William and Flora Hewlett Foundation — Revenue: $289M

NoteThe source directly lists total revenue data for the William and Flora Hewlett Foundation across multiple years. For 2013, the source explicitly states '289,396,942 United States dollar' as the total revenue. The claim's exact stored value of 289,396,942 matches this figure precisely. The rounded display value of '$0.3B' (approximately $300 million) is a reasonable rounding of $289.4 million. The source is from Wikidata Q1288412, which matches the additional context provided in the claim.