Howard & Katherine Aibel Foundation Inc
The Howard & Katherine Aibel Foundation is a private foundation based in Concord, Massachusetts. In 2024, it made 74 grants totaling $291,340 to charitable organizations, including schools, arts organizations, and community-service organizations.
Howard & Katherine Aibel Foundation Inc at a glance
In short: Howard & Katherine Aibel Foundation Inc gave $291K across 74 grants in 2024 (avg $4K), top state Connecticut. 5% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $291,340
- -15.7% vs 2023
- Grants made (2024)
- 74
- -8.6% vs 2023
- Average grant
- $3,937
- -7.7% vs 2023
- Median grant
- $645
- Total assets
- $3,204,080
- -3.7% vs 2023
- New grantees (estimate)
- 5% first-time grantees (4 of 74, 2024)
- Primary geography
- Connecticut (35% 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 Howard & Katherine Aibel Foundation Inc
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations.
- Contact
Mailing address: PO Box 764, Concord, MA 01742
Phone: (978) 371-2267
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who Howard & Katherine Aibel Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
The largest 2024 recipient was Poly Prep Country Day School ($30K). Together the top 10 received $190K.
Grant Size Distribution
427 grants across all recorded years
The most common grant size was under $50K: 427 grants of 427 (100%).
Geographic Focus
Where this funder awards grants
In 2024, grant dollars went primarily to recipients in Connecticut (35%), Massachusetts (34%), and New York (29%). Illinois received 1%, and the share for the District of Columbia was 0%.
Grant Distribution by State
Share of 2024 grant dollars across all 74 itemized grants.
States
Cities
Is Howard & Katherine Aibel Foundation Inc open to new grantees?
5%
first-time grantees, 2024
In 2024, 4 of 74 grantees (5%) were first-time recipients. First grants averaged $510; repeat grants $4K. How we count
Medians: $500 first-time, $875 repeat.
- 89% of 2024 grantees were also funded in 2023. Method
- Giving fell 27% from 2021 to 2024. Method
- In 2024 it paid out 135% of its IRS minimum distribution (the 5% rule). 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
From 2020 to 2024, annual grant giving ranged from $241K (2020) to $401K (2021). In 2024 it made 74 grants totaling $291K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Poly Prep Country Day School Brooklyn, NY | To Further the Donees' Exempt Purpose. | $30,000 |
| Alliance of Resident Theatresny New York, NY | To Further the Donees' Exempt Purpose. | $25,000 |
| Quick Center for the Arts Fairfield, CT | To Further the Donees' Exempt Purpose. | $25,000 |
| Fund for Lachat Town Farm Weston, CT | To Further the Donees' Exempt Purpose. | $20,000 |
| My Friend Abby Trumbull, CT | To Further the Donees' Exempt Purpose. | $20,000 |
| Suffolk University Boston, MA | To Further the Donees' Exempt Purpose. | $17,000 |
| NYU Tisch School of the Arts New York, NY | To Further the Donees' Exempt Purpose. | $15,750 |
| Huntington Theatre Company Boston, MA | To Further the Donees' Exempt Purpose. | $15,000 |
| Castle of Our Skins Roxbury, MA | To Further the Donees' Exempt Purpose. | $12,500 |
| Kerem Shalom Concord, MA | To Further the Donees' Exempt Purpose. | $10,000 |
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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 | $3,204,080 | $216,716 | $340,344 | $291,340 | 74 | $299,013 | $177,425 | $221,799 |
| 2023 | $3,327,708 | $237,101 | $376,554 | $345,500 | 81 | $346,216 | $206,763 | $208,845 |
| 2022 | $3,467,161 | $182,463 | $382,753 | $332,200 | 86 | $336,405 | $147,172 | $226,921 |
| 2021 | $3,749,936 | $608,363 | $454,608 | $401,450 | 91 | $405,211 | $566,933 | $248,493 |
| 2020 | $3,564,160 | $370,318 | $278,148 | $241,135 | 95 | — | $337,159 | $214,573 |
Under IRS private-foundation payout rules, Howard & Katherine Aibel Foundation Inc reported a distributable amount of $222K for 2024 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
The foundation’s own filing does not state a mission. Its 2024 grants included support for organizations working in education, the arts, youth mental health, and community services. These are examples of grantee activities, not stated focus areas of the foundation.
Poly Prep Country Day School describes its mission as preparing and inspiring a diverse generation of leaders and global citizens. Castle of Our Skins says it fosters cultural curiosity and celebrates Black artistry through music. My Friend Abby says it empowers youth and young adults to create peer connections that improve mental and emotional health. Person to Person describes its work as supporting families and individuals with food, clothing, housing, and paths to economic opportunity.
Grantmaking
In 2024, the foundation made 74 grants totaling $291,340. Grants ranged from $250 to $30,000, with a median grant of $645. Among the largest awards were $30,000 to Poly Prep Country Day School; $25,000 each to Alliance of Resident TheatresNY and Quick Center for the Arts; and $20,000 each to Fund for Lachat Town Farm and My Friend Abby.
The filing describes grant purposes as furthering the recipient organizations’ exempt purposes.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2024 filing lists David W. Aibel, Daniel W. Aibel, and Jonathan Aibel as directors, and the Estate of Howard J. Aibel as manager.
Howard & Katherine Aibel Foundation Inc's 2024 filing lists 4 officers; none of the 4 officers listed in 2024 report compensation.
Officers on the 2024 filing
Daniel W. Aibel
Director
On filings since 2020
0.1 hrs/week
No compensation reported
David W. Aibel
Director
On filings since 2020
0.1 hrs/week
No compensation reported
Jonathan Aibel
Director
On filings since 2020
0.1 hrs/week
No compensation reported
Estate Of Howard J. Aibel
Manager
On filings since 2020
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 Howard & Katherine Aibel Foundation Inc
How much does Howard & Katherine Aibel Foundation Inc give each year?
Howard & Katherine Aibel Foundation Inc gave $291K across 74 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $346K across 81 grants.
What is Howard & Katherine Aibel Foundation Inc's typical grant size?
Howard & Katherine Aibel Foundation Inc's median grant in 2024 was $645, and its average grant was $3,937, across 74 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Howard & Katherine Aibel Foundation Inc that year got $510 on average.
Where does Howard & Katherine Aibel Foundation Inc give grants?
Howard & Katherine Aibel Foundation Inc's top state is Connecticut, with 35% of the grant dollars itemized on its 2024 IRS Form 990-PF. The next largest states were Massachusetts (34%) and New York (29%). The most frequent recipient cities were New York, NY (12 grants), Boston, MA (12 grants), Westport, CT (8 grants) and Concord, MA (3 grants).
Who are Howard & Katherine Aibel Foundation Inc's largest grantees?
Howard & Katherine Aibel Foundation Inc's largest 2024 grantees include Poly Prep Country Day School ($30,000), Alliance of Resident Theatresny ($25,000) and Quick Center for the Arts ($25,000), according to its 2024 IRS Form 990-PF. Together they received 27% of its itemized 2024 grant dollars.
How large is Howard & Katherine Aibel Foundation Inc?
Howard & Katherine Aibel Foundation Inc reported $3.2M in total assets on its 2024 IRS Form 990-PF. It paid out $299K in qualifying distributions that year, against a required minimum of $222K (roughly 5% of its investment assets).
What does Howard & Katherine Aibel Foundation Inc fund?
The foundation’s own filing does not state a mission. Its 2024 grants included support for organizations working in education, the arts, youth mental health, and community services. These are examples of grantee activities, not stated focus areas of the foundation. See mission & focus areas ↑
How do I apply for a grant from Howard & Katherine Aibel Foundation Inc?
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Howard & Katherine Aibel Foundation Inc's EIN?
Howard & Katherine Aibel Foundation Inc's EIN (Employer Identification Number) is 23-7046798. IRS Form 990 filing data is available on this page for 2020–2024.
Does Howard & Katherine Aibel Foundation Inc 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 September 2026.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2020–2024
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Cite this profile
Grantable. (2026). Howard & Katherine Aibel Foundation Inc funder profile. GrantGraph. Retrieved October 23, 2026, from https://grantable.co/funders/howard-and-katherine-aibel-foundation-inc-morg_c20d616488534458a54bbe4cc885d59f
BibTeX
@misc{grantable_237046798_2026,
author = {{Grantable}},
title = {{Howard \& Katherine Aibel Foundation Inc funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/howard-and-katherine-aibel-foundation-inc-morg_c20d616488534458a54bbe4cc885d59f},
note = {Accessed 2026-10-23. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Howard & Katherine Aibel Foundation Inc'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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