Funding search · EIN 136075567 · New York, NY

Prospect Hill Foundation

Name: Prospect Hill Foundation grants, 2021–2024
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

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

1,239
grants reported: $11.4M
total given: 2021–2024
filing years: $2,000
median grant

Based on grants this organization reported to the IRS for tax years 2021–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

wellness renewal capital convening black campaign nuclear anniversary

Funder website ↗Full IRS filings ↗How this is built Report an error

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.

7 grants matching “geffen” · $210,000

$2,000
David Geffen School of Drama Board of Advisors · New Haven, CT · 2024
David geffen school of drama at yale
$2,000
David Geffen School of Drama at Yale · New Haven, CT · 2023
General support
$2,000
David Geffen School of Drama at Yale · New Haven, CT · 2022
David geffen school of drama at yale
$2,000
David Geffen School of Drama at Yale · New Haven, CT · 2022
General support
$150,000
Yale University · New Haven, CT · 2021
New facility david geffen school of drama at yale
$50,000
Yale University · New Haven, CT · 2021
New facility david geffen school of drama at yale
$2,000
Yale University · New Haven, CT · 2021
David geffen school of drama

Top recipients

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

Arms Control Association12 grants · $420,052
Outrider Foundation4 grants · $260,000
Virginia Organizing2 grants · $250,000
The Keewaydin Foundation13 grants · $248,670
Center for Arms Control and Non-Proliferation5 grants · $245,000
Voices of Ascension31 grants · $240,114
Global Greengrants Fund6 grants · $230,000
Yale University11 grants · $223,000
World Resources Institute9 grants · $205,000
Exalt Youth22 grants · $189,366

Giving over time

$3.2M

2021

$3.1M

2022

$2.6M

2023

$2.6M

2024

Grant history

The 100 largest of 1,239 grants.

$200,000
Virginia Organizing · Charlottesville, VA · 2021
For generation 180 designated for launch support
$150,000
Yale University · New Haven, CT · 2021
New facility david geffen school of drama at yale
$100,000
Groundswell Fund · San Francisco, CA · 2022
General support
$100,000
National Latina Institute for Reproductive Justice · New York, NY · 2022
General support
$100,000
Unite for Reproductive & Gender Equity (Urge) · Washington, DC · 2022
General support
$75,000
Arms Control Association · Washington, DC · 2024
General support
$75,000
Center for Arms Control and Non-Proliferation · Washington, DC · 2024
General support
$75,000
Outrider Foundation · Madison, WI · 2024
Outrider's journalism & media program
$75,000
The Trustees of Reservations · Boston, MA · 2024
Bartholomew's cobble grouping
$75,000
Arms Control Association · Washington, DC · 2023
General support
$75,000
Outrider Foundation · Madison, WI · 2023
Outriders journalism & media program
$75,000
Trustees of Reservations · Boston, MA · 2023
Bartholomews cobble grouping
$75,000
Arms Control Association · Washington, DC · 2022
Arms control strategies to move us back from the brink
$75,000
Outrider Foundation · Madison, WI · 2022
Outriders journalism & media program
$75,000
Arms Control Association · Washington, DC · 2021
General support
$55,000
Dana Hall School · Wellesley, MA · 2024
Capital campaign
$55,000
Center for Arms Control and Non-Proliferation · Washington, DC · 2023
General support
$55,000
Dana Hall School · Wellesley, MA · 2023
Capital campaign
$55,000
Center for Arms Control and Non-Proliferation · Washington, DC · 2022
General support
$55,000
Center for Arms Control and Non-Proliferation · Washington, DC · 2021
General support
$50,000
Ballet Hispanico of New York · New York, NY · 2024
Ballet hispnico's dance innovacin fund
$50,000
Global Greengrants Fund · Boulder, CO · 2024
Capital grant/organizational strengthening
$50,000
Prospect Park Alliance · Brooklyn, NY · 2024
Lefferts house
$50,000
The Keewaydin Foundation · Salisbury, VT · 2024
The sperry fund endowed scholarship
$50,000
Global Greengrants Fund · Boulder, CO · 2023
Capital grant/organizational strengthening
$50,000
New York Society Library · New York, NY · 2023
Capital funding
$50,000
The Keewaydin Foundation · Salisbury, VT · 2023
The sperry fund endowed scholarship
$50,000
Arms Control Association · Washington, DC · 2022
Capacity building
$50,000
Global Greengrants Fund · Boulder, CO · 2022
Capital grant
$50,000
Groundswell Fund · San Francisco, CA · 2022
Rj grant support
$50,000
Mystic Seaport Museum · Mystic, CT · 2022
Center for experiential educations maritime adventure program
$50,000
National Latina Institute for Reproductive Justice · New York, NY · 2022
General support
$50,000
Natural Resources Defense Council · New York, NY · 2022
Frances beinecke fund
$50,000
Pregnancy Justice · New York, NY · 2022
General support
$50,000
The Keewaydin Foundation · Salisbury, VT · 2022
The sperry fund endowed scholarship
$50,000
Unite for Reproductive & Gender Equity (Urge) · Washington, DC · 2022
General support
$50,000
Adirondack Foundation · Lake Placid, NY · 2021
Central adirondacks fund
$50,000
Center for Nuleadership On Human Justice & Healing · Brooklyn, NY · 2021
General support
$50,000
Environmental Defense Fund Nyc · New York, NY · 2021
Educating voters about the new york state clean water, clean air, green jobs bond act ballot measure
$50,000
Gates Global Policy Center · Newington, VA · 2021
Gates global policy center
$50,000
Global Greengrants Fund · Boulder, CO · 2021
Capital grant
$50,000
Jacob'S Pillow · Becket, MA · 2021
Ted shawn theatre renovation
$50,000
Mystic Seaport Museum · Mystic, CT · 2021
Cee maritime adventure program: pilot youth cohort
$50,000
Natural Resources Defense Council · New York, NY · 2021
Frances beinecke fund
$50,000
Phillips Academy Andover · Andover, MA · 2021
Phillips academy class of 1962 fund for student mental wellness
$50,000
The Bushwick Starr · Brooklyn, NY · 2021
Capital funding
$50,000
Virginia Organizing · Charlottesville, VA · 2021
For generation 180 designated for launch support
$50,000
Waterfront Alliance · New York, NY · 2021
Coastlines prepared for climate change: the wedg rating and verification system
$50,000
Yale University · New Haven, CT · 2021
New facility david geffen school of drama at yale
$45,000
Legacy Philanthropy Works · Santa Barbara, CA · 2024
For catch together
$40,000
Justice for Families · Bronx, NY · 2023
Grants for growth
$40,000
Mary Mitchell Family & Youth Center · The Bronx, NY · 2023
Grants for growth
$40,000
Dear Black Girl · The Bronx, NY · 2022
Grants for growth
$40,000
Independent Arts & Media · San Francisco, CA · 2022
Grants for growth
$36,000
Young Voices · Providence, RI · 2023
Grants for growth
$35,000
Federation of American Scientists · Washington, DC · 2024
Nuclear information project
$35,000
Outrider Foundation · Madison, WI · 2024
Outrider's journalism & media program
$35,000
Union of Concerned Scientists · Cambridge, MA · 2024
Securing a safer tomorrow
$35,000
Federation of American Scientists · Washington, DC · 2023
Nuclear information project
$35,000
The Keewaydin Foundation · Salisbury, VT · 2023
The sperry fund endowed scholarship
$35,000
Union of Concerned Scientists · Cambridge, MA · 2023
Cooling down a cold war
$35,000
Center for Nuleadership On Human Justice & Healing · Brooklyn, NY · 2022
Grants for growth
$35,000
Federation of American Scientists · Washington, DC · 2022
Nuclear information project
$35,000
La Plazita Institute · Albuquerque, NM · 2022
General support
$35,000
Project South · Atlanta, GA · 2022
Sista fire grants for growth
$35,000
Federation of American Scientists · Washington, DC · 2021
Nuclear information project
$33,500
Brooklyn Community Foundation · Brooklyn, NY · 2024
2-year grant for the human justice fund
$30,000
Centurion Ministries · Princeton, NJ · 2024
General support
$30,000
New York Philharmonic · New York, NY · 2024
General support
$30,000
World Resources Institute · Washington, DC · 2024
General support
$30,000
Centurion Ministries · Princeton, NJ · 2023
General support
$30,000
New York Philharmonic · New York, NY · 2023
General support
$30,000
World Resources Institute · Washington, DC · 2023
General support
$30,000
Centurion · Princeton, NJ · 2022
General support
$30,000
New York Philharmonic · New York, NY · 2022
General support
$30,000
Union of Concerned Scientists · Cambridge, MA · 2022
Moving towards true human security in us security policy
$30,000
World Resources Institute · Washington, DC · 2022
Wri development expansion for campaign preparation 2023
$30,000
Centurion · Princeton, NJ · 2021
General support
$30,000
Global Zero · Washington, DC · 2021
Designing for impact: a new model for catalytic advocacy
$30,000
Natural Resources Defense Council · New York, NY · 2021
Nuclear program
$30,000
New York Philharmonic · New York, NY · 2021
General support
$30,000
Ploughshares Fund · Washington, DC · 2021
Equity rises
$25,000
Arms Control Association · Washington, DC · 2024
Suport for the retreat w/nti
$25,000
Berkshire Agriculture Ventures · Great Barrington, MA · 2024
Market match fund
$25,000
Bk Rot · Brooklyn, NY · 2024
2-year renewal
$25,000
Cape Cod Commercial Fishermen'S Alliance · North Chatham, MA · 2024
Capital endowment (1:1 match)
$25,000
Center for Nuleadership On Human Justice & Healing · Brooklyn, NY · 2024
Center for nuleadership on human justice & healing renewal
$25,000
Central Park Conservancy · New York, NY · 2024
Nyc 5-boroughs project
$25,000
Chinese for Affirmative Action · San Francisco, CA · 2024
Asian refugees united renewal
$25,000
Clean and Healthy New York · Albany, NY · 2024
General support
$25,000
Dear Black Girl · The Bronx, NY · 2024
2-year renewal
$25,000
Harwich Conservation Trust · Harwich, MA · 2024
Pleasant bay watershed land preservation project
$25,000
How Our Lives Link Altogether · College Point, NY · 2024
How our lives link altogether renewal
$25,000
Independent Arts & Media · San Francisco, CA · 2024
5 elements renewal
$25,000
Inkstick Media · Frederick, MD · 2024
General support
$25,000
Justice for Families · Bronx, NY · 2024
2-year renewal
$25,000
Lincoln Center Theater · New York, NY · 2024
Lincoln center theater open stages education program
$25,000
Mary Mitchell Family and Youth Center · The Bronx, NY · 2024
For the black feminist project for 2-year renewal
$25,000
New York State Youth Leadership Council · New York, NY · 2024
New york state youth leadership council renewal
$25,000
Physicians for Social Responsibility-Los Angeles · Los Angeles, CA · 2024
For back from the brink to support an organizer for youth leadership development

View all 1,239 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.