- Type / Class
- Equity / Common Stock
- Shares outstanding
- 104,608,032
- Total 13F shares
- 61,110,674
- Share change
- +6,594,628
- Total reported value
- $1,738,613,325
- Put/Call ratio
- 112%
- Price per share
- $28.45
- Number of holders
- 107
- Value change
- +$190,248,205
- Number of buys
- 84
- Number of sells
- 19
Quarterly Holders Quick Answers
What is CUSIP 59267L107?
CUSIP 59267L107 identifies MTSR - METSERA, INC. - Common Stock in SEC institutional holdings data.
Need full ownership history?
Open the full security ownership history page.
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- Latest 13F filings for newly reported positions across managers.
- Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
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Jump to adjacent filing periods for faster comparison and easier crawl discovery.
Recent filing periods for CUSIP 59267L107:
Top shareholders of MTSR - METSERA, INC. - Common Stock (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| FMR LLC |
13F
|
Company |
14%
|
15,167,808
|
$412,867,734 | — | 31 Mar 2025 | |
| Validae Health, L.P. |
13D/G
|
Christopher Whitten Bernard |
12%
|
13,136,644
|
$346,544,669 | $0 | 31 Mar 2025 | |
| Alphabet Inc. |
13F
|
Company |
4.7%
|
4,961,744
|
$135,058,672 | — | 31 Mar 2025 | |
| MIC Capital Management UK LLP |
13F
|
Company |
4.3%
|
4,539,540
|
$123,566,279 | — | 31 Mar 2025 | |
| VR Adviser, LLC |
13F
|
Company |
3.6%
|
3,750,662
|
$102,093,020 | — | 31 Mar 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
2.8%
|
2,905,462
|
$81,337,694 | — | 31 Mar 2025 | |
| T. Rowe Price Investment Management, Inc. |
13F
|
Company |
2.8%
|
2,893,009
|
$78,748,000 | — | 31 Mar 2025 | |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
|
Company |
2.3%
|
2,401,991
|
$65,382,195 | — | 31 Mar 2025 | |
| Alpha Wave Global, LP |
13F
|
Company |
2.3%
|
2,384,050
|
$64,893,841 | — | 31 Mar 2025 | |
| BlackRock, Inc. |
13F
|
Company |
1.7%
|
1,814,353
|
$49,386,688 | — | 31 Mar 2025 | |
| VIKING GLOBAL INVESTORS LP |
13F
|
Company |
1.5%
|
1,616,612
|
$44,004,179 | — | 31 Mar 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
1.5%
|
1,557,487
|
$42,395,000 | — | 31 Mar 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
1.4%
|
1,467,011
|
$39,932,039 | — | 31 Mar 2025 | |
| ALLIANCEBERNSTEIN L.P. |
13F
|
Company |
1.1%
|
1,202,952
|
$32,744,353 | — | 31 Mar 2025 | |
| Paradigm Biocapital Advisors LP |
13F
|
Company |
1.1%
|
1,191,462
|
$32,431,596 | — | 31 Mar 2025 | |
| Deep Track Capital, LP |
13F
|
Company |
1%
|
1,094,408
|
$29,789,786 | — | 31 Mar 2025 | |
| RA CAPITAL MANAGEMENT, L.P. |
13F
|
Company |
0.65%
|
675,525
|
$18,387,791 | — | 31 Mar 2025 | |
| DEERFIELD MANAGEMENT COMPANY, L.P. |
13F
|
Company |
0.48%
|
500,000
|
$13,610,000 | — | 31 Mar 2025 | |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ |
13F
|
Company |
0.46%
|
481,679
|
$13,111,302 | — | 31 Mar 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.42%
|
434,647
|
$11,833,409 | — | 31 Mar 2025 | |
| Cormorant Asset Management, LP |
13F
|
Company |
0.38%
|
400,000
|
$10,888,000 | — | 31 Mar 2025 | |
| JENNISON ASSOCIATES LLC |
13F
|
Company |
0.34%
|
355,567
|
$9,678,533 | — | 31 Mar 2025 | |
| Woodline Partners LP |
13F
|
Company |
0.29%
|
300,217
|
$8,171,907 | — | 31 Mar 2025 | |
| AMERICAN CENTURY COMPANIES INC |
13F
|
Company |
0.27%
|
286,207
|
$7,790,552 | — | 31 Mar 2025 | |
| EVENTIDE ASSET MANAGEMENT, LLC |
13F
|
Company |
0.24%
|
250,000
|
$6,805,000 | — | 31 Mar 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.24%
|
248,648
|
$6,768,199 | — | 31 Mar 2025 | |
| BRAIDWELL LP |
13F
|
Company |
0.17%
|
175,000
|
$4,763,500 | — | 31 Mar 2025 | |
| Ikarian Capital, LLC |
13F
|
Company |
0.14%
|
150,000
|
$4,083,000 | — | 31 Mar 2025 | |
| Siren, L.L.C. |
13F
|
Individual |
0.14%
|
150,000
|
$4,083,000 | — | 31 Mar 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
0.12%
|
125,282
|
$3,410,176 | — | 31 Mar 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.12%
|
122,319
|
$3,329,523 | — | 31 Mar 2025 | |
| SILVERARC CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.11%
|
112,759
|
$3,069,300 | — | 31 Mar 2025 | |
| UBS Group AG |
13F
|
Company |
0.1%
|
105,275
|
$2,865,586 | — | 31 Mar 2025 | |
| TD ASSET MANAGEMENT INC |
13F
|
Company |
0.07%
|
76,824
|
$2,091,149 | — | 31 Mar 2025 | |
| MILLENNIUM MANAGEMENT LLC |
13F
|
Company |
0.07%
|
73,698
|
$2,006,060 | — | 31 Mar 2025 | |
| EcoR1 Capital, LLC |
13F
|
Company |
0.05%
|
50,000
|
$1,361,000 | — | 31 Mar 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
0.05%
|
48,495
|
$1,320,034 | — | 31 Mar 2025 | |
| BOOTHBAY FUND MANAGEMENT, LLC |
13F
|
Company |
0.05%
|
48,105
|
$1,309,418 | — | 31 Mar 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.04%
|
45,468
|
$1,237,639 | — | 31 Mar 2025 | |
| Sofinnova Investments, Inc. |
13F
|
Company |
0.04%
|
36,800
|
$1,001,696 | — | 31 Mar 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
0.03%
|
32,494
|
$884,486 | — | 31 Mar 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.02%
|
21,395
|
$582,370 | — | 31 Mar 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
0.02%
|
20,856
|
$567,700 | — | 31 Mar 2025 | |
| Nuveen, LLC |
13F
|
Company |
0.02%
|
20,317
|
$553,029 | — | 31 Mar 2025 | |
| BARCLAYS PLC |
13F
|
Company |
0.02%
|
19,888
|
$541,351 | — | 31 Mar 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.02%
|
19,112
|
$520,229 | — | 31 Mar 2025 | |
| RHUMBLINE ADVISERS |
13F
|
Company |
0.02%
|
19,105
|
$520,030 | — | 31 Mar 2025 | |
| PRUDENTIAL FINANCIAL INC |
13F
|
Company |
0.01%
|
14,900
|
$405,578 | — | 31 Mar 2025 | |
| DEUTSCHE BANK AG\ |
13F
|
Company |
0.01%
|
13,740
|
$374,003 | — | 31 Mar 2025 | |
| CITIGROUP INC |
13F
|
Company |
0.01%
|
10,851
|
$295,365 | — | 31 Mar 2025 |
Institutional Holders of METSERA, INC. - Common Stock (MTSR) as of Q2 2025
As of 30 Jun 2025,
METSERA, INC. - Common Stock (MTSR) was held by
107 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
61,110,674 shares.
The largest 10 holders included
FMR LLC, Alphabet Inc., SOFTBANK GROUP CORP., MIC Capital Management UK LLP, VR ADVISER, LLC, WELLINGTON MANAGEMENT GROUP LLP, JANUS HENDERSON GROUP PLC, T. Rowe Price Investment Management, Inc., Alpha Wave Global, LP, and VIKING GLOBAL INVESTORS LP.
This page lists
107
institutional shareholders reporting positions in this security
for the Q2 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q2 2025 vs Q1 2025 Across Filers
Q1 2025 holders
79
Q2 2025 holders
107
Holder diff
28
| Investor | Q1 2025 Shares | Q2 2025 Shares | Share Diff | Share Chg % | Q1 2025 Value $ | Q2 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.