Data / Foundation grants / Proteus Foundation
Proteus Foundation: 30 grants to organizations, $520,000 (tax year ended September 2025)
Proteus Foundation, a private foundation in Middleburg, VA, paid 30 grants to organizations totaling $520,000 in its tax year ended September 2025, according to its Form 990-PF filed with the IRS on February 2, 2026. The largest was $100,000 to California Institute for Machine Consciousness in San Francisco, CA for support scientific research.
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- EIN
- 542013543
- Based in
- Middleburg, VA
- Assets
- $10,140,713
- Grants paid
- $520,000
- Tax year ended
- September 2025
Grants paid, tax year ended September 2025
From the Form 990-PF filed February 2, 2026, IRS object ID 202620339349100962. It reported $520,000 in grants paid; 30 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| California Institute for Machine Consciousness | San Francisco, CA | Support scientific research | $100,000 | apps.irs.gov | |
| Center for Open Science | Charlottesville, VA | Support scientific research | $50,000 | apps.irs.gov | |
| Community Foundation of Central Blue Ridge | Staunton, VA | For scholarship fund and other community outreach programs | Philanthropy, voluntarism and grantmaking foundations | $50,000 | apps.irs.gov |
| Fern Hollow Nature Center | Sewickley, PA | Support enviromental educational programs | Environment | $50,000 | apps.irs.gov |
| Sweetwater Center for Arts | Sewickley, PA | Support arts center | $37,500 | apps.irs.gov | |
| American Shakespeare Center | Staunton, PA | Support theatre | $25,000 | apps.irs.gov | |
| Green Forests Work | Hope, IN | Support appalachian environmental restoration projects | $25,000 | apps.irs.gov | |
| Massachusetts Institute of Technology | Cambridge, MA | Support quest for intelligence project | Education | $25,000 | apps.irs.gov |
| Santa Fe Institute | Santa Fe, NM | Support interdisciplinary scientific research | Science and technology | $25,000 | apps.irs.gov |
| Shenandoah Green | Staunton, PA | Support tree stewart projects | $17,000 | apps.irs.gov | |
| The Lindsay Theater | Sewickley, PA | Support theater | $15,000 | apps.irs.gov | |
| Tree Pittsburgh | Pittsburgh, PA | Support urban forest growth | $10,000 | apps.irs.gov | |
| WVLS Allegheny Mountain Radio | Dunmore, WV | Support radio station | $5,500 | apps.irs.gov | |
| Allegheny Land Trust | Sewickley, PA | Support land conservation | $5,000 | apps.irs.gov | |
| Cochran Hose Company | Sewickley, PA | Support fire and rescue efforts | Public safety, disaster preparedness and relief | $5,000 | apps.irs.gov |
| Heifetz Music Institute | Staunton, VA | Support music education | $5,000 | apps.irs.gov | |
| Highland Arts Council 3RD Space | Monterey, VA | Support arts council | $5,000 | apps.irs.gov | |
| Highland Children's House | Monterey, VA | Support children's house | $5,000 | apps.irs.gov | |
| Highland County Humane Society | Monterey, VA | Support humane society | Animal-related | $5,000 | apps.irs.gov |
| Highland County Volunteer Rescue Squad Inc | Monterey, VA | Support rescue efforts | $5,000 | apps.irs.gov | |
| Highland Medical Center | Monterey, VA | Support county health care | Health care | $5,000 | apps.irs.gov |
| Historic Staunton Foundation | Staunton, VA | Support historic resources | $5,000 | apps.irs.gov | |
| McDowell Volunteer Fire Department | McDowell, VA | Support fire and rescue efforts | $5,000 | apps.irs.gov | |
| Mit Free Speech Alliance | Cambridge, MA | Support free speech | Civil rights, social action and advocacy | $5,000 | apps.irs.gov |
| Radiant Hall | Pittsburgh, PA | Support art center | $5,000 | apps.irs.gov | |
| Renewing Homes of Greater Augusta Inc | Staunton, VA | Support home repairs in community | Community improvement and capacity building | $5,000 | apps.irs.gov |
| Sewickley Academy | Sewickley, PA | Support private school | Education | $5,000 | apps.irs.gov |
| Sewickley Public Library | Sewickley, PA | Support public library | Education | $5,000 | apps.irs.gov |
| Staunton Augusta Arts Center | Staunton, PA | Support arts council | $5,000 | apps.irs.gov | |
| Staunton Music Festival | Staunton, VA | Support the performance of chamber works throughout staunton | $5,000 | apps.irs.gov |
Grants paid, tax year ended September 2024
From the Form 990-PF filed January 28, 2025, IRS object ID 202500289349100505. It reported $416,000 in grants paid; 27 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Sweetwater Center for Arts | Sewickley, PA | Support arts center | $87,500 | apps.irs.gov | |
| Center for Open Science | Charlottesville, VA | Support scientific research | $50,000 | apps.irs.gov | |
| Mediators Foundation | Boulder, CO | Support faces of x project | International, foreign affairs and national security | $50,000 | apps.irs.gov |
| Community Foundation of Central Blue Ridge | Staunton, VA | For scholarship fund and other community outreach programs | Philanthropy, voluntarism and grantmaking foundations | $27,500 | apps.irs.gov |
| Green Forests Work | Hope, IN | Support appalachian environmental restoration projects | $25,000 | apps.irs.gov | |
| Massachusetts Institute of Technology | Cambridge, MA | Support quest for intelligence project | Education | $25,000 | apps.irs.gov |
| Santa Fe Institute | Santa Fe, NM | Support interdisciplinary scientific research | Science and technology | $25,000 | apps.irs.gov |
| Future Generations University | Franklin, WV | Support scientific research | Education | $16,000 | apps.irs.gov |
| Radiant Hall | Pittsburgh, PA | Support art center | $10,000 | apps.irs.gov | |
| The Lindsay Theater | Sewickley, PA | Support theater | $10,000 | apps.irs.gov | |
| Tree Pittsburgh | Pittsburgh, PA | Support urban forest growth | $10,000 | apps.irs.gov | |
| Allegheny Land Trust | Sewickley, PA | Support land conservation | $5,000 | apps.irs.gov | |
| American Red Cross | Washington, DC | Support disaster relief | $5,000 | apps.irs.gov | |
| Fern Hollow Nature Center | Sewickley, PA | Support enviromental educational programs | Environment | $5,000 | apps.irs.gov |
| Heifetz Music Institute | Staunton, VA | Support music education | $5,000 | apps.irs.gov | |
| Highland Arts Council 3RD Space | Monterey, VA | Support arts council | $5,000 | apps.irs.gov | |
| Highland Children's House | Monterey, VA | Support children's house | $5,000 | apps.irs.gov | |
| Highland County Humane Society | Monterey, VA | Support humane society | Animal-related | $5,000 | apps.irs.gov |
| Highland County Volunteer Rescue Squad Inc | Monterey, VA | Support rescue efforts | $5,000 | apps.irs.gov | |
| Highland Medical Center | Monterey, VA | Support county health care | Health care | $5,000 | apps.irs.gov |
| Historic Staunton Foundation | Staunton, VA | Support historic resources | $5,000 | apps.irs.gov | |
| McDowell Volunteer Fire Department | McDowell, VA | Support fire and rescue efforts | $5,000 | apps.irs.gov | |
| Mit Free Speech Alliance | Cambridge, MA | Support free speech | Civil rights, social action and advocacy | $5,000 | apps.irs.gov |
| Renewing Homes of Greater Augusta Inc | Staunton, VA | Support home repairs in community | Community improvement and capacity building | $5,000 | apps.irs.gov |
| Sewickley Public Library | Sewickley, PA | Support public library | Education | $5,000 | apps.irs.gov |
| Staunton Augusta Arts Center | Staunton, PA | Support arts council | $5,000 | apps.irs.gov | |
| Staunton Music Festival | Staunton, VA | Support the performance of chamber works throughout staunton | $5,000 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Education | $81,000 |
| Philanthropy, voluntarism and grantmaking foundations | $77,500 |
| Environment | $55,000 |
| Science and technology | $50,000 |
| International, foreign affairs and national security | $50,000 |
| Animal-related | $10,000 |
| Health care | $10,000 |
| Civil rights, social action and advocacy | $10,000 |
States funded
| Recipient state | Granted |
|---|---|
| Pennsylvania | $322,000 |
| Virginia | $277,500 |
| California | $100,000 |
| Massachusetts | $60,000 |
| Indiana | $50,000 |
| New Mexico | $50,000 |
| Colorado | $50,000 |
| West Virginia | $21,500 |
Also on SpecStream
- Who funds philanthropy, voluntarism and grantmaking foundations in Virginia
- Who funds environment in Pennsylvania
- Who funds education in Massachusetts
- Who funds science and technology in New Mexico
- Who funds international, foreign affairs and national security in Colorado
- Who funds education in West Virginia
Updated February 2, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.