Belfer Management LLC

Belfer Management LLC is a family investment firm in New York that runs the investment and philanthropic activity of the Belfer family. A father and son from the family founded it in 2000. It files 13F holdings reports with the SEC from 767 Fifth Avenue, the earliest listed dated 9 February 2010, and reported about $6 million of 13F holdings for the second quarter of 2026.

Type: Single family office
Location: New York, New York, United States
Sectors: Generalist, Philanthropy, Public equities
Fund size / AUM: $6M 13F holdings (Q2 2026)
Latest fund or filing: 7 Aug 2026
Website: www.belfermanagement.com

Contacts on file

For Belfer Management LLC, the paid file holds: 2 named decision-makers with roles.

Get US family offices, $995 Free sample

One-time payment. No subscription. No account.

Sources

Last checked 10 Nov 2026. Is something wrong? Tell us.

Appears in 7 lists

Family offices in New York City (54)Family offices in New York (68)Family offices in the Northeast (112)Family offices that invest in public equities (274)Single family offices in the United States (288)Family offices in the United States (481)Single family offices (488)