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Form 990-PFTax year 2024EIN 94-3373712

Riverstyx Foundation

A private foundation in Santa Rosa, CA. Its return for tax year 2024 lists 47 grants and $1.2 million paid in grants.

See which foundations fund work like yours Matching by cause, place and grant size

Tax year 2024 (period ending Dec 31, 2024), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests.

Assets and giving by year

7 returns on file
Grants paid by tax year. The latest year is in blue.

  • Tax year 2024

    $1,200,458

    Grants listed
    47
    Assets, end of year
    $6,522,403

  • Tax year 2023

    $2,185,105

    Grants listed
    60
    Assets, end of year
    $7,357,247

  • Tax year 2022

    $798,650

    Grants listed
    25
    Assets, end of year
    $29,960,214

  • Tax year 2021

    $1,234,756

    Grants listed
    35
    Assets, end of year
    $29,180,355

  • Tax year 2020

    $1,762,150

    Grants listed
    47
    Assets, end of year
    $28,391,918

  • Tax year 2019

    $2,502,814

    Grants listed
    81
    Assets, end of year
    $26,835,706

  • Tax year 2018

    $1,691,430

    Grants listed
    54
    Assets, end of year
    $27,323,353

Grants paid in 2024

47 grants, largest first

As listed on the return. Grants to individuals show as “Individual”, with purpose and amount only.

  1. Youth PassagewaysKansas City, MO

    Lakota Prayer Lodge

    $183,000
  2. Individual

    General Support

    $82,000
  3. Ligare IncSavannah, GA

    General Support

    $80,000
  4. Clusterbusters IncRichmond, VA

    Seed Funding Coordinating Research, Education, and Outreach exploring psychedelics for physiological illnesses

    $52,000
  5. Johns Hopkins University DevelopmenBuffalo, NY

    Psilocybin and Alzheimer's Study

    $50,000
  6. Individual

    Huachuma Collective - Huachuma/San Pedro [individual] in Peru

    $50,000
  7. Stichting Transnational InstituteAmsterdam, Netherlands

    Coca Leaf Advocacy Work in the World Health Organization (100k pledge)

    $50,000
  8. Netherlands-America FoundationNew York, NY

    Xyrem for Cluster Headache Research

    $50,000
  9. Individual

    general support

    $50,000
  10. Ecology Action of Santa CruzSanta Cruz, CA

    City Bicycle Infrastructure Planning

    $40,000
  11. Fireside ProjectSan Francisco, CA

    General Support

    $40,000
  12. Individual

    Effort to keep DOI/DOC from being scheduled

    $35,000
  13. Individual

    research support

    $34,678
  14. Healing Advocacy FundDenver, CO

    Oregon and Colorado Psilocybin Implementation

    $30,000
  15. Individual

    General Support

    $26,000
  16. Alma InstitutePortland, OR

    Communities of Color Psilocybin Service Center Development in OR

    $25,000
  17. Individual

    WA Statewide Mediation Advocacy

    $25,000
  18. Bendable TherapyBend, OR

    Environmental Activist Psilocybin Retreat (EARTH)

    $23,480
  19. UC Berkeley Center for PsychedelicsBerkeley, CA

    Riverstyx Foundation BIPOC Diversity Scholarship

    $21,500
  20. International Dark Sky AssociationTucson, AZ

    Protecting Dark Night Skies from Light Pollution

    $20,000
  21. Individual

    Psilocybin Pilot Program for Environmental Scientists

    $17,300
  22. McKenna Academy OF NATURAL PHILOSOPSan Rafael, CA

    2025 Coca Leaf Conference

    $15,000
  23. Individual

    Therapist funding support for the psilocybin advanced cancer study funded by NCI

    $15,000
  24. Occidental Arts and Ecology CenterOccidental, CA

    Water Sustainability Design

    $15,000
  25. Usona Institute IncFitchburg, WI

    Legal Work Challenging Egregious Ayahuasca Patents

    $14,000
  26. chaikuni instituteIquitos, Peru

    Supporting Indigenous Shipibo people in protection of the Peruvian Amazon

    $13,000
  27. Healing BreakthroughSan Rafael, CA

    Veterans Advocacy

    $12,500
  28. Individual

    General Support

    $12,500
  29. San Francisco Zen CenterNew York, NY

    Zen Firefighter Retreat

    $11,000
  30. Horizon Center PBCNew York, NY

    Psychedelic Conference NY

    $10,000
  31. Individual

    [individual] Community Assessment - Coca Leaf

    $10,000
  32. LSU Health Sciences CenterNew Orleans, LA

    General Support

    $10,000
  33. Individual

    Fibromyalgia Study

    $10,000
  34. Individual

    Psychedelic Health Equity Initiative

    $10,000
  35. Individual

    Portia Sofia

    $10,000
  36. Women's Visionary CouncilBerkeley, CA

    Women's Psychedelic Conference

    $7,500
  37. Prision University ProjectSan Rafael, CA

    San Quentin Prison Education

    $6,000
  38. Pachamama AllianceSan Francisco, CA

    Conservation in the Amazon Rainforest

    $5,000
  39. Seattle University Map ProgramSeattle, WA

    MAP Program Existential-Phenomenological Psychology

    $5,000
  40. Individual

    General Operating Support for [individual] Natives in NY

    $5,000
  41. Individual

    Psychedelic [individual] Support

    $5,000
  42. Center for Action and ContemplationAlbuquerque, NM

    General Support

    $5,000
  43. Chacruna InstituteSan Francisco, CA

    Conference Support

    $2,500
  44. International Society for ResearchAtlanta, GA

    2025 Conference Support

    $2,000
  45. Individual

    Din [individual] Conference Support

    $2,000
  46. Love Serve Remember FoundationOjai, CA

    General Support

    $1,500
  47. coalition for compassionate care caSacramento, CA

    Conference Event Sponsorship: Psychedelic Assisted Therapies in Palliative Care

    $1,000

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Human services1 grant $183,00035% of the total
  2. Religion2 grants $81,50016% of the total
  3. Environment3 grants $60,00012% of the total
  4. Health1 grant $52,00010% of the total
  5. Mental health1 grant $40,0008% of the total
  6. Community development2 grants $32,5006% of the total
  7. 4 other causes4 grants $72,48014% of the total

By State

Grants to organizations with a US address, latest year.

  1. Missouri1 grant $183,000
  2. California12 grants $167,500
  3. New York4 grants $121,000
  4. Georgia2 grants $82,000
  5. Oregon3 grants $78,480
  6. Virginia1 grant $52,000
  7. Arizona1 grant $20,000
  8. Wisconsin1 grant $14,000
  9. Louisiana1 grant $10,000
  10. New Mexico1 grant $5,000

Officers, directors and trustees

3 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • T Cody SwiftPresident Hours 20Pay $0
  • Miriam VolatSecretary Hours 40Pay $0
  • Kevin BayukTreasurer Hours 17Pay $0

The return

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