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Disclosery

MBX MBX BIOSCIENCES INC

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Stock (common), issuer CIK 1776111

64 managers (64 13F filers) reported a position in MBX shares at 2024-12-31, 32,941,714 shares in all. 31 filers opened a position and 15 filers sold out during the quarter.

Managers
64
13F filers
64
New
31
Added
11
Reduced
8
Sold out
15
Shares held by filers
32,941,714

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2024

Filers in the available 13F reports with a share position at 2024-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Frazier Life Sciences Management, L.P.5,985,347$110M4.58%013F-HRTimeline
ORBIMED ADVISORS LLCin group ORBIMED ADVISORS LLC3,812,215$70.3M1.46%013F-HRTimelineGroup
NEA Management Company, LLC3,614,486$66.6M3.76%013F-HRTimeline
Deep Track Capital, LP3,018,935$55.6M2.09%013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…2,909,639$53M0.01%-28,21413F-HRTimelineGroup
NVP ASSOCIATES, LLC2,136,335$39.4M21.06%013F-HRTimeline
Driehaus Capital Management LLC1,581,760$29.2M0.24%+600,43813F-HRTimeline
RA CAPITAL MANAGEMENT, L.P.in group RA CAPITAL MANAGEMENT, L.P.1,511,334$27.9M0.37%013F-HRTimelineGroup
EcoR1 Capital, LLC1,259,273$23.2M0.93%+83,46413F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/1,161,527$21.4M<0.01%-31,41113F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.727,952$13.4M<0.01%new13F-HRTimelineGroup
Cormorant Asset Management, LP700,000$12.9M0.71%013F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC670,948$12.4M<0.01%+620,94813F-HRTimelineGroup
TCG Crossover Management, LLC650,000$12M1.17%013F-HRTimeline
Woodline Partners LP608,721$11.2M0.08%+89,04613F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources369,300$6.81M<0.01%-80,70013F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC333,642$6.15M0.01%-106,76913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC265,703$4.9M<0.01%+243,43413F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC220,330$4.06M<0.01%+84,72213F-HRTimelineGroup
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.174,700$3.22M0.01%-50,30013F-HRTimelineGroup
Parkman Healthcare Partners LLC170,000$3.13M0.42%new13F-HRTimeline
PLATINUM INVESTMENT MANAGEMENT LTD162,090$2.99M0.18%+12,09013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP142,649$2.63M<0.01%new13F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co93,311$1.72M<0.01%new13F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP90,682$1.67M<0.01%new13F-HRTimelineGroup
Schonfeld Strategic Advisors LLC71,500$1.32M0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …49,675$916K<0.01%+3,48113F-HRTimelineGroup
UBS Group AGin group UBS Group AG45,901$846K<0.01%new13F-HRTimelineGroup
TD Asset Management Inc36,600$675K<0.01%-8,18213F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC34,827$642K<0.01%-16,17313F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC27,020$498K<0.01%new13F-HRTimelineGroup
TEACHERS RETIREMENT SYSTEM OF THE STATE…26,708$492K<0.01%013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP25,900$477K<0.01%+13,90013F-HRTimelineGroup
NORGES BANK25,000$461K<0.01%013F-HRTimeline
FMR LLCin group FMR LLC24,573$453K<0.01%new13F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp23,914$441K<0.01%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY23,835$439K<0.01%new13F-HR/ATimelineGroup
Saturn V Capital Management LP18,000$332K0.13%new13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC17,433$321K<0.01%+1,03313F-HR/ATimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/16,059$296K<0.01%new13F-HRTimelineGroup
Nuveen Asset Management, LLCin group TIAA14,471$267K<0.01%new13F-HRTimelineGroup
BIT Capital GmbH12,743$235K0.02%new13F-HRTimeline
RHUMBLINE ADVISERS9,472$175K<0.01%new13F-HR/ATimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO9,106$168K<0.01%new13F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC8,864$163K<0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…7,230$133K<0.01%new13F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…6,335$117K<0.01%new13F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN5,844$108K<0.01%new13F-HRTimelineGroup
Corebridge Financial, Inc.in group Corebridge Financial, Inc.5,593$103K<0.01%new13F-HRTimelineGroup
Sandia Investment Management LP5,000$92.2K0.17%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\4,338$79.9K<0.01%new13F-HR/ATimelineGroup
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…3,468$63.9K0.03%new13F-HRTimelineGroup
Police & Firemen's Retirement System of…2,143$39.5K<0.01%13F-HRTimeline
STRS OHIO2,100$38.7K<0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS1,486$27.4K<0.01%new13F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…1,177$21.7K<0.01%new13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc1,107$20.4K<0.01%-3,89313F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA833$16K<0.01%new13F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…832$15.3K<0.01%new13F-HR/ATimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…803$14.8K<0.01%+64913F-HRTimelineGroup
R Squared Ltd400$7.37K0.01%13F-HRTimeline
AMALGAMATED BANK384$7K<0.01%new13F-HRTimeline
Sterling Capital Management LLC161$2.97K<0.01%new13F-HRTimeline
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$00%013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.