Every new Connecticut business filing, every dayInvivyd
Tamsin Berry, Principal
Invivyd is a biotechnology company based in New Haven, CT, focused on developing antibody-based therapies to address evolving viral threats. The company's website describes its mission to rapidly and continually deliver therapies that keep pace with viral evolution. The site lists officers including Tamsin Berry, Terrance McGuire, Jill Andersen, and Paul B. Bolno, M.D., matching the LLC filing's principals. Contact information includes a phone number and email addresses for medical information and general inquiries.
Filed June 3, 2025 · New Haven, CT · New Haven County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3223715 · Retrieved July 25, 2026
About Invivyd
Invivyd, Inc. filed in Connecticut on June 3, 2025, with a principal address in New Haven. The company lists eight principals, including Tamsin Berry, Ajay Royan, and Paul B. Bolno, M.D. The domain was registered three years before filing, through GoDaddy, and its website matches the filing name and address. No annual report or EIN on file yet. We estimate revenue between $10 million and $50 million and over 100 employees, with a brick-and-mortar footprint. The website is modern.
- Domain registered three years before filing, on August 5, 2022.
- Eight principals listed, including Tamsin Berry and Paul B. Bolno, M.D.
- We estimate revenue between $10 million and $50 million and over 100 employees.
- Website identity confirmed to match the filing name and address.
- Brick-and-mortar footprint.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 121 new businesses registered in New Haven in June 2025, and the only biotechnology business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Officers / Authorized Persons
Frequently Asked Questions
When was Invivyd registered?
Invivyd was registered as Corp on June 3, 2025 in Connecticut.
Where is Invivyd located?
Invivyd is based in New Haven, CT, 06510, in New Haven County.
What type of business is Invivyd?
Invivyd is classified as a biotechnology business (antibody-based therapies).
Does Invivyd have an EIN on file?
No EIN was found on file for Invivyd at the time of registration.
Who Sells to This Business
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