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 2022–2024. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
What they fund
researchsingleventricleawardcollaborativecuresexpansioncatalyst
Full IRS filings ↗How this is builtReport 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.
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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
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
Who else funds this kind of work
Same state
- Silicon Valley Community Foundation10,471 grants · $10.10B
- Tides Foundation9,402 grants · $1.86B
- UCLA Foundation276 grants · $1.75B
Similar purposes
- The Robert Wood Johnson Foundation13,555 grants · $2.27B
- Mayo Clinic Group Return834 grants · $5.43B
- The Susan Thompson Buffett Foundation1,530 grants · $3.56B
Similar grant size
- The Ford Foundation10,731 grants · $2.35B
- Corporation for Public Broadcasting3,863 grants · $2.33B
- The William & Flora Hewlett Foundation5,652 grants · $1.75B
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: 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.

