F Felix Foundation
F Felix Foundation is a private foundation, based in Providence, RI. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $3.8M in total assets. In 2025, it awarded 6 grants totaling $120K. Net investment income was $237K.
F Felix Foundation at a glance
In short: F Felix Foundation gave $120K across 6 grants in 2025 (avg $20K), top state District of Columbia. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $120,000
- -7.0% vs 2024
- Grants made (2025)
- 6
- +0.0% vs 2024
- Average grant
- $20,000
- -7.0% vs 2024
- Median grant
- $22,500
- Total assets
- $3,758,147
- +2.8% vs 2024
- Primary geography
- District of Columbia (33% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who F Felix Foundation funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was Mighty Earth Inc ($25K). Together the top 6 received $120K.
Grant Size Distribution
37 grants across all recorded years
The most common grant size was under $50K: 36 grants of 37 (97%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
States
Cities
How F Felix Foundation gives
- Giving held roughly steady from 2022 to 2025 (−3%). Method
- In 2025 it paid out 98% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $111K (2019) to $158K (2020). In 2025 it made 6 grants totaling $120K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Mighty Earth Inc Washington, DC | Charitable Donation | $25,000 |
| Pricing Carbon Initiative Inc South Lee, MA | Charitable Donation | $25,000 |
| Spring Street Climate Fund Brooklyn, NY | Charitable Donation | $25,000 |
| Five Oaks Ag Research and Education Center Humphrey, AR | Charitable Donation | $20,000 |
| Foundation Earth Washington, DC | Charitable Donation | $15,000 |
| Youth for Environmental Sanity Berkeley, CA | Charitable Donation | $10,000 |
Ready to take the next step with F Felix Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $3,758,147 | $259,236 | $219,512 | $120,000 | 6 | $171,737 | $236,870 | $174,899 |
| 2024 | $3,656,048 | $289,406 | $235,667 | $129,000 | 6 | $193,708 | $267,510 | $168,324 |
| 2023 | $3,238,368 | $97,353 | $211,987 | $115,000 | 5 | $180,117 | $76,583 | $157,356 |
| 2022 | $3,026,848 | $151,357 | $220,542 | $124,200 | 13 | $190,200 | $129,578 | $159,688 |
| 2021 | $3,531,070 | $34,448 | $264,243 | $154,400 | 7 | — | $28,537 | $172,643 |
| 2020 | $3,495,916 | $46,112 | $260,976 | $157,900 | 10 | — | $43,121 | $171,201 |
| 2019 | $3,473,915 | $36,934 | $212,195 | $111,200 | 10 | — | $60,165 | $174,827 |
Under IRS private-foundation payout rules, F Felix Foundation reported a distributable amount of $175K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
F Felix Foundation is led by Jesse Mazer, President since 2022 (on filings since 2021); 1 of 3 officers listed in 2025 is compensated.
Officers on the 2025 filing
Jesse Mazer
President
Vice President → President, 2022
On filings since 2021
15 hrs/week
$4K (2021) → $48K (2025)
Magdalena Mazer
Director
Treasurer & Secretary → Director, 2023
On filings since 2019
0.5 hrs/week
$16K (2019) → $0 (2025)
Alma Colburn
Director
On filings since 2023
0.5 hrs/week
No compensation reported
Former officers (1)
- Former: Robert Mazer (2019–2022) — Prior President & Director
Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $48K, to Jesse Mazer (President).
Frequently asked questions about F Felix Foundation
How much does F Felix Foundation give each year?
F Felix Foundation gave $120K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $129K across 6 grants.
What is F Felix Foundation's typical grant size?
F Felix Foundation's median grant in 2025 was $22,500, and its average grant was $20,000, across 6 grants on its 2025 IRS Form 990-PF.
Where does F Felix Foundation give grants?
F Felix Foundation's top state is District of Columbia, with 33% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Massachusetts (21%) and New York (21%). The most frequent recipient cities were Washington, DC (2 grants).
Does F Felix Foundation give general operating support?
Not in 2025: none of the 6 grants with a stated purpose on F Felix Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable Donation" (6 grants).
Who are F Felix Foundation's largest grantees?
F Felix Foundation's largest 2025 grantees include Mighty Earth Inc ($25,000), Pricing Carbon Initiative Inc ($25,000) and Spring Street Climate Fund ($25,000), according to its 2025 IRS Form 990-PF. Together they received 63% of its itemized 2025 grant dollars.
How large is F Felix Foundation?
F Felix Foundation reported $3.8M in total assets on its 2025 IRS Form 990-PF. It paid out $172K in qualifying distributions that year, against a required minimum of $175K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What is F Felix Foundation's EIN?
F Felix Foundation's EIN (Employer Identification Number) is 04-3464255. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(8)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2019 (received by the IRS January 23, 2020)
- Updated Form 990-PF for fiscal year 2020 (received by the IRS March 1, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS February 9, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 2, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS February 14, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS January 29, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 6, 2026)
- IRS filings on file for fiscal years 2019–2025
Live grants for the work F Felix Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in F Felix Foundation's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Synchrony Foundation
Stamford, CT
In 2024, Synchrony Foundation supported charitable organizations across workforce development, education, financial assistance, and giving, with grants ranging from $150 to $2.6 million and a median of $10,000. Its largest shares of grant funding went to Connecticut, New York, and South Carolina, followed by the District of Columbia and New Jersey; it does not accept unsolicited requests and funds preselected organizations only.
Assets
$71.5M
Grants
374
Total Given
$21.5M
Community Foundation of Western Massachusetts
Springfield, MA
The Community Foundation of Western Massachusetts funds nonprofits and students through grants and scholarships, with priorities including organizations led by people of color, early education, post-secondary pathways, and arts and creativity. Its 2025 grants had a median award of $25,000 and supported work benefiting residents of Franklin, Hampshire, and Hampden counties; the profile does not state whether it accepts unsolicited requests.
Assets
$292.1M
Grants
392
Total Given
$22.4M
RSF Social Finance Inc
San Francisco, CA
RSF Social Finance funds organizations and projects advancing social and environmental change, especially in food and agriculture, climate and energy, education, and community impact. Its 2024 grants had a median of $25,000, with awards ranging from $5,250 to $5.52 million; recipients were primarily in California, Maryland, New York, Georgia, and Pennsylvania. The profile does not state whether RSF accepts unsolicited requests.
Assets
$108.4M
Grants
457
Total Given
$48.2M
Community Foundation Santa Cruz County
Aptos, CA
Community Foundation Santa Cruz County funds nonprofits and public agencies across arts and culture, community development, education, the environment, health, and human services, with a strong focus on Santa Cruz County but grants also going beyond it. Its 2024 grants had a median award of $20,000, though amounts varied widely. For Community Grants, requests are invited where funding is available; organizations without an invitation are encouraged to contact the foundation.
Assets
$252.5M
Grants
303
Total Given
$20.7M
Select Equity Group Foundation
New York, NY
The foundation supports charitable organizations in advocacy and civil rights, arts and culture, education and youth development, the environment, health, human services, and international development, locally, nationally, and internationally. In 2025, grants ranged from $30 to $500,000, with a median of $1,500. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$44.7M
Grants
854
Total Given
$7.3M
Silicon Valley Community Foundation
Mountain View, CA
Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.
Assets
$12.3B
Grants
3,576
Total Given
$3.2B
More similar funders
More Funders in Rhode Island
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from F Felix Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
F Felix Foundation down — hundreds of funders to go?