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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.

Q3 2025 vs. Q2 2025

How the institutions holding Metsera, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of MTSR: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders109155+46
Shares61.1M64.8M+3.65M (+6.0%)
Value$1.74B$3.39B+$1.65B (+94.9%)

New holders (69)

Institutions that held Metsera, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to MTSR in Q3 2025
InstitutionSharesValue% of portfolio
HBK Investments L P3,200,000$167.5M2.47%
Hudson Bay Capital Management LP323,836$16.9M0.10%
Glazer Capital, LLC270,662$14.2M0.48%
Wealthspire Advisors, LLC213,085$11.2M0.06%
Alpine Associates Management Inc.195,200$10.2M0.62%
Balyasny Asset Management LLC177,228$9.27M0.02%
ADAR1 Capital Management, LLC152,521$7.98M0.79%
Avidity Partners Management LP140,500$7.35M1.67%
Man Group plc140,000$7.33M0.01%
Millennium Management LLC120,356$6.30M0.00%
Greenwich Wealth Management LLC93,224$4.88M0.24%
SCS Capital Management LLC89,375$4.68M0.05%
Schonfeld Strategic Advisors LLC76,393$4.00M0.03%
Jane Street Group, LLC59,451$3.11M0.00%
TIG Advisors, LLC58,353$3.05M0.19%
Ameriprise Financial Inc47,650$2.49M0.00%
Vestcor Inc40,000$2.09M0.06%
CNH Partners LLC38,959$2.04M0.05%
Lighthouse Investment Partners, LLC36,104$1.89M0.07%
Stifel Financial Corp29,963$1.57M0.00%
First Trust Advisors LP27,691$1.45M0.00%
Virtu Financial LLC25,923$1.36M0.08%
Profund Advisors LLC22,319$1.17M0.04%
Water Island Capital LLC18,730$980.1K0.14%
XTX Topco Ltd18,207$952.8K0.05%
Harvest Management LLC18,000$941.9K0.46%
Quinn Opportunity Partners LLC17,951$939.4K0.07%
Qube Research & Technologies Ltd16,034$839.1K0.00%
Gabelli Funds LLC15,000$785.0K0.01%
ProShare Advisors LLC14,413$754.2K0.00%
CSS LLC13,531$708.1K0.04%
Keebeck Wealth Management, LLC12,262$641.7K0.08%
Dimensional Fund Advisors LP10,770$563.6K0.00%
Quantinno Capital Management LP10,756$562.9K0.00%
Hamilton Lane Advisors LLC9,810$513.4K0.30%
Voya Investment Management LLC9,494$496.8K0.00%
State Board of Administration of Florida Retirement System9,320$487.7K0.00%
Knollwood Investment Advisory, LLC9,227$482.8K0.04%
Fifth Lane Capital, LP8,333$436.1K0.44%
AQR Capital Management LLC6,666$348.8K0.00%
Walleye Capital LLC6,230$326.0K0.00%
Arizona State Retirement System6,205$324.7K0.00%
CIBC Bancorp USA Inc.5,691$297.8K0.00%
SEI Investments Co5,561$291.0K0.00%
Greenland Capital Management LP5,415$283.4K0.04%
Victory Capital Management Inc5,363$280.6K0.00%
Centerpoint Advisors, LLC5,319$278.0K0.09%
Zurcher Kantonalbank (Zurich Cantonalbank)5,300$277.3K0.00%
Teacher Retirement System of Texas5,118$267.8K0.00%
Walleye Trading LLC5,000$261.6K0.00%
Rangeley Capital, LLC5,000$261.6K0.25%
Colony Group, LLC4,905$256.7K0.00%
Universal- Beteiligungs- und Servicegesellschaft mbH4,680$244.9K0.00%
Pathstone Holdings, LLC4,631$242.3K0.00%
Russell Investments Group, Ltd.4,561$238.7K0.00%
Quantbot Technologies LP4,286$224.3K0.01%
Xponance, Inc.4,177$218.6K0.00%
Principal Financial Group Inc3,920$205.1K0.00%
Signaturefd, LLC1,030$53.9K0.00%
Penserra Capital Management LLC959$50.0K0.00%
Caitong International Asset Management Co., Ltd834$43.6K0.03%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.190$10.0K0.00%
Parallel Advisors, LLC153$8.01K0.00%
US Bancorp45$2.35K0.00%
Principal Securities, Inc.26$1.36K0.00%
Allworth Financial LP23$1.20K0.00%
Farther Finance Advisors, LLC12$6280.00%
Scarborough Advisors, LLC10$5230.00%
Sunbelt Securities, Inc.3$1570.00%

Sold out (23)

Institutions that held Metsera, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of MTSR in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
MIC Capital Management UK LLP4,539,540$129.1M
Viking Global Investors LPSuperinvestorViking Global Investors1,616,612$46.0M
Deep Track Capital, LP1,094,408$31.1M
Jennison Associates LLC312,290$8.88M
Massachusetts Financial Services Co253,712$7.22M
Silverarc Capital Management, LLC207,581$5.91M
Logos Global Management LP200,000$5.69M
AXA S.A.114,405$3.25M
Tang Capital Management LLC100,000$2.85M
Ikarian Capital, LLC77,316$2.20M
Alyeska Investment Group, L.P.55,000$1.56M
Sofinnova Investments, Inc.36,191$1.03M
Schroder Investment Management Group25,578$727.7K
Boothbay Fund Management, LLC23,347$664.2K
Squarepoint Ops LLC11,497$327.1K
Atom Investors LP10,250$291.6K
Cantor Fitzgerald, L. P.10,200$290.2K
Bellevue Group AG7,800$221.9K
Wexford Capital LP5,633$160.3K
Salem Investment Counselors Inc250$7.11K
Raymond James Financial Inc187$5.32K
Quarry LP158$4.50K
Comerica Bank5$142