10,225$179K0.0%N/A0.030%
11/14/2025Longaeva Partners L.P.224,433$3.93M0.6%N/A0.668%
11/14/2025Two Sigma Investments LP13,587$238K0.0%N/A0.040%
11/14/2025Bridgeway Capital Management LLC14,200$248K0.0%-51.4%0.042%
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11/14/2025Ghisallo Capital Management LLC38,250$669K0.0%N/A0.114%
11/14/2025Wellington Management Group LLP4,823,336$84.41M0.0%+112.8%14.358%
11/13/2025Platinum Investment Management Ltd.69,428$1.22M0.1%-38.4%0.207%
11/13/2025 UBS Group AG60,725$1.06M0.0%+96.1%0.181%
11/13/2025 BNP Paribas Financial Markets2,896$51K0.0%+117.9%0.009%
11/13/2025Franklin Resources Inc.1,307,288$22.88M0.0%+164.2%3.892%
11/13/2025 Russell Investments Group Ltd.1,481$26K0.0%+4,131.4%0.004%
11/13/2025Schroder Investment Management Group83,766$1.50M0.0%N/A0.249%
11/10/2025 TD Asset Management Inc118,792$2.08M0.0%-30.7%0.354%
11/10/2025 China Universal Asset Management Co. Ltd.5,000$88K0.0%N/A0.015%


MBX Institutional Ownership - Frequently Asked Questions

During the previous two years, 121 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 ($124.12M), 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 111 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 14,549,801 shares in the last 24 months. This purchase volume represents approximately $285.85M 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), Schonfeld Strategic Advisors LLC ($464.29K), Millennium Management LLC ($218.37K), JPMorgan Chase & Co. ($197.07K), Platinum Investment Management Ltd. ($142.34K), Price T Rowe Associates Inc. MD ($114.22K), and EcoR1 Capital LLC ($109.48K).

Institutional investors have sold a total of 3,339,680 shares in the last 24 months. This volume of shares sold represents approximately $81.33M in transactions.


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This page (NASDAQ:MBX) was last updated on 5/14/2026 by MarketBeat.com Staff.
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