MetseraMTSR

13F holders, Q1 2025 (March 31)
80holders
3famous investors
$27.26avg. 13F price*

At the end of Q1 2025, 80 institutions reported holding Metsera Inc. (MTSR) in their 13F filings. The largest holders were FMR LLC ($412.9M), Alphabet Inc. ($135.1M) and MIC Capital Management UK LLP ($123.6M). 3 famous investors held it, including Andreas Halvorsen (0.1% of Viking Global Investors's portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Metsera Inc.
CUSIP
59267L107
Latest filing quarter
Q4 2025

History

Number of 13F holders

050100150200 Q1 2025: 80Q1 2025Q2 2025: 109Q2 2025Q3 2025: 155Q3 2025Q4 2025: 1Q4 2025

Total Exit/New Position Q1 2025

InstitutionsTotal Value
New Positions78$1.5B
Exits0$0

Ownership 80 holders

FMR LLC 0.03% New 15,167,808 $412.9M
Alphabet Inc. 8.56% New 4,961,744 $135.1M
MIC Capital Management UK LLP 25.18% New 4,539,540 $123.6M
Venrock Adviser, LLC 8.69% New 3,750,662 $102.1M
Janus Henderson Group PLC 0.04% New 2,905,462 $81.3M
T. Rowe Price Investment Management, Inc. 0.05% New 2,893,009 $78.7M
Wellington Management Group LLP 0.01% New 2,401,991 $65.4M
Alpha Wave Global, LP 28.91% New 2,384,050 $64.9M
BlackRock, Inc. 0.00% New 1,814,353 $49.4M
Viking Global Investors 0.14% New 1,616,612 $44.0M
T. Rowe Price Associates Inc. 0.01% New 1,557,487 $42.4M
Vanguard Group Inc. 0.00% New 1,467,011 $39.9M
Alliancebernstein L.P. 0.01% New 1,202,952 $32.7M
Paradigm Biocapital Advisors LP 1.49% New 1,191,462 $32.4M
Deep Track Capital, LP 0.96% New 1,094,408 $29.8M
Ra Capital Management, L.P. 0.31% New 675,525 $18.4M
Deerfield Management Company, L.P. 0.31% New 500,000 $13.6M
Massachusetts Financial Services Co. 0.00% New 481,679 $13.1M
Geode Capital Management, LLC 0.00% New 434,647 $11.8M
Cormorant Asset Management, LP 0.82% New 400,000 $10.9M
Jennison Associates LLC 0.01% New 355,567 $9.7M
Woodline Partners LP 0.05% New 300,217 $8.2M
American Century Companies Inc. 0.00% New 286,207 $7.8M
Eventide Asset Management, LLC 0.14% New 250,000 $6.8M
State Street Corp. 0.00% New 248,648 $6.8M
Braidwell LP 0.25% New 175,000 $4.8M
Ikarian Capital, LLC 1.33% New 150,000 $4.1M
Siren, L.L.C. 0.23% New 150,000 $4.1M
Norges Bank 0.00% New 127,442 $3.5M
Charles Schwab Investment Management Inc. 0.00% New 125,282 $3.4M
Northern Trust Corp. 0.00% New 122,319 $3.3M
Silverarc Capital Management, LLC 0.64% New 112,759 $3.1M
UBS Group AG 0.00% New 105,275 $2.9M
TD Asset Management Inc 0.00% New 76,824 $2.1M
Millennium Management 0.00% New 73,698 $2.0M
EcoR1 Capital, LLC 0.08% New 50,000 $1.4M
Citadel Advisors 0.00% New 48,495 $1.3M
Boothbay Fund Management, LLC 0.05% New 48,105 $1.3M
Morgan Stanley 0.00% New 45,468 $1.2M
Sofinnova Investments, Inc. 0.08% New 36,800 $1.0M
Bank of New York Mellon Corp 0.00% New 32,494 $884K
Schonfeld Strategic Advisors LLC 0.00% New 21,395 $582K
Goldman Sachs Group Inc. 0.00% New 20,856 $568K
Nuveen, LLC 0.00% — 20,317 $553K
Barclays PLC 0.00% New 19,888 $541K
Susquehanna International Group, LLP 0.00% New 19,112 $520K
Rhumbline Advisers 0.00% New 19,105 $520K
Prudential Financial Inc. 0.00% New 14,900 $406K
Deutsche Bank AG 0.00% New 13,740 $374K
Citigroup Inc. 0.00% New 10,851 $295K
Bank of America Corp. 0.00% New 10,606 $289K
Ameriprise Financial Inc. 0.00% New 10,022 $273K
Invesco Ltd. 0.00% New 9,974 $271K
SummitTX Capital, L.P. 0.01% — 9,523 $259K
MetLife Investment Management, LLC 0.00% New 9,342 $254K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% New 9,126 $248K
Wells Fargo & Company 0.00% New 8,193 $223K
Manufacturers Life Insurance Company, The 0.00% New 8,154 $222K
Squarepoint Ops LLC 0.00% New 7,835 $213K
Corebridge Financial, Inc. 0.00% New 7,556 $206K
JPMorgan Chase & Co. 0.00% New 7,295 $199K
New York State Common Retirement Fund 0.00% New 4,800 $131K
SG Americas Securities, LLC 0.00% New 4,647 $126K
Police & Firemen's Retirement System of New Jersey 0.00% New 3,237 $88K
STRS Ohio 0.00% New 2,800 $76K
Tower Research Capital LLC (TRC) 0.00% New 1,573 $43K
Ameritas Investment Partners, Inc. 0.00% New 1,560 $42K
Legal & General Group Plc 0.00% New 1,533 $42K
California State Teachers Retirement System 0.00% New 1,139 $31K
BNP Paribas Financial Markets 0.00% New 800 $22K
Osaic Holdings, Inc. 0.00% New 650 $18K
Amalgamated Bank 0.00% New 532 $14K
Salem Investment Counselors Inc. 0.00% New 200 $5K
SBI Securities Co., Ltd. 0.00% New 152 $4K
Sterling Capital Management LLC 0.00% New 126 $3K
Royal Bank of Canada 0.00% New 71 $2K
Arax Advisory Partners 0.00% New 30 $817
Jones Financial Companies LLLP 0.00% New 25 $700
PNC Financial Services Group, Inc. 0.00% New 17 $463
Nisa Investment Advisors, LLC 0.00% New 9 $245

"% of holder's portfolio" is MTSR's weight in each manager's 13F, not the share of Metsera Inc. the manager owns.