Rhizomium Foundation

Private foundation · Grantmaker Barneveld, WI EIN: 99-2965178

Rhizomium Foundation is a private foundation based in Barneveld, Wisconsin. Its 2025 filing reports grants to charitable organizations, with all listed grant purposes identified as advocacy.

Rhizomium Foundation at a glance

In short: Rhizomium Foundation gave $255K across 10 grants in 2025 (avg $26K), mostly in Wisconsin. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$255,000
Grants made (2025)
10
Average grant
$25,500
Median grant
$10,000
Total assets
$6,648,701
Primary geography
Wisconsin (80% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026.

How to apply to Rhizomium Foundation

Accepts unsolicited proposals
No
How to Apply

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

Contact

Mailing address: 5318 Rickey Road, Barneveld, WI 53507
Phone: (708) 714-7339

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

Who Rhizomium Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Savanna Institute: $125KSavanna Institute$125KClearspring School: $25KClearspring School$25KRooted WI Inc: $25KRooted WI Inc$25KThe Bodgery: $25KThe Bodgery$25KFlorida School of Woodwork: $10KFlorida School of Woodwork$10KMycological Society: $10KMycological Society$10KPlane Wellness: $10KPlane Wellness$10KRiver Valley Commons: $10KRiver Valley Commons$10KSaint Maud: $10KSaint Maud$10KWave Pool: $5KWave Pool$5K

The largest 2025 recipient was Savanna Institute ($125K). Together the top 10 received $255K.

Grant Size Distribution

10 grants across all recorded years

9<$50K$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 9 grants of 10 (90%).

Geographic Focus

Where this funder awards grants

In 2025, 80% of grant dollars went to recipients in Wisconsin, 10% to Arkansas, 4% each to Florida and Pennsylvania, and 2% to Ohio. These figures describe the locations of that year’s recipients.

Grant Distribution by State

5states

Share of 2025 grant dollars across all 10 itemized grants.

Cities

MadisonCincinnatiEureka SpirngsFord CityPencePlainTampaWindsor

How Rhizomium Foundation gives

  • In 2025 it paid out 123% 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$100K$200K$300K0 grants2024 10 grants2025

In 2025 it made 10 grants totaling $255K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Savanna Institute Madison, WIAdvocacy$125,000
Clearspring School Eureka Spirngs, ARAdvocacy$25,000
Rooted WI Inc Madison, WIAdvocacy$25,000
The Bodgery Madison, WIAdvocacy$25,000
Florida School of Woodwork Tampa, FLAdvocacy$10,000
Mycological Society Windsor, WIAdvocacy$10,000
Plane Wellness Ford City, PAAdvocacy$10,000
River Valley Commons Plain, WIAdvocacy$10,000
Saint Maud Pence, WIAdvocacy$10,000
Wave Pool Cincinnati, OHAdvocacy$5,000
Your AI grants department

Ready to take the next step with Rhizomium Foundation?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$6,648,701$8,422,225$305,818$255,00010$280,936$2,456,453$228,488

Under IRS private-foundation payout rules, Rhizomium Foundation reported a distributable amount of $228K 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

The available information does not state a mission for the foundation. Its 2025 grantees describe work in areas including agroforestry, food, land and learning, shared tools and workspace for creative and technical projects, and contemporary arts. For example, the Savanna Institute says it works with farmers and scientists to support agroforestry adoption in the Midwest, while Rooted WI says it envisions collaborations around food, land and learning for healthy, equitable and sustainable neighborhoods.

Grantmaking

In 2025, the foundation gave $255,000 through 10 grants. Grants ranged from $5,000 to $125,000, with a median of $10,000. The largest awards were $125,000 to the Savanna Institute, $25,000 each to ClearSpring School, Rooted WI Inc, and The Bodgery, and $10,000 to the Florida School of Woodwork.

Other 2025 recipients were the Mycological Society, Plane Wellness, River Valley Commons, and Saint Maud, each receiving $10,000, and Wave Pool, which received $5,000. The filing lists advocacy as the purpose for each grant.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Narayan Nayar, Christopher Schwarz, and Megan Fitzpatrick-Jones as directors.

Rhizomium Foundation's 2025 filing lists 3 officers; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Christopher Schwarz

    Director

    On filings since 2024

    5 hrs/week

    No compensation reported

  • Megan Fitzpatrick-Jones

    Director

    On filings since 2024

    5 hrs/week

    No compensation reported

  • Narayan Nayar

    Director

    On filings since 2024

    20 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2024–2025. "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 Rhizomium Foundation

How much does Rhizomium Foundation give each year?

Rhizomium Foundation gave $255K across 10 grants in 2025, according to its 2025 IRS Form 990-PF.

What is Rhizomium Foundation's typical grant size?

Rhizomium Foundation's median grant in 2025 was $10,000, and its average grant was $25,500, across 10 grants on its 2025 IRS Form 990-PF.

Where does Rhizomium Foundation give grants?

Rhizomium Foundation gives mostly in Wisconsin: 80% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Arkansas (10%). The most frequent recipient cities were Madison, WI (3 grants).

Does Rhizomium Foundation give general operating support?

Not in 2025: none of the 10 grants with a stated purpose on Rhizomium Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Advocacy" (10 grants).

Who are Rhizomium Foundation's largest grantees?

Rhizomium Foundation's largest 2025 grantees include Savanna Institute ($125,000), Clearspring School ($25,000) and Rooted WI Inc ($25,000), according to its 2025 IRS Form 990-PF. Together they received 69% of its itemized 2025 grant dollars.

How large is Rhizomium Foundation?

Rhizomium Foundation reported $6.6M in total assets on its 2025 IRS Form 990-PF. It paid out $281K in qualifying distributions that year, against a required minimum of $228K (roughly 5% of its investment assets).

What does Rhizomium Foundation fund?

The available information does not state a mission for the foundation. Its 2025 grantees describe work in areas including agroforestry, food, land and learning, shared tools and workspace for creative and technical projects, and contemporary arts. See mission & focus areas ↑

How do I apply for a grant from Rhizomium Foundation?

The foundation states that it 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 Rhizomium Foundation's EIN?

Rhizomium Foundation's EIN (Employer Identification Number) is 99-2965178. IRS Form 990 filing data is available on this page for 2024–2025.

Does Rhizomium 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

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS August 18, 2026)
  2. IRS filings on file for fiscal year 2024

Explore Open Grants

Browse active grant opportunities in Rhizomium Foundation's focus areas in our free grants database

Similar Funders

Similar funders in Wisconsin

Thrivent Charitable Impact & Investing

Appleton, WI

Thrivent Charitable Impact & Investing distributes donor-directed and program donations to a broad range of causes and organizations in local, national, and global communities. Its 2024 grants had a median of $11,520 and ranged from $5,006 to $5 million. The profile does not state whether it accepts unsolicited requests.

Philanthropy, Voluntarism & Grantmaking

Assets

$939.7M

Grants

2,565

Total Given

$84.6M

Dane Buy Local Foundation Inc

Madison, WI

Dane Buy Local Foundation supports buy-local education, collaboration, and programs that strengthen locally owned businesses and communities in Dane County and South Central Wisconsin; it also offers scholarships to area high school seniors pursuing post-secondary business or entrepreneurship studies. No typical award amount is stated, and the information does not say whether the Foundation accepts unsolicited funding requests.

Community Improvement & Capacity Building

Assets

$16K

Grants

1

Total Given

$136K

Alliant Energy Foundation Inc

Madison, WI

Assets

$28.5M

Grants

929

Total Given

$2.4M

Greater Milwaukee Foundation Inc

Milwaukee, WI

The Greater Milwaukee Foundation funds nonprofit programs, projects, general operations and capital needs, with priorities including early childhood education, housing, basic needs, health, arts and culture, and scientific research. Its competitive grants primarily serve Milwaukee, Ozaukee, Washington and Waukesha counties; in 2024, the median grant was about $27,800, though awards varied widely. It runs competitive grant cycles, but whether it accepts unsolicited requests is not stated.

Philanthropy, Voluntarism & Grantmaking

Assets

$1.1B

Grants

838

Total Given

$66.8M

Give Back Foundation

Madison, WI

Give Back Foundation distributes donor-designated contributions through workplace giving and other giving platforms to selected 501(c)(3) charities, rather than setting its own cause areas. In 2025, grants had a median of $9,066, with recipient organizations concentrated in Virginia, California, and Washington, D.C.; it does not accept unsolicited requests or work directly with charities.

Assets

$31.3M

Grants

639

Total Given

$40.1M

United Way of Greater Milwaukee & Waukesha County Inc

Milwaukee, WI

United Way of Greater Milwaukee & Waukesha County funds local human services and community programs focused on housing stability, digital access, employment, teen mental wellness, and community resilience. Its 2025 grants ranged from $5,000 to about $2 million, with a median of about $34,000, and most funding went to Wisconsin, especially its four-county region. It requires a Letter of Intent before a full application; the listed 2026–27 Letter of Intent deadline has passed.

Philanthropy, Voluntarism & Grantmaking

Assets

$50.8M

Grants

639

Total Given

$42.7M

More similar funders

More Funders in Wisconsin

Cite this profile

Grantable. (2026). Rhizomium Foundation funder profile. GrantGraph. Retrieved October 23, 2026, from https://grantable.co/funders/rhizomium-foundation-morg_aec309da382d4334957148d4817b9d95

BibTeX
@misc{grantable_992965178_2026,
  author       = {{Grantable}},
  title        = {{Rhizomium Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/rhizomium-foundation-morg_aec309da382d4334957148d4817b9d95},
  note         = {Accessed 2026-10-23. 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 Rhizomium 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.

Rhizomium Foundation down — hundreds of funders to go?

Want AI to do this for you?