Public Charity

ILLUMINUS FOUNDATION INC F/K/A MARQUARDT FOUNDATION INC

ILLUMINUS FOUNDATION INC F/K/A MARQUARDT FOUNDATION INC is a Public Charity headquartered in WATERTOWN, WI. Financial data from the 2025 filing: $1.1M revenue, $351K expenses, $14.9M total assets. 1 publicly reported grants to this organization, totaling roughly $5.0M, appear in IRS filings.

EIN: 391563808 WATERTOWN, WI Latest filing: 2025
Total Revenue$1.1M
Total Expenses$351K
Total Assets$14.9M
Grant Records1
Funding Total$5.0M
Filing Years2021–2025

Mission

GROUNDED IN FAITH, WE PROMOTE THE HEALTH AND WELL-BEING OF EACH INDIVIDUAL WE SERVE

Where $100 goes at Illuminus Foundation Inc F/K/a Marquardt Foundation Inc

How Illuminus Foundation Inc F/K/a Marquardt Foundation Inc divides every $100 it spends, from its own Form 990 filings, averaged across 9 years.

$83 Programs the work itself
$17 Management running the organization
$0 Fundraising none reported

No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.

Inside the $83 for programs

$83
Marquardt foundation, inc solicits and controls assets for the benefit of marquardt village, inc and its affiliates
All program spending
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Sample Grants Received

2021
SUPPORT FOR MARQUARDT ENTITIES
$5,000,000

Showing up to 5 of 1 total records — full history available with membership.

Officers & Directors

SVP OF FACILITIES AND CONSTRUCTION David Bertsch
ASST SECRETARY/ASST TREASU Donnell Geib
VP OF HUMAN RESOURCES Gary Thorpe
SVP OF HR Jeff Hackel
EXECUTIVE DIRECTOR-THE MAR Jennifer Johnson
CFO Julie Marks

Officer compensation and complete director data available with membership.

Top Grant Purposes

General Support
$5,000,000 1 grant

Financial Trends

Year Revenue Expenses Assets
2025 $1.1M $351K $14.9M
2024 $786K $363K $13.7M
2023 $1.1M $664K $12.2M
2022 $5.3M $180K $10.8M
2021 $1.2M $212K $8.4M

Between 2021 and 2025, reported annual revenue declined from $1.2M to $1.1M (-9%), with total assets most recently reported at $14.9M.

Interactive year-over-year charts and full filing details available with membership.

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