SUBJECT-1000.dossier · institution · status: active
TF
subject of file

Tides Foundation

Major progressive donor-advised fund and fiscal sponsor
Tracked because Major progressive donor-advised fund and fiscal sponsor · 7 documented connections
Editorial summary · AI-drafted from public records

San Francisco-based public charity that operates as a fiscal sponsor and donor-advised fund for progressive causes. Manages $400M+ annually. Receives significant funding from Open Society Foundations. Acts as an intermediary allowing donors to fund causes without direct organizational affiliation. Has been criticized for opacity in donor-to-grantee fund flows.

Facts on record1
Connections mapped7
Sources cited6
✦ Thin coverage gap +19 connected to 7 entities · only 1 facts on record · flagged for follow-up research
Evidence: 1P
Network web → Timeline → Compare with… → Position Drift → Coverage tone → View on Graph → Export CSV JSON Dossier ← Entity Directory
Stated vs Revealed
No documented contradictions on file.
PATTERN elected official → [donor] → person → [funding intermedia... 65× PATTERN institution → [funding intermediary] → person → [donor] →... 65× PATTERN organization → [affiliation] → organization → [affiliatio... 61× PATTERN company → [affiliation] → company → [affiliation] → insti... 42× PATTERN institution → [affiliation] → company → [affiliation] → c... 42×
Connection Map
Key Connections
← George Soros person
funding intermediary
George Soros has channeled philanthropic funds through the Tides Foundation, a nonprofit fiscal sponsor that distributes donations to various progressive causes and organizations.
← Open Society Foundations institution
donor
OSF is significant funder of Tides Foundation per Form 990 filings.
Facts (1)
Data Freshness
Ageing Last update: 159d ago · Avg age: 307d
Confidence Tiers: Primary Source — cross-referenced government/corporate filings Pending Review — sourced but not independently verified AI Inference — analytical hypothesis from cross-referencing
✓ Verified Findings (1)
Independently re-checked: a second model read the source artifact and confirmed it supports the extracted claim.
✓ verified Primary Source Tides Foundation reported making $442,511,391 in grants in 2024, down from $690,297,181 in 2023
Date: 2024-12-31 Added: 13 Apr 2026 ↗ SOURCE: Capital Research Center analysis of Form 990
All Connections (7)
← Democracy Alliance institution
associated organization inferential since 2015
Tides Foundation is a fiscal sponsor used by Democracy Alliance-aligned donors and grantees.
← Quantum Fund instrument
grant recipient / funding conduit inferential since 1990
Tides Foundation has received significant funding from Soros-linked entities, including foundations funded by Quantum Fund profits, serving as a fiscal sponsor for progressive causes.
← New Venture Fund institution
peer organization inferential since 2017
New Venture Fund operates in a similar space to the Tides Foundation as a donor-advised fund that channels large anonymous contributions to progressive causes, often used for similar issue advocacy.
← Arabella Advisors company
affiliation inferential since 2020
Arabella Advisors and Tides Foundation are both part of the 'Arabella network' of left-leaning nonprofit organizations.
← George Soros person
funding intermediary primary since 2004
George Soros has channeled philanthropic funds through the Tides Foundation, a nonprofit fiscal sponsor that distributes donations to various progressive causes and organizations.
← Roosevelt Institute organization
affiliation inferential since 2026
Both Roosevelt Institute and Tides Foundation appear in the known entities list; the Tides Foundation is a major grantmaker that often provides funding to organizations like the Roosevelt Institute.
← Open Society Foundations institution
donor primary
OSF is significant funder of Tides Foundation per Form 990 filings.
Sources (6)
2026 UNVERIFIED Research: Tides Foundation — USASpending contracts (no results) contract Processed 📜 Receipt
2026 UNVERIFIED Research: Tides Foundation — Court records (no results) court_document Processed 📜 Receipt
2026 UNVERIFIED Research: Tides Foundation — Parliamentary records (no results) parliamentary_record Processed 📜 Receipt
2026 UNVERIFIED Research: Tides Foundation — Lobbying disclosures (no results) government_disclosure Processed 📜 Receipt
2026-05-10 UNVERIFIED SEARCH_ERROR: Tides Foundation not found in opencorporates claim_flag Processed 📜 Receipt
2024-12-31 ↗ Capital Research Center analysis of Form 990 web_search Processed 📜 Receipt