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Proteus Foundation

Private foundation · Grantmaker Middleburg, VA EIN: 54-2013543 Website

Proteus Foundation is a private foundation based in Middleburg, Virginia. Its 2025 filing reports $520,000 in grants to 30 recipients, supporting activities that include scientific research, conservation and environmental education, arts, theatre, scholarships, and community programs.

Proteus Foundation at a glance

In short: Proteus Foundation gave $520K across 30 grants in 2025 (avg $17K), top state Pennsylvania. 17% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$520,000
+25.0% vs 2024
Grants made (2025)
30
+11.1% vs 2024
Average grant
$17,333
+12.5% vs 2024
Median grant
$5,000
Total assets
$8,609,702
-0.7% vs 2024
New grantees (estimate)
17% first-time grantees (5 of 30, 2025)
Primary geography
Pennsylvania (35% 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 Proteus Foundation

How to Apply

Submit a written request to Celia W Rutt that includes details of the purpose and established need. The filing states there are no restrictions on awards.

Review Cycle
None stated.
Deadline
None stated.
Contact

Application contact: Celia W Rutt
Mailing address: C/O Yount Hyde Barbour Pc PO Box, 2560, Winchester, VA 22604
Phone: (540) 662-3417

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

Who Proteus Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

California Institute for Machine Consciousness: $100KCalifornia Institute forMachine Consciousness$100KCenter for Open Science: $50KCenter for Open Science$50KCommunity Foundation of Central Blue Ridge: $50KCommunity Foundation ofCentral Blue Ridge$50KFern Hollow Nature Center: $50KFern Hollow Nature Center$50KSweetwater Center for Arts: $38KSweetwater Center for Arts$38KAmerican Shakespeare Center: $25KAmerican Shakespeare Center$25KGreen Forests Work: $25KGreen Forests Work$25KMassachusetts Institute of Technology: $25KMassachusetts Institute ofTechnology$25KSanta Fe Institute: $25KSanta Fe Institute$25KShenandoah Green: $17KShenandoah Green$17K

The largest 2025 recipient was California Institute for Machine Consciousness ($100K). Together the top 10 received $405K.

Grant Size Distribution

125 grants across all recorded years

111<$50K10$50–100K3$100–250K1$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 111 grants of 125 (89%).

Geographic Focus

Where this funder awards grants

The foundation’s 2023 filing identifies Highland County and Staunton, Virginia, and Pittsburgh, Pennsylvania, as places where it supports local charities. Its 2025 grant dollars were reported as going to recipients in Pennsylvania (35%), Virginia (29%), California (19%), Massachusetts (6%), and Indiana (5%).

Grant Distribution by State

10states

Share of 2025 grant dollars across all 30 itemized grants.

Cities

StauntonMontereySewickleyPittsburghCharlottesvilleCambridgeSanta FeMcDowellHarrisonburgHopeBlacksburgBostonBoulderEncinitasWashingtonCoronaDoe HillDunmoreFairfaxFranklin

Is Proteus Foundation open to new grantees?

17%

first-time grantees, 2025

In 2025, 5 of 30 grantees (17%) were first-time recipients. First grants averaged $27K; repeat grants $16K. How we count

Medians: $6K first-time, $5K repeat.

  • 80% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (+9%). Method
  • In 2025 it paid out 105% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). 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

$0$200K$400K$600K23 grants2020 25 grants2021 22 grants2022 21 grants2023 27 grants2024 30 grants2025

From 2020 to 2025, annual grant giving ranged from $416K (2024) to $520K (2025). In 2025 it made 30 grants totaling $520K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
California Institute for Machine Consciousness San Francisco, CASupport Scientific Research$100,000
Center for Open Science Charlottesville, VASupport Scientific Research$50,000
Community Foundation of Central Blue Ridge Staunton, VAFor Scholarship Fund and Other Community Outreach Programs$50,000
Fern Hollow Nature Center Sewickley, PASupport Enviromental Educational Programs$50,000
Sweetwater Center for Arts Sewickley, PASupport Arts Center$37,500
American Shakespeare Center Staunton, PASupport Theatre$25,000
Green Forests Work Hope, INSupport Appalachian Environmental Restoration Projects$25,000
Massachusetts Institute of Technology Cambridge, MASupport Quest for Intelligence Project$25,000
Santa Fe Institute Santa Fe, NMSupport Interdisciplinary Scientific Research$25,000
Shenandoah Green Staunton, PASupport Tree Stewart Projects$17,000
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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$8,609,702$587,892$648,027$520,00030$520,000$486,547$495,773
2024$8,669,837$1,179,832$525,387$416,00027$416,000$1,088,248$464,326
2023$8,015,392$517,637$553,398$450,00021$450,000$431,136$444,133
2022$8,051,153$616,364$604,588$475,00022$475,000$523,191$465,294
2021$8,039,377$1,022,732$611,183$479,00025—$904,779$474,392
2020$7,627,828$315,113$555,584$442,50023—$223,890$435,671

Under IRS private-foundation payout rules, Proteus Foundation reported a distributable amount of $496K for 2025 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

The foundation’s 2023 filing states that it supports local charities in Highland County, Virginia; Staunton, Virginia; and Pittsburgh, Pennsylvania, and promotes conservation programs and activities. It also describes computer programming in support of academic research on complex adaptive systems, with plans to publish scientific papers on the findings once the work is complete.

Its 2025 grants show support for scientific research, environmental education and restoration, arts and theatre, tree projects, scholarships, and community outreach. Among the organizations it funded, Fern Hollow Nature Center describes its mission as operating an environmental education center and conducting related educational activities. The Santa Fe Institute describes itself as a transdisciplinary research community focused on fundamental principles in complex systems. Sewickley Public Library says its mission is to provide lifelong learning opportunities to children and adults in its community.

Grantmaking

In 2025, the foundation gave 30 grants totaling $520,000. Grants ranged from $5,000 to $100,000, with a median grant of $5,000. The largest awards included $100,000 to the California Institute for Machine Consciousness for scientific research; $50,000 each to the Center for Open Science for scientific research, the Community Foundation of Central Blue Ridge for a scholarship fund and other community outreach programs, and Fern Hollow Nature Center for environmental education programs; and $37,500 to Sweetwater Center for Arts to support its arts center.

The 2023 filing says the foundation does not restrict giving to preselected organizations. It requests a written request detailing the purpose and established need; the filing states there are no restrictions on awards.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists James P Rutt, Celia W Rutt, and Kathleen Walker as directors.

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

Officers on the 2025 filing

  • Celia W. Rutt

    Director

    On filings since 2020

    10 hrs/week

    No compensation reported

  • James P. Rutt

    Director

    On filings since 2020

    5 hrs/week

    No compensation reported

  • Kathleen Walker

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "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 Proteus Foundation

How much does Proteus Foundation give each year?

Proteus Foundation gave $520K across 30 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $416K across 27 grants.

What is Proteus Foundation's typical grant size?

Proteus Foundation's median grant in 2025 was $5,000, and its average grant was $17,333, across 30 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Proteus Foundation that year got $27K on average.

Where does Proteus Foundation give grants?

Proteus Foundation's top state is Pennsylvania, with 35% of the grant dollars itemized on its 2025 IRS Form 990-PF. The next largest states were Virginia (29%) and California (19%). The most frequent recipient cities were Sewickley, PA (7 grants), Staunton, VA (5 grants), Monterey, VA (5 grants) and Staunton, PA (3 grants).

Does Proteus Foundation give general operating support?

Not in 2025: none of the 30 grants with a stated purpose on Proteus Foundation's 2025 IRS Form 990-PF were described as general or operating support.

Who are Proteus Foundation's largest grantees?

Proteus Foundation's largest 2025 grantees include California Institute for Machine Consciousness ($100,000), Center for Open Science ($50,000) and Community Foundation of Central Blue Ridge ($50,000), according to its 2025 IRS Form 990-PF. Together they received 38% of its itemized 2025 grant dollars.

How large is Proteus Foundation?

Proteus Foundation reported $8.6M in total assets on its 2025 IRS Form 990-PF. It paid out $520K in qualifying distributions that year, against a required minimum of $496K (roughly 5% of its investment assets).

What does Proteus Foundation fund?

The foundation’s 2023 filing states that it supports local charities in Highland County, Virginia; Staunton, Virginia; and Pittsburgh, Pennsylvania, and promotes conservation programs and activities. See mission & focus areas ↑

How do I apply for a grant from Proteus Foundation?

Submit a written request to Celia W Rutt that includes details of the purpose and established need. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Proteus Foundation's EIN?

Proteus Foundation's EIN (Employer Identification Number) is 54-2013543. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS March 8, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS January 27, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS January 25, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS January 29, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS January 28, 2025)
  6. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 2, 2026)
  7. IRS filings on file for fiscal years 2020–2025

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Cite this profile

Grantable. (2026). Proteus Foundation funder profile. GrantGraph. Retrieved October 10, 2026, from https://grantable.co/funders/proteus-foundation-morg_1ffb9cef73a543b78878ead2ad6bfd70

BibTeX
@misc{grantable_542013543_2026,
  author       = {{Grantable}},
  title        = {{Proteus Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/proteus-foundation-morg_1ffb9cef73a543b78878ead2ad6bfd70},
  note         = {Accessed 2026-10-10. 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 Proteus 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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