Grayvest Foundation

Private foundation · Grantmaker Boston, MA EIN: 83-6537585

Grayvest Foundation is a private foundation, based in Boston, MA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $14.2M in total assets. In 2024, it awarded 2 grants totaling $1.2M.

Key facts about Grayvest Foundation

In short: Grayvest Foundation gave $1.2M across 2 grants in 2024 (avg $587K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

EIN
83-6537585
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$1,173,068
Grants made (2024)
2
Average grant
$586,534
Median grant
$586,534
Total assets
$14,187,170
Primary geography
Massachusetts (85% of itemized 2024 grant dollars)

Data from IRS Form 990-PF, 2024; updated September 2026.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$14.2M

-11.4% YoY

Annual Giving

$1.2M

-8.5% YoY

Grant Count

2

+100.0% YoY

Avg Grant Size

$587K

-54.3% YoY

Under IRS private-foundation payout rules, Grayvest Foundation reported a distributable amount of $1.1M for 2024 — the minimum it must pay out in qualifying distributions.

How Grayvest Foundation gives

  • Giving held roughly steady from 2021 to 2024 (+3%). Method
  • In 2024 it paid out 107% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2024 grant dollars across all 2 itemized grants.

Cities

WarwickBoston

Giving Over Time

Total grant dollars and number of grants per year

$0$500K$1M$1.5M1 grant2020 1 grant2021 1 grant2022 1 grant2023 2 grants2024

From 2020 to 2024, annual grant giving ranged from $1.1M (2021) to $1.3M (2023). In 2024 it made 2 grants totaling $1.2M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2024

Grantham Foundation for the Protection of the Environment: $1.0MGrantham Foundation for theProtection of the Environment$1.0MVanguard Charitable Endowment Program: $173KVanguard Charitable EndowmentProgram$173K

The largest 2024 recipient was Grantham Foundation for the Protection of the Environment ($1.0M). Together the top 2 received $1.2M.

Grant Size Distribution

6 grants across all recorded years

<$50K$50–100K1$100–250K$250–500K$500K–1M5$1–5M$5M+

The most common grant size was in the $1–5M range: 5 grants of 6 (83%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Grantham Foundation for the Protection of the Environment Boston, MACharitable$1,000,000
Vanguard Charitable Endowment Program Warwick, RICharitable$173,068

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$500K$1M$1.5M$2M2020 2021 2022 2023 2024
Metric202420232022
Total Assets$14,187,170$16,007,903$17,335,067
Revenue$-518,962$267,704$142,922
Expenses$1,474,839$1,594,868$1,484,066
Qualifying Distributions$1,173,138$1,282,740$1,188,983
Net Investment Income—$58,873—
Distributable Amount$1,098,536$1,173,103$1,282,705

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Officers and directors from IRS filings

Grayvest Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Catherine Lee Hayden

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • David B. Thurston

    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 Grayvest Foundation

How much does Grayvest Foundation give each year?

Grayvest Foundation gave $1.2M across 2 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $1.3M across 1 grant.

How large is Grayvest Foundation?

Grayvest Foundation reported $14.2M in total assets on its 2024 IRS Form 990-PF. It paid out $1.2M in qualifying distributions that year, against a required minimum of $1.1M (roughly 5% of its investment assets).

Where does Grayvest Foundation operate?

Grayvest Foundation has awarded grants in Massachusetts, Rhode Island.

What is Grayvest Foundation's EIN?

Grayvest Foundation's EIN (Employer Identification Number) is 83-6537585. 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.

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