John Maraganore
Net worth: 1 M $ as of 30/05/2026
Net worth: 1 M $ as of 30/05/2026
John M. Maraganore is a businessperson who has been the head of 5 different companies. Dr. Maraganore occupies the position of Chief Executive Officer & Director at Alnylam Pharmaceuticals, Inc. He is also on the board of Biotechnology Innovation Organization (former Chairman), Agios Pharmaceuticals, Inc. (former Chairman) and Tempero Pharmaceuticals, Inc. In his past career he held the position of Director at MacroGenics, Inc., Director at Regulus Therapeutics, Inc., Director-Market & Business Development at Biogen, Inc. Director-Market & Business Development at Biogen MA, Inc. and Director-Molecular Biology & Business Development at Biogen Idec, Inc. (North Carolina) (both are subsidiaries of Biogen, Inc.), Strategic Advisor at Longwood Fund Management LLC, Scientist at The Upjohn Co., Senior VP-Strategic Product Development at Millennium Pharmaceuticals, Inc., Scientist at ZymoGenetics, Inc. and Venture Partner at Third Rock Ventures GP LP. Dr. Maraganore received a doctorate, a graduate degree and an undergraduate degree from The University of Chicago.
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 03/05/2026 | 35,948 ( 0.08% ) | 1 M $ | 30/05/2026 | |
| 17/03/2026 | 7,600 ( 0% ) | 244 342 $ | 30/05/2026 | |
| 02/06/2026 | 0 ( -.--% ) | - $ | 30/05/2026 | |
Prokidney Equity LLC
Prokidney Equity LLC Medical/Nursing ServicesHealth Services Operates as a kidney centre -.--% | 10/07/2022 | 614,013 ( -.--% ) | - $ | Today |
| 30/03/2026 | 0 ( -.--% ) | - $ | 30/05/2026 | |
| 13/04/2026 | 0 ( -.--% ) | - $ | 30/05/2026 |
| Companies | Position | Start |
|---|---|---|
| KYMERA THERAPEUTICS, INC. | Director/Board Member | 31/12/2021 |
| BEAM THERAPEUTICS INC. | Director/Board Member | 04/11/2021 |
| BLACKSTONE INC. | Consultant / Advisor | 31/01/2022 |
| RAPPORT THERAPEUTICS, INC. | Director/Board Member | 29/02/2024 |
| HEMAB THERAPEUTICS HOLDINGS, INC. | Chairman | 31/12/2021 |
| TAKEDA PHARMACEUTICAL COMPANY LIMITED | Director/Board Member | 31/05/2022 |
Atlas Venture Advisors, Inc.
Atlas Venture Advisors, Inc. Investment ManagersFinance Atlas Venture Advisors invests in companies located in the United States. The firm focuses on life sciences and biotech sectors. It provides financing for early stage capital requirements. | Consultant / Advisor | 31/12/2021 |
Transcend Therapeutics
Transcend Therapeutics Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage, neuroscience-focused company that develops rapid-acting treatments for neuropsychiatric diseases | Director/Board Member | - |
Omega Fund Management LLC
Omega Fund Management LLC Investment ManagersFinance Omega Fund Management invests in private and public companies located in the US and Europe. The firm focuses on sectors such as biotechnology, life sciences, healthcare and medical devices. It provides financing for seed, early, mid and later stage capital requirements. It makes direct secondary investments along with follow-on investments. | Consultant / Advisor | 31/08/2022 |
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Active
Inactive
Listed companies
Private companies
1st degree connections
1st degree companies
Male
Female
Members of the board
Executives
| Private companies | 39 |
|---|---|
Biogen MA, Inc.
Biogen MA, Inc. BiotechnologyHealth Technology Develops and manufactures drugs related to immunology, neurobiology and oncology | Health Technology |
The Upjohn Co.
The Upjohn Co. Pharmaceuticals: MajorHealth Technology Manufacturer of pharmaceuticals | Health Technology |
Millennium Pharmaceuticals, Inc.
Millennium Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Manufactures medicines for oncology treatment | Health Technology |
Biogen, Inc.
Biogen, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and markets therapies for neurological and neurodegenerative diseases | Health Technology |
ZymoGenetics, Inc.
ZymoGenetics, Inc. Pharmaceuticals: MajorHealth Technology Develops protein based drugs | Health Technology |
ARCH Venture Partners LLC
ARCH Venture Partners LLC Investment ManagersFinance ARCH Venture Partners invests in disruptive science companies located in the United States. The firm target companies operating in the fields of biotechnology and technology sectors. It provides financing for early stage capital requirements with a minimum investment size of $0.05 million and also makes co-investments. | Finance |
Taligen Therapeutics, Inc.
Taligen Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Manufactures and develops inflammatory disease pharamaceutical products | Health Technology |
Biotechnology Innovation Organization
Biotechnology Innovation Organization Miscellaneous Commercial ServicesCommercial Services Operates as a biotechnology advocacy organization representing biotech companies, industry leaders and state biotech associations | Commercial Services |
Aitia, Inc.
Aitia, Inc. Miscellaneous Commercial ServicesCommercial Services Provides analytics solutions for the healthcare industry | Commercial Services |
Agios Pharmaceuticals, Inc.
Agios Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Discovers and develops therapeutics | Health Technology |
Takeda Pharmaceutical Co., Ltd.
Takeda Pharmaceutical Co., Ltd. Pharmaceuticals: MajorHealth Technology Engages in the research, development, manufacturing and marketing of pharmaceutical products | Health Technology |
MacroGenics, Inc.
MacroGenics, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes antibody-based therapeutics for the treatment of cancer | Health Technology |
bluebird bio, Inc.
bluebird bio, Inc. BiotechnologyHealth Technology Develops next generation products based on the transformative potential of gene therapy | Health Technology |
Atlas Venture Advisors, Inc.
Atlas Venture Advisors, Inc. Investment ManagersFinance Atlas Venture Advisors invests in companies located in the United States. The firm focuses on life sciences and biotech sectors. It provides financing for early stage capital requirements. | Finance |
Alnylam Pharmaceuticals, Inc.
Alnylam Pharmaceuticals, Inc. Pharmaceuticals: MajorHealth Technology Develops and commercializes therapeutics based on RNA interference | Health Technology |
The University of Chicago
The University of Chicago Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Biogen Idec, Inc. (North Carolina)
Biogen Idec, Inc. (North Carolina) Pharmaceuticals: MajorHealth Technology Develops pharmaceutical products | Health Technology |
Blackstone, Inc.
Blackstone, Inc. Investment ManagersFinance Provides investment and fund management services | Finance |
Third Rock Ventures GP LP | |
Regulus Therapeutics, Inc.
Regulus Therapeutics, Inc. Pharmaceuticals: MajorHealth Technology Operates as a biopharmaceutical company that engages in discovering and developing of drugs | Health Technology |
Molecular Biology Resources, Inc.
Molecular Biology Resources, Inc. Chemicals: Major DiversifiedProcess Industries Manufactures bio-chemicals | Process Industries |
Longwood Fund Management LLC
Longwood Fund Management LLC Investment ManagersFinance Longwood Fund invests in companies located in the United States. The firm focuses on the healthcare sector. It participates in early stage capital transactions. | Finance |
Omega Fund Management LLC
Omega Fund Management LLC Investment ManagersFinance Omega Fund Management invests in private and public companies located in the US and Europe. The firm focuses on sectors such as biotechnology, life sciences, healthcare and medical devices. It provides financing for seed, early, mid and later stage capital requirements. It makes direct secondary investments along with follow-on investments. | Finance |
Entree Capital
Entree Capital Investment ManagersFinance Entree Capital invests in companies located across the globe, primarily in Israel. The firm targets companies operating in the fields of SaaS, data, fintech, security, productivity and consumer. It provide financing for pre-seed, seed, early, later and buyout stage companies with an investment size of USD 0.25 - 3 million and also makes follow-on investments. | Finance |
Tempero Pharmaceuticals, Inc.
Tempero Pharmaceuticals, Inc. Miscellaneous Commercial ServicesCommercial Services Develop next-generation therapies that selectively suppress Th17-cells and enhance specialized Treg cells | Commercial Services |
Kymera Therapeutics, Inc.
Kymera Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops immunology medicines for health problems | Health Technology |
Beam Therapeutics, Inc.
Beam Therapeutics, Inc. BiotechnologyHealth Technology Operate as a biotechnology company that develops precision genetic medicines, gene editing and delivery technologies | Health Technology |
Ariadne Labs
Ariadne Labs Hospital/Nursing ManagementHealth Services Provides hospital and healthcare services | Health Services |
Hemab ApS
Hemab ApS BiotechnologyHealth Technology Develops antibodies for the treatment of rare bleeding disorders | Health Technology |
Termeer Foundation
Termeer Foundation Movies/EntertainmentConsumer Services The Termeer Foundation is a nonprofit organization dedicated to empowering life science innovators and leaders to accelerate the development of patient-centered healthcare solutions. The private company is based in Boston. It offers leadership programs, including the Termeer Fellows Program, which supports first-time CEOs of early-stage or nonprofit biotech organizations through mentorship, executive coaching, and networking. The foundation fosters a diverse and inclusive community of entrepreneurs, academics, and students, and maintains a network of mentors, advisors, and alumni to strengthen collaboration and innovation. The American company was founded by Alan E. Walts. | Consumer Services |
Versanis Bio, Inc.
Versanis Bio, Inc. BiotechnologyHealth Technology Operates as a clinical-stage biopharmaceutical company | Health Technology |
Nucleate Bio, Inc. | |
Mahzi Therapeutics, Inc.
Mahzi Therapeutics, Inc. BiotechnologyHealth Technology Provides healthcare and biotechnology services | Health Technology |
Aerium Therapeutics, Inc.
Aerium Therapeutics, Inc. Miscellaneous Commercial ServicesCommercial Services Engages in discovery & development of antibodies and small molecule antivirals against SARS-CoV-2 and other epidemic & pandemic threats | Commercial Services |
ProKidney Corp.
ProKidney Corp. BiotechnologyHealth Technology Operates as a clinical-stage biotechnology company | Health Technology |
Orbital Therapeutics, Inc.
Orbital Therapeutics, Inc. BiotechnologyHealth Technology Operates as a biotechnology company that develops RNA-based medicines | Health Technology |
Transcend Therapeutics
Transcend Therapeutics Pharmaceuticals: MajorHealth Technology Operates as a clinical-stage, neuroscience-focused company that develops rapid-acting treatments for neuropsychiatric diseases | Health Technology |
Rapport Therapeutics, Inc.
Rapport Therapeutics, Inc. BiotechnologyHealth Technology Operates as an clinical-stage biotechnology company that engages in discovery and development of medicines for neurological disorder | Health Technology |
HEMAB THERAPEUTICS INC.
HEMAB THERAPEUTICS INC. BiotechnologyHealth Technology Engages in research and development of prophylactic therapeutics for bleeding disorders | Health Technology |
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