The Atmos Foundation

Private foundation · Grantmaker Walnut Creek, CA EIN: 68-0153116
EnvironmentDomesticated animalsHealthHuman services

The Atmos Foundation is a private foundation focused on Environment, based in Walnut Creek, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $1.1M in total assets. In 2025, it awarded 5 grants totaling $520K. Net investment income was $291K.

The Atmos Foundation at a glance

In short: The Atmos Foundation gave $520K across 5 grants in 2025 (avg $104K), mostly in New York. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$520,000
+73.3% vs 2024
Grants made (2025)
5
+0.0% vs 2024
Average grant
$104,000
+73.3% vs 2024
Median grant
$50,000
Total assets
$1,145,158
-17.8% vs 2024
Primary geography
New York (87% 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 The Atmos Foundation funds

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2025

Parkinsons Foundation: $300KParkinsons Foundation$300KAmerican Friends of RAMBAM: $150KAmerican Friends of RAMBAM$150KCPMC Sutter Health: $50KCPMC Sutter Health$50KSamaritan Neighborhood: $10KSamaritan Neighborhood$10KPlanned Parenthood ofthe Great Nort: $10KPlanned Parenthood ofthe GreatNort$10K

The largest 2025 recipient was Parkinsons Foundation ($300K). Together the top 5 received $520K.

Grant Size Distribution

33 grants across all recorded years

27<$50K2$50–100K3$100–250K1$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 27 grants of 33 (82%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Share of 2025 grant dollars across all 5 itemized grants.

Cities

New YorkOaklandSan FranciscoWarringtonHagerstownWalnut CreekDallasSeattleBethesdaBrooklynWashington

How The Atmos Foundation gives

  • Giving grew 381% from 2022 to 2025. Method
  • In 2025 it paid out 756% of 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

$0$200K$400K$600K11 grants2019 8 grants2020 8 grants2021 8 grants2022 7 grants2023 5 grants2024 5 grants2025

From 2019 to 2025, annual grant giving ranged from $102K (2020) to $520K (2025). In 2025 it made 5 grants totaling $520K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Parkinsons Foundation New York, NYDonations towards parkinsons research$300,000
American Friends of RAMBAM New York, NYMedical Support in Israel$150,000
CPMC Sutter Health San Francisco, CAHOSPITAL General Fund$50,000
Samaritan Neighborhood Oakland, CAEducational Programs for Low Income Youth$10,000
Planned Parenthood ofthe Great Nort Seattle, WAReproductive healthcare$10,000
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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
2025$1,145,158$291,442$540,084$520,0005$520,000$291,442$68,798
2024$1,393,780$219,857$314,903$300,0005$300,000$219,857$82,271
2023$1,488,826$193,812$213,378$203,0007$203,000$193,831$87,126
2022$1,508,392$30,387$118,418$108,0008$108,000$30,387$97,072
2021$1,596,423$24,418$115,270$105,0008—$26,341$101,202
2020$1,687,275$231,467$111,654$102,0008—$33,724$97,226
2019$1,568,152$35,793$113,099$103,00011—$35,793$92,061

Under IRS private-foundation payout rules, The Atmos Foundation reported a distributable amount of $69K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

The Atmos Foundation is led by Paul Nathan, Director & President since 2020 (on filings since 2019); none of the 5 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Paul Nathan

    Director & President

    CFO & Director → Director & President, 2020

    On filings since 2019

    No compensation reported

  • Monica Nathan

    Board Chair

    Director → Board Chair, 2020

    On filings since 2019

    No compensation reported

  • Carly Nathan

    Director

    On filings since 2019

    No compensation reported

  • Maximilian Mancini

    Director

    On filings since 2019

    No compensation reported

  • Marcy Nathan

    CFO & Secretary

    Secretary → CFO & Secretary, 2020

    On filings since 2019

    No compensation reported

Former officers (1)
  • Former: Dorotea C Nathan (2019) — CEO & Director

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 The Atmos Foundation

How much does The Atmos Foundation give each year?

The Atmos Foundation gave $520K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $300K across 5 grants.

What is The Atmos Foundation's typical grant size?

The Atmos Foundation's median grant in 2025 was $50,000, and its average grant was $104,000, across 5 grants on its 2025 IRS Form 990-PF.

Where does The Atmos Foundation give grants?

The Atmos Foundation gives mostly in New York: 87% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was California (12%). The most frequent recipient cities were New York, NY (2 grants).

Does The Atmos Foundation give general operating support?

Yes: 20% of The Atmos Foundation's 2025 grants with a stated purpose (1 of 5) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are The Atmos Foundation's largest grantees?

The Atmos Foundation's largest 2025 grantees include Parkinsons Foundation ($300,000), American Friends of RAMBAM ($150,000) and CPMC Sutter Health ($50,000), according to its 2025 IRS Form 990-PF. Together they received 96% of its itemized 2025 grant dollars.

How large is The Atmos Foundation?

The Atmos Foundation reported $1.1M in total assets on its 2025 IRS Form 990-PF. It paid out $520K in qualifying distributions that year, against a required minimum of $69K (roughly 5% of its investment assets).

What is The Atmos Foundation?

The Atmos Foundation is a private foundation focused on Environment, based in Walnut Creek, CA. It holds $1.1M in total assets as of 2025.

What is The Atmos Foundation's EIN?

The Atmos Foundation's EIN (Employer Identification Number) is 68-0153116. IRS Form 990 filing data is available on this page for 2019–2025.

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

Data update history

(8)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2019 (received by the IRS January 30, 2020)
  2. Updated Form 990-PF for fiscal year 2020 (received by the IRS February 4, 2021)
  3. Updated Form 990-PF for fiscal year 2021 (received by the IRS February 10, 2022)
  4. Updated Form 990-PF for fiscal year 2022 (received by the IRS February 10, 2023)
  5. Updated Form 990-PF for fiscal year 2023 (received by the IRS January 18, 2024)
  6. Updated Form 990-PF for fiscal year 2024 (received by the IRS February 14, 2025)
  7. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 2, 2026)
  8. IRS filings on file for fiscal years 2019–2025

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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 Atmos 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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