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MBX Biosciences, Inc.

MBX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001776111

In the last 90 days, MBX Biosciences, Inc. insiders filed 0 open-market purchases and 1 sale; 172 institutions reported holding it in 13F filings for Q2 2026, worth $3.06B in total; no superinvestor holds it.

Q4 2024 vs. Q3 2024

How the institutions holding MBX Biosciences, Inc. changed between Q3 2024 and Q4 2024.

All holders in Q4 2024All holders in Q3 2024

13F holders of MBX: Q3 2024 compared with Q4 2024
MeasureQ3 2024Q4 2024Change
Holders4563+18
Shares30.3M32.9M+2.64M (+8.7%)
Value$784.1M$606.5M−$177.6M (−22.6%)

New holders (33)

Institutions that held MBX Biosciences, Inc. at the end of Q4 2024 but not at the end of Q3 2024.

Institutions new to MBX in Q4 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.727,952$13.4M0.00%
Parkman Healthcare Partners LLC170,000$3.13M0.42%
State Street Corp142,649$2.63M0.00%
Charles Schwab Investment Management Inc93,311$1.72M0.00%
Northern Trust Corp90,682$1.67M0.00%
Schonfeld Strategic Advisors LLC71,500$1.32M0.01%
UBS Group AG45,901$846.0K0.00%
Alps Advisors Inc27,020$498.0K0.00%
FMR LLC24,573$452.9K0.00%
Bank of New York Mellon Corp23,914$440.7K0.00%
Morgan Stanley23,835$439.3K0.00%
Saturn V Capital Management LLC18,000$331.7K0.13%
Bank of America Corp16,059$296.0K0.00%
Nuveen Asset Management, LLC14,471$266.7K0.00%
BIT Capital GmbH12,743$234.9K0.02%
Rhumbline Advisers9,472$174.6K0.00%
JPMorgan Chase & Co9,106$167.8K0.00%
Citigroup Inc8,864$163.4K0.00%
MetLife Investment Management7,230$133.2K0.00%
Mirae Asset Global ETFs Holdings Ltd.6,335$116.8K0.00%
Wells Fargo & Company5,844$107.7K0.00%
Corebridge Financial, Inc.5,593$103.1K0.00%
Deutsche Bank AG4,338$79.9K0.00%
Virtus ETF Advisers LLC3,468$63.9K0.03%
Police & Firemen's Retirement System of New Jersey2,143$39.5K0.00%
STRS Ohio2,100$38.7K0.00%
BNP Paribas Arbitrage, SA1,486$27.4K0.00%
Ameritas Investment Partners, Inc.1,177$21.7K0.00%
Royal Bank of Canada833$16.0K0.00%
California State Teachers Retirement System832$15.3K0.00%
R Squared Ltd400$7.37K0.01%
Amalgamated Bank384$7.00K0.00%
Sterling Capital Management LLC161$2.97K0.00%

Sold out (15)

Institutions that held MBX Biosciences, Inc. at the end of Q3 2024 and filed for Q4 2024 without it.

Institutions that sold out of MBX in Q4 2024
InstitutionShares, Q3 2024Value, Q3 2024
Monashee Investment Management LLC50,000$1.30M
Maven Securities LTD50,000$1.30M
StemPoint Capital LP50,000$1.30M
Soros Fund Management LLCSuperinvestorSoros Fund Management30,000$779.4K
Ghisallo Capital Management LLC30,000$779.4K
Jane Street Group, LLC26,570$690.3K
Point72 (DIFC) Ltd24,011$623.8K
HRT Financial LP21,637$562.0K
Squarepoint Ops LLC16,470$427.9K
Point72 Asset Management, L.P.15,600$405.3K
Shay Capital LLC15,000$389.7K
Davidson Kempner Capital Management LP13,500$337.6K
Point72 Asia (Singapore) Pte. Ltd.10,706$278.1K
Capula Management Ltd8,362$217.2K
Aster Capital Management (DIFC) Ltd1,810$47.0K