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Metsera, Inc.

MTSRDelisted Nov 13, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0002040807

Metsera, Inc. was delisted on Nov 13, 2025; its insiders filed their last Form 4 on Nov 17, 2025; 155 institutions reported holding it in 13F filings for Q3 2025, worth $3.39B in total; no superinvestor held it.

13F holders, Q1 2025

Institutional positions in Metsera, Inc. as of Mar 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
80
+80 vs. Q4 2024
Shares held
54.6M
+54.6M vs. Q4 2024
Total value
$1.49B
+$1.49B vs. Q4 2024
New holders
80
0 more added
Sold out
0
0 more reduced

Compare with Q4 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MTSR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2025: 80 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 0 institutionsQ1 2024: 0 institutionsQ2 2024: 0 institutionsQ3 2024: 0 institutionsQ4 2024: 0 institutionsQ1 2025: 80 institutionsQ2 2025: 109 institutionsQ3 2025: 155 institutionsQ4 2025: 1 institutionQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2025: $1.49B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $0Q1 2024: $0Q2 2024: $0Q3 2024: $0Q4 2024: $0Q1 2025: $1.49BQ2 2025: $1.74BQ3 2025: $3.39BQ4 2025: $564Q1 2026: $0Q2 2026: $0
Institutions holding MTSR and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20251$564
Q3 2025155$3.39B
Q2 2025109$1.74B
Q1 202580$1.49B
Q4 20240$0
Q3 20240$0
Q2 20240$0
Q1 20240$0
Q4 20230$0
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2025

Shares, value and share of portfolio for each institution holding Metsera, Inc.; share changes are against Q4 2024.

Institutions holding MTSR in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC15,167,808$412.9M0.03%+15,167,808New
Alphabet Inc.4,961,744$135.1M8.56%+4,961,744New
MIC Capital Management UK LLP4,539,540$123.6M25.18%+4,539,540New
VR Adviser, LLC3,750,662$102.1M8.69%+3,750,662New
Janus Henderson Group PLC2,905,462$81.3M0.04%+2,905,462New
T. Rowe Price Investment Management, Inc.2,893,009$78.7M0.05%+2,893,009New
Wellington Management Group LLP2,401,991$65.4M0.01%+2,401,991New
Falcon Edge Capital, LP2,384,050$64.9M28.91%+2,384,050New
BlackRock, Inc.1,814,353$49.4M0.00%+1,814,353New
Viking Global Investors LPSuperinvestorViking Global Investors1,616,612$44.0M0.14%+1,616,612New
Price T Rowe Associates Inc1,557,487$42.4M0.01%+1,557,487New
Vanguard Group Inc1,467,011$39.9M0.00%+1,467,011New
Alliancebernstein L.P.1,202,952$32.7M0.01%+1,202,952New
Paradigm Biocapital Advisors LP1,191,462$32.4M1.49%+1,191,462New
Deep Track Capital, LP1,094,408$29.8M0.96%+1,094,408New
Ra Capital Management, L.P.675,525$18.4M0.31%+675,525New
Deerfield Management Company, L.P. (Series C)500,000$13.6M0.27%+500,000New
Massachusetts Financial Services Co481,679$13.1M0.00%+481,679New
Geode Capital Management, LLC434,647$11.8M0.00%+434,647New
Cormorant Asset Management, LP400,000$10.9M0.82%+400,000New
Jennison Associates LLC355,567$9.68M0.01%+355,567New
Woodline Partners LP300,217$8.17M0.05%+300,217New
American Century Companies Inc286,207$7.79M0.00%+286,207New
Eventide Asset Management, LLC250,000$6.80M0.14%+250,000New
State Street Corp248,648$6.77M0.00%+248,648New
Braidwell LP175,000$4.76M0.17%+175,000New
Ikarian Capital, LLC150,000$4.08M1.33%+150,000New
Siren, L.L.C.150,000$4.08M0.23%+150,000New
Norges Bank127,442$3.47M0.00%+127,442New
Charles Schwab Investment Management Inc125,282$3.41M0.00%+125,282New
Northern Trust Corp122,319$3.33M0.00%+122,319New
Silverarc Capital Management, LLC112,759$3.07M0.64%+112,759New
UBS Group AG105,275$2.87M0.00%+105,275New
TD Asset Management Inc76,824$2.09M0.00%+76,824New
Millennium Management LLC73,698$2.01M0.00%+73,698New
EcoR1 Capital, LLC50,000$1.36M0.08%+50,000New
Citadel Advisors LLC48,495$1.32M0.00%+48,495New
Boothbay Fund Management, LLC48,105$1.31M0.05%+48,105New
Morgan Stanley45,468$1.24M0.00%+45,468New
Sofinnova Investments, Inc.36,800$1.00M0.08%+36,800New
Bank of New York Mellon Corp32,494$884.5K0.00%+32,494New
Schonfeld Strategic Advisors LLC21,395$582.4K0.00%+21,395New
Goldman Sachs Group Inc20,856$567.7K0.00%+20,856New
Nuveen, LLC20,317$553.0K0.00%+20,317New
Barclays PLC19,888$541.4K0.00%+19,888New
Susquehanna International Group, LLP19,112$520.2K0.00%+19,112New
Rhumbline Advisers19,105$520.0K0.00%+19,105New
Prudential Financial Inc14,900$405.6K0.00%+14,900New
Deutsche Bank AG13,740$374.0K0.00%+13,740New
Citigroup Inc10,851$295.4K0.00%+10,851New
Bank of America Corp10,606$288.7K0.00%+10,606New
Ameriprise Financial Inc10,022$272.8K0.00%+10,022New
Invesco Ltd.9,974$271.5K0.00%+9,974New
SummitTX Capital, L.P.9,523$259.2K0.01%+9,523New
MetLife Investment Management9,342$254.3K0.00%+9,342New
Mirae Asset Global ETFs Holdings Ltd.9,126$248.4K0.00%+9,126New
Wells Fargo & Company8,193$223.0K0.00%+8,193New
Manufacturers Life Insurance Company, The8,154$222.0K0.00%+8,154New
Squarepoint Ops LLC7,835$213.3K0.00%+7,835New
Corebridge Financial, Inc.7,556$205.7K0.00%+7,556New
JPMorgan Chase & Co7,295$198.6K0.00%+7,295New
New York State Common Retirement Fund4,800$130.7K0.00%+4,800New
SG Americas Securities, LLC4,647$126.0K0.00%+4,647New
Police & Firemen's Retirement System of New Jersey3,237$88.1K0.00%+3,237New
STRS Ohio2,800$76.2K0.00%+2,800New
Tower Research Capital LLC (TRC)1,573$42.8K0.00%+1,573New
Ameritas Investment Partners, Inc.1,560$42.5K0.00%+1,560New
Legal & General Group Plc1,533$41.7K0.00%+1,533New
California State Teachers Retirement System1,139$31.0K0.00%+1,139New
BNP Paribas Arbitrage, SA800$21.8K0.00%+800New
Advisor Group Holdings, Inc.650$17.7K0.00%+650New
Amalgamated Bank532$14.0K0.00%+532New
Salem Investment Counselors Inc200$5.44K0.00%+200New
SBI Securities Co., Ltd.152$4.14K0.00%+152New
Sterling Capital Management LLC126$3.43K0.00%+126New
Royal Bank of Canada71$2.00K0.00%+71New
SRS Capital Advisors, Inc.30$8170.00%+30New
Jones Financial Companies LLLP25$7000.00%+25New
The PNC Financial Services Group, Inc.17$4630.00%+17New
Nisa Investment Advisors, LLC9$2450.00%+9New