Hamilton E. James

Hamilton E. James is a U.S. finance executive from New York, born in 1951. He founded and chairs Jefferson River Capital LLC and formerly served as president and chief operating officer of The Blackstone Group; his estimated net worth is ~$5.0B. Wikidata

Business & SEC Activity

SEC records list 72 insider filings associated with James involving Blackstone Group, Costco Wholesale, Silvercrest Asset Management Group, Viper Energy Partners, and Blackstone Mortgage Trust. SEC EDGAR Most are Form 4 filings, which report changes in an insider’s beneficial ownership of company securities; the records also include Form 5, an annual report of certain ownership changes. Recent filings span October 2021 through October 2025. SEC EDGAR

Philanthropy

Three foundations associated with the James name reported a combined $24.5 million in assets and $13.2 million in grants paid for tax year 2023. ProPublica 990 The James Foundation Inc. reported the largest grant total at $11.7 million, followed by the James Foundation at $1.4 million and the James Family Foundation at $60,000. ProPublica 990

Political Activity

James has at least 100 federal contributions in the FEC data; the figures below cover only the most recent 100 contributions on file, not his full history. Those sampled records totaled $958,352.23, including $259,854.91 categorized as Democratic and $698,497.32 categorized as PAC/Other. FEC The largest listed recipients were SMP ($250,000), Harris Victory Fund ($150,000), HMP ($100,000), Harris Action Fund ($100,000), and DNC Services Corp./Democratic National Committee ($93,400); these recipient totals also cover only the sampled records. 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.