Hamilton E. James

Hamilton E. James (born 1951) is an American businessperson with an estimated net worth of ~$5.0B. He is the founder and chairman of Jefferson River Capital LLC and previously served as president and chief operating officer of The Blackstone Group. Wikidata

Business & SEC Activity

SEC EDGAR lists Hamilton E. James as an insider filer with 72 insider filings, primarily Forms 4 and 5. Form 4 reports changes in an insider’s ownership (such as buys, sells, or grants), while Form 5 is an annual summary for certain reportable transactions. His filings are associated with companies including Blackstone Group L.P. (BX), Costco Wholesale Corp. (COST), Silvercrest Asset Management Group (SAMG), Viper Energy Partners LP (VNOM), and Blackstone Mortgage Trust (BXMT). SEC EDGAR

Philanthropy

ProPublica-reported 2023 Form 990 data shows three foundations with combined assets of $3,324,077,870 and total grants paid of $738,681. The James Irvine Foundation reported $3,300,619,484 in assets and $0 in grants paid in 2023, and James Foundation Inc (IN) reported $17,335,518 in assets and $0 in grants paid; the James Foundation (MO) reported $6,122,868 in assets and $738,681 in grants paid. ProPublica 990

Political Activity

FEC data shows 100 contributions totaling $958,352.23 from 2021-06-06 to 2025-10-14. The party breakdown reported is $259,854.91 to DEM and $698,497.32 to PAC/Other, with top recipients including 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). FEC