Howard & Katherine Aibel Foundation Inc

Private foundation · Grantmaker Concord, MA EIN: 23-7046798

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.

Key facts about Howard & Katherine Aibel Foundation Inc

In short: Howard & Katherine Aibel Foundation Inc gave $291K across 74 grants in 2024 (avg $4K), top state Connecticut. 8% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

EIN
23-7046798
Latest 990 filing
Form 990-PF, 2024
Annual giving (2024)
$291,340
Grants made (2024)
74
Average grant
$3,937
Median grant
$645
New grantees (estimate)
8% first-time grantees (6 of 74, 2024)
Total assets
$3,204,080
Primary geography
Connecticut (35% of itemized 2024 grant dollars)
Accepts unsolicited proposals
No
How to apply
The foundation does not accept unsolicited requests for funds and makes contributions only to preselected charitable organizations. Full details ↓

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$3.2M

-3.7% YoY

Annual Giving

$291K

-15.7% YoY

Grant Count

74

-8.6% YoY

Avg Grant Size

$4K

-7.7% YoY

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.

Is Howard & Katherine Aibel Foundation Inc open to new grantees?

8%

first-time grantees, 2024

In 2024, 6 of 74 grantees (8%) were first-time recipients. First grants averaged $423; repeat grants $4K. How we count

Medians: $500 first-time, $1K repeat.

  • 88% 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.

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.

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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

13states

Share of 2024 grant dollars across all 74 itemized grants.

Cities

BostonNew YorkWestportWashingtonWestonBridgeportConcordFairfieldNorwalkChicagoNew HavenCambridgeHagerstownHartfordBrooklynDorchesterEast HaddamGreat BarringtonHamdenJamaica Plain

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K95 grants2020 91 grants2021 86 grants2022 81 grants2023 74 grants2024

From 2020 to 2024, annual grant giving ranged from $241K (2020) to $401K (2021). In 2024 it made 74 grants totaling $291K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Poly Prep Country Day School: $30KPoly Prep Country Day School$30KAlliance of Resident Theatresny: $25KAlliance of ResidentTheatresny$25KQuick Center for the Arts: $25KQuick Center for the Arts$25KFund for Lachat Town Farm: $20KFund for Lachat Town Farm$20KMy Friend Abby: $20KMy Friend Abby$20KSuffolk University: $17KSuffolk University$17KNYU Tisch School of the Arts: $16KNYU Tisch School of the Arts$16KHuntington Theatre Company: $15KHuntington Theatre Company$15KCastle of Our Skins: $13KCastle of Our Skins$13KKerem Shalom: $10KKerem Shalom$10K

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

427<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 427 grants of 427 (100%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Poly Prep Country Day School Brooklyn, NYTo Further the Donees' Exempt Purpose.$30,000
Alliance of Resident Theatresny New York, NYTo Further the Donees' Exempt Purpose.$25,000
Quick Center for the Arts Fairfield, CTTo Further the Donees' Exempt Purpose.$25,000
Fund for Lachat Town Farm Weston, CTTo Further the Donees' Exempt Purpose.$20,000
My Friend Abby Trumbull, CTTo Further the Donees' Exempt Purpose.$20,000
Suffolk University Boston, MATo Further the Donees' Exempt Purpose.$17,000
NYU Tisch School of the Arts New York, NYTo Further the Donees' Exempt Purpose.$15,750
Huntington Theatre Company Boston, MATo Further the Donees' Exempt Purpose.$15,000
Castle of Our Skins Roxbury, MATo Further the Donees' Exempt Purpose.$12,500
Kerem Shalom Concord, MATo Further the Donees' Exempt Purpose.$10,000

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants
2024 $3,204,080 $216,716 $340,344 $291,340
2023 $3,327,708 $237,101 $376,554 $345,500
2022 $3,467,161 $182,463 $382,753 $332,200
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$200K$400K$600K$800K2020 2021 2022 2023 2024
Metric202420232022
Total Assets$3,204,080$3,327,708$3,467,161
Revenue$216,716$237,101$182,463
Expenses$340,344$376,554$382,753
Qualifying Distributions$299,013$346,216$336,405
Net Investment Income$177,425$206,763$147,172
Distributable Amount$221,799$208,845$226,921

Data update history

When this profile's IRS filing data changed on Grantable

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

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.

Contact

Mailing address: PO Box 764, Concord, MA 01742
Phone: (978) 371-2267

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 $423 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.

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