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Gigi & Averell H Mortimer Foundation EIN 46-4323935 Form 990 (PDF) Claim this org

Gigi & Averell H Mortimer Foundation

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A private foundation based in Harriman, NY. It reported about $599K in revenue for 2025. For fiscal year 2025 it reported $599K in revenue, $63K in expenses, and $2.0M in net assets.Pt I

Type
Private foundation / grantmaker · Foundations & Grantmakers
Location
Harriman, NY
Filings
6 on file (2020–2025)
Revenue
$599KFY2025
Expenses
$63K
Net assets
$2.0M
People
4
Filings
6
Updates
0
More identity details & actions ⌄
EIN  46-4323935 Private foundation / grantmaker Harriman, NY
Form 990 (PDF)
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Size
$100K–1M
What they do
A private foundation based in Harriman, NY. It reported about $599K in revenue for 2025.
Leadership
Jean M Mortimer · Chairman
Money in and out
$599K revenue, $63K expenses
Bottom line
—
Grants paid & assets · FY2025
Total revenue
$599K
Pt VIII · Ln 12
Total expenses
$63K
Pt IX · Ln 25
Net assets
$2.0M
Pt X · Ln 32
Revenue less expenses (Pt I · Ln 19): $536K
Total assets
2.0M
deployed as grants and operations
Grants paid
60K
in FY2025
Grants made
10grants
total in period
Payout rate
3%
of assets (5% rule)

Who They Fund

Part XV · grants paid · 10 grants · $60K · 2025–2025
Brandywire Conservancy & Museum of ArtFY2025$15,000
Tory Burch FoundationFY2025$10,000
Cox Science Centre & AquariumFY2025$10,000
Palm Beach Zoo & Conservation SocietyFY2025$10,000
The Centre for DiscoveryFY2025$5,000
Orange County Historical SocietyFY2025$2,500
Peconic Land TrustFY2025$2,500
The Everglades FoundationFY2025$2,500
St Jude's Children HospitalFY2025$1,500
Vanderbilt UniversityFY2025$1,000

Grantmaking Profile

Patterns in foundation giving
Average grantPart XV$6K
Median grantPart XV$5K
Largest grantPart XV$15K

Summary of the Filing

Part I · fiscal year 2025 · Form 990-PF
Revenue
$599K
FY2025▲ +16%
Expenses
$63K
FY2025▲ ×13
Total assets
$2.0M
FY2025▲ +37%
Total liabilities
$58
FY20250%
Total revenue
$599K
Pt VIII · Ln 12
Total expenses
$63K
Pt IX · Ln 25
Net assets
$2.0M
Pt X · Ln 32
Total assetsPt II$2.0M

Identity & Classification

Form 990 Header · IRS Business Master File
Legal nameHdr · item CGigi & Averell H Mortimer Foundation
EINHdr · item D46-4323935
Principal addressHdr · item CHarriman, NY
WebsiteHdr · item Jnone reported
State of legal domicileHdr · item MNY
Exempt statusHdr · item I501(c)(3) · active
NTEE classificationIRS BMFFoundations & Grantmakers (T99)
Ruling yearIRS BMFJul 2014

Governance & Policies

Part VI
Voting members of the governing bodyPt VI · Ln 1apending
Independent voting membersPt VI · Ln 1bpending
Conflict-of-interest policyPt VI · Ln 12a—
Whistleblower policyPt VI · Ln 13—
Document retention policyPt VI · Ln 14—
CEO/top-official compensation independently reviewedPt VI · Ln 15a—
Family or business relationships among officers/directorsPt VI · Ln 2—

Officers, Directors & Key Employees

Part VII, Section A · reportable compensation
$0Pt VII · Sec A
Averell H Mortimer
President/Treasurer
$0Pt VII · Sec A
$0Pt VII · Sec A
Hume R Steyer
Assistant Secretary
$0Pt VII · Sec A
See Gigi & Averell H Mortimer Foundation executive salaries →

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Statement of Revenue

Part VIII
Contributions & grants$370K · 62%
Other revenue$205K · 34%
Investment income$23K · 4%
Contributions & grants62%$370K
Other revenue34%$205K
Investment income4%$23K
Total revenueLn 12$599K

Statement of Functional Expenses

Part IX · allocated across program, management, and fundraising
Allocation · columns B–D
Grants & contributions paid $0.96 Operating & administrative $0.04
Grants & contributions paid96%$60K
Operating & administrative4%$3K
Total functional expensesLn 25$63K

Balance Sheet

Part X · end of year
CashLn 1$21K
Total assetsLn 16$2.0M
Total liabilitiesLn 26$58
Total net assetsLn 32$2.0M
Months of cash on handcomputed4.0

Financial Metrics

Form 990 · FY2025 · each ratio shown with the dollars behind it
Liquidity & Payout
Payout rate
Grants paid $0 · Total assets $2.0M
0%
Where the money comes from
Contribution dependence
Contributions & grants — · Total revenue $599K
—
Government reliance
not reported
Earned-income share
not reported
Investment reliance
Investment income $0 · Total revenue $599K
0%
Program self-sufficiency
not reported
Growth & trend
Revenue growth (YoY)
This year $599K · Prior year $516K
+16%
Revenue CAGR
FY2020 $181K · FY2025 $599K
+27%
Net-asset trend (YoY)
End of year $2.0M · Beginning of year —
Beginning net assets not meaningfully positive — showing dollar change
Balance sheet
Surplus Margin
Revenue $599K · Expenses $63K
+90%
Liabilities-to-Assets
Total liabilities — · Total assets $2.0M
—
Net-asset ratio
Net assets $2.0M · Total assets $2.0M
100%
People & payroll
Highest Reported Total Compensation
Individual Jean M Mortimer · Reported title CHAIRMAN · Highest reported compensation $0 · Total expenses $63K
0%
Personnel share
not reported
Peer comparison

Same NTEE category, revenue band, and state where available. Descriptive — not a grade.

MetricThis orgPeer medianPercentile
Revenue growth 16%——

Straight from the Form 990 — descriptive, not an evaluation. A ratio is hidden when its base is zero or too small to be meaningful; the dollars are always shown.

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Filings & Schedule Manifest

Part IV
III · Programs I · Grants R · Related orgs G · Fundraising L · Interested persons A · Public support F · Foreign M · Noncash
FY2025 (Latest)$599K revenue · viewing · ⤓ 990 PDF
FY2024$516K revenue · ⤓ 990 PDF
FY2023$359K revenue · ⤓ 990 PDF
FY2022$103K revenue · ⤓ 990 PDF
FY2021$163K revenue · ⤓ 990 PDF
FY2020$181K revenue · ⤓ 990 PDF

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Sources

Every figure above is drawn from these filings
Form 990 e-file (XML) · FY2025IRS
Classification, formation year, addressIRS Business Master File
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