Tom Steyer
American businessman, politician, and environmentalist (born 1957)
Source: Wikidata — retrieved 7/12/2026 (wikidata)
Profile Summary
Tom Steyer is an American businessman, politician, and environmentalist born in 1957, with an estimated net worth of ~$1.6B Wikidata. He is identified in the data as a Giving Pledge signatory Wikidata.
Political Activity
From 2023-03-23 to 2025-12-17, he made 100 political contributions totaling $4,354,632.12 FEC. The largest recipients were HMP ($2,000,000), HARRIS ACTION FUND ($832,366.06), and the DNC Services Corp / Democratic National Committee ($825,766.06) FEC. His giving in this period was mostly to Democratic-aligned recipients, with $1,066,966.06 to DEM and $3,274,066.06 to PAC/Other FEC.
In the News
Recent coverage focused on his climate spending and political activity NewsAPI. One article described his climate bet as a $216 million failure, and another framed a bad week for him in California politics NewsAPI.
U.S. Presence
Political Contributions
By Party
Top Recipients
Score Breakdown
The PBS is a weighted average of 2 components. The formula is open and versioned — the weight percentages below show how much each component contributes to the final score.
Evidenced charitable giving — built on what they actually give each year, not parked assets. Dominated by generosity (annual giving relative to net worth — the share of your fortune you give), plus the absolute scale of that giving, plus a small nudge for signing the Giving Pledge (a commitment, not a realized action).
Data: ProPublica 990 charitable disbursements, net worth, The Giving Pledge registry
How much sourced, public accountability data exists — net worth, political contributions, SEC filings, foundation 990s, news coverage, and a verified profile. More public disclosure scores higher.
Data: FEC, SEC EDGAR, ProPublica 990s, GDELT / NewsAPI, Wikidata
Formula (v2): PBS = 65% x Philanthropy + 35% x Transparency
Scored on 6/23/2026 on a 0–100 scale. The score uses only the signals we have populated data for. Goal Impact, Controversy, and Community Approval are deferred until that data exists — Phase 1 goal adoption, controversy detection, and community votes respectively.
All data is sourced from public records. Each section links to its original source. View on Wikidata