Clay Fellowships Charitable Trust

Public charity · Grantmaker Boston, MA EIN: 04-3560268

The sole activity of the trust is to make contributions to the smithsonian astrophysical observatory of the smithsonian institution of washington, d.c., a charitable organization that is exempt from tax under code section 501(c)(3) and is a public charity. The funds contributed by the trust will support a post-doctoral fellowship program in astrophysics.

Clay Fellowships Charitable Trust at a glance

In short: Clay Fellowships Charitable Trust gave $193K across 1 grant in 2025 (avg $193K), mostly in District of Columbia. Source: 2025 IRS Form 990.

Annual giving (2025)
$192,690
Grants made (2025)
1
Average grant
$192,690
Median grant
$192,690
Total assets
$8,741,361
+12.1% vs 2024
Primary geography
District of Columbia (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated November 2026.

Who Clay Fellowships Charitable Trust funds

How this funder distributes its grants

Top Recipients

Top recipient in 2025

Smithsonian Astrophysical Observatory of the Smithsonian: $193KSmithsonian AstrophysicalObservatory of the Smithsonian$193K

The largest 2025 recipient was Smithsonian Astrophysical Observatory of the Smithsonian ($193K).

Grant Size Distribution

3 grants across all recorded years

<$50K$50–100K1$100–250K2$250–500K$500K–1M$1–5M$5M+

The most common grant size was in the $250–500K range: 2 grants of 3 (67%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

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

Cities

CambridgeSW

How Clay Fellowships Charitable Trust gives

  • Giving fell 53% from 2022 to 2025. Method

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

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K1 grant2019 1 grant2020 1 grant2021 1 grant2022 0 grants2023 0 grants2024 1 grant2025

From 2019 to 2025, annual grant giving ranged from $193K (2025) to $410K (2022). In 2025 it made 1 grant totaling $193K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Smithsonian Astrophysical Observatory of the Smithsonian SW, DCCharitable Contibution$192,690
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$8,741,361$398,370$344,791$192,6901$401,596
2024$7,794,437$1,075,796$150,149——$1,051,574
2023$6,576,365$509,585$118,635——$525,426
2022$6,019,511$770,397$506,342$409,9931$770,792
2021$5,402,149$415,652$395,786$367,1141$410,652
2020$5,126,748$-657,136$353,087$313,6591$-657,136
2019$6,412,758$164,533$402,709$396,9101$164,533

About Clay Fellowships Charitable Trust

Based on IRS filings

Clay Fellowships Charitable Trust is a public charity, based in Boston, MA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $8.7M in total assets. In 2025, it awarded 1 grant totaling $193K. Net investment income was $402K.

Leadership & Key People

Officers and directors from IRS filings

Clay Fellowships Charitable Trust's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Thomas Clay

    Trustee

    On filings since 2019

    1 hr/week

    No compensation reported

  • Edward A. O'Neal

    Trustee

    On filings since 2021

    1 hr/week

    No compensation reported

  • Lisa Kewley

    Trustee

    On filings since 2022

    1 hr/week

    No compensation reported

Former officers (2)
  • Former: Charles Alcock (2019–2024) — Trustee
  • Former: Lee Kozol (2019–2020) — Trustee

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.

Frequently asked questions about Clay Fellowships Charitable Trust

How much does Clay Fellowships Charitable Trust give each year?

Clay Fellowships Charitable Trust gave $193K across 1 grant in 2025, according to its 2025 IRS Form 990.

How large is Clay Fellowships Charitable Trust?

Clay Fellowships Charitable Trust reported $8.7M in total assets on its 2025 IRS Form 990. Its revenue that year was $398K.

Where does Clay Fellowships Charitable Trust operate?

Clay Fellowships Charitable Trust has awarded grants in District of Columbia, Massachusetts.

What is Clay Fellowships Charitable Trust's EIN?

Clay Fellowships Charitable Trust's EIN (Employer Identification Number) is 04-3560268. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated November 2026. Sourced from IRS Form 990 filings.

Data update history

(5)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2019 (received by the IRS January 22, 2021)
  2. Updated Form 990 for fiscal year 2020 (received by the IRS September 15, 2021)
  3. Updated Form 990 for fiscal year 2021 (received by the IRS October 11, 2022)
  4. Updated Form 990 for fiscal year 2022 (received by the IRS October 6, 2023)
  5. Added Form 990 for fiscal year 2025 (received by the IRS September 9, 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 Clay Fellowships Charitable Trust'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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