Fernholz Foundation

Private foundation · EIN 90-0403980 · since 2008·California, Massachusetts, New Jersey, New York·Updated 13 October 2026

At a glance

$1.1M
Annual giving, 2025 tax year
From the Form 990-PF filing
$10,000 to $325k
Grant range
From grants in the 990-PF filings
$200k
Typical grant (median)
7 grants in the latest filing
Invitation only
Unsolicited applications are not accepted

This funder does not accept unsolicited applications. The foundation chooses the organisations it funds itself.

Key takeaways

  • The foundation states that it does not accept unsolicited requests and works by invitation only, so a small charity should not send it a cold application and should look for an introduction instead.
  • Its recorded grants centre on mathematics, including research, education and university mathematics departments, with further giving in neuroscience, affordable housing, a medical centre and a documentary about applied science, so the fit is clearest for work in those fields.
  • Half of its 18 grants to organisations were $200,000 or less and the median grant was $200,000, while typical grants fall between $10,000 and $325,000, so a modest request sits comfortably within much of its giving.
  • In its latest filing, 76% of its grant dollars to organisations went to organisations it had also funded in an earlier filing, so existing relationships carry real weight.
  • No geographic focus is stated, so location alone does not decide whether the foundation can be approached.

Overview

Fernholz Foundation is a US private foundation based in Princeton, NJ.

What they fund

Profile based on the foundation's IRS Form 990-PF filings (TY2025, TY2024, TY2023) only: no website or other web source for the foundation was found. Every statement is checked against the filings. Sources read on 12 October 2026.

Priority Areas

The foundation’s recorded grants concentrate on mathematical research and education, including support for schools and university mathematics departments. Neuroscience research is another area of giving. Its grants also include support for affordable housing and a medical centre, as well as a documentary film about applied science. The recipient organisations represented in the filings include a research institute, university departments, a community housing organisation and a medical centre. The pattern is led by mathematics, with additional grants spanning scientific research, housing, health and applied-science communication.

Themes

From its grants, not stated by the foundation:

  • Mathematics

Geographic Focus

No geographic focus is stated; the filings show grants mainly in New Jersey, New York, California and Massachusetts.

How to apply

The foundation states that it does not accept unsolicited requests.

Application success factors

  • Repeat giving: In its TY2025 filing, 76% of its grant dollars to organisations went to organisations it had also funded in its TY2023 or TY2024 filing.
  • Grant size: Across its TY2023, TY2024 and TY2025 filings, half of its 18 grants to organisations were $200,000 or less.

Where grants go

From grants to organisations in the foundation’s filings for tax years 2023–2025.

Grant dollars by state

New Jersey56%
New York23%
California13%
Massachusetts8%
  • The largest single recipient received 29% of grant dollars to organisations.
  • In tax year 2025, 76% of grant dollars went to organisations Fernholz Foundation had funded in earlier filings.
  • No grants were paid directly to organisations outside the US.

Grants

7 grants in the latest filing analysed · median $200k

How much do they typically give?

Share of 7 grants in tax year 2025 by size

$10k–$25k29%
$25k–$50k0%
$50k–$100k14%
$100k–$250k14%
$250k–$500k43%

Median $200k (tax year 2025)

The largest grants to organisations in the foundation’s latest filing:

  • Change Maker Trust · Documentary film about applied science
    $250,0002025 tax year
  • Institute for Advanced Study · School of mathematics
    $250,0002025 tax year
  • Princeton University Math Department · Department of mathematics
    $250,0002025 tax year
  • Simons Laufer Mathematical Sciences Institute · School of mathematics
    $200,0002025 tax year
  • Columbia University · Department of mathematics
    $75,0002025 tax year
  • Princeton Community Housing · General support - affordable housing
    $20,0002025 tax year
  • Princeton Medical Center · General support - mecial center
    $10,0002025 tax year

Grants to organisations listed in the foundation’s Form 990-PF filings. Grants to individuals are not shown.

Officers and directors

  • Daniel T Fernholz — Director
  • Ryan Briganti — Director
  • Ricardo T Fernholz — Director
  • Luisa T Fernholz — Director, President
  • E Robert Fernholz — Director, Secretary

From the latest Form 990-PF filing

3 years of tax filings

YearTotal expensesGrants paidAssetsFiling document
2023 tax year$797,484$795,000$20,780,573Filing for 2023 tax year
2024 tax year$1,263,503$1,255,000$23,015,866Filing for 2024 tax year
2025 tax year$1,063,819$1,055,000$25,124,723Filing for 2025 tax year

Figures from the foundation’s IRS Form 990-PF filings. Assets are at fair market value at year end. The document icon links to each year’s filing on ProPublica Nonprofit Explorer.

Sources

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Contact

  • Princeton, NJ