Miriam Adelson

Miriam Adelson is an American and Israeli billionaire (born 1945) based in Nevada, with an estimated net worth of ~$37.9B. SEC records link her to Las Vegas Sands Corp (LVS) and Sands China Ltd. through filings under her name. Wikidata SEC EDGAR

Business & SEC Activity

SEC EDGAR shows 42 total filings associated with “Adelson Miriam,” including 40 insider filings. Recent filings include multiple Form 4 reports (insider transactions), a Form 144 (notice of a proposed sale of restricted/control securities), and a Schedule 13D/A (an amended disclosure typically used by large shareholders to report ownership and changes). SEC EDGAR

Philanthropy

ProPublica-reported 2023 filings show three related nonprofits/foundations with combined assets of $25,795,259 and total grants paid of $2,923,834. Two Adelson Family Foundation entities (NY and MA) reported $0 grants paid in 2023 despite reporting assets of $5,892,473 (NY) and $743,367 (MA); the MA entity reported $45,022,474 in revenue and $44,514,097 in expenses. The Nathan Adelson Hospice Foundation Inc (NV) reported $2,923,834 in grants paid and $19,159,419 in assets for 2023. ProPublica 990

Political Activity

FEC data from 2024-05-03 to 2025-10-14 shows 100 contributions totaling $146,563,200, with the largest amounts going to Preserve America PAC ($106,000,000), Senate Leadership Fund ($15,000,000), and Congressional Leadership Fund ($10,000,000). The party breakdown reports $4,674,600 to Republican committees and $141,888,600 to PAC/other recipients. FEC