James Duff
Profile Summary
James Duff is a U.S.-based billionaire associated with Mississippi, born in 1961, in the diversified industry. His estimated net worth is ~$4.5 billion RTB.
Business & SEC Activity
SEC EDGAR records identify 21 insider filings for James K. Duff and link the filing record to Goldrich Mining Co., U.S. Gold Corp., Minera Andes Inc., Frozen Food Express Industries, and a record for Duff Thomas Milton SEC EDGAR. The listed filings include Form 4 reports, which disclose changes in an insider's ownership of company securities, and a Form 5 annual ownership report; the displayed filings run from 2006 through 2011 SEC EDGAR.
Philanthropy
Foundation filings list three organizations named Duff Family Foundation: one in Harrod, Ohio (2020), one in Columbia, Mississippi (2023), and one in Key Largo, Florida (2019) ProPublica 990. Together, the listed filings report $1,128,330 in assets and $266,762 in grants paid. The Ohio foundation reported $246,250 in grants paid, the Mississippi foundation reported $4,512, and the Florida foundation reported $16,000 ProPublica 990.
Political Activity
FEC records show at least 100 federal contributions in the most recent sampled records on file, covering May 21 through July 31, 2026; the sample totals $10,617.10 FEC. Of that sampled amount, $7,166 went to Democratic recipients, $163.08 to Republican recipients, and $3,288.02 to recipients with an unknown party classification FEC. The largest listed recipients in the sample were Mark Takano for Congress ($7,000), BMO Financial Corp Good Governance Fund: Federal ($1,153.80), ActBlue ($681.92), NEA Fund for Children and Public Education ($435), and WinRed ($429.44) FEC.
These donations are matched to this person by name only, so some may belong to a different person with the same name: FEC filings can include a donor's employer and city, but our matching does not check them against what we know about this person.
U.S. Presence
Philanthropy
Foundations are matched to a person by name, not by trustee records — so a same-surname family foundation can land here in error. Every entity below links to its full IRS filing; if one doesn’t belong, tell us at hello@skylarkcreations.com and we’ll pull it.
Political Contributions
These figures cover the 100 most recent of 6,835 federal contributions on file, not the full record. The total, party split, top recipients and dates below are all computed over that sample, so each is a floor rather than a complete figure.
By Party (in the sample)
Every party in this sample is listed here. The bars are rounded for display; unrounded they total exactly $10,617.10.
Top Recipients (in the sample)
Matched by name only. These donations are matched to this person by name only, so some may belong to a different person with the same name: FEC filings can include a donor's employer and city, but our matching does not check them against what we know about this person.
SEC Filings
Associated Companies
Entities appearing alongside this person in SEC full-text search — an association, not necessarily ownership or control. Follow each link to the primary SEC record to judge for yourself.
Recent Insider Filings
Score Breakdown
The giving score 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 record we hold about this person — net worth, SEC filings, foundation 990s, news coverage, Wikidata. It measures our coverage, not how open the person is. Each further kind of record scores higher, up to eight. Political donation records matched to a person by name alone are not counted: they may belong to someone else with the same name. From October 7, 2026, our own AI-written summary and the profile photo are not counted either — neither is a public record — so grades that leaned on them moved down that day.
Data: SEC EDGAR, ProPublica 990s, GDELT / NewsAPI, Wikidata
Formula (v2): Giving score = 65% x Philanthropy + 35% x Data coverage
Scored on 10/16/2026 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.