Funding search · EIN 133740798 · New York, NY

The Duke of Omnium Fund

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

134
grants reported
$1.2M
total given
2022–2025
filing years
$1,000
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

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Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

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Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • President and Fellows of Harvard College3 grants · $487,380
  • Harvard Business School4 grants · $105,000
  • Thomas Jefferson Foundation4 grants · $105,000
  • Caf America3 grants · $95,000
  • Rare Book School4 grants · $65,000
  • Harvard College4 grants · $52,000
  • The Squam Lakes Conservation Society2 grants · $52,000
  • Rising Phoenix Conservation4 grants · $40,000
  • Metropolitan Museum of Art3 grants · $34,000
  • Henry L Ferguson Museum4 grants · $30,000

Giving over time

$289,750
2022
$370,940
2023
$380,440
2024
$204,750
2025

Grant history

The 100 largest of 134 grants.

  • $241,690

    President and Fellows of Harvard College · Cambridge, MA · 2024

    Charitable Purposes

  • $191,690

    President and Fellows of Harvard College · Cambridge, MA · 2023

    Charitable Purposes

  • $80,000

    Harvard Business School · Boston, MA · 2022

    Charitable Purposes

  • $54,000

    President and Fellows of Harvard College · Cambridge, MA · 2025

    Charitable Purposes

  • $51,000

    The Squam Lakes Conservation Society · Holderness, NH · 2022

    Charitable Purposes

  • $35,000

    Rare Book School · Charlottesville, VA · 2025

    Charitable Purposes

  • $35,000

    Caf America · Alexandria, VA · 2024

    Charitable Purposes

  • $30,000

    Thomas Jefferson Foundation · Charlottesville, VA · 2024

    Charitable Purposes

  • $30,000

    Caf America · Alexandria, VA · 2023

    Charitable Purposes

  • $30,000

    Caf America · Alexandria, VA · 2022

    Charitable Purposes

  • $25,000

    Thomas Jefferson Foundation · Charlottesville, VA · 2025

    Charitable Purposes

  • $25,000

    Harvard College · Cambridge, MA · 2023

    Charitable Purposes

  • $25,000

    Thomas Jefferson Foundation · Charlottesville, VA · 2023

    Charitable Purposes

  • $25,000

    Harvard College · Cambridge, MA · 2022

    Charitable Purposes

  • $25,000

    Thomas Jefferson Foundation · Charlottesville, VA · 2022

    Charitable Purposes

  • $12,000

    Metropolitan Museum of Art · New York, NY · 2025

    Charitable Purposes

  • $12,000

    Metropolitan Museum of Art · New York, NY · 2023

    Charitable Purposes

  • $11,000

    Squam Lakes Association · Holderness, NH · 2023

    Charitable Purposes

  • $10,000

    American Friends of the Musee Dorsay · New York, NY · 2025

    Charitable Purposes

  • $10,000

    Harvard Business School · Boston, MA · 2025

    Charitable Purposes

  • $10,000

    Henry L Ferguson Museum · Fishers Island, NY · 2025

    Charitable Purposes

  • $10,000

    Rising Phoenix Conservation · Sausalito, CA · 2025

    Charitable Purposes

  • $10,000

    Metropolitan Museum of Art · New York, NY · 2024

    Charitable Purposes

  • $10,000

    New Hampshire Charitable Foundation · Concord, NH · 2024

    Charitable Purposes

  • $10,000

    Rare Book School · Charlottesville, VA · 2024

    Charitable Purposes

  • $10,000

    Rising Phoenix Conservation · Sausalito, CA · 2024

    Charitable Purposes

  • $10,000

    Harvard Business School · Boston, MA · 2023

    Charitable Purposes

  • $10,000

    Henry L Ferguson Museum · Fishers Island, NY · 2023

    Charitable Purposes

  • $10,000

    Rare Book School · Charlottesville, VA · 2023

    Charitable Purposes

  • $10,000

    Rising Phoenix Conservation · Sausalito, CA · 2023

    Charitable Purposes

  • $10,000

    Lawrence Memorial Hospital · New London, CT · 2022

    Charitable Purposes

  • $10,000

    Millbrook School · Millbrook, NY · 2022

    Charitable Purposes

  • $10,000

    Rare Book School · Charlottesville, VA · 2022

    Charitable Purposes

  • $10,000

    Rising Phoenix Conservation · Sausalito, CA · 2022

    Charitable Purposes

  • $7,500

    American Friends of Versailles · Chicago, IL · 2022

    Charitable Purposes

  • $5,500

    The Lighthouse Works · Fishers Island, NY · 2022

    Charitable Purposes

  • $5,000

    Nextgen Face · New York, NY · 2025

    Charitable Purposes

  • $5,000

    University of Virginia · Charlottesville, VA · 2025

    Charitable Purposes

  • $5,000

    Harvard Business School · Boston, MA · 2024

    Charitable Purposes

  • $5,000

    Henry L Ferguson Museum · Fishers Island, NY · 2024

    Charitable Purposes

  • $5,000

    American Friends of Versailles · Chicago, IL · 2023

    Charitable Purposes

  • $5,000

    Park Children'S Day School · New York, NY · 2023

    Charitable Purposes

  • $5,000

    Henry L Ferguson Museum · Fishers Island, NY · 2022

    Charitable Purposes

  • $3,500

    Island Health Project · Fishers Island, NY · 2023

    Charitable Purposes

  • $2,500

    Holderness School · Plymouth, NH · 2025

    Charitable Purposes

  • $2,500

    Island Health Project · Fishers Island, NY · 2025

    Charitable Purposes

  • $2,500

    National Education Equity Lab · New York, NY · 2025

    Charitable Purposes

  • $2,500

    Speare Memorial Hospital · Plymouth, NH · 2025

    Charitable Purposes

  • $2,500

    Ubuntu Education Fund · New York, NY · 2025

    Charitable Purposes

  • $2,500

    Island Health Project · Fishers Island, NY · 2024

    Charitable Purposes

  • $2,500

    Speare Memorial Hospital · Plymouth, NH · 2024

    Charitable Purposes

  • $2,500

    Ubuntu Education Fund · New York, NY · 2024

    Charitable Purposes

  • $2,500

    Central Park Track Club · New York, NY · 2023

    Charitable Purposes

  • $2,500

    Speare Memorial Hospital · Plymouth, NH · 2023

    Charitable Purposes

  • $2,500

    Ubuntu Education Fund · New York, NY · 2023

    Charitable Purposes

  • $2,500

    Island Health Project · Fishers Island, NY · 2022

    Charitable Purposes

  • $2,500

    Speare Memorial Hospital · Plymouth, NH · 2022

    Charitable Purposes

  • $2,500

    Ubuntu Education Fund · New York, NY · 2022

    Charitable Purposes

  • $2,000

    St Bernard'S School · New York, NY · 2025

    Charitable Purposes

  • $2,000

    St Bernard'S School · New York, NY · 2024

    Charitable Purposes

  • $2,000

    St Bernard'S School · New York, NY · 2023

    Charitable Purposes

  • $2,000

    St Bernard'S School · New York, NY · 2022

    Charitable Purposes

  • $1,000

    American Friends of Versailles · Chicago, IL · 2025

    Charitable Purposes

  • $1,000

    Chapin School · New York, NY · 2025

    Charitable Purposes

  • $1,000

    Dartmouth College · Hanover, NH · 2025

    Charitable Purposes

  • $1,000

    Harvard College · Cambridge, MA · 2025

    Charitable Purposes

  • $1,000

    Lakes Region Community Services · Laconia, NH · 2025

    Charitable Purposes

  • $1,000

    Squam Lakes Association · Holderness, NH · 2025

    Charitable Purposes

  • $1,000

    Squam Lakes Conservation Society · Holderness, NH · 2025

    Charitable Purposes

  • $1,000

    Squam Lakes Natural Science Center · Holderness, NH · 2025

    Charitable Purposes

  • $1,000

    The Lighthouse Works · Fishers Island, NY · 2025

    Charitable Purposes

  • $1,000

    Tuxedo Park School · Tuxedo Park, NY · 2025

    Charitable Purposes

  • $1,000

    Walsh Park · Fishers Island, NY · 2025

    Charitable Purposes

  • $1,000

    Wheaton College · Norton, MA · 2025

    Charitable Purposes

  • $1,000

    American Friends of Versailles · Chicago, IL · 2024

    Charitable Purposes

  • $1,000

    Chapin School · New York, NY · 2024

    Charitable Purposes

  • $1,000

    Dartmouth College · Hanover, NH · 2024

    Charitable Purposes

  • $1,000

    Harvard College · Cambridge, MA · 2024

    Charitable Purposes

  • $1,000

    Holderness School · Plymouth, NH · 2024

    Charitable Purposes

  • $1,000

    Lakes Region Community Services · Laconia, NH · 2024

    Charitable Purposes

  • $1,000

    Squam Lakes Association · Holderness, NH · 2024

    Charitable Purposes

  • $1,000

    Squam Lakes Conservation Society · Holderness, NH · 2024

    Charitable Purposes

  • $1,000

    Squam Lakes Natural Science Center · Holderness, NH · 2024

    Charitable Purposes

  • $1,000

    The Lighthouse Works · Fishers Island, NY · 2024

    Charitable Purposes

  • $1,000

    Walsh Park · Fishers Island, NY · 2024

    Charitable Purposes

  • $1,000

    Wheaton College · Norton, MA · 2024

    Charitable Purposes

  • $1,000

    Chapin School · New York, NY · 2023

    Charitable Purposes

  • $1,000

    Dartmouth College · Hanover, NH · 2023

    Charitable Purposes

  • $1,000

    Holderness School · Plymouth, NH · 2023

    Charitable Purposes

  • $1,000

    King Baudouin Foundation US · New York, NY · 2023

    Charitable Purposes

  • $1,000

    Lakes Region Community Services · Laconia, NH · 2023

    Charitable Purposes

  • $1,000

    Squam Lakes Natural Science Center · Holderness, NH · 2023

    Charitable Purposes

  • $1,000

    The American University of Rome · Dallas, TX · 2023

    Charitable Purposes

  • $1,000

    The Lighthouse Works · Fishers Island, NY · 2023

    Charitable Purposes

  • $1,000

    The Squam Lakes Conservation Society · Holderness, NH · 2023

    Charitable Purposes

  • $1,000

    Walsh Park · Fishers Island, NY · 2023

    Charitable Purposes

  • $1,000

    Wheaton College · Norton, MA · 2023

    Charitable Purposes

  • $1,000

    Chapin School · New York, NY · 2022

    Charitable Purposes

  • $1,000

    Dartmouth College · Hanover, NH · 2022

    Charitable Purposes

  • $1,000

    Holderness School · Plymouth, NH · 2022

    Charitable Purposes

View all 134 grants →

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Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.