Private foundation · Santa Rosa, CA

Riverstyx Foundation

View org profile →Find similar funders →Invitation only
Typical grant size
$5K – $10K – $36K
25th · median · 75th percentile
Unique recipients
149
Repeat grantees
63
funded 2+ years

Application procedures · from 2024 990-PF

Leadership · from 2024 990-PF

T Cody Swift
President
Miriam Volat
Secretary
Kevin Bayuk
Treasurer
James L Swift
PRESIDENT
Steve Brinn
SECRETARY
Don R Carlin
TREASURER

Source: IRS Form 990-PF, Part VII. Officers, directors, and trustees as reported by the foundation.

Payout rate · TY 2024
18.4%
grants paid ÷ assets · ~5% IRS minimum
'17
'18
'19
'20
'21
'22
'23
'24
532
Total grants awarded
$16.7M
Total amount
$31K
Average grant
$668K
Largest grant

Giving by year

2024
$1.2M
47 grants
2023
$2.2M
60 grants
2022
$799K
25 grants
2021
$1.2M
35 grants
2020
$1.8M
47 grants
2019
$2.5M
81 grants
2018
$1.7M
54 grants
2017
$1.7M
61 grants
2016
$1.7M
59 grants
2015
$1.8M
63 grants

Top recipients

4 grants · CA · ≈ likely match
$1.2M
47 grants · WI
$1.2M
6 grants · NM · ✓ Exact match
$1.0M
Maps
4 grants · CA
$879K
8 grants · WA · ✓ Exact match
$610K
2 grants · CA · ✓ Exact match
$452K
3 grants · NY · ✓ Exact match
$325K
5 grants · WA · ≈ likely match
$313K
3 grants · CA · ✓ Exact match
$303K
2 grants · CO · ✓ Exact match
$277K

Recipient names are as reported on the 990-PF. ✓ Exact match = EIN matched to IRS records by exact name + state; ≈ likely match = EIN inferred from a closely similar name. The recipient EIN is never stated on the form — it is DoubleNine’s match.

Recent grants · most recent filings first

Lakota Prayer Lodge
MO · TY 2024
$183K
General Support
TY 2024
$82K
General Support
GA · TY 2024
$80K
Seed Funding Coordinating Research, Education, and Outreach exploring psychedelics for physiological illnesses
VA · TY 2024
$52K
Xyrem for Cluster Headache Research
NY · TY 2024
$50K
general support
TX · TY 2024
$50K
Huachuma Collective - Huachuma/San Pedro Conservation in Peru
CA · TY 2024
$50K
Psilocybin and Alzheimer's Study
NY · TY 2024
$50K
Coca Leaf Advocacy Work in the World Health Organization (100k pledge)
TY 2024
$50K
General Support
CA · TY 2024
$40K
City Bicycle Infrastructure Planning
CA · TY 2024
$40K
Effort to keep DOI/DOC from being scheduled
DC · TY 2024
$35K
research support
CA · TY 2024
$35K
Oregon and Colorado Psilocybin Implementation
OR · TY 2024
$30K
General Support
CA · TY 2024
$26K
WA Statewide Mediation Advocacy
WA · TY 2024
$25K
Communities of Color Psilocybin Service Center Development in OR
OR · TY 2024
$25K
Environmental Activist Psilocybin Retreat (EARTH)
OR · TY 2024
$23K
Riverstyx Foundation BIPOC Diversity Scholarship
CA · TY 2024
$22K
Protecting Dark Night Skies from Light Pollution
AZ · TY 2024
$20K
Psilocybin Pilot Program for Environmental Scientists
NY · TY 2024
$17K
Therapist funding support for the psilocybin advanced cancer study funded by NCI
NY · TY 2024
$15K
2025 Coca Leaf Conference
CA · TY 2024
$15K
Water Sustainability Design
CA · TY 2024
$15K
Legal Work Challenging Egregious Ayahuasca Patents
WI · TY 2024
$14K
Supporting Indigenous Shipibo people in protection of the Peruvian Amazon
TY 2024
$13K
Veterans Advocacy
CA · TY 2024
$13K
General Support
CA · TY 2024
$13K
Zen Firefighter Retreat
NY · TY 2024
$11K
Psychedelic Health Equity Initiative
WA · TY 2024
$10K
Portia Sofia
CA · TY 2024
$10K
Fibromyalgia Study
OR · TY 2024
$10K
Psychedelic Conference NY
NY · TY 2024
$10K
General Support
LA · TY 2024
$10K
Indigenous Community Assessment - Coca Leaf
CA · TY 2024
$10K
Women's Psychedelic Conference
CA · TY 2024
$8K
San Quentin Prison Education
CA · TY 2024
$6K
General Operating Support for Urban Natives in NY
NY · TY 2024
$5K
General Support
NM · TY 2024
$5K
MAP Program Existential-Phenomenological Psychology
WA · TY 2024
$5K
Psychedelic Chaplaincy Support
IL · TY 2024
$5K
Conservation in the Amazon Rainforest
CA · TY 2024
$5K
Conference Support
CA · TY 2024
$3K
2025 Conference Support
GA · TY 2024
$2K
Din Youth Conference Support
AZ · TY 2024
$2K
General Support
CA · TY 2024
$2K
Conference Event Sponsorship: Psychedelic Assisted Therapies in Palliative Care
CA · TY 2024
$1K
Indigenous Medicine Conservation Fund
DONATION
CA · TY 2023
$352K
Footloose Montana
DONATION
MT · TY 2023
$115K
Discovery House (zwiski Foundation)
DONATION
CO · TY 2023
$100K

Source: IRS Form 990-PF, Part XV. Up to 50 most recent grants shown.