Tau Foundation Inc
Tau Foundation Inc is a private foundation, based in New York, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $599K in total assets. In 2024, it awarded 9 grants totaling $150K. Net investment income was $92K.
Tau Foundation Inc at a glance
In short: Tau Foundation Inc gave $150K across 9 grants in 2024 (avg $17K), mostly in New Jersey. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $149,500
- +498.0% vs 2023
- Grants made (2024)
- 9
- +800.0% vs 2023
- Average grant
- $16,611
- -33.6% vs 2023
- Median grant
- $5,000
- Total assets
- $599,495
- -9.3% vs 2023
- Primary geography
- New Jersey (62% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated October 2026.
Who Tau Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 9 recipients in 2024
The largest 2024 recipient was American Friends of United Jewish Appeal of Greater Toronto Inc ($92K). Together the top 9 received $150K.
Grant Size Distribution
15 grants across all recorded years
The most common grant size was under $50K: 12 grants of 15 (80%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 9 itemized grants.
Cities
How Tau Foundation Inc gives
- Giving held roughly steady from 2021 to 2024 (+0%). Method
- In 2024 it paid out 361% of its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2024, annual grant giving ranged from $5K (2022) to $150K (2021). In 2024 it made 9 grants totaling $150K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| American Friends of United Jewish Appeal of Greater Toronto Inc Whippany, NJ | Charitable | $92,000 |
| Indspire | Charitable | $25,000 |
| The Stop Community Food Centre | Charitable | $5,000 |
| First Narayever Congregation | Charitable | $5,000 |
| Ve'ahavta | Charitable | $5,000 |
| Paul Penna Downtown Jewish | Charitable | $5,000 |
| The Piatigorsky Foundation Newyork, NY | Charitable | $5,000 |
| The Jewish Federation of Greater Charlotte, NC | Charitable | $5,000 |
| Homes First Olympia, WA | Charitable | $2,500 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2024 | $599,495 | $98,928 | $160,626 | $149,500 | 9 | $153,032 | $91,534 | $42,441 |
| 2023 | $661,193 | $21,008 | $35,408 | $25,000 | 1 | $28,269 | $14,368 | $41,820 |
| 2022 | $675,593 | $27,976 | $16,969 | $5,000 | 1 | $8,433 | $20,687 | $41,385 |
| 2021 | $664,586 | $110,574 | $164,196 | $150,000 | 2 | $154,830 | $101,707 | $47,718 |
| 2020 | $718,208 | $32,463 | $74,518 | $55,000 | 2 | — | $20,985 | $43,747 |
Under IRS private-foundation payout rules, Tau Foundation Inc reported a distributable amount of $42K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Tau Foundation Inc is led by Joram Piatigorsky, President & Treasurer on every filing since 2020; none of the 3 officers listed in 2024 report compensation.
Officers on the 2024 filing
Joram Piatigorsky
President & Treasurer
On filings since 2020
0.5 hrs/week
No compensation reported
Lona Piatigorsky
Chairman & Assistant Secretary
On filings since 2020
0.5 hrs/week
No compensation reported
Anton J. Piatigorsky
Vice President & Secretary
On filings since 2020
0.3 hrs/week
No compensation reported
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 Tau Foundation Inc
How much does Tau Foundation Inc give each year?
Tau Foundation Inc gave $150K across 9 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $25K across 1 grant.
What is Tau Foundation Inc's typical grant size?
Tau Foundation Inc's median grant in 2024 was $5,000, and its average grant was $16,611, across 9 grants on its 2024 IRS Form 990-PF.
Where does Tau Foundation Inc give grants?
Tau Foundation Inc gives mostly in New Jersey: 62% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there.
Does Tau Foundation Inc give general operating support?
Not in 2024: none of the 9 grants with a stated purpose on Tau Foundation Inc's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable" (9 grants).
Who are Tau Foundation Inc's largest grantees?
Tau Foundation Inc's largest 2024 grantees include American Friends of United Jewish Appeal of Greater Toronto Inc ($92,000), Indspire ($25,000) and The Stop Community Food Centre ($5,000), according to its 2024 IRS Form 990-PF. Together they received 82% of its itemized 2024 grant dollars.
How large is Tau Foundation Inc?
Tau Foundation Inc reported $599K in total assets on its 2024 IRS Form 990-PF. It paid out $153K in qualifying distributions that year, against a required minimum of $42K (roughly 5% of its investment assets).
What is Tau Foundation Inc's EIN?
Tau Foundation Inc's EIN (Employer Identification Number) is 45-0571259. IRS Form 990 filing data is available on this page for 2020–2024.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS November 15, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 15, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 14, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 15, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS November 12, 2025)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work Tau Foundation Inc funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
- Nixa Affiliate Grantmaking Program Up to US $10,000 · Due October 19, 2026
- Community and School Grants $28,000 total pool; 10-15 grants expected · Due October 19, 2026
- Mary Pinola/Crescenta Valley Chamber Education Fund $500 - $5,000 for ongoing programs; up to $15,000 for Strategic Initiative Grants · Due October 19, 2026
Explore Open Grants
Browse active grant opportunities in Tau Foundation Inc's focus areas in our free grants database
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