Funders › WA › Riverstyx Foundation › 2023
Grants paid by Riverstyx Foundation, tax year 2023
EIN 94-3373712 · Santa Rosa, WA · Form 990-PF, Part XV · NTEE A31
In tax year 2023, Riverstyx Foundation (EIN 94-3373712) reported 60 grants paid totaling $2,185,105. Dataset version 2026.09.0, built 2026-09-03.
Every grant, 2023
| Tax year | Recipient | Match | Amount | Type | Purpose | Source filing |
|---|---|---|---|---|---|---|
| 2023 | Indigenous Medicine Conservation Fund Santa Rosa, CA | B | $352,000 | paid | DONATION | 202423209349102872 |
| 2023 | Footloose Montana Missoula, MT | B | $115,000 | paid | DONATION | 202423209349102872 |
| 2023 | Discovery House (zwiski Foundation) Denver, CO | U | $100,000 | paid | DONATION | 202423209349102872 |
| 2023 | Northern Rockies Consevation Cooperative Jackson, WY | C | $100,000 | paid | DONATION | 202423209349102872 |
| 2023 | Wolf Haven International Tenino, WA | B | $100,000 | paid | DONATION | 202423209349102872 |
| 2023 | Living With Wolves Sun Valley, ID | D | $100,000 | paid | DONATION | 202423209349102872 |
| 2023 | Ligare Inc Savannah, GA | B | $82,000 | paid | DONATION | 202423209349102872 |
| 2023 | Colorado State University Fort Collins, CO | U | $75,000 | paid | DONATION | 202423209349102872 |
| 2023 | California Wolf Center Julian, CA | B | $75,000 | paid | DONATION | 202423209349102872 |
| 2023 | Maps Scotts Valley, CA | U | $70,000 | paid | DONATION | 202423209349102872 |
| 2023 | Beloved Builders North Hampton, MA | C | $65,000 | paid | DONATION | 202423209349102872 |
| 2023 | Western Watersheds Project Hailey, ID | B | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Johns Hopkins University Development Buffalo, NY | U | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Trap Free Montana Hamilton, MT | B | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Clusterbusters Inc Richmond, VA | C | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Predator Defense Eugene, OR | B | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Yellowstone Ecological Research Center Bozeman, MT | U | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | National Wildlife Federation Reston, VA | B | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Endangered Wolf Center Eureka, MO | U | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Wyoming Untrapped Jackson, WY | B | $50,000 | paid | DONATION | 202423209349102872 |
| 2023 | Dana Farber Cancer Institute Brookline, MA | C | $47,000 | paid | DONATION | 202423209349102872 |
| 2023 | Advocates for the West Boise, ID | B | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | Pilots to Rescue Brooklyn, NY | D | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | Rangeland Wild Indian Hills, CO | U | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | Wolves of the Rockies Stevensville, MT | B | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | Washington Innocence Project Seattle, WA | B | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | The International Wildlife Coexistence Network Garden City, ID | B | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | Idaho Conservation League Boise, ID | B | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | Lighthawk Conservation Aviation Denver, CO | U | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | People and Carnivores Bozeman, MT | B | $25,000 | paid | DONATION | 202423209349102872 |
| 2023 | Erowid Center Grass Valley, CA | B | $20,000 | paid | DONATION | 202423209349102872 |
| 2023 | Healing Advocacy Fund Portland, OR | U | $20,000 | paid | DONATION | 202423209349102872 |
| 2023 | International Dark Sky Association Tucson, AZ | B | $15,000 | paid | DONATION | 202423209349102872 |
| 2023 | Tto - Tiognaka Tawowakan Otokahe Rapid City, SD | U | $12,840 | paid | DONATION | 202423209349102872 |
| 2023 | Alma Institute Portland, OR | B | $11,750 | paid | DONATION | 202423209349102872 |
| 2023 | Urban Indigeneous Collective New York, NY | C | $10,000 | paid | DONATION | 202423209349102872 |
| 2023 | Wings Program Corvallis, MT | D | $10,000 | paid | DONATION | 202423209349102872 |
| 2023 | Indigenous Peyote Conservation Initiative Hebbronville, TX | U | $10,000 | paid | DONATION | 202423209349102872 |
| 2023 | Skagit Animals in Need Mount Vernon, WA | B | $10,000 | paid | DONATION | 202423209349102872 |
| 2023 | Whatcom Humane Society Bellingham, WA | B | $10,000 | paid | DONATION | 202423209349102872 |
| 2023 | Psychedelic Science Founders Collaborative San Francisco, CA | U | $10,000 | paid | DONATION | 202423209349102872 |
| 2023 | The Church of Sacred Mirrors Cosm Wappinger, NY | D | $6,500 | paid | DONATION | 202423209349102872 |
| 2023 | Prision University Project San Rafel, CA | U | $6,000 | paid | DONATION | 202423209349102872 |
| 2023 | Botanical Dimension Occidental, CA | U | $6,000 | paid | DONATION | 202423209349102872 |
| 2023 | Planet Work Fbo Lucid News San Francisco, CA | U | $5,015 | paid | DONATION | 202423209349102872 |
| 2023 | President Fellows of Harvard College Cambridge, MA | D | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Seattle University Map Program Seattle, WA | D | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Red Lodge Portland, OR | U | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Upaya Zen Center Santa Fe, NM | B | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Telele Foundation Grovland, CA | C | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Stitchting Open UTRECHT | U | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | San Francisco Zen Center New York, NY | U | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Horizon Center Pbc New York, NY | U | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Pachamama Alliance San Francisco, CA | B | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Ecology Action of Santa Cruz Santa Cruz, CA | B | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Chacruna Institute San Francisco, CA | U | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | Homeless Garden Project Santa Cruz, CA | B | $5,000 | paid | DONATION | 202423209349102872 |
| 2023 | International Society for Research On Ps Atlanta, GA | C | $2,500 | paid | DONATION | 202423209349102872 |
| 2023 | Interfaith Rainforest Initiative New York, NY | U | $2,500 | paid | DONATION | 202423209349102872 |
| 2023 | Hospice & Palliative Nurses Foundation Carnegie, PA | B | $1,000 | paid | DONATION | 202423209349102872 |
Match tier: A Reported EIN · B Exact name and place · C Strong name match · D Probable name match · U Unresolved. Tiers C and D are inferred, not reported; see how matching works.
Recipient matching for this dataset version has not yet completed its independent precision check. Tier A rows carry the EIN the filer reported; tiers B–D are the matcher's inference and should be read as leads until the check is published on the methodology page.
Derived from IRS Form 990-PF e-file XML. Dataset version 2026.09.0, built 2026-09-03. All years for this funder.
The same organization elsewhere in the program: exempt status and filing health · federal awards · grant guidance · open opportunities.
This is informational only, derived from public data on the dates shown. It is not an eligibility determination, and not legal, tax, or accounting advice. Verify against the official source before relying on it.