Metsera, Inc.
MTSRDelisted Nov 13, 2025- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0002040807
Metsera, Inc. was delisted on Nov 13, 2025; its insiders filed their last Form 4 on Nov 17, 2025; 155 institutions reported holding it in 13F filings for Q3 2025, worth $3.39B in total; no superinvestor held it.
13F holders, Q3 2025
Institutional positions in Metsera, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
MTSR is no longer listed, so this page shows Q3 2025. 13F filings for later quarters list far fewer holders.
- Institutional holders
- 155
- +46 vs. Q2 2025
- Shares held
- 64.8M
- +3.65M (+6.0%) vs. Q2 2025
- Total value
- $3.39B
- +$1.65B (+94.9%) vs. Q2 2025
- New holders
- 69
- 45 more added
- Sold out
- 23
- 20 more reduced
Compare with Q2 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MTSR on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 1 | $564 |
| Q3 2025 | 155 | $3.39B |
| Q2 2025 | 109 | $1.74B |
| Q1 2025 | 80 | $1.49B |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Metsera, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Alps Advisors Inc | 49,943 | $2.61M | 0.01% | −6,723−11.9% | Reduced |
| Alliancebernstein L.P. | 53,603 | $2.81M | 0.00% | −1,367,756−96.2% | Reduced |
| Citigroup Inc | 54,241 | $2.84M | 0.00% | +43,287+395.2% | Added |
| Price T Rowe Associates Inc | 54,328 | $2.84M | 0.00% | −1,314,245−96.0% | Reduced |
| TIG Advisors, LLC | 58,353 | $3.05M | 0.19% | +58,353 | New |
| Wells Fargo & Company | 59,071 | $3.09M | 0.00% | +42,039+246.8% | Added |
| Jane Street Group, LLC | 59,451 | $3.11M | 0.00% | +59,451 | New |
| TD Asset Management Inc | 67,732 | $3.54M | 0.00% | +30,900+83.9% | Added |
| Verition Fund Management LLC | 70,928 | $3.71M | 0.02% | +59,272+508.5% | Added |
| Rhumbline Advisers | 73,144 | $3.83M | 0.00% | +47,564+185.9% | Added |
| Schonfeld Strategic Advisors LLC | 76,393 | $4.00M | 0.03% | +76,393 | New |
| SCS Capital Management LLC | 89,375 | $4.68M | 0.05% | +89,375 | New |
| Morgan Stanley | 92,938 | $4.86M | 0.00% | +29,132+45.7% | Added |
| Greenwich Wealth Management LLC | 93,224 | $4.88M | 0.24% | +93,224 | New |
| Royce & Associates LP | 102,300 | $5.35M | 0.05% | −228,980−69.1% | Reduced |
| Rafferty Asset Management, LLC | 103,465 | $5.41M | 0.02% | +84,173+436.3% | Added |
| Ensign Peak Advisors, Inc | 107,318 | $5.62M | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 120,356 | $6.30M | 0.00% | +120,356 | New |
| Nuveen, LLC | 126,111 | $6.60M | 0.00% | +88,649+236.6% | Added |
| Man Group plc | 140,000 | $7.33M | 0.01% | +140,000 | New |
| Avidity Partners Management LP | 140,500 | $7.35M | 1.67% | +140,500 | New |
| UBS Group AG | 140,923 | $7.37M | 0.00% | +94,655+204.6% | Added |
| ADAR1 Capital Management, LLC | 152,521 | $7.98M | 0.79% | +152,521 | New |
| Bank of New York Mellon Corp | 163,726 | $8.57M | 0.00% | +124,205+314.3% | Added |
| Susquehanna International Group, LLP | 168,477 | $8.82M | 0.01% | +147,189+691.4% | Added |
| Goldman Sachs Group Inc | 176,847 | $9.25M | 0.00% | +137,897+354.0% | Added |
| Balyasny Asset Management LLC | 177,228 | $9.27M | 0.02% | +177,228 | New |
| Alpine Associates Management Inc. | 195,200 | $10.2M | 0.62% | +195,200 | New |
| Wealthspire Advisors, LLC | 213,085 | $11.2M | 0.06% | +213,085 | New |
| Barclays PLC | 221,064 | $11.6M | 0.00% | +164,973+294.1% | Added |
| Glazer Capital, LLC | 270,662 | $14.2M | 0.48% | +270,662 | New |
| EcoR1 Capital, LLC | 271,529 | $14.2M | 0.68% | 00.0% | Unchanged |
| American Century Companies Inc | 286,448 | $15.0M | 0.01% | −1,226−0.4% | Reduced |
| Hudson Bay Capital Management LP | 323,836 | $16.9M | 0.10% | +323,836 | New |
| JPMorgan Chase & Co | 325,178 | $17.0M | 0.00% | +309,753+2,008.1% | Added |
| Eventide Asset Management, LLC | 396,160 | $20.7M | 0.34% | 00.0% | Unchanged |
| Cormorant Asset Management, LP | 400,000 | $20.9M | 1.44% | 00.0% | Unchanged |
| Woodline Partners LP | 400,785 | $21.0M | 0.10% | 00.0% | Unchanged |
| Northern Trust Corp | 437,839 | $22.9M | 0.00% | +302,091+222.5% | Added |
| Bank of America Corp | 455,605 | $23.8M | 0.00% | +404,928+799.0% | Added |
| Charles Schwab Investment Management Inc | 511,465 | $26.8M | 0.00% | +375,059+275.0% | Added |
| Ra Capital Management, L.P. | 675,525 | $35.4M | 0.44% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,403,002 | $73.4M | 0.00% | +936,047+200.5% | Added |
| T. Rowe Price Investment Management, Inc. | 2,327,354 | $121.8M | 0.07% | −677,499−22.5% | Reduced |
| Falcon Edge Capital, LP | 2,384,050 | $124.8M | 12.64% | 00.0% | Unchanged |
| State Street Corp | 2,511,076 | $131.4M | 0.00% | +1,910,873+318.4% | Added |
| HBK Investments L P | 3,200,000 | $167.5M | 2.47% | +3,200,000 | New |
| Softbank Group Corp | 3,654,691 | $191.2M | 0.74% | −1,165,193−24.2% | Reduced |
| Wellington Management Group LLP | 3,659,465 | $191.5M | 0.03% | +232,033+6.8% | Added |
| VR Adviser, LLC | 3,750,662 | $196.3M | 11.05% | 00.0% | Unchanged |
| Alphabet Inc. | 3,783,528 | $198.0M | 8.22% | −1,178,216−23.7% | Reduced |
| BlackRock, Inc. | 3,835,309 | $200.7M | 0.00% | +2,598,184+210.0% | Added |
| Janus Henderson Group PLC | 5,352,751 | $280.1M | 0.13% | +1,964,788+58.0% | Added |
| Vanguard Group Inc | 5,824,993 | $304.8M | 0.00% | +4,333,514+290.6% | Added |
| FMR LLC | 13,891,986 | $727.0M | 0.04% | −1,866,344−11.8% | Reduced |
| MIC Capital Management UK LLP | 0 | $0 | 0.00% | −4,539,540−100.0% | Sold out |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −1,616,612−100.0% | Sold out |
| Deep Track Capital, LP | 0 | $0 | 0.00% | −1,094,408−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −312,290−100.0% | Sold out |
| Massachusetts Financial Services Co | 0 | $0 | 0.00% | −253,712−100.0% | Sold out |
| Silverarc Capital Management, LLC | 0 | $0 | 0.00% | −207,581−100.0% | Sold out |
| Logos Global Management LP | 0 | $0 | 0.00% | −200,000−100.0% | Sold out |
| AXA S.A. | 0 | $0 | 0.00% | −114,405−100.0% | Sold out |
| Tang Capital Management LLC | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Ikarian Capital, LLC | 0 | $0 | 0.00% | −77,316−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −55,000−100.0% | Sold out |
| Sofinnova Investments, Inc. | 0 | $0 | 0.00% | −36,191−100.0% | Sold out |
| Schroder Investment Management Group | 0 | $0 | 0.00% | −25,578−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −23,347−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −11,497−100.0% | Sold out |
| Atom Investors LP | 0 | $0 | 0.00% | −10,250−100.0% | Sold out |
| Cantor Fitzgerald, L. P. | 0 | $0 | 0.00% | −10,200−100.0% | Sold out |
| Bellevue Group AG | 0 | $0 | 0.00% | −7,800−100.0% | Sold out |
| Wexford Capital LP | 0 | $0 | 0.00% | −5,633−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −250−100.0% | Sold out |
| Raymond James Financial Inc | 0 | $0 | 0.00% | −187−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −158−100.0% | Sold out |
| Comerica Bank | 0 | $0 | 0.00% | −5−100.0% | Sold out |