Stephen Mandel Jr
American hedge fund manager
Source: Wikidata — retrieved 10/11/2026 (wikidata)Dispute
Profile Summary
A net worth stated in this summary may be out of date.
Stephen Mandel Jr. is an American hedge fund manager, born in 1956, based in Connecticut. His estimated net worth is ~$2.8 billion. Wikidata
Business & SEC Activity
Mandel works in the finance industry as a hedge fund manager. Wikidata
Political Activity
FEC records show at least 100 federal contributions in the most recent sampled records, totaling $19,274,700; the sample covers filings from February 12, 2021, through July 24, 2026. FEC The party breakdown in those sampled records is $16,892,000 to unknown affiliation, $2,365,200 to Democratic recipients, $14,600 to Republican recipients, and $2,900 with no party listed. FEC The largest recipients in the sample were FF PAC ($7,500,000), HMP ($4,250,000), Forward Majority Action ($3,035,000), the Democratic National Committee ($1,380,000), and House Majority PAC ($1,000,000). FEC
These donations are matched to this person by name only, so some may belong to a different person with the same name: FEC filings can include a donor's employer and city, but our matching does not check them against what we know about this person.
U.S. Presence
Political Contributions
These figures cover the 100 most recent of 415 federal contributions on file, not the full record. The total, party split, top recipients and dates below are all computed over that sample, so each is a floor rather than a complete figure.
By Party (in the sample)
Every party in this sample is listed here. The bars are rounded for display; unrounded they total exactly $19,274,700.
Top Recipients (in the sample)
Matched by name only. These donations are matched to this person by name only, so some may belong to a different person with the same name: FEC filings can include a donor's employer and city, but our matching does not check them against what we know about this person.
Giving score
Not graded — insufficient data
We hold no charitable giving record for this person that we can count toward a score: no foundation filing we can tie to them and no sourced record of their direct giving. A gift reported elsewhere on this page, in the news or the summary, is not one we have recorded as a giving record yet. Without a record, a score would reflect how much data we hold about them and any Giving Pledge signature rather than recorded giving, so we do not give one. That says nothing about how much they give.
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All data is sourced from public records. Each section links to its original source. View on Wikidata