This is an entry on a government list of organisations recognised as exempt from income tax, not a company register filing.
Listed address
02472-2988 WATERTOWN
MA
United States
Exemption details
- Assets
- USD 49,456,845
- Income
- USD 25,359,800
- Revenue
- USD 25,359,800
- Register
- IRS Exempt Organizations Business Master File
- Exemption
- 501(c)(3)
- NTEE code
- H30
- Foundation status
- Hospital or medical research organization
- IRS ruling date
- 2005-06
- Activity codes
- 000000000
- Foundation code
- 12
- IRS subsection code
- 03
- Affiliation code
- 3
- Accounting period ends (month)
- 12
- Deductibility code
- 1
- Classification codes
- 8200
- Filing requirement code
- 01
- Tax period of the latest return
- 2025-12
- Exempt organisation status code
- 01
- Private foundation filing requirement code
- 0
Not supplied by the register: Group exemption number.
US Department of Labor Form 5500
Filed employee benefit plans linked by the sponsor’s EIN. Participants are not company headcount. One employer can sponsor several plans; figures must not be summed across them. Each dataset is matched to this company by the registered number its publisher gives, never by name.
-
Benefit plan 001
- Plan number
- 001
- Plan year starts
- 1 Jan 2025
- Plan year ends
- 31 Dec 2025
- Received
- 8 Jun 2026
- Participants at start of year
- 145
- Active plan participants
- 109
- Amended filing
- No
-
Benefit plan 535
- Plan number
- 535
- Plan year starts
- 1 Aug 2024
- Plan year ends
- 31 Jul 2025
- Received
- 27 Feb 2026
- Participants at start of year
- 113
- Active plan participants
- 122
- Amended filing
- No
-
Benefit plan 001
- Plan number
- 001
- Plan year starts
- 1 Jan 2024
- Plan year ends
- 31 Dec 2024
- Received
- 25 Jun 2025
- Participants at start of year
- 146
- Active plan participants
- 112
- Amended filing
- No
-
Benefit plan 001
- Plan number
- 001
- Plan year starts
- 1 Jan 2023
- Plan year ends
- 31 Dec 2023
- Received
- 6 Sep 2024
- Participants at start of year
- 143
- Active plan participants
- 115
- Amended filing
- No
-
Benefit plan 535
- Plan number
- 535
- Plan year starts
- 1 Jan 2023
- Plan year ends
- 31 Dec 2023
- Received
- 9 Oct 2024
- Participants at start of year
- 102
- Active plan participants
- 113
- Amended filing
- No
US Department of Labor Form 5500 · Linked dataset
Source: US Department of Labor Form 5500; edition 2026-11-12. Filtered and reformatted by CorporateDB.
- Changes
- Data filtered and reformatted by CorporateDB.
History
Versions of this record since CorporateDB began collecting it.
- 9 Nov 2026Version 1
ADDGENE INC · Recognised as tax-exempt
Source and reuse
Internal Revenue Service, Exempt Organizations Business Master File
Source: Internal Revenue Service, Exempt Organizations Business Master File Extract (EO BMF); filtered and reformatted by CorporateDB.
- Changes
- Data filtered and reformatted by CorporateDB.