https://sandbox.philanthropy.com/news/tracking-a-quarter-century-of-giving/2026-03-09T17:35:00-04:00monthly0.7https://sandbox.philanthropy.com/news/2024s-top-donors-forbes-400-and-giving-pledge-billionaires-who-gave-big/2026-03-09T17:35:06-04:00monthly0.7https://sandbox.philanthropy.com/news/top-donors-giving-to-and-grants-awarded-from-their-foundations-and-donor-advised-funds-in-2024/2026-03-09T17:35:13-04:00monthly0.7https://sandbox.philanthropy.com/news/2024s-top-donors-where-they-live-where-they-give-and-more/2026-03-09T17:35:21-04:00monthly0.7https://sandbox.philanthropy.com/news/meet-the-mega-donors-of-the-future/2026-03-09T17:36:24-04:00monthly0.7https://sandbox.philanthropy.com/news/thomas-golisano-gave-500-million-to-125-organizations-in-2024/2026-03-09T17:35:29-04:00monthly0.7https://sandbox.philanthropy.com/news/americas-mega-donors-stuck-to-their-giving-strategies-in-2024/2026-03-09T17:35:38-04:00monthly0.7https://sandbox.philanthropy.com/news/how-the-chronicle-compiled-its-list-of-the-top-50-donors-of-2024/2026-03-09T17:35:45-04:00monthly0.7https://sandbox.philanthropy.com/news/michael-bloomberg-tops-list-of-americas-biggest-donors-for-the-second-year-in-a-row/2026-03-09T17:35:52-04:00monthly0.7https://sandbox.philanthropy.com/press/philanthropy-50-reveals-americas-biggest-donors/2026-02-28T14:19:22-05:00monthly0.7https://sandbox.philanthropy.com/solutions/playbooks/how-to-keep-your-nonprofit-and-its-data-secure/2025-10-29T17:57:08-04:00monthly0.7