Joseph & Florence Manaster Foundation
Joseph & Florence Manaster Foundation is a private foundation, based in Chicago, IL. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $318K in total assets. In 2025, it awarded 8 grants totaling $362K. Net investment income was $24K.
Joseph & Florence Manaster Foundation at a glance
In short: Joseph & Florence Manaster Foundation gave $362K across 8 grants in 2025 (avg $45K), mostly in Arizona. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $362,256
- +546.1% vs 2024
- Grants made (2025)
- 8
- +0.0% vs 2024
- Average grant
- $45,282
- +546.1% vs 2024
- Median grant
- $2,175
- Total assets
- $318,340
- -51.8% vs 2024
- Primary geography
- Arizona (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Joseph & Florence Manaster Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Honor Health Foundation ($294K). Together the top 7 received $304K.
Grant Size Distribution
51 grants across all recorded years
The most common grant size was under $50K: 46 grants of 51 (90%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 8 itemized grants.
States
Cities
How Joseph & Florence Manaster Foundation gives
- Giving grew 190% from 2022 to 2025. Method
- In 2025 it paid out 717% 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 2025, annual grant giving ranged from $56K (2024) to $362K (2025). In 2025 it made 8 grants totaling $362K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Honor Health Foundation Phoenix, AZ | Donation | $294,007 |
| Miscellaneous Organized Charities Phoenix, AZ | Donations | $57,900 |
| Sandra Day O'Connor Institute Phoenix, AZ | Donation | $4,000 |
| Avant Garde Phoenix, AZ | Donation | $3,149 |
| Tourette Association of Chicago Phoenix, AZ | Donations | $1,200 |
| Fresh Start Womens Foundation Phoenix, AZ | Donation | $1,000 |
| Shalva Phoenix, AZ | Donation | $500 |
| Two Pups Wellness Fund Phoenix, AZ | Donations | $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 |
|---|---|---|---|---|---|---|---|---|
| 2025 | $318,340 | $24,498 | $366,431 | $362,256 | 8 | $362,256 | $24,498 | $50,547 |
| 2024 | $660,273 | $35,116 | $61,108 | $56,064 | 8 | $56,064 | $35,116 | $59,185 |
| 2023 | $686,265 | $-56,365 | $87,902 | $83,405 | 13 | $83,405 | $38,591 | $50,350 |
| 2022 | $830,532 | $31,224 | $127,158 | $124,714 | 8 | $124,714 | $33,793 | $59,966 |
| 2021 | $926,466 | $107,472 | $194,128 | $184,500 | 14 | $184,500 | $107,472 | $64,842 |
| 2020 | $1,013,122 | $321,294 | $68,447 | $65,250 | 12 | — | $321,294 | $56,159 |
Under IRS private-foundation payout rules, Joseph & Florence Manaster Foundation reported a distributable amount of $51K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Joseph & Florence Manaster Foundation is led by Murray Manaster, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Murray Manaster
President
On filings since 2020
3 hrs/week
No compensation reported
Walter March
Director
On filings since 2020
1 hr/week
No compensation reported
Ina Manaster
Secretary
On filings since 2020
3 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "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 Joseph & Florence Manaster Foundation
How much does Joseph & Florence Manaster Foundation give each year?
Joseph & Florence Manaster Foundation gave $362K across 8 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $56K across 8 grants.
What is Joseph & Florence Manaster Foundation's typical grant size?
Joseph & Florence Manaster Foundation's median grant in 2025 was $2,175, and its average grant was $45,282, across 8 grants on its 2025 IRS Form 990-PF.
Where does Joseph & Florence Manaster Foundation give grants?
Joseph & Florence Manaster Foundation gives mostly in Arizona: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Phoenix, AZ (8 grants).
Does Joseph & Florence Manaster Foundation give general operating support?
Not in 2025: none of the 8 grants with a stated purpose on Joseph & Florence Manaster Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Donation" (5 grants) and "Donations" (3 grants).
Who are Joseph & Florence Manaster Foundation's largest grantees?
Joseph & Florence Manaster Foundation's largest 2025 grantees include Honor Health Foundation ($294,007), Sandra Day O'Connor Institute ($4,000) and Avant Garde ($3,149), according to its 2025 IRS Form 990-PF. Together they received 83% of its itemized 2025 grant dollars.
How large is Joseph & Florence Manaster Foundation?
Joseph & Florence Manaster Foundation reported $318K in total assets on its 2025 IRS Form 990-PF. It paid out $362K in qualifying distributions that year, against a required minimum of $51K (roughly 5% of its investment assets).
What is Joseph & Florence Manaster Foundation's EIN?
Joseph & Florence Manaster Foundation's EIN (Employer Identification Number) is 36-6093350. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS February 24, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS February 25, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS February 14, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS January 29, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS February 10, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 2, 2026)
- IRS filings on file for fiscal years 2020–2025
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