Onion Foundation

AUBURN, ME EIN: 47-1289795

Financial Overview

From 2024 IRS Form 990-PF

Total Assets

Annual Giving

$4.4M

+31.4% YoY

Grant Count

245

+17.8% YoY

Avg Grant Size

$18K

+11.5% YoY

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Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.120202021202220232024
Metric202420232022
Total Assets
Revenue
Expenses
Qualifying Distributions
Net Investment Income
Distributable Amount

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M234 grants2020246 grants2021252 grants2022208 grants2023245 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Momentum Conservation$625KMaine Association of Non…$88KMaine Environmental Educ…$75KNew Learning Journey$75KMaine Mathematics and Sc…$71KMayo Street Arts$58KMaine Audubon$53KMaine Initiatives$50KSPACE Gallery$43KMaine Lakes$41K

Grant Size Distribution

1,185 grants across all recorded years

1167<$50K13$50–100K3$100–250K1$250–500K1$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Who else does Onion Foundation fund?

Explore the funder–grantee relationships behind this foundation, powered by GrantGraph™ — our database of 11 million+ funding connections.

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Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
Frederick OnionTrustee18
Susan OnionTrustee18
Alene OnionTrustee (start 2024)1

Geographic Focus

Where this funder has awarded grants

Grant Distribution by State

12states
+4 more states

Cities

ActonAlfredAshburnAuburnAugustaBOSTONBangorBar HarborBar MillsBass HarborBathBealsBelfastBelgrade LakesBethelBiddefordBlue HillBoothbayBostonBowdoinham

Data last updated March 2026. Sourced from IRS Form 990-PF filings.

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