Gillson Longenbaugh Foundation

Foundation · Grantmaker Houston, TX EIN: 76-0001952

Gillson Longenbaugh Foundation is a private foundation, based in Houston, TX. IRS filing data is available from 2020 through 2021. In 2021, it awarded 1 grant totaling $12.0M. Net investment income was $124K.

Key facts about Gillson Longenbaugh Foundation

EIN: 76-0001952
Latest 990 filing: Form 990-PF, 2021
Annual giving (2021): $11,985,897
Grants made (2021): 1
Average grant: $11,985,897
Median grant: $11,985,897
Primary geography: Texas (100% of itemized 2021 grant dollars)

Data from IRS Form 990-PF, 2021; updated September 2026.

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Financial Overview

From 2021 IRS Form 990-PF · View filing

Total Assets

—

-100.0% YoY

Annual Giving

$12.0M

-56.8% YoY

Grant Count

-66.7% YoY

Avg Grant Size

$12.0M

+29.6% YoY

Under IRS private-foundation payout rules, Gillson Longenbaugh Foundation reported a distributable amount of $500K for 2021 — the minimum it must pay out in qualifying distributions.

About Gillson Longenbaugh Foundation

Based on IRS filings

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

Texas $12.0M (100%)

Share of all 1 itemized 2021 grant dollars.

States

Texas

Cities

Houston

Financial History

Multi-year comparison from IRS filings

Revenue

Expenses

Qualifying Distributions

Net Investment Income

Metric	2021	2020
Total Assets	—	$12,002,812
Revenue	$208,453	$662,481
Expenses	$12,211,265	$28,087,569
Qualifying Distributions	—	—
Net Investment Income	$123,697	$471,159
Distributable Amount	$500,225	$1,253,959

Data update history

When this profile's IRS filing data changed on Grantable

March 3, 2026 IRS filings on file for fiscal years 2020–2021

Giving Over Time

Total grant dollars and number of grants per year

Grant Insights

How this funder distributes its grants

Top Recipients

Top 1 recipients in 2021

Grant Size Distribution

4 grants across all recorded years

Giving History

Grant recipients and amounts by year

Among its reported 2021 grants, the largest recipients include Vanguard Charitable Endowment ($11,985,897).

Recipient	Purpose	Amount
Vanguard Charitable Endowment Houston, TX	Cancer research, other medical research, and other charitable purposes	$11,985,897

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

From 2021 IRS filing

Name	Title	Hours	Compensation
Lawrence Levy	President/Dir	32	$73,208
Neal R Pellis PhD	Sec/SciAdv/Dir	6.6	$12,800
EW Ned Torian	VP/Dir	3	$4,800

Frequently Asked Questions

Where does Gillson Longenbaugh Foundation operate?

Gillson Longenbaugh Foundation has awarded grants in Texas.

What size grants does Gillson Longenbaugh Foundation award?

In 2021, Gillson Longenbaugh Foundation awarded 1 grant totaling $12.0M — an average of about $12.0M per grant, based on its IRS Form 990 filings.

How much is Gillson Longenbaugh Foundation required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2021, Gillson Longenbaugh Foundation reported a distributable amount of $500K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Gillson Longenbaugh Foundation's EIN?

Gillson Longenbaugh Foundation's EIN (Employer Identification Number) is 76-0001952. IRS Form 990 filing data is available on this page for 2020–2021.