Bonsen Foundation
EIN 824380106
Possibly inactive.
Last 990-PF filing on record is from 2023
(3 years ago). This foundation may have filed its
final return or ceased operations — verify before investing time in an application.
Total Given 2019–2023
$1.5M
27 grants · $307K avg/year
based on 5 yrs of IRS 990-PF records on file
$100K+/yr
local funder
capacity
$5K
typical small grants · $5K–$5K
grant size
4%
transactional · 1/23 multi-year
repeat
$4.7M
Assets (2023)
23
Distinct Recipients
About
INVESTMENT MANAGEMENT FEES
Focus Areas
Application Information
Accepts Unsolicited Proposals
No — Preselected Only
Contact Person
MASSACHUSETTS INSTITUTE OF TECHNOLO
Phone
(650) 282-5452
Financial Trends
Giving Over Time
Total Assets Over Time
View financial data as table
| Year | Total Giving | Total Assets | Revenue | Grants |
|---|---|---|---|---|
| 2019 | $200K | $5.5M | $783K | 21 |
| 2020 | $260K | $5.4M | $890K | 3 |
| 2021 | $275K | $5.6M | $377K | 1 |
| 2022 | $550K | $5.0M | $84K | 1 |
| 2023 | $250K | $4.7M | $117K | 1 |
Grant Size Distribution
Based on 27 grants on record
Minimum
$5K
25th Pctl
$5K
Median
$5K
Average
$57K
75th Pctl
$5K
Maximum
$550K
Geographic Distribution
Officers & Directors
JB
Joost P Bonsen
President
Leadership
JB
Joost P Bonsen
President
Leadership
JB
Janny T Bonsen
Director
JB
Janny T Bonsen
President
Leadership
JB
Joost P Bonsen
Secretary
Leadership
JB
Janny Bonsen
President
Leadership
JB
Joost Paul Bonsen
Secretary
Leadership
JB
Janny Bonsen
President
Leadership
JB
Joost Paul Bonsen
Secretary
Leadership
Grants Awarded (27 total)
| Purpose | ||||
|---|---|---|---|---|
| Massachusetts Institute of Technolo | Cambridge, MA | $550,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2022 |
| Massachusetts Institute of Technolo | Cambridge, MA | $275,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2021 |
| Massachusetts Institute of Technolo | Cambridge, MA | $250,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2020 |
| Massachusetts Institute of Technolo | Cambridge, MA | $250,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2023 |
| Massachusetts Institute of Technolo | Cambridge, MA | $100,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| King Baudouin Foundation Us Inc | New York, NY | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2020 |
| Jeeon Llc | Dhaka, None | $5,000 | TO SUPPORT ACCESS TO AFFORDABLE HEALTHCARE | 2020 |
| Educate Lanka Foundation Inc | Gaithersburg, MD | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Liter of Light Usa Inc | Maywood, NJ | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Saha Global | Boston, MA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Sudu Salone | Hillsboro, OR | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Seeding Labs | Boston, MA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Internet Archive | San Francisco, CA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Project Gutenberg Literary | Salt Lake City, UT | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Emw Community Space Inc | Cambridge, MA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Digital Medicine Society | Boston, MA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Sanergy | Atlanta, GA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Selco Foundation | J P Nagar, None | $5,000 | TO SUPPORT IMPROVING ACCESS TO SUSTAINABLE ENERGY | 2019 |
| Artisan'S Asylum | Somerville, MA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Reporters Without Borders | Washington, DC | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Pro Publica Inc | New York, NY | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Icij Inc | Washington, DC | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Theguardianorg | Washington, DC | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| Reason Foudation | Los Angeles, CA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |
| The Wikimedia Foundation | San Francisco, CA | $5,000 | TO FURTHER DONEE ORGANIZATION'S EXEMPT PURPOSE | 2019 |