Michael Bloomberg
American businessman and politician; 108th Mayor of New York City
Source: Wikidata — retrieved 7/12/2026 (wikidata)
Profile Summary
Michael Bloomberg is an American businessman and politician born in 1942, best known as the 108th Mayor of New York City and for building wealth in finance and media Wikidata. His estimated net worth is ~$55.5B Wikidata. He is a signatory of The Giving Pledge The Giving Pledge.
Business & SEC Activity
Bloomberg built his fortune in finance and media, and the data identifies him as an American businessman and politician Wikidata. The available records do not include SEC filings or insider-trading data, so no further business detail is provided here.
Philanthropy
Bloomberg reported over $21B in lifetime giving and $3.7B in giving in 2024, making him the Chronicle of Philanthropy's #1 U.S. donor for three years running CNBC / Chronicle of Philanthropy. His Bloomberg Family Foundation Inc reported $1.42B in grants paid in tax year 2023 and $11.81B in total assets ProPublica 990. Other foundation filings in the data show much smaller entities, including the Bloomberg Foundation with $10,875 in grants paid in 2023 and the Bloomberg Associates Foundation with $456,617 in grants paid in 2015 ProPublica 990.
Political Activity
Bloomberg made 100 federal contributions totaling about $25.1M from 2024-06-07 to 2025-11-07 FEC. Most of that money went to PACs and other non-party recipients, with $25.0M in the PAC/Other category, compared with $56,400 to Democrats and $274.39 to Republicans FEC. The largest listed recipients were HMP ($13M), ONE GIANT LEAP PAC ($5M), and UNITE AMERICA PAC INC. ($2.5M) FEC.
In the News
Recent articles focus on Bloomberg Philanthropies' clean-energy and air-pollution work, including a reported $285M commitment to accelerate the clean-energy transition NewsAPI. Coverage also notes efforts to expand the global fight against air pollution and a joint commentary by Sadiq Khan and Michael Bloomberg on cleaner air in cities NewsAPI.
U.S. Presence
Business
Sells financial data and analytics — chiefly the Bloomberg Terminal used by banks and investors — and runs the Bloomberg News media operation.
Source: WikipediaDirect Giving
Over $21B lifetime; gave $3.7B in 2024 (the Chronicle's #1 U.S. donor three years running). Scored on the documented recent annual figure, since he now gives far above his lifetime average.
Direct gifts made outside a private foundation (no 990 filing) — counted in the Public Benefit Score.
Philanthropy
Political Contributions
By Party
Top Recipients
Score Breakdown
The PBS is a weighted average of 2 components. The formula is open and versioned — the weight percentages below show how much each component contributes to the final score.
Evidenced charitable giving — built on what they actually give each year, not parked assets. Dominated by generosity (annual giving relative to net worth — the share of your fortune you give), plus the absolute scale of that giving, plus a small nudge for signing the Giving Pledge (a commitment, not a realized action).
Data: ProPublica 990 charitable disbursements, net worth, The Giving Pledge registry
How much sourced, public accountability data exists — net worth, political contributions, SEC filings, foundation 990s, news coverage, and a verified profile. More public disclosure scores higher.
Data: FEC, SEC EDGAR, ProPublica 990s, GDELT / NewsAPI, Wikidata
Formula (v2): PBS = 65% x Philanthropy + 35% x Transparency
Scored on 6/23/2026 on a 0–100 scale. The score uses only the signals we have populated data for. Goal Impact, Controversy, and Community Approval are deferred until that data exists — Phase 1 goal adoption, controversy detection, and community votes respectively.
All data is sourced from public records. Each section links to its original source. View on Wikidata