MTSR

Metsera, Inc. Common Stock
MTSR

Overview Fund Activity

79 hedge funds and large institutions have $1.49B invested in Metsera, Inc. Common Stock in 2025 Q1 according to their latest regulatory filings, with 79 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
79
Holders Change
+79
Holders Change %
–
% of All Funds
1.07%
Holding in Top 10
4
Holding in Top 10 Change
+4
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
79
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$413M
2
AI
2
Alphabet Inc
California
$135M
3
MCMU
3
MIC Capital Management (UK)
United Kingdom
$124M
4
VA
4
VR Adviser
New York
$102M
5
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$81.3M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$413M 15,167,808 +15,167,808 New
AI
2
Alphabet Inc
California
$135M 4,961,744 +4,961,744 New
MCMU
3
MIC Capital Management (UK)
United Kingdom
$124M 4,539,540 +4,539,540 New
VA
4
VR Adviser
New York
$102M 3,750,662 +3,750,662 New
Janus Henderson Group
5
Janus Henderson Group
United Kingdom
$81.3M 2,905,462 +2,905,462 New
T. Rowe Price Investment Management
6
T. Rowe Price Investment Management
Maryland
$78.7M 2,893,009 +2,893,009 New
Wellington Management Group
7
Wellington Management Group
Massachusetts
$65.4M 2,401,991 +2,401,991 New
AWG
8
Alpha Wave Global
New York
$64.9M 2,384,050 +2,384,050 New
BlackRock
9
BlackRock
New York
$49.4M 1,814,353 +1,814,353 New
Viking Global Investors
10
Viking Global Investors
Connecticut
$44M 1,616,612 +1,616,612 New
T. Rowe Price Associates
11
T. Rowe Price Associates
Maryland
$42.4M 1,557,487 +1,557,487 New
Vanguard Group
12
Vanguard Group
Pennsylvania
$39.9M 1,467,011 +1,467,011 New
AllianceBernstein
13
AllianceBernstein
Tennessee
$32.7M 1,202,952 +1,202,952 New
PBA
14
Paradigm Biocapital Advisors
New York
$32.4M 1,191,462 +1,191,462 New
DTC
15
Deep Track Capital
Connecticut
$29.8M 1,094,408 +1,094,408 New
RCM
16
RA Capital Management
Massachusetts
$18.4M 675,525 +675,525 New
DM
17
Deerfield Management
New York
$13.6M 500,000 +500,000 New
Massachusetts Financial Services
18
Massachusetts Financial Services
Massachusetts
$13.1M 481,679 +481,679 New
Geode Capital Management
19
Geode Capital Management
Massachusetts
$11.8M 434,647 +434,647 New
CAM
20
Cormorant Asset Management
Massachusetts
$10.9M 400,000 +400,000 New
Jennison Associates
21
Jennison Associates
New York
$9.68M 355,567 +355,567 New
WP
22
Woodline Partners
California
$8.17M 300,217 +300,217 New
American Century Companies
23
American Century Companies
Missouri
$7.79M 286,207 +286,207 New
EAM
24
Eventide Asset Management
Massachusetts
$6.81M 250,000 +250,000 New
State Street
25
State Street
Massachusetts
$6.77M 248,648 +248,648 New
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