Macaskill Foundation

OYSTER BAY, NY EIN: 13-4133321

Macaskill Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in OYSTER BAY, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $3.1M in total assets. In 2024, it awarded 24 grants totaling $88K. Net investment income was $134K.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$3.1M

+13.8% YoY

Annual Giving

$88K

-23.5% YoY

Grant Count

24

-11.1% YoY

Avg Grant Size

$4K

-13.9% YoY

About Macaskill Foundation

Based on IRS filings

Macaskill Foundation is a private foundation focused on Philanthropy, Voluntarism & Grantmaking, based in OYSTER BAY, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $3.1M in total assets. In 2024, it awarded 24 grants totaling $88K. Net investment income was $134K.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

8states

Cities

AmericusBayvilleBrooklynCambridgeCold Spring HarborJacksonvilleLocust ValleyMill NeekNew Hyde ParkNew YorkOyster BayTellurideTopekaWashingtonWashington DcWatertown

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$675K$1M$2M$3M20202021202220232024
Metric202420232022
Total Assets$3,099,415$2,723,114$2,526,154
Revenue$491,548$-634,800$54,258
Expenses$90,650$116,750$138,000
Qualifying Distributions$87,600$114,500$138,000
Net Investment Income$134,382$56,052$54,258
Distributable Amount$5,814$183,728$128,225

Giving Over Time

Total grant dollars and number of grants per year

$0$156K$312K$467K$623K12 grants202025 grants202128 grants202227 grants202324 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

COLD SPRING HARBOR LAB$10KMEMORIAL SLOAN KETTERING…$10KNORTH SHORE LAND ALLIANCE$10KTELLURIDE FOUNDATION$10KDOCTORS WITHOUT BORDERS$5KMOUNTAIN FILM$5KPREP FOR PREP$5KGLENCOVE HOSPITAL$3KHARVARD SCHOOL$3KWOUNDED WARRIOR PROJECT$3K

Grant Size Distribution

116 grants across all recorded years

112<$50K$50–100K4$100–250K$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

No grants recorded for .

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
JOHN MACASKILLTRUSTEE-AS REQUIRED
BRIDGET A MACASKILLTRUSTEE-AS REQUIRED

Subject Areas

Focus areas based on grantmaking activity

Related Funders

Similar funders by location and focus area

Data last updated April 2026. Sourced from IRS Form 990-PF filings.

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