Hadley & Marion Stuart Foundation

Private foundation · Grantmaker Longmont, CO EIN: 94-6607854

The Hadley & Marion Stuart Foundation is a private foundation based in Longmont, Colorado. In 2024, it reported 21 grants totaling $5,860,000 to charitable organizations, including colleges, animal-welfare organizations, and organizations providing services involving assistance dogs.

Hadley & Marion Stuart Foundation at a glance

In short: Hadley & Marion Stuart Foundation gave $5.9M across 21 grants in 2024 (avg $279K), top state Colorado. 0% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$5,860,000
+3.9% vs 2023
Grants made (2024)
21
+0.0% vs 2023
Average grant
$279,048
+3.9% vs 2023
Median grant
$50,000
Total assets
$111,783,246
-1.1% vs 2023
New grantees (estimate)
0% first-time grantees (0 of 21, 2024; small sample)
Primary geography
Colorado (43% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Hadley & Marion Stuart Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 11732 Crystal View Lane, Longmont, CO 80504-8453
Phone: (303) 652-2869

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Hadley & Marion Stuart Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

CSU Foundation: $1.8MCSU Foundation$1.8MSweet Briar College: $1.5MSweet Briar College$1.5MMarianapolis Preparatory School: $600KMarianapolis PreparatorySchool$600KMorris Animal Foundation: $550KMorris Animal Foundation$550KConquer Paralysis Now: $500KConquer Paralysis Now$500KRescue Ranch: $165KRescue Ranch$165KTony Stewart Foundation: $150KTony Stewart Foundation$150KGuide Dogs for the Blind: $125KGuide Dogs for the Blind$125KCanine Companions for Independence: $100KCanine Companions forIndependence$100KIdaho Youth Ranch: $75KIdaho Youth Ranch$75K

The largest 2024 recipient was CSU Foundation ($1.8M). Together the top 10 received $5.5M.

Grant Size Distribution

111 grants across all recorded years

48<$50K14$50–100K25$100–250K5$250–500K8$500K–1M11$1–5M$5M+

The most common grant size was under $50K: 48 grants of 111 (43%).

Geographic Focus

Where this funder awards grants

In 2024, Colorado recipients accounted for 43% of grant dollars, followed by Virginia at 26%, Connecticut at 10%, New Jersey at 9%, and California at 4%.

Grant Distribution by State

11states

Share of 2024 grant dollars across all 21 itemized grants.

Cities

DenverLongmontFort CollinsBellevueBoiseBrownsburgPaolaPrincetonSan RafaelSan Tan ValleySanta RosaStatesvilleSteamboat SpringsSweet BriarThompsonBoulderColorado SpringsLafayetteMiddleburgOakland

Is Hadley & Marion Stuart Foundation open to new grantees?

0%

first-time grantees, 2024

In 2024, 0 of 21 grantees (0%) were first-time recipients. With only 21 grantees, that is a small sample: one grantee more or less moves the share by about 5 points. How we count

  • 100% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (+1%). Method
  • In 2024 it paid out 105% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$2M$4M$6M$8M22 grants2020 25 grants2021 22 grants2022 21 grants2023 21 grants2024

From 2020 to 2024, annual grant giving ranged from $2.9M (2020) to $6.1M (2022). In 2024 it made 21 grants totaling $5.9M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
CSU Foundation Fort Collins, COGeneral Charitable$1,750,000
Sweet Briar College Sweet Briar, VAGeneral Charitable$1,500,000
Marianapolis Preparatory School Thompson, CTGeneral Charitable$600,000
Morris Animal Foundation Denver, COGeneral Charitable$550,000
Conquer Paralysis Now Princeton, NJGeneral Charitable$500,000
Rescue Ranch Statesville, NCGeneral Charitable$165,000
Tony Stewart Foundation Brownsburg, INGeneral Charitable$150,000
Guide Dogs for the Blind San Rafael, CAGeneral Charitable$125,000
Canine Companions for Independence Santa Rosa, CAGeneral Charitable$100,000
Idaho Youth Ranch Boise, IDGeneral Charitablegeneral Charitable$75,000
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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
2024$111,783,246$5,068,756$6,356,655$5,860,00021$5,860,000$4,637,919$5,600,528
2023$113,069,124$5,010,695$6,138,690$5,640,00021$5,640,000$4,576,651$6,073,124
2022$114,206,046$3,345,235$6,663,004$6,120,00022$6,120,000$3,330,844$5,893,488
2021$117,487,417$3,460,350$6,338,338$5,793,50025—$2,953,424$6,263,028
2020$120,616,076$3,938,988$3,482,624$2,935,00022—$3,451,177$6,056,561

Under IRS private-foundation payout rules, Hadley & Marion Stuart Foundation reported a distributable amount of $5.6M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants show support for organizations working in education and animal-related fields. For example, Morris Animal Foundation describes its mission as advancing animal health through science and resources. Guide Dogs for the Blind says it creates partnerships between people, dogs, and communities, while Canine Companions for Independence says it provides trained service dogs and ongoing support to people with disabilities.

Other supported organizations describe work in wildlife rehabilitation, animal disaster response, humane education, and youth services. These are the grantees’ stated missions, not stated priorities of the foundation.

Grantmaking

In 2024, the foundation reported 21 grants totaling $5,860,000. Grants ranged from $10,000 to $1,750,000, with a median grant of $50,000. Its largest reported grants included $1,750,000 to CSU Foundation, $1,500,000 to Sweet Briar College, $600,000 to Marianapolis Preparatory School, $550,000 to Morris Animal Foundation, and $500,000 to Conquer Paralysis Now. Each was listed for general charitable purposes.

Leadership & Key People

Leadership team and compensation from IRS filings

Nan M Stuart was listed as a trustee on the 2024 filing.

Hadley & Marion Stuart Foundation is led by Nan M. Stuart, Trustee on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2024 filing

  • Nan M. Stuart

    Trustee

    On filings since 2020

    7.5 hrs/week

    No compensation reported

Former officers (1)
  • Former: Brett Fullerton Stuart (2020–2023) — Trustee

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 Hadley & Marion Stuart Foundation

How much does Hadley & Marion Stuart Foundation give each year?

Hadley & Marion Stuart Foundation gave $5.9M across 21 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $5.6M across 21 grants.

What is Hadley & Marion Stuart Foundation's typical grant size?

Hadley & Marion Stuart Foundation's median grant in 2024 was $50,000, and its average grant was $279,048, across 21 grants on its 2024 IRS Form 990-PF.

Where does Hadley & Marion Stuart Foundation give grants?

Hadley & Marion Stuart Foundation's top state is Colorado, with 43% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Virginia (26%) and Connecticut (10%). The most frequent recipient cities were Denver, CO (3 grants), Longmont, CO (3 grants) and Fort Collins, CO (2 grants).

Does Hadley & Marion Stuart Foundation give general operating support?

Yes: 100% of Hadley & Marion Stuart Foundation's 2024 grants with a stated purpose (21 of 21) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Hadley & Marion Stuart Foundation's largest grantees?

Hadley & Marion Stuart Foundation's largest 2024 grantees include CSU Foundation ($1,750,000), Sweet Briar College ($1,500,000) and Marianapolis Preparatory School ($600,000), according to its 2024 IRS Form 990-PF. Together they received 66% of its itemized 2024 grant dollars.

How large is Hadley & Marion Stuart Foundation?

Hadley & Marion Stuart Foundation reported $111.8M in total assets on its 2024 IRS Form 990-PF. It paid out $5.9M in qualifying distributions that year, against a required minimum of $5.6M (roughly 5% of its investment assets).

What does Hadley & Marion Stuart Foundation fund?

No mission statement for the foundation is provided. Its 2024 grants show support for organizations working in education and animal-related fields. For example, Morris Animal Foundation describes its mission as advancing animal health through science and resources. See mission & focus areas ↑

How do I apply for a grant from Hadley & Marion Stuart Foundation?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Hadley & Marion Stuart Foundation's EIN?

Hadley & Marion Stuart Foundation's EIN (Employer Identification Number) is 94-6607854. IRS Form 990 filing data is available on this page for 2020–2024.

Does Hadley & Marion Stuart Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

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

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Cite this profile

Grantable. (2026). Hadley & Marion Stuart Foundation funder profile. GrantGraph. Retrieved October 14, 2026, from https://grantable.co/funders/hadley-and-marion-stuart-foundation-morg_5df5680ff44549f382e7ef7986b4ee88

BibTeX
@misc{grantable_946607854_2026,
  author       = {{Grantable}},
  title        = {{Hadley \& Marion Stuart Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/hadley-and-marion-stuart-foundation-morg_5df5680ff44549f382e7ef7986b4ee88},
  note         = {Accessed 2026-10-14. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Hadley & Marion Stuart 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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