Louise Arnold Maddux
Louise Arnold Maddux is a private foundation based in Santa Fe, New Mexico. Its 2025 filing reports cash donations to nonprofit organizations, including groups working in environmental conservation, animal welfare, food access, humanitarian response, and other areas.
Louise Arnold Maddux at a glance
In short: Louise Arnold Maddux gave $46K across 46 grants in 2025 (avg $1K), top state New Mexico. 33% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $46,000
- +35.3% vs 2024
- Grants made (2025)
- 46
- +35.3% vs 2024
- Average grant
- $1,000
- +0.0% vs 2024
- Median grant
- $1,000
- Total assets
- $1,021,278
- +12.9% vs 2024
- New grantees (estimate)
- 33% first-time grantees (15 of 46, 2025)
- Primary geography
- New Mexico (43% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Louise Arnold Maddux
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds. It states that it makes contributions only to preselected charitable organizations.
- Contact
Mailing address: 103 Camino Cabo, Santa Fe, NM 87508
Phone: (505) 660-8809
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Louise Arnold Maddux funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was 350ORG ($1K). Together the top 10 received $10K.
Grant Size Distribution
170 grants across all recorded years
The most common grant size was under $50K: 170 grants of 170 (100%).
Geographic Focus
Where this funder awards grants
The foundation is based in Santa Fe, New Mexico. In 2025, 43% of its grant dollars went to recipients in New Mexico. Other leading recipient states or jurisdictions were the District of Columbia (9%), Colorado (7%), Virginia (7%), and California (7%).
Grant Distribution by State
Share of 2025 grant dollars across all 46 itemized grants.
States
Cities
Is Louise Arnold Maddux open to new grantees?
33%
first-time grantees, 2025
In 2025, 15 of 46 grantees (33%) were first-time recipients. First grants averaged $1K; repeat grants $1K. How we count
Medians: $1K first-time, $1K repeat.
- 65% of 2025 grantees were also funded in 2024. Method
- Giving grew 39% from 2022 to 2025. Method
- In 2025 it paid out 111% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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
From 2019 to 2025, annual grant giving ranged from $24K (2020) to $46K (2025). In 2025 it made 46 grants totaling $46K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| 350ORG Boston, MA | General Contribution | $1,000 |
| American Rivers Inc Washington, DC | General Contribution | $1,000 |
| Chicago Eco House Chicago, IL | General Contribution | $1,000 |
| Conejos County Clean Water Antonito, CO | General Contribution | $1,000 |
| Denver Urban Guardians Denver, CO | General Contribution | $1,000 |
| Doctors Without Borders Hagerstown, MD | General Contribution | $1,000 |
| Earth Care Santa Fe, NM | General Contribution | $1,000 |
| Espanola Valley Animal Shelter Espanola, NM | General Contribution | $1,000 |
| Friends of the Rio Grande Albuquerque, NM | General Contribution | $1,000 |
| Friends Village Newtown, PA | General Contribution | $1,000 |
Ready to take the next step with Louise Arnold Maddux?
Financial History
Multi-year comparison from IRS filings
In 2025, the foundation reported 46 grants; in 2024, 34; and in 2023, 32.
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $1,021,278 | $80,406 | $56,716 | $46,000 | 46 | $51,355 | $20,974 | $46,296 |
| 2024 | $904,621 | $26,552 | $43,483 | $34,000 | 34 | $38,724 | $21,793 | $41,377 |
| 2023 | $773,103 | $12,000 | $43,299 | $32,000 | 32 | $36,737 | $21,274 | $36,557 |
| 2022 | $778,688 | $112,664 | $42,979 | $33,000 | 33 | $37,848 | $107,787 | $36,997 |
| 2021 | $821,981 | $22,293 | $33,666 | $25,000 | 25 | $29,125 | $18,285 | $37,242 |
| 2020 | $703,564 | $32,334 | $33,729 | $24,000 | 24 | — | $27,659 | $32,331 |
| 2019 | $771,548 | $24,114 | $41,997 | $32,000 | 32 | — | $20,152 | $35,900 |
Under IRS private-foundation payout rules, Louise Arnold Maddux reported a distributable amount of $46K for 2025 — 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 available here. Its 2025 grantees illustrate a range of supported work. For example, Trees for the Future says its mission is to improve the livelihoods of impoverished farmers by revitalizing degraded lands, while Ocean Conservancy says it unites science, people, and policy to protect the ocean. Tree New Mexico describes its work as helping communities throughout New Mexico plant and care for urban canopy trees. These are the grantees’ stated missions, not a stated mission of the foundation.
Grantmaking
In 2025, the foundation reported 46 grants totaling $46,000. Each grant was $1,000. Grantees included Earth Care, Española Valley Animal Shelter, Friends of the Rio Grande, and Heart & Soul Animal Sanctuary, each receiving $1,000. Other 2025 recipients included Trees for the Future, Ocean Conservancy, Tree New Mexico, Los Alamos Study Group, New River Land Trust, Reunity Resources, Urban Growers Collective, and World Central Kitchen, each receiving $1,000.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists IVE as trustee.
Louise Arnold Maddux is led by Ive, Trustee on the 2025 filing — the only officer listed, and compensated.
Officers on the 2025 filing
Ive
Trustee
New on the 2025 filing
$9K (2025)
Former officers (1)
- Former: Colette Muller Lee (2019–2024) — 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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $9K, to IVE (Trustee).
Frequently asked questions about Louise Arnold Maddux
How much does Louise Arnold Maddux give each year?
Louise Arnold Maddux gave $46K across 46 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $34K across 34 grants.
What is Louise Arnold Maddux's typical grant size?
Louise Arnold Maddux's median grant in 2025 was $1,000, and its average grant was $1,000, across 46 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Louise Arnold Maddux that year got $1K on average.
Where does Louise Arnold Maddux give grants?
Louise Arnold Maddux's top state is New Mexico, with 43% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were District of Columbia (9%) and Colorado (7%). The most frequent recipient cities were Santa Fe, NM (10 grants), Albuquerque, NM (5 grants), Washington, DC (4 grants) and Blacksburg, VA (3 grants).
Does Louise Arnold Maddux give general operating support?
Yes: 96% of Louise Arnold Maddux's 2025 grants with a stated purpose (44 of 46) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Louise Arnold Maddux's largest grantees?
Louise Arnold Maddux's largest 2025 grantees include 350ORG ($1,000), American Rivers Inc ($1,000) and Chicago Eco House ($1,000), according to its 2025 IRS Form 990-PF. Together they received 7% of its itemized 2025 grant dollars.
How large is Louise Arnold Maddux?
Louise Arnold Maddux reported $1.0M in total assets on its 2025 IRS Form 990-PF. It paid out $51K in qualifying distributions that year, against a required minimum of $46K (roughly 5% of its investment assets).
What does Louise Arnold Maddux fund?
No mission statement for the foundation is available here. Its 2025 grantees illustrate a range of supported work. See mission & focus areas ↑
How do I apply for a grant from Louise Arnold Maddux?
The foundation 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 Louise Arnold Maddux's EIN?
Louise Arnold Maddux's EIN (Employer Identification Number) is 85-0405509. IRS Form 990 filing data is available on this page for 2019–2025.
Does Louise Arnold Maddux 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
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS May 10, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 7, 2026)
- IRS filings on file for fiscal years 2020–2024
Other open foundation grants in New Mexico
New Mexico Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Louise Arnold Maddux's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Enterprise Holdings Foundation
Saint Louis, MO
The Enterprise Holdings Foundation supports charitable and educational nonprofits in communities where Enterprise Mobility operates, focusing on health, education, arts, and disaster relief; applicants must be actively supported by an Enterprise Mobility team member, spouse, or domestic partner. Giving varies widely: it reported 9,499 grants in 2024, but its 2025 filing showed one grant of $101.4 million, so that amount is not a typical award. Applications are accepted at any time through eligible Enterprise-affiliated applicants; the Foundation does not limit giving to preselected organizations.
Assets
$594.3M
Grants
1
Total Given
$101.4M
Duke Energy Foundation
Charlotte, NC
The Duke Energy Foundation funds workforce and local economic development, disaster resilience, conservation, clean water, and economic opportunity in North Carolina, South Carolina, Florida, Ohio, Kentucky, and Indiana. Its 2024 grants had a median of $25,000; applications for grants of $20,000 or less are accepted year-round, after applicants discuss proposals with a state representative.
Assets
$1.9M
Grants
41
Total Given
$25.6M
Bristol-Myers Squibb Foundation Inc
Princeton, NJ
The Bristol-Myers Squibb Foundation supports health access and stronger health systems, with a focus on adult and pediatric cancers, blood disorders, brain health, and clinical-trial participation in the United States, Brazil, India, and ten Sub-Saharan African countries. In 2024, its median grant was about $134,000, though awards varied widely; it does not state whether it accepts unsolicited requests, and advises prospective applicants to contact the Foundation about its process.
Assets
$83.3M
Grants
144
Total Given
$67.7M
Santa Fe Community Foundation
Santa Fe, NM
The Santa Fe Community Foundation funds 501(c)(3) nonprofits working in health, education, economic opportunity, the environment, arts and culture, and other community priorities; its main focus is Mora, Rio Arriba, San Miguel, and Santa Fe counties, though some funds support work statewide. In 2024, grants ranged from $5,250 to $1,517,500, with a median of $16,006. It accepts proposals through competitive grant cycles and fund-specific opportunities; no grants were open at the time described.
Assets
$144.1M
Grants
302
Total Given
$12.4M
Albuquerque Community Foundation
Albuquerque, NM
The Albuquerque Community Foundation funds nonprofit work in health care, human services, arts and culture, education, environment and historic preservation, and economic and workforce development, serving Bernalillo, Sandoval, Torrance, and Valencia counties. Its 2024 grants had a median of $16,000 and ranged from $5,200 to $663,352; its annual grant cycle has a minimum award of $10,000.
Assets
$160.6M
Grants
245
Total Given
$6.9M
The Rockefeller Foundation
New York, NY
The Rockefeller Foundation funds initiatives in energy access, sustainable food systems, health, climate, economic opportunity, and finance in the United States and around the world. In 2024, it made 381 grants, with a median grant of about $171,000, though awards ranged widely; it does not accept unsolicited requests and funds preselected organizations only.
Assets
$6.4B
Grants
381
Total Given
$233.2M
More similar funders
More Funders in New Mexico
The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open
Figures come from Louise Arnold Maddux'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.
Louise Arnold Maddux down — hundreds of funders to go?