The William & Sylvia Silberstein

Private foundation · Grantmaker Rye, NY EIN: 23-7108375

The William & Sylvia Silberstein is a private foundation based in Rye, New York. Its 2024 filing reports 45 grants totaling $622,000 to charitable organizations, including organizations in health, education, animal welfare, and other areas.

The William & Sylvia Silberstein at a glance

In short: The William & Sylvia Silberstein gave $622K across 45 grants in 2024 (avg $14K), mostly in New York. 11% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$622,000
-15.6% vs 2023
Grants made (2024)
45
-25.0% vs 2023
Average grant
$13,822
+12.6% vs 2023
Median grant
$5,000
Total assets
$12,299,666
+9.0% vs 2023
New grantees (estimate)
11% first-time grantees (5 of 45, 2024)
Primary geography
New York (57% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The William & Sylvia Silberstein

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 14 Hannan Place, Rye, NY 10580
Phone: (914) 698-6636

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who The William & Sylvia Silberstein funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Cystic Fibrosis Foundation: $113KCystic Fibrosis Foundation$113KASPCA: $100KASPCA$100KNYU Medical Center: $50KNYU Medical Center$50KThe Foundation to Combat Antisemitism: $37KThe Foundation to CombatAntisemitism$37KFriends of Israel Defense Forces: $35KFriends of Israel DefenseForces$35KAmerican Heart Association: $25KAmerican Heart Association$25KKing Low Heywood Thomas School: $25KKing Low Heywood Thomas School$25KRye Country Day School: $25KRye Country Day School$25KAmerican Red Cross: $20KAmerican Red Cross$20KDartmouth College: $20KDartmouth College$20K

The largest 2024 recipient was Cystic Fibrosis Foundation ($113K). Together the top 10 received $450K.

Grant Size Distribution

254 grants across all recorded years

235<$50K8$50–100K11$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 235 grants of 254 (93%).

Geographic Focus

Where this funder awards grants

In 2024, the largest shares of grant dollars went to recipients in New York (57%), Maryland (18%), Connecticut (11%), Massachusetts (6%), and New Hampshire (3%). The foundation also reported grants to recipients in California, New Jersey, and Washington.

Grant Distribution by State

23states

Share of 2024 grant dollars across all 45 itemized grants.

Cities

New YorkStamfordRyeWashingtonArmonkBethesdaChicagoCos CobSuffernThe BronxHanoverKenilworthLos AngelesRidgefieldWoodburyBethpageCross RiverElmsfordGreenwichMount Vernon

Is The William & Sylvia Silberstein open to new grantees?

11%

first-time grantees, 2024

In 2024, 5 of 45 grantees (11%) were first-time recipients. First grants averaged $16K; repeat grants $14K. How we count

Medians: $5K first-time, $5K repeat.

  • 76% of 2024 grantees were also funded in 2023. Method
  • Giving held roughly steady from 2021 to 2024 (+14%). Method
  • In 2024 it paid out 98% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$250K$500K$750K$1M58 grants2020 28 grants2021 63 grants2022 60 grants2023 45 grants2024

From 2020 to 2024, annual grant giving ranged from $548K (2021) to $870K (2020). In 2024 it made 45 grants totaling $622K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Cystic Fibrosis Foundation Bethesda, MDGeneral Support$113,000
ASPCA New York, NYGeneral Support$100,000
NYU Medical Center New York, NYGeneral Support$50,000
The Foundation to Combat Antisemitism Foxboro, MAGeneral Support$37,000
Friends of Israel Defense Forces New York, NYGeneral Support$35,000
American Heart Association Suffern, NYGeneral Support$25,000
King Low Heywood Thomas School Stamford, CTGeneral Support$25,000
Rye Country Day School Rye, NYGeneral Support$25,000
American Red Cross White Plains, NYGeneral Support$20,000
Dartmouth College Hanover, NHGeneral Support$20,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$12,299,666$1,904,727$890,669$622,00045$648,337$1,670,519$662,564
2023$11,285,608$939,722$975,905$736,64060$740,998$722,006$662,648
2022$11,321,791$1,123,129$995,151$787,22063$786,173$923,692$676,263
2021$11,193,813$1,233,677$717,891$547,90028—$1,064,390$750,878
2020$10,678,599$423,597$1,044,544$870,00058—$256,434$638,633

Under IRS private-foundation payout rules, The William & Sylvia Silberstein reported a distributable amount of $663K for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated October 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations. For example, Rye Country Day School describes its work as providing a college-preparatory education from pre-kindergarten through grade 12; the Anti-Defamation League describes its mission as combating antisemitism and other forms of hate; and Kids in Crisis describes its work as providing prevention, counseling, and crisis services for children and families.

Grantmaking

In 2024, the foundation made 45 grants totaling $622,000. Awards ranged from $1,000 to $113,000, with a median grant of $5,000. The largest grants included $113,000 to the Cystic Fibrosis Foundation, $100,000 to ASPCA, $50,000 to NYU Medical Center, $37,000 to the Foundation to Combat Antisemitism, and $35,000 to Friends of Israel Defense Forces. Each of these grants was designated for general support. Other reported 2024 grants included $25,000 to Rye Country Day School and $14,000 to the Anti-Defamation League.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Bruce Silberstein as president, Trudy Williams as treasurer, and Beth Grotta as vice president.

The William & Sylvia Silberstein is led by Bruce Silberstein, President on every filing since 2020; none of the 3 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Bruce Silberstein

    President

    On filings since 2020

    0.5 hrs/week

    No compensation reported

  • Beth Grotta

    Vice President

    On filings since 2020

    0.5 hrs/week

    No compensation reported

  • Trudy Williams

    Treasurer

    On filings since 2022

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Claire Martino (2020–2021) — Treasurer

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about The William & Sylvia Silberstein

How much does The William & Sylvia Silberstein give each year?

The William & Sylvia Silberstein gave $622K across 45 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $737K across 60 grants.

What is The William & Sylvia Silberstein's typical grant size?

The William & Sylvia Silberstein's median grant in 2024 was $5,000, and its average grant was $13,822, across 45 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from The William & Sylvia Silberstein that year got $16K on average.

Where does The William & Sylvia Silberstein give grants?

The William & Sylvia Silberstein gives mostly in New York: 57% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Maryland (18%) and Connecticut (11%). The most frequent recipient cities were New York, NY (11 grants), Stamford, CT (5 grants), Rye, NY (2 grants) and Armonk, NY (2 grants).

Does The William & Sylvia Silberstein give general operating support?

Yes: 100% of The William & Sylvia Silberstein's 2024 grants with a stated purpose (45 of 45) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are The William & Sylvia Silberstein's largest grantees?

The William & Sylvia Silberstein's largest 2024 grantees include Cystic Fibrosis Foundation ($113,000), ASPCA ($100,000) and NYU Medical Center ($50,000), according to its 2024 IRS Form 990-PF. Together they received 42% of its itemized 2024 grant dollars.

How large is The William & Sylvia Silberstein?

The William & Sylvia Silberstein reported $12.3M in total assets on its 2024 IRS Form 990-PF. It paid out $648K in qualifying distributions that year, against a required minimum of $663K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does The William & Sylvia Silberstein fund?

No mission statement for the foundation is provided. Its 2024 grants show support for a range of organizations. See mission & focus areas ↑

How do I apply for a grant from The William & Sylvia Silberstein?

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The William & Sylvia Silberstein's EIN?

The William & Sylvia Silberstein's EIN (Employer Identification Number) is 23-7108375. IRS Form 990 filing data is available on this page for 2020–2024.

Does The William & Sylvia Silberstein accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). The William & Sylvia Silberstein funder profile. GrantGraph. Retrieved October 11, 2026, from https://grantable.co/funders/the-william-and-sylvia-silberstein-morg_fd5118fcab334b02947ac2042c60c4a0

BibTeX
@misc{grantable_237108375_2026,
  author       = {{Grantable}},
  title        = {{The William \& Sylvia Silberstein funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/the-william-and-sylvia-silberstein-morg_fd5118fcab334b02947ac2042c60c4a0},
  note         = {Accessed 2026-10-11. Data licensed CC BY 4.0}
}

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Figures come from The William & Sylvia Silberstein's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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