Funding search · EIN 133317499 · New York, NY

The Derald H Ruttenberg Foundation

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

199
grants reported
$4.5M
total given
2022–2025
filing years
$6,000
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.

What they fund

publiccharitiespubliccenterpubliclangonemedical

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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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3 grants matching “charitiespublic · $12,750

  • $10,000

    Tabor Childrens Services · Philadelphia, PA · 2023

    public charitiespublic charitiesPublic charities

  • $2,500

    Salem Pregnancy Care Center · Winstonsalem, NC · 2022

    Public charitiespublic charities

  • $250

    Lafayette College · Easton, PA · 2022

    Public charitiespublic charitiespublic charities

Top recipients

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

  • Brown University2 grants · $1.0M
  • Wildlife Conservation Society (Wcs)3 grants · $464,985
  • Asosiacion Conservacion Osa (Friends of the Osa)6 grants · $348,499
  • Columbia University3 grants · $176,886
  • Yale University1 grant · $167,409
  • Mount Sinai Icahn School of Medicine5 grants · $151,398
  • Mount Sinai Icahn School of Medicine1 grant · $126,760
  • Aspen Institute1 grant · $101,376
  • Hospital for Special Surgery1 grant · $100,735
  • Nyu Langone Medical Center1 grant · $100,550

Giving over time

$125,888
2022
$804,057
2023
$988,983
2024
$2.6M
2025

Grant history

The 100 largest of 199 grants.

  • $1.0M

    Brown University · Providence, RI · 2025

    Public charities

  • $319,570

    Wildlife Conservation Society (Wcs) · Bronx, NY · 2025

    Public charities

  • $213,085

    Asosiacion Conservacion Osa (Friends of the Osa) · Washington, DC · 2024

    Public charities

  • $167,409

    Yale University · New Haven, CT · 2023

    Public charities

  • $129,626

    Wildlife Conservation Society (Wcs) · Bronx, NY · 2024

    Public charities

  • $126,760

    Mount Sinai Icahn School of Medicine · New York, NY · 2023

    public charities

  • $101,376

    Aspen Institute · Aspen, CO · 2025

    Public charities

  • $101,376

    Columbia University · New York, NY · 2025

    Public charities

  • $100,735

    Hospital for Special Surgery · New York, NY · 2024

    Public charities

  • $100,550

    Nyu Langone Medical Center · New York, NY · 2023

    NYU Langone Medical Centerpublic charities

  • $100,009

    Brown University · Providence, RI · 2023

    Public charities

  • $100,000

    Brookyn Rail · Brooklyn, NY · 2023

    Public charities

  • $88,024

    Asosiacion Conservacion Osa (Friends of the Osa) · Washington, DC · 2024

    Public charities

  • $50,486

    Mount Sinai Icahn School of Medicine · New York, NY · 2025

    Public charities

  • $50,289

    Columbia University · New York, NY · 2025

    Public charities

  • $50,165

    Hopewell Fund · Washington, DC · 2025

    Public charities

  • $49,730

    Mount Sinai Icahn School of Medicine · New York, NY · 2024

    Public charities

  • $40,000

    Southampton Theater · Southampton, NY · 2022

    Public charities

  • $36,197

    Public Theater · New York, NY · 2024

    Public charities

  • $35,028

    Jane Goodall Institute (the) · Washington, DC · 2025

    Public charities

  • $30,360

    Metropolitan Museum of Art · New York, NY · 2023

    public charities

  • $30,265

    Tory Burch Foundation · New York, NY · 2024

    Public charities

  • $27,468

    Ziggy'S Refuge Farm Animal Sanctuary · Providence, NC · 2025

    Public charities

  • $25,888

    Whitney Museum of American Art · New York, NY · 2024

    Public charities

  • $25,799

    Wild Tomorrow Fund (Wtf) · New York, NY · 2025

    Public charities

  • $25,750

    Jane Goodall Institute (the) · Washington, DC · 2025

    Public charities

  • $25,597

    Clal-Nat'L Jewish Center for Learning & Leadership · New York, NY · 2025

    Public charities

  • $25,597

    Student Leadership Network · New York, NY · 2025

    Public charities

  • $25,544

    City Report (the) · New York, NY · 2025

    Public charities

  • $25,526

    Mount Sinai Icahn School of Medicine · New York, NY · 2024

    Public charities

  • $25,503

    Council On Foreign Relations · New York, NY · 2025

    Public charities

  • $25,473

    City Report (the) · New York, NY · 2025

    Public charities

  • $25,432

    Wild Tomorrow Fund (Wtf) · New York, NY · 2025

    Public charities

  • $25,403

    Cornell University · Ithaca, NY · 2025

    Public charities

  • $25,398

    Aspen Art Museum · Aspen, CO · 2025

    Public charities

  • $25,386

    Mount Sinai Icahn School of Medicine · New York, NY · 2025

    Public charities

  • $25,263

    Northern Dutchess Hospital Foundation · Rhinebeck, NY · 2025

    Public charities

  • $25,221

    Clal-Nat'L Jewish Center for Learning & Leadership · New York, NY · 2024

    Public charities

  • $25,221

    Columbia University · New York, NY · 2024

    Public charities

  • $25,044

    Cornell University · Ithaca, NY · 2025

    Public charities

  • $25,035

    Northern Dutchess Hospital Foundation · Rhinebeck, NY · 2024

    Public charities

  • $25,000

    City Report (the) · New York, NY · 2024

    Public charities

  • $23,706

    Columbia University · New York, NY · 2023

    public charities

  • $21,511

    Prep for Prep · New York, NY · 2024

    Public charities

  • $20,959

    African Parks Foundation of America · Washington, DC · 2024

    Public charities

  • $20,754

    Tory Burch Foundation · New York, NY · 2025

    Public charities

  • $20,751

    Asosiacion Conservacion Osa (Friends of the Osa) · Washington, DC · 2025

    Public charities

  • $20,715

    Facing History and Ourselves · New York, NY · 2023

    public charities

  • $20,654

    Cornell University · Ithaca, NY · 2025

    Public charities

  • $20,550

    Wnycwqxr New York Public Radio · New York, NY · 2025

    Public charities

  • $20,548

    Robin Hood Foundation · New York, NY · 2023

    public charities

  • $20,471

    Asosiacion Conservacion Osa (Friends of the Osa) · Washington, DC · 2024

    Public charities

  • $20,459

    Peta- People for Ethical Treatment of Animals · Norfolk, VA · 2025

    Public charities

  • $20,322

    Doe Fund · New York, NY · 2025

    Public charities

  • $20,314

    Propublica · New York, NY · 2023

    public charities

  • $20,256

    Prep for Prep · New York, NY · 2025

    Public charities

  • $20,245

    Partnership To End Addiction · New York, NY · 2024

    Public charities

  • $20,186

    Robin Hood Foundation · New York, NY · 2024

    Public charities

  • $20,144

    Robin Hood Foundation · New York, NY · 2025

    Public charities

  • $20,000

    Facing History and Ourselves · New York, NY · 2022

    Public charities

  • $15,975

    13 Hands Equine Rescue · Clinton Corners, NY · 2025

    Public charities

  • $15,789

    Wildlife Conservation Society (Wcs) · Bronx, NY · 2025

    Public charities

  • $15,623

    Arthurs Acres Animal Sanctuary · Parksville, NY · 2025

    Public charities

  • $15,246

    13 Hands Equine Rescue · Clinton Corners, NY · 2025

    Public charities

  • $15,182

    Fauna & Flora USA · Washington, DC · 2025

    Public charities

  • $15,144

    Mighty Earth · Washington, DC · 2024

    Public charities

  • $15,044

    Animal Medical Center · New York, NY · 2025

    Public charities

  • $13,677

    Ziggy'S Refuge Farm Animal Sanctuary · Providence, NC · 2025

    Public charities

  • $13,587

    Student Leadership Network · New York, NY · 2024

    Public charities

  • $13,000

    Aspen Institute · Aspen, CO · 2023

    Public charities

  • $11,110

    Animal Haven · New York, NY · 2025

    Public charities

  • $10,941

    Nature Conservancy · New York, NY · 2025

    Public charities

  • $10,754

    Arthurs Acres Animal Sanctuary · Parksville, NY · 2025

    Public charities

  • $10,708

    Puppies Behind Bars · New York, NY · 2024

    Public charities

  • $10,606

    Harvard University · Cambridge, MA · 2025

    Public charities

  • $10,570

    Animal Medical Center · New York, NY · 2023

    public charities

  • $10,496

    Save the Chimps · Fort Pierce, FL · 2025

    Public charities

  • $10,467

    Facing History and Ourselves · Boston, MA · 2025

    Public charities

  • $10,399

    American Repertory Ballet · Princeton, NJ · 2024

    Public charities

  • $10,399

    Art Yard · Frenchtown, NJ · 2023

    public charities

  • $10,377

    Whitney Museum of American Art · New York, NY · 2025

    Public charities

  • $10,334

    George Adamson & Tony Fitzjohn Wildlife Trust (the) · Malibu, CA · 2025

    Public charities

  • $10,320

    Arthurs Acres Animal Sanctuary · Parksville, NY · 2025

    Public charities

  • $10,302

    Wild Tomorrow Fund (Wtf) · New York, NY · 2025

    Public charities

  • $10,300

    Massachusetts General Hospital · Boston, MA · 2025

    Public charities

  • $10,239

    Glaad · Pasadena, CA · 2025

    Public charities

  • $10,154

    Michael J Fox Foundation · New York, NY · 2025

    Public charities

  • $10,154

    New York Public Library · New York, NY · 2025

    Public charities

  • $10,122

    Wild Tomorrow Fund (Wtf) · New York, NY · 2024

    Public charities

  • $10,117

    Wild Tomorrow Fund (Wtf) · New York, NY · 2023

    public charities

  • $10,000

    Penn Engineering Charitable Foundation · Danboro, PA · 2025

    Public charities

  • $10,000

    Penn Engineering Charitable Foundation · Danboro, PA · 2024

    Public charities

  • $10,000

    Arthurs Acres Animal Sanctuary · Parksville, NY · 2023

    Public charities

  • $10,000

    Tabor Childrens Services · Philadelphia, PA · 2023

    public charitiespublic charitiesPublic charities

  • $10,000

    Perfect Earth Project · East Hampton, NY · 2022

    Public charities

  • $9,766

    Open Space Institute · New York, NY · 2025

    Public charities

  • $8,616

    Mercy for Animals · Los Angeles, CA · 2025

    Public charities

  • $7,580

    Nyu Langone Medical Center · New York, NY · 2025

    Public charities

  • $6,500

    Wnycwqxr New York Public Radio · New York, NY · 2022

    Public charities

  • $6,000

    Wnycwqxr New York Public Radio · New York, NY · 2023

    Public charities

View all 199 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.