Funding search · EIN 814429034 · Palo Alto, CA

Additional Ventures 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.

197
grants reported
$43.5M
total given
2022–2024
filing years
$220,000
median grant

Based on grants this organization reported to the IRS for tax years 20222024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

What they fund

researchsingleventricleawardcollaborativecuresexpansioncatalyst

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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.

  • Boston Children'S Hospital10 grants · $3.3M
  • The J David Gladstone Institutes6 grants · $2.9M
  • The Board of Trustees of the Leland Stanford Junior University11 grants · $2.6M
  • Nationwide Children'S Hospital6 grants · $2.4M
  • Yale University8 grants · $1.4M
  • Icahn School of Medicine at Mount Sinai7 grants · $1.4M
  • Renata Medical3 grants · $1.4M
  • Stanford University7 grants · $1.3M
  • Carnegie Mellon University3 grants · $1.3M
  • Washington University in St Louis4 grants · $1.2M

Giving over time

$11.3M
2022
$15.5M
2023
$16.7M
2024

Grant history

The 100 largest of 197 grants.

  • $1.2M

    The J David Gladstone Institutes · San Francisco, CA · 2024

    Innovation award

  • $1.2M

    The J David Gladstone Institutes · San Francisco, CA · 2023

    Innovation award

  • $1.1M

    Renata Medical · Newport Beach, CA · 2024

    Transcatheter fontan shunt development

  • $934,317

    Boston Children'S Hospital · Boston, MA · 2024

    Force fund

  • $920,651

    Boston Children'S Hospital · Boston, MA · 2022

    Force fund

  • $717,975

    Nationwide Children'S Hospital · Columbus, OH · 2023

    Cures collaborative

  • $594,872

    Nationwide Children'S Hospital · Columbus, OH · 2024

    Cures collaborative

  • $556,817

    Carnegie Mellon University · Pittsburgh, PA · 2023

    Cures collaborative

  • $500,000

    Star Bp · Houston, TX · 2023

    Pediatric ventricular assist device design

  • $493,452

    Carnegie Mellon University · Pittsburgh, PA · 2024

    Cures collaborative

  • $440,000

    New York University · New York, NY · 2023

    Single ventricle research fund

  • $425,938

    Nationwide Children'S Hospital · Columbus, OH · 2022

    Cures collaborative

  • $415,000

    Cincinnati Children'S Hospital Medical Center · Cincinnati, OH · 2022

    Advanced cardiac therapies improving outcomes network

  • $409,360

    The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2023

    Cures collaborative

  • $399,008

    Washington University in St Louis · St Louis, MO · 2023

    Cures collaborative

  • $381,383

    Washington University in St Louis · St Louis, MO · 2024

    Cures collaborative

  • $322,050

    The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2024

    Cures collaborative

  • $302,993

    Emory University · Atlanta, GA · 2024

    Cures collaborative

  • $298,589

    University College London · 2023

    Single ventricle research fund

  • $295,918

    Irccs Azienda Ospedaliero Universitaria Di Bologna · 2024

    Single ventricle research fund

  • $284,494

    The Chancellor Masters and Scholars of the University of Oxford · 2023

    Single ventricle research fund

  • $282,614

    The Rector & Visitors of the University of Virginia · Charlottesville, VA · 2024

    Single ventricle research fund

  • $278,076

    The Rector & Visitors of the University of Virginia · Charlottesville, VA · 2023

    Single ventricle research fund

  • $277,094

    The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2023

    Cures collaborative

  • $264,436

    Imperial College of Science Technology and Medicine · 2024

    Single ventricle research fund

  • $261,404

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

    Cures collaborative

  • $247,933

    Sanford Burnham Prebys Medical Discovery Institute · La Jolla, CA · 2024

    Catalyst to independence award

  • $243,772

    Yale University · New Haven, CT · 2023

    Cures collaborative

  • $241,941

    The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2024

    Catalyst to independence award

  • $240,175

    Stanford University · Stanford, CA · 2022

    Cures collaborative

  • $237,000

    Enduring Hearts · Marietta, GA · 2022

    Grants for research on pediatric donor heart availability and quality

  • $233,359

    The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2024

    Cures collaborative

  • $231,183

    Washington University in St Louis · St Louis, MO · 2022

    Cures collaborative

  • $230,000

    Catholic University of Leuven · 2024

    Single ventricle research fund

  • $230,000

    Catholic University of Leuven · 2023

    Single ventricle research fund

  • $227,998

    Children'S Hospital Los Angeles · Los Angeles, CA · 2024

    Single ventricle research fund

  • $225,412

    Research Institute at Nationwide Children'S Hospital · Columbus, OH · 2024

    Single ventricle research fund

  • $224,889

    Carnegie Mellon University · Pittsburgh, PA · 2022

    Cures collaborative

  • $222,950

    The Hospital for Sick Children · 2023

    Single ventricle research fund

  • $221,347

    Yale University · New Haven, CT · 2024

    Single ventricle research fund

  • $221,200

    The Hospital for Sick Children · 2024

    Single ventricle research fund

  • $221,100

    Cornell University · Ithaca, NY · 2023

    Single ventricle research fund

  • $220,000

    California Institute of Technology · Pasadena, CA · 2024

    Single ventricle research fund

  • $220,000

    Children'S Hospital Medical Center · Cincinnati, OH · 2024

    Single ventricle research fund

  • $220,000

    Cornell University · Ithaca, NY · 2024

    Single ventricle research fund

  • $220,000

    Duke University · Durham, NC · 2024

    Single ventricle research fund

  • $220,000

    Emory University · Atlanta, GA · 2024

    Single ventricle research fund

  • $220,000

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

    Single ventricle research fund

  • $220,000

    Imagine Institute · 2024

    Single ventricle research fund

  • $220,000

    Indiana University · Bloomington, IN · 2024

    Single ventricle research fund

  • $220,000

    Massachusetts General Hospital · Boston, MA · 2024

    Single ventricle research fund

  • $220,000

    Nationwide Children'S Hospital · Columbus, OH · 2024

    Single ventricle research fund

  • $220,000

    New York University · New York, NY · 2024

    Single ventricle research fund

  • $220,000

    Regents of the University of California at San Diego · La Jolla, CA · 2024

    Single ventricle research fund

  • $220,000

    Regents of the University of California San Francisco · San Francisco, CA · 2024

    Single ventricle research fund

  • $220,000

    The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2024

    Single ventricle research fund

  • $220,000

    The Children'S Hospital of Philadelphia · Philadelphia, PA · 2024

    Single ventricle research fund

  • $220,000

    Universita Degli Studi Di Torino · 2024

    Single ventricle research fund

  • $220,000

    University Health Network · 2024

    Single ventricle research fund

  • $220,000

    University of Pittsburgh · Pittsburgh, PA · 2024

    Single ventricle research fund

  • $220,000

    University of South Florida · Tampa, FL · 2024

    Single ventricle research fund

  • $220,000

    Washington University in St Louis · St Louis, MO · 2024

    Single ventricle research fund

  • $220,000

    California Institute of Technology · Pasadena, CA · 2023

    Single ventricle research fund

  • $220,000

    Children'S Hospital Los Angeles · Los Angeles, CA · 2023

    Single ventricle research fund

  • $220,000

    Children'S Hospital Medical Center · Cincinnati, OH · 2023

    Single ventricle research fund

  • $220,000

    Cornell University · Ithaca, NY · 2023

    Single ventricle research fund

  • $220,000

    Duke University · Durham, NC · 2023

    Single ventricle research fund

  • $220,000

    Emory University · Atlanta, GA · 2023

    Single ventricle research fund

  • $220,000

    Harvard University · Cambridge, MA · 2023

    Single ventricle research fund

  • $220,000

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

    Single ventricle research fund

  • $220,000

    Imagine Institute · 2023

    Single ventricle research fund

  • $220,000

    Indiana University · Bloomington, IN · 2023

    Single ventricle research fund

  • $220,000

    Massachusetts General Hospital · Boston, MA · 2023

    Single ventricle research fund

  • $220,000

    Massachusetts Institute of Technology · Cambridge, MA · 2023

    Single ventricle research fund

  • $220,000

    Nationwide Children'S Hospital · Columbus, OH · 2023

    Single ventricle research fund

  • $220,000

    Regents of the University of California at San Diego · La Jolla, CA · 2023

    Single ventricle research fund

  • $220,000

    Regents of the University of California San Francisco · San Francisco, CA · 2023

    Single ventricle research fund

  • $220,000

    Regents of the University of Colorado · Denver, CO · 2023

    Single ventricle research fund

  • $220,000

    The Board of Trustees of the Leland Stanford Junior University · Redwood City, CA · 2023

    Single ventricle research fund

  • $220,000

    The Children'S Hospital of Philadelphia · Philadelphia, PA · 2023

    Single ventricle research fund

  • $220,000

    Universita Degli Studi Di Torino · 2023

    Single ventricle research fund

  • $220,000

    University of South Florida · Tampa, FL · 2023

    Single ventricle research fund

  • $220,000

    Yale University · New Haven, CT · 2023

    Single ventricle research fund

  • $220,000

    Children'S Hospital of Los Angeles · Los Angeles, CA · 2022

    Single ventricle research fund

  • $220,000

    Cincinnati Children'S Hospital Medical Center · Cincinnati, OH · 2022

    Single ventricle research fund

  • $220,000

    Cornell University · Ithaca, NY · 2022

    Single ventricle research fund

  • $220,000

    Duke University · Durham, NC · 2022

    Single ventricle research fund

  • $220,000

    Emory University · Atlanta, GA · 2022

    Single ventricle research fund

  • $220,000

    Harvard University · Cambridge, MA · 2022

    Single ventricle research fund

  • $220,000

    Icahn School of Medicine at Mount Sinai · New York, NY · 2022

    Single ventricle research fund

  • $220,000

    Imagine Institute · 2022

    Single ventricle research fund

  • $220,000

    Massachusetts General Hospital · Boston, MA · 2022

    Single ventricle research fund

  • $220,000

    Massachusetts Institute of Technology · Cambridge, MA · 2022

    Single ventricle research fund

  • $220,000

    Nationwide Children'S Hospital · Columbus, OH · 2022

    Single ventricle research fund

  • $220,000

    Regents of the University of California at San Diego · La Jolla, CA · 2022

    Single ventricle research fund

  • $220,000

    Regents of the University of California San Francisco · San Francisco, CA · 2022

    Single ventricle research fund

  • $220,000

    Regents of the University of Colorado · Denver, CO · 2022

    Single ventricle research fund

  • $220,000

    Stanford University · Stanford, CA · 2022

    Single ventricle research fund

  • $220,000

    Universita Degli Studi Di Torino · 2022

    Single ventricle research fund

  • $220,000

    University of Texas Medical Branch at Galveston · Galveston, TX · 2022

    Single ventricle research fund

View all 197 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.