Aequa Foundation

Private foundation · Grantmaker Boston, MA EIN: 71-6225066

Aequa Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $3.3M in total assets. In 2025, it awarded 1 grant totaling $318K. Net investment income was $761K.

Aequa Foundation at a glance

In short: Aequa Foundation gave $318K across 1 grant in 2025 (avg $318K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$317,820
+22.8% vs 2024
Grants made (2025)
1
+0.0% vs 2024
Average grant
$317,820
+22.8% vs 2024
Median grant
$317,820
Total assets
$3,273,103
+14.2% vs 2024
Primary geography
Massachusetts (100% 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 Aequa Foundation funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Boston Foundation Inc: $318KBoston Foundation Inc$318K

The largest 2025 recipient was Boston Foundation Inc ($318K).

Grant Size Distribution

7 grants across all recorded years

2<$50K$50–100K1$100–250K4$250–500K$500K–1M$1–5M$5M+

The most common grant size was in the $250–500K range: 4 grants of 7 (57%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of the 2025 grant dollars on its one itemized grant.

Cities

BostonAlexandriaStoneham

How Aequa Foundation gives

  • Giving held roughly steady from 2022 to 2025 (+10%). Method
  • In 2025 it paid out 95% 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

$0$100K$200K$300K$400K3 grants2020 3 grants2021 1 grant2022 1 grant2023 1 grant2024 1 grant2025

From 2020 to 2025, annual grant giving ranged from $216K (2021) to $318K (2025). In 2025 it made 1 grant totaling $318K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Boston Foundation Inc Boston, MAGeneral & Unrestricted$317,820
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$3,273,103$800,797$396,065$317,8201$356,632$761,364$377,214
2024$2,867,165$41,819$337,130$258,8081$294,986$103,862$353,998
2023$3,165,269$336,098$329,432$262,2611$294,842$301,508$291,389
2022$3,159,575$158,678$361,827$290,0861$321,124$126,296$293,299
2021$3,363,543$417,515$288,454$215,7623$249,455$382,724$325,808
2020$3,234,243$244,505$305,030$245,5283—$212,639$244,666

Under IRS private-foundation payout rules, Aequa Foundation reported a distributable amount of $377K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Aequa Foundation is led by Mark M. Christopher Esq., Trustee on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • Mark M. Christopher Esq.

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "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 Aequa Foundation

How much does Aequa Foundation give each year?

Aequa Foundation gave $318K across 1 grant in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $259K across 1 grant.

How large is Aequa Foundation?

Aequa Foundation reported $3.3M in total assets on its 2025 IRS Form 990-PF. It paid out $357K in qualifying distributions that year, against a required minimum of $377K (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.

Where does Aequa Foundation operate?

Aequa Foundation has awarded grants in Massachusetts, Virginia.

What is Aequa Foundation's EIN?

Aequa Foundation's EIN (Employer Identification Number) is 71-6225066. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 1, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 9, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 10, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 6, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 9, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Aequa 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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