Metsera Inc. (MTSR) - 13D/13G Filings

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
Reported
DateTime		Transaction
Date		TypeCompany
Symbol		Filed By
Symbol		Shares Owned
% Owned		Shares Vs. Prev ReportView
2025-11-17
1:59 pm
Sale		2025-11-1313GMetsera, Inc.
MTSR		FMR LLC0
0.000%		-15,167,808decrease
(Position Closed)		Filing
History
2025-11-14
6:22 pm
Sale		2025-11-1313DMetsera, Inc.
MTSR		ARCH Venture Fund XII, L.P.0
0.000%		-26,829,220decrease
(Position Closed)		Filing
History
2025-11-14
10:29 am
Purchase		2025-09-3013GMetsera, Inc.
MTSR		JANUS HENDERSON GROUP PLC
JHG		5,352,751
5.100%		5,352,751increase
(New Position)		Filing
History
2025-11-13
9:43 pm
Unchanged		2025-11-1313GMetsera, Inc.
MTSR		Population Health Partners, L.P.0
0.000%		0
(Unchanged)		Filing
History
2025-10-31
11:05 am
Purchase		2025-09-3013GMetsera, Inc.
MTSR		The Vanguard Group5,824,993
5.530%		5,824,993increase
(New Position)		Filing
History
2025-06-03
4:30 pm
Purchase		2025-03-3113GMetsera, Inc.
MTSR		Validae Health L.P.13,136,644
12.500%		13,136,644increase
(New Position)		Filing
History
2025-05-12
10:36 am
Purchase		2025-03-3113GMetsera, Inc.
MTSR		FMR LLC15,167,808
14.400%		4,109,312increase
(+37.16%)		Filing
History
2025-02-10
9:30 pm
Purchase		2025-02-0313DMetsera, Inc.
MTSR		ARCH Venture Fund XII, L.P.26,829,220
25.500%		26,829,220increase
(New Position)		Filing
History
2025-02-05
11:48 am
Purchase		2025-02-0313GMetsera, Inc.
MTSR		FMR LLC11,058,496
10.500%		11,058,496increase
(New Position)		Filing
History