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MBX

MBX

MBX Biosciences, Inc.Healthcare

Institutional holders
155
As of Q2 2026
Total 13F value
$3B
Sum of disclosed positions
New positions
36
This quarter
Sold positions
18
This quarter

Top holders

Institutions with disclosed positions in this stock

FundValueShares% PortfolioChange
Frazier Life Sciences Management, L.P.

Frazier Life Sciences Management, L.P.

$367.2M6.65M8.00%Unchanged
FMR LLC

Fmr Llc

$293.8M5.32M0.01%+81.3%
WELLINGTON MANAGEMENT GROUP LLP

Wellington Management Group Llp

$274.8M4.98M0.04%+56.0%
NEA Management Company, LLC

Nea Management Company, Llc

$199.5M3.61M12.56%Unchanged
ORBIMED ADVISORS LLC

Orbimed Advisors Llc

$189.3M3.43M3.51%-5.8%
BlackRock, Inc.

Blackrock, Inc.

$183.5M3.32M0.00%+13.0%
Paradigm Biocapital Advisors LP

Paradigm Biocapital Advisors Lp

$138.4M2.51M2.59%New Position
NVP Associates, LLC

Nvp Associates, Llc

$117.9M2.14M35.93%Unchanged
Deep Track Capital, LP

Deep Track Capital, Lp

$95.6M1.73M1.39%-37.2%
Polar Capital Holdings Plc

Polar Capital Holdings Plc

$88.8M1.61M0.21%-0.8%
VANGUARD CAPITAL MANAGEMENT LLC

Vanguard Capital Management Llc

$81.6M1.48M0.00%-0.0%
DRIEHAUS CAPITAL MANAGEMENT LLC

Driehaus Capital Management Llc

$58.3M1.06M0.34%+3.8%
Kynam Capital Management, LP

Kynam Capital Management, Lp

$51.6M934.8K2.85%Unchanged
Woodline Partners LP

Woodline Partners Lp

$49.7M900.1K0.15%Added
EVENTIDE ASSET MANAGEMENT, LLC

Eventide Asset Management, Llc

$48.2M873.5K0.64%-1.9%
STATE STREET CORP

State Street Corporation

$47.7M864.5K0.00%+9.8%
PRICE T ROWE ASSOCIATES INC /MD/

Price T Rowe Associates Inc /Md/

$45M814.8K0.00%-20.8%
Parkman Healthcare Partners LLC

Parkman Healthcare Partners Llc

$44.2M800.2K4.52%+0.0%
GEODE CAPITAL MANAGEMENT, LLC

Geode Capital Management, Llc

$42.7M773.1K0.00%+15.3%
BRAIDWELL LP

Braidwell Lp

$39.2M710.9K1.45%-52.4%
TCG Crossover Management, LLC

Tcg Crossover Management, Llc

$35.9M650.0K0.86%Unchanged
Cormorant Asset Management, LP

Cormorant Asset Management, Lp

$30.4M550.0K1.56%-50.9%
Soleus Capital Management, L.P.

Soleus Capital Management, L.P.

$28.4M515.3K0.98%+188.0%
GOLDMAN SACHS GROUP INC

Goldman Sachs Group

$25.3M459.0K0.00%+0.2%
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

California State Teachers Retirement System

$24.7M1.31M0.00%+5568.1%
MARSHALL WACE, LLP

Marshall Wace, Llp

$22.2M401.9K0.02%+540.9%
EcoR1 Capital, LLC

Ecor1 Capital, Llc

$21.4M388.5K1.04%-50.0%
VANGUARD PORTFOLIO MANAGEMENT LLC

Vanguard Portfolio Management Llc

$19.1M346.7K0.00%+18.2%
BANK OF AMERICA CORP /DE/

Bank Of America

$16.5M298.9K0.00%+939.8%
Rock Springs Capital Management LP

Rock Springs Capital Management Lp

$16.5M298.2K0.80%+3.6%
Candriam S.C.A.

Candriam S.C.A.

$16M289.9K0.07%-1.5%
UBS Group AG

Ubs Group Ag

$15.1M272.7K0.00%-21.4%
Opaleye Management Inc.

Opaleye Management Inc.

$14.4M260.0K1.30%Unchanged
FRANKLIN RESOURCES INC

Franklin Resources Inc

$13.9M252.7K0.00%New Position
Schonfeld Strategic Advisors LLC

Schonfeld Strategic Advisors Llc

$13.7M248.7K0.05%+100.8%
MORGAN STANLEY

Morgan Stanley

$13.7M248.6K0.00%+687.5%
NORTHERN TRUST CORP

Northern Trust Corp

$13.6M246.7K0.00%+17.1%
DIMENSIONAL FUND ADVISORS LP

Dimensional Fund Advisors Lp

$12.9M233.7K0.00%+399.9%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC

Charles Schwab Investment Management Inc

$12.9M233.1K0.00%+8.5%
Sixth Street Partners Management Company, L.P.

Sixth Street Partners Management Company, L.P.

$12.9M233.1K0.00%New Position
MILLENNIUM MANAGEMENT LLC

Millennium Management

$12.5M226.2K0.00%-59.9%
Tetragon Partners GP Ltd

Tfg Asset Management Gp Ltd

$11.2M203.5K1.77%+39.9%
VANGUARD FIDUCIARY TRUST CO

Vanguard Fiduciary Trust Co

$11.1M201.4K0.00%+18.4%
Caligan Partners LP

Caligan Partners Lp

$11M200.0K0.52%-76.4%
D. E. Shaw & Co., Inc.

D.E. Shaw & Co

$10.1M182.8K0.00%-36.7%
JPMORGAN CHASE & CO

Jpmorgan Chase

$7.5M139.6K0.00%New Position
KVP Capital Advisors, LP

Kvp Capital Advisors, Lp

$6.7M121.5K4.92%Unchanged
TWO SIGMA INVESTMENTS, LP

Two Sigma Investments

$6.3M113.5K0.00%-1.4%
Burkehill Global Management, LP

Burkehill Global Management, Lp

$5.5M100.0K0.20%Unchanged
Nuveen, LLC

Nuveen, Llc

$5.5M98.7K0.00%+20.7%

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