The 300 Foundation
The 300 Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $784K in total assets. In 2024, it awarded 1 grant totaling $450K. Net investment income was $64K.
The 300 Foundation at a glance
In short: The 300 Foundation gave $450K across 1 grant in 2024 (avg $450K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $450,000
- +141.9% vs 2023
- Grants made (2024)
- 1
- +0.0% vs 2023
- Average grant
- $450,000
- +141.9% vs 2023
- Median grant
- $450,000
- Total assets
- $784,057
- -36.3% vs 2023
- Primary geography
- Massachusetts (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who The 300 Foundation funds
How this funder distributes its grants
Top Recipients
Top recipient in 2024
The largest 2024 recipient was The Boston Foundation ($450K).
Grant Size Distribution
6 grants across all recorded years
The most common grant size was in the $250–500K range: 2 grants of 6 (33%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2024 grant dollars on its one itemized grant.
States
Cities
How The 300 Foundation gives
- Giving fell 74% from 2021 to 2024. Method
- In 2024 it paid out well above its IRS minimum distribution (the 5% rule). 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 2020 to 2024, annual grant giving ranged from $186K (2023) to $5.1M (2020). In 2024 it made 1 grant totaling $450K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| The Boston Foundation Boston, MA | General Support Towards Charitable Mission | $450,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $784,057 | $13,216 | $461,755 | $450,000 | 1 | $461,755 | $64,053 | $40,684 |
| 2023 | $1,231,317 | $12,625 | $202,329 | $186,000 | 1 | $199,185 | $48,684 | $50,634 |
| 2022 | $1,425,808 | $3,676 | $483,856 | $437,000 | 1 | $447,416 | $64,471 | $65,546 |
| 2021 | $1,875,437 | $16 | $1,762,954 | $1,750,000 | 1 | $1,756,910 | $157,182 | $62,232 |
| 2020 | $3,336,347 | $17,935 | $5,164,441 | $5,141,725 | 2 | — | $303,861 | $192,676 |
Under IRS private-foundation payout rules, The 300 Foundation reported a distributable amount of $41K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
The 300 Foundation's 2024 filing lists 4 officers; none of the 4 officers listed in 2024 report compensation.
Officers on the 2024 filing
Charlene Achki Repko
Trustee
On filings since 2020
1 hr/week
No compensation reported
Constance Rose Blumenthal
Trustee
On filings since 2020
1 hr/week
No compensation reported
Dexter Clark Blumenthal
Trustee
On filings since 2020
1 hr/week
No compensation reported
Michael Kranzley
Trustee
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about The 300 Foundation
How much does The 300 Foundation give each year?
The 300 Foundation gave $450K across 1 grant in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $186K across 1 grant.
How large is The 300 Foundation?
The 300 Foundation reported $784K in total assets on its 2024 IRS Form 990-PF. It paid out $462K in qualifying distributions that year, against a required minimum of $41K (roughly 5% of its investment assets).
Where does The 300 Foundation operate?
The 300 Foundation has awarded grants in Massachusetts.
What is The 300 Foundation's EIN?
The 300 Foundation's EIN (Employer Identification Number) is 82-3690192. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
Live grants for the work The 300 Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
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Browse active grant opportunities in The 300 Foundation's focus areas in our free grants database
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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from The 300 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.
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