Curiosity Foundation Inc

EIN 47-3405081 · MA · NTEE Q40

Invitation only Typical grant ~$100 Funds in MA, CA, CO +6
Save this funder to your list to research later.

Giving Profile

In 2025, Curiosity Foundation Inc based in MA paid 25 grants totaling $32.2K to 25 organizations across 9 states. Individual grants ranged from $20 to $30K, with a median of $100. Its largest recipients included Greentown Labs, Sabal Foundation, and Fertile Edge Land Trust. The foundation does not accept unsolicited applications — giving is by invitation only.

Foundation at a Glance

Total assets
$651,126
Giving (latest yr)
$32,245
Filing year
2025
Itemized grants
25
Median grant
$100
Recipients
25
States reached
9
Officers/trustees
3
Unsolicited applications
No — invitation only

Where the Money Goes

Top recipients

  • Greentown Labs$30,000
  • Sabal Foundation$300
  • Fertile Edge Land Trust$250
  • Heet$250
  • ME Childrens Alliance$250

Where grants went

  • Massachusetts$30,720 · 9 grants
  • California$550 · 2 grants
  • Colorado$300 · 3 grants
  • District of Columbia$225 · 4 grants
  • Nebraska$200 · 1 grant
  • New Jersey$200 · 1 grant

Grants Paid (25)

Greentown Labs
Somerville, MA
Environmental
$30,000
Sabal Foundation
Oakland, CA
Education
$300
Fertile Edge Land Trust
Panonia, CO
Environmental
$250
Heet
Boston, MA
Geothermal energy
$250
ME Childrens Alliance
Berkeley, CA
Peace
$250
Arbor Day Foundation
Lincoln, NE
Environmental
$200
Carbon 180
Newark, NJ
Climate change
$200
Boston Symphony Orchestra
Boston, MA
Artistic
$150
Gaza Soup Kitchen
Washington, DC
Humanitarian
$100
Museum of Science
Boston, MA
Educational
$100
Green Energy Consumers Alliance
Boston, MA
Renewable energy
$100
League of American Bicycllists
Washington, DC
Bicycle safety
$75

Researching funders? Get the full dataset

Every US private foundation by cause and state — giving history, grant sizes, top recipients, and contact details — as a downloadable spreadsheet.

FAQFrequently Asked Questions

No. Curiosity Foundation Inc does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.

Curiosity Foundation Inc is classified as a International & Foreign Affairs funder. International development, relief, and foreign-affairs programs. Its recent grants reached organizations across 9 states.

In its most recent filing, Curiosity Foundation Inc reported 25 itemized grants totaling $32.2K. Individual grants ranged from $20 to $30K (median $100).

Recent recipients include Greentown Labs, Sabal Foundation, Fertile Edge Land Trust, among 25 organizations in total. The full grant list is on this page.

Curiosity Foundation Inc is a private foundation based in Massachusetts, per its IRS 990-PF filing.

More foundations like this

International & Foreign Affairs
Major funder

Rippleworks Inc

California

Assets
$2.5B
Giving / yr
🎁 $153.8M

Funds in CA · MA · WA +12

Invitation only
View funder profile
International & Foreign Affairs
Established

Redhill Foundation-sam and Jean Rothberg Family Charitable Trust

Colorado

Public & Societal BenefitInternational & Foreign AffairsPublic & Societal Benefit
Assets
$27.9M
Giving / yr
🎁 $17.8M

Funds in NY

Invitation only
View funder profile
International & Foreign Affairs
Established

Ploughshares Foundation

Illinois

Human ServicesHuman ServicesEducation
Assets
$80.6M
Giving / yr
🎁 $3.6M

Funds in MA · NY · DC +12

View funder profile
International & Foreign Affairs
Established

Edward & Helen Mardigian Foundation

Michigan

ReligionHuman ServicesEnvironment & Animals
Assets
$41.5M
Giving / yr
🎁 $2.5M

Funds in MI · NY · MA +2

View funder profile
International & Foreign Affairs
Established

Joseph and Elizabeth Wilf Foundation Inc

New Jersey

ReligionInternational & Foreign AffairsReligion
Assets
$56.2M
Giving / yr
🎁 $2.3M

Funds in NY · NJ

Invitation only
View funder profile
International & Foreign Affairs
Emerging

Rowan Foundation

Illinois

Public & Societal BenefitInternational & Foreign AffairsPublic & Societal Benefit
Assets
$24.3M
Giving / yr
🎁 $2M

Funds in NY · CA · CO +2

Invitation only
View funder profile