EIN 83-0938793

Landons League Foundation

Name: Landons League Foundation financials for 2025
Creator: Cause IQ
License: https://creativecommons.org/licenses/by-nc-nd/4.0/

Funding|Financials|Peers

IRS 501(c) type

501(c)(3)

Num. employees

Unknown

City

O Fallon

State

Missouri

Year formed

2018

Most recent tax filings

2025-12-01

NTEE code, primary

H90: Medical Specialty Research

Description

Chosen to be the first organizationgene CAMSAP1 by the Undiagnosed Disease Network in which they agreed to assist in development of treatment without having discovered the rare disease themselves. Recognized for supporting research endeavors in American Journal of Human Genetics on 11032023 which newly identified CAMSAP1 as a new disease gene. Support development of gene therapies gift equipment. 0.

Total revenues

$9,450

2025

Total expenses

$586

2025

Total assets

$194,745

2025

Num. employees

n/a

Who funds Landons League Foundation

Grants from foundations and other nonprofits

Grantmaker	Grantmaker tax period	Description	Amount
AmazonSmile Foundation	2023-12	General Support	$203

Financials for Landons League Foundation

Revenues	FYE 12/2025	FYE 12/2024	% Change
Total grants, contributions, etc.	$2,087	$2,757	-24.3%
Program services	$0	$0	-
Membership dues	$0	$0	-
Investment income and dividends	$5,770	$3,305	74.6%
Net gain from sale of non-inventory assets	$0	$0	-
Net income from gaming activities and fundraising events, combined	$1,593	$20,138	-92.1%
Net income from sales of inventory	$0	$0	-
Miscellaneous revenues	$0	$1,176	-100%
Total revenues	$9,450	$27,376	-65.5%

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Data update history

July 14, 2026

Posted financials

Added Form 990EZ for fiscal year 2025

June 21, 2026

Updated personnel

Identified 1 new personnel

April 9, 2026

Posted financials

Added Form 990EZ for fiscal year 2024

August 12, 2024

Posted financials

Added Form 990EZ for fiscal year 2023

July 23, 2024

Received grants

Identified 1 new grant, including a grant for $2,000 from Enterprise Holdings Foundation

Nonprofit Types

Grantmaking organizationsDisease research fundraisersMedical research organizationsCharities

Issues

Health

Characteristics

Legally formed as corporationConducts researchPartially liquidatedFundraising eventsFundraising races, competitions, and tournamentsTax deductible donationsNo full-time employees

General information

Address: 20 Lautrec CT; O Fallon, MO 63368
Metro area: St. Louis, MO-IL
County: St. Charles County, MO
Phone: (314) 853-6612

IRS details

EIN: 83-0938793
Fiscal year end: December
Taxreturn type: Form 990-EZ
Year formed: 2018
Eligible to receive tax-deductible contributions (Pub 78): Yes

Categorization

NTEE code, primary: H90: Medical Specialty Research
NAICS code, primary: 813212: Health and Disease Research Fundraising Organizations
Parent/child status: Independent

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Landons League Foundation

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