METSERA INC

Historical 13F Holders

Symbol
MTSR
CUSIP
59267L107
All holders as of
Q4 2025
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 59267L107 since 12/18/2024, newest first.

Filer % of Class Filed
Janus Henderson Group PLC 13G/A Amendment 1 3.1% 2/17/2026
Event 12/31/2025
FMR LLC 13G/A Amendment 2
0% 11/17/2025
Event 11/13/2025
Janus Henderson Group PLC 13G 5.1% 11/14/2025
Event 9/30/2025
ARCH Venture Fund XII, L.P. 13D/A Amendment 1
0% 11/14/2025
Event 11/13/2025
Population Health Partners GP, LLC 13G/A Amendment 1
0% 11/13/2025
Event 11/13/2025
Vanguard Group Inc 13G 5.5% 10/31/2025
Event 9/30/2025
Validae Health, L.P. 13G
12.5% 6/3/2025
Event 3/31/2025
FMR LLC 13G/A Amendment 1
14.4% 5/12/2025
Event 3/31/2025
ARCH Venture Fund XII, L.P. 13D
25.5% 2/10/2025
Event 2/3/2025
FMR LLC 13G
10.5% 2/5/2025
Event 2/3/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2025 Q4 1 8.00 $564.00
2025 Q3 169 65.1 M $3.41 B
2025 Q2 115 61.1 M $1.74 B
2025 Q1 81 54.6 M $1.49 B