October Mountain Foundation Inc

LYNBROOK, NY EIN: 47-4442570

October Mountain Foundation Inc is a private family foundation established in December 2015 by Carol Davis and Dr. Joel Marcus. Based in Lynbrook, New York, the foundation operates as a 501(c)(3) organization dedicated to philanthropic grantmaking. The foundation has experienced significant growth since its inception, with total assets expanding from $4.5 million in 2021 to approximately $29.9 million by 2024.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$29.9M

+46.3% YoY

Annual Giving

$2.3M

+5.4% YoY

Grant Count

42

-4.5% YoY

Avg Grant Size

$55K

+10.5% YoY

Under IRS private-foundation payout rules, October Mountain Foundation Inc reported a distributable amount of $1.2M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation's grantmaking focuses on education, human services, philanthropy and voluntarism, with particular emphasis on human rights, social justice, addiction and substance abuse, and mental health. The foundation dedicates approximately 96% of its expenses to charitable disbursements, demonstrating a strong commitment to grantmaking efficiency.

Grantmaking

The foundation does not accept unsolicited funding requests. Grants are made exclusively to preselected charitable organizations through an invitation-only process.

Grant Range

$5,000 to $500,000

Average Grant

$64,100

How to Apply

**

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Geographic Focus

Where this funder awards grants

The foundation funds nationally, with particular emphasis on New York, Massachusetts, California, and Washington.

Grant Distribution by State

19states
+11 more states

Cities

AlbuquerqueAnn ArborBecketBerkeleyBerkeley HeightsBlack RockBostonBrooklynCambridgeChicagoCovinaDenverEatontownEl PasoEugeneGreat BarringtonGreenbraeHoustonKentLos Angeles

Financial History

Multi-year comparison from IRS filings

Metric Amount Year
Total Assets $29,876,263 2024
Total Giving $2,304,500 2024
Total Revenue $12,009,966 2024
Total Expenses $2,554,533 2024
Total Liabilities $0 2023

The foundation's growth has been fueled primarily by contributions from its founders. Investment income and dividends contributed $632,649 in 2024.

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$5M$11M$16M$22M20202021202220232024
Metric202420232022
Total Assets$29,876,263$20,420,830$22,041,446
Revenue$12,009,966$718,616$19,846,405
Expenses$2,554,533$2,341,340$2,328,516
Qualifying Distributions$2,443,838$2,278,392$2,315,006
Net Investment Income$1,696,110$656,468$115,615
Distributable Amount$1,217,893$1,121,486$252,498

Giving Over Time

Total grant dollars and number of grants per year

$0$577K$1M$2M$2M27 grants20202 grants202136 grants202244 grants202342 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

THE HAWKINS PROJECT$500KCENTER FOR REPRODUCTIVE …$250KFISTULA FOUNDATION$150KAUSTEN RIGGS CENTER$100KCARE FOR THE HOMELESS$100KCHESS IN THE SCHOOLS$100KTHE HNRNP FAMILY FOUNDAT…$100KWHARTON SCHOOL FOR THE P…$100KFIND YOUR LIGHT FOUNDATION$100KCHIPS$75K

Grant Size Distribution

151 grants across all recorded years

102<$50K22$50–100K18$100–250K7$250–500K2$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include The Hawkins Project ($500,000), Center for Reproductive Rights ($250,000), Fistula Foundation ($150,000).

RecipientPurposeAmount
AUSTEN RIGGS CENTER STOCKBRIDGE, MAGENERAL SUPPORT$100,000
CAMP FRIENDSHIP BROOKLYN, NYGENERAL SUPPORT$30,000
CARE FOR THE HOMELESS NEW YORK, NYGENERAL SUPPORT$100,000
CENTER FOR REPRODUCTIVE RIGHTS NEW YORK, NYGENERAL SUPPORT$250,000
CHESS IN THE SCHOOLS NEW YORK, NYGENERAL SUPPORT$100,000
CHIPS BROOKLYN, NYGENERAL SUPPORT$75,000
CITY HARVEST BROOKLYN, NYGENERAL SUPPORT$52,500
CONSTRUCT INC GREAT BARRINGTON, MAGENERAL SUPPORT$30,000
ELIZABETH FREEMAN CENTER PITTSFIELD, MAGENERAL SUPPORT$30,000
EVERGREEN TREATMENT SERVICES SEATTLE, WAGENERAL SUPPORT$15,000

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation operates with a lean organizational structure and no paid staff. The board of trustees consists of six members who serve without compensation:

  • Carol Davis – Trustee and President
  • Joel I Marcus – Trustee and Treasurer
  • Timothy B Peters – Trustee and Secretary

Dr. Joel Marcus is the Executive Chairman and Founder of Alexandria Real Estate Equities, a leading life science real estate company, which informs the foundation's interest in health-related causes.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
CAROL DAVISTRUSTEE AND PRESIDENT0.5
JOEL I MARCUSTRUSTEE AND TREASURER0.5
JACOB MARGOLISTRUSTEE0.75
LEILA MARGOLISTRUSTEE0.75
KATHERINE MALONETRUSTEE0.5
MICHAEL MCGINNISTRUSTEE0.5

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does October Mountain Foundation Inc fund?

The foundation's grantmaking focuses on education, human services, philanthropy and voluntarism, with particular emphasis on human rights, social justice, addiction and substance abuse, and mental health. The foundation dedicates approximately 96% of its expenses to charitable disbursements, demonstrating a strong commitment to grantmaking efficiency.

How do I apply for a grant from October Mountain Foundation Inc?

**Grant Activity:** • Annual giving: Approximately $2.3 million (2024) • Number of grants: 36-42 grants annually • Grant range: $5,000 to $500,000 • Median grant size: $25,000-$28,000 • Average grant size: $64,100 **Application Process:** The foundation does not accept unsolicited funding requests. Grants are made exclusively to preselected charitable organizations through an invitation-only process. **Recent Grantees (2024):** • The Hawkins Project: $500,000 • Center for Reproductive Rights: $…

Where does October Mountain Foundation Inc make grants?

The foundation funds nationally, with particular emphasis on New York, Massachusetts, California, and Washington.

What size grants does October Mountain Foundation Inc award?

In 2024, October Mountain Foundation Inc awarded 42 grants totaling $2.3M — an average of about $55K per grant, based on its IRS Form 990 filings.

How much is October Mountain Foundation Inc required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, October Mountain Foundation Inc reported a distributable amount of $1.2M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is October Mountain Foundation Inc's EIN?

October Mountain Foundation Inc's EIN (Employer Identification Number) is 47-4442570. IRS Form 990 filing data is available on this page for 2020–2024.

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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