Funding search · EIN 542013543 · Middleburg, VA
Proteus Foundation
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 100
- grants reported
- $1.9M
- total given
- 2021–2024
- filing years
- $5,000
- median grant
Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
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Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
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Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- Community Foundation of Central Blue Ridge4 grants · $512,500
- Sweetwater Center for Arts4 grants · $180,000
- Center for Open Science4 grants · $150,000
- Green Forests Work4 grants · $125,000
- California Institute for Machine Consciousness1 grant · $100,000
- Santa Fe Institute4 grants · $100,000
- Mediators Foundation2 grants · $75,000
- Massachusetts Institute of Technology3 grants · $75,000
- Fern Hollow Nature Center2 grants · $55,000
- MIT Free Speech Alliance4 grants · $40,000
Giving over time
Grant history
All 100 reported grants, largest first.
- $265,000
Community Foundation of Central Blue Ridge · Staunton, VA · 2021
For scholarship fund and other community outreach programs
- $170,000
Community Foundation of Central Blue Ridge · Staunton, VA · 2022
For scholarship fund and other community outreach programs
- $100,000
California Institute for Machine Consciousness · San Francisco, CA · 2024
Support scientific research
- $87,500
Sweetwater Center for Arts · Sewickley, PA · 2023
Support arts center
- $50,000
Center for Open Science · Charlottesville, VA · 2024
Support scientific research
- $50,000
Community Foundation of Central Blue Ridge · Staunton, VA · 2024
For scholarship fund and other community outreach programs
- $50,000
Fern Hollow Nature Center · Sewickley, PA · 2024
Support enviromental educational programs
- $50,000
Center for Open Science · Charlottesville, VA · 2023
Support scientific research
- $50,000
Mediators Foundation · Boulder, CO · 2023
Support faces of x project
- $50,000
Green Forests Work · Hope, IN · 2022
Support appalachian environmental restoration projects
- $50,000
Sweetwater Center for Arts · Sewickley, PA · 2022
Support arts center
- $37,500
Sweetwater Center for Arts · Sewickley, PA · 2024
Support arts center
- $27,500
Community Foundation of Central Blue Ridge · Staunton, VA · 2023
For scholarship fund and other community outreach programs
- $25,000
American Shakespeare Center · Staunton, PA · 2024
Support theatre
- $25,000
Green Forests Work · Hope, IN · 2024
Support appalachian environmental restoration projects
- $25,000
Massachusetts Institute of Technology · Cambridge, MA · 2024
Support quest for intelligence project
- $25,000
Santa Fe Institute · Santa Fe, NM · 2024
Support interdisciplinary scientific research
- $25,000
Green Forests Work · Hope, IN · 2023
Support appalachian environmental restoration projects
- $25,000
Massachusetts Institute of Technology · Cambridge, MA · 2023
Support quest for intelligence project
- $25,000
Santa Fe Institute · Santa Fe, NM · 2023
Support interdisciplinary scientific research
- $25,000
Center for Open Science · Charlottesville, VA · 2022
Support scientific research
- $25,000
Massachusetts Institute of Technology · Cambridge, MA · 2022
Support quest for intelligence project
- $25,000
Mediators Foundation · Boulder, CO · 2022
Support faces of x project
- $25,000
Santa Fe Institute · Santa Fe, NM · 2022
Support interdisciplinary scientific research
- $25,000
Center for Open Science · Charlottesville, VA · 2021
Support scientific research
- $25,000
Green Forests Work · Lexington, KY · 2021
Support appalachian environmental restoration projects
- $25,000
MIT Brain and Cognitive Sciences · Cambridge, MA · 2021
Support quest for intelligence project
- $25,000
MIT Free Speech Alliance · Boston, MA · 2021
Support free speech
- $25,000
Santa Fe Institute · Santa Fe, NM · 2021
Support interdisciplinary scientific research
- $17,000
Shenandoah Green · Staunton, PA · 2024
Support tree stewart projects
- $16,000
Future Generations University · Franklin, WV · 2023
Support scientific research
- $15,000
The Lindsay Theater · Sewickley, PA · 2024
Support theater
- $10,000
Tree Pittsburgh · Pittsburgh, PA · 2024
Support urban forest growth
- $10,000
Radiant Hall · Pittsburgh, PA · 2023
Support art center
- $10,000
The Lindsay Theater · Sewickley, PA · 2023
Support theater
- $10,000
Tree Pittsburgh · Pittsburgh, PA · 2023
Support urban forest growth
- $10,000
Staunton Music Festival · Staunton, VA · 2022
Support the performance of chamber works throughout staunton
- $10,000
Tree Pittsburgh · Pittsburgh, PA · 2022
Support urban forest growth
- $10,000
Tree Pittsburgh · Pittsburgh, PA · 2021
Support urban forest growth
- $5,500
Wvls Allegheny Mountain Radio · Dunmore, WV · 2024
Support radio station
- $5,000
Allegheny Land Trust · Sewickley, PA · 2024
Support land conservation
- $5,000
Cochran Hose Company · Sewickley, PA · 2024
Support fire and rescue efforts
- $5,000
Heifetz Music Institute · Staunton, VA · 2024
Support music education
- $5,000
Highland Arts Council 3rd Space · Monterey, VA · 2024
Support arts council
- $5,000
Highland Children'S House · Monterey, VA · 2024
Support children's house
- $5,000
Highland County Humane Society · Monterey, VA · 2024
Support humane society
- $5,000
Highland County Volunteer Rescue Squad · Monterey, VA · 2024
Support rescue efforts
- $5,000
Highland Medical Center · Monterey, VA · 2024
Support county health care
- $5,000
Historic Staunton Foundation · Staunton, VA · 2024
Support historic resources
- $5,000
McDowell Volunteer Fire Department · McDowell, VA · 2024
Support fire and rescue efforts
- $5,000
MIT Free Speech Alliance · Cambridge, MA · 2024
Support free speech
- $5,000
Radiant Hall · Pittsburgh, PA · 2024
Support art center
- $5,000
Renewing Homes of Greater Augusta · Staunton, VA · 2024
Support home repairs in community
- $5,000
Sewickley Academy · Sewickley, PA · 2024
Support private school
- $5,000
Sewickley Public Library · Sewickley, PA · 2024
Support public library
- $5,000
Staunton Augusta Arts Center · Staunton, PA · 2024
Support arts council
- $5,000
Staunton Music Festival · Staunton, VA · 2024
Support the performance of chamber works throughout staunton
- $5,000
Allegheny Land Trust · Sewickley, PA · 2023
Support land conservation
- $5,000
American Red Cross · Washington, DC · 2023
Support disaster relief
- $5,000
Fern Hollow Nature Center · Sewickley, PA · 2023
Support enviromental educational programs
- $5,000
Heifetz Music Institute · Staunton, VA · 2023
Support music education
- $5,000
Highland Arts Council 3rd Space · Monterey, VA · 2023
Support arts council
- $5,000
Highland Children'S House · Monterey, VA · 2023
Support children's house
- $5,000
Highland County Humane Society · Monterey, VA · 2023
Support humane society
- $5,000
Highland County Volunteer Rescue Squad · Monterey, VA · 2023
Support rescue efforts
- $5,000
Highland Medical Center · Monterey, VA · 2023
Support county health care
- $5,000
Historic Staunton Foundation · Staunton, VA · 2023
Support historic resources
- $5,000
McDowell Volunteer Fire Department · McDowell, VA · 2023
Support fire and rescue efforts
- $5,000
MIT Free Speech Alliance · Cambridge, MA · 2023
Support free speech
- $5,000
Renewing Homes of Greater Augusta · Staunton, VA · 2023
Support home repairs in community
- $5,000
Sewickley Public Library · Sewickley, PA · 2023
Support public library
- $5,000
Staunton Augusta Arts Center · Staunton, PA · 2023
Support arts council
- $5,000
Staunton Music Festival · Staunton, VA · 2023
Support the performance of chamber works throughout staunton
- $5,000
Allegheny Land Trust · Sewickley, PA · 2022
Support land conservation
- $5,000
American Red Cross · Washington, DC · 2022
Support disaster relief
- $5,000
Heifetz Music Institute · Staunton, VA · 2022
Support music education
- $5,000
Highland Arts Council 3rd Space · Monterey, VA · 2022
Support arts council
- $5,000
Highland Children'S House · Monterey, VA · 2022
Support children's house
- $5,000
Highland County Volunteer Rescue Squad · Monterey, VA · 2022
Support rescue efforts
- $5,000
Highland Medical Center · Monterey, VA · 2022
Support county health care
- $5,000
Historic Staunton Foundation · Staunton, VA · 2022
Support historic resources
- $5,000
McDowell Volunteer Fire Department · McDowell, VA · 2022
Support fire and rescue efforts
- $5,000
MIT Free Speech Alliance · Cambridge, MA · 2022
Support free speech
- $5,000
Renewing Homes of Greater Augusta · Staunton, VA · 2022
Support home repairs in community
- $5,000
Sewickley Public Library · Sewickley, PA · 2022
Support public library
- $5,000
Allegheny Land Trust · Sewickley, PA · 2021
Support land conservation
- $5,000
American Red Cross · Charlottesville, VA · 2021
Support disaster relief
- $5,000
Fralin Biomedical Research Institute at Virginia Tech Carillion · Roanoke, VA · 2021
Support higher education
- $5,000
Heifetz Institute · Staunton, VA · 2021
Support music education
- $5,000
Highland Children'S House · Monterey, VA · 2021
Support children's house
- $5,000
Highland County Humane Society · Monterey, VA · 2021
Support human society
- $5,000
Highland County Volunteer Rescue Squad · Monterey, VA · 2021
Support rescue efforts
- $5,000
Highland Medical Center · Monterey, VA · 2021
Support county health care
- $5,000
Historic Staunton Foundation · Staunton, VA · 2021
Support historic resources
- $5,000
Mc Dowell Volunteer Fire Department · Doe Hill, VA · 2021
Support fire and rescue efforts
- $5,000
Sewickley Public Library · Sewickley, PA · 2021
Support public library
- $5,000
Staunton Augusta Arts Council · Staunton, VA · 2021
Support arts council
- $5,000
Staunton Music Festival · Staunton, VA · 2021
Support the performance of chamber works throughout staunton
- $5,000
Sweetwater Center for Arts · Sewickley, PA · 2021
Support arts center
- $5,000
Wmrawemc Radio · Harrisonburg, VA · 2021
Support community focused broadcast programs
Who else funds this kind of work
Same state
- US Committee for Refugees and429 grants · $685.5M
- Donors Trust2,393 grants · $871.1M
- George Mason University Foundation46 grants · $399.9M
Similar purposes
- The Ayco Charitable Foundation15,303 grants · $2.05B
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Gs Donor Advised Philanthropy Fund19,135 grants · $6.79B
Similar grant size
- Enterprise Holdings Foundation30,880 grants · $360.4M
- State Employees Credit Union Foundation7,131 grants · $63.0M
- Seattle Foundation14,012 grants · $457.3M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

