Winifred J. Marquart
US businesswoman
Source: Wikidata — retrieved 7/12/2026 (wikidata)
Profile Summary
Winifred J. Marquart is a U.S. businesswoman from Virginia in the manufacturing industry, born in 1959, with an estimated net worth of ~$4.7B Wikidata. The available data does not identify her specific operating company or how her wealth was built, but her political giving and family foundation are documented FEC ProPublica 990.
Philanthropy
The Marquart Family Foundation reported $951,170 in assets in tax year 2023 and paid $45,000 in grants ProPublica 990. Its reported revenue was $21,816 and expenses were $56,017 for that year ProPublica 990.
Political Activity
From 2005 through 2024, she made 14 federal contributions totaling $58,000, all classified as PAC/Other rather than direct party donations FEC. The money went entirely to two S. C. Johnson & Son political action committees, with $51,000 to one committee and $7,000 to the other FEC.
U.S. Presence
Philanthropy
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