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Illuminus

Watertown, WI · EIN 39-1756037 · 501(c)(3) · Supporting organization, Type I
Latest filing: Form 990 for the fiscal year ending June 30, 2025 (tax year 2024) · View the filing · Correct or respond

Illuminus reported $18.2 million in revenue and $15.0 million in expenses for the fiscal year ending June 30, 2025. Of every $100 it spent, $95.94 went to program services, $4.06 to management and general costs and $0.00 to fundraising. Its largest source of revenue was program service revenue such as fees, sales and contracts: 99.5% of the total. The highest compensation it reported for one person was $696,724 (CEO). Revenue rose 232% between FY2020 and FY2025. Source: Form 990, FY2025.

Where $100 of spending went

The fiscal year ending June 30, 2025 · Form 990, Part IX, line 25 · total expenses $15M

For context, the median across 3,614 covered human services charities: $88.27 programs, $11.52 management, $0.21 fundraising (medians computed separately, so they may not sum to $100).

Where $100 of revenue came from

The fiscal year ending June 30, 2025 · Form 990, Part VIII · total revenue $18M

The 990 scorecard · same measures for every charity, no grades

FY2025 filing. Median across 3,614 covered charities in this category, from their latest filings.
MeasureFY2025Median
Program services
Part IX 25(B) ÷ 25(A)
95.9%87.2%
Management & general
Part IX 25(C) ÷ 25(A)
4.1%11.4%
Fundraising
Part IX 25(D) ÷ 25(A)
0.0%0.2%
Fundraising cost per $1 of contributions
Part IX 25(D) ÷ Part VIII 1h
Not reported$0.02
Contributions & grants share of revenue
Part VIII 1h ÷ 12
0.0%20.6%
Government grants share of revenue
Part VIII 1e ÷ 12
0.0%2.4%
Program service revenue share
Part VIII 2g ÷ 12
99.5%70.8%
Highest reported compensation
Part VII-A, columns D–F
$696,724$274,992
Highest compensation as share of expenses
Part VII-A ÷ Part IX 25(A)
4.63%1.18%
People paid over $100,000
Part VII, line 2
06
Net assets, in months of expenses
Part X 33(B) ÷ monthly expenses
14.06.9
Independent voting board members
Part VI 1a–1b
8 of 8100.0%

A median is context, not a target: hospitals, universities, food banks and grantmakers spend in very different ways. What these measures can and can't tell you.

What the money paid for, in its own words

FY2025 · Form 990, Part III · the three largest programs by expense
$14M expenses · 100.0% of program spending · grants $7,500 · revenue $15M

Illiminus, inc. F/k/a marquardt management services, inc. Is a management company providing services to marquardt village entities and other unrelated nonprofit retirement communities

Highest reported compensation

FY2025 · Form 990, Part VII, Section A · roles as filed; names are in the filing, not here
RoleFrom this orgFrom related orgsOtherTotal
CEO
Officer, 5.00 hrs/week
$0$669,611$27,113$696,724
SVP OF OPERATIONS
Officer, 5.00 hrs/week
$0$331,150$22,078$353,228
CFO
Officer, 5.00 hrs/week
$0$297,163$26,894$324,057
SENIOR VP OF COMMONHEART
Key employee, 5.00 hrs/week
$0$222,386$25,787$248,173
VP OF BUSINESS DEVELOPMENT
Key employee, 5.00 hrs/week
$0$219,632$26,648$246,280
SVP OF HR
Key employee, 5.00 hrs/week
$0$221,648$22,887$244,535
SVP OF ADMINISTRATION
Key employee, 5.00 hrs/week
$0$231,019$7,476$238,495
SVP OF FACILITIES AND CONSTRUCTION
Highest compensated employee, 5.00 hrs/week
$0$180,010$16,711$196,721

0 people received more than $100,000 in reportable compensation from Illuminus (Part VII, line 2).

6 years of filings

Form 990, Parts I, VII, IX and X · each row is that year's own filing, linked
FilingRevenueExpensesProgramsNet assetsTop pay
FY2025 ⓘ$18M$15M95.9%$18M$696,724
FY2024 ⓘ$17M$12M94.8%$14M$658,684
FY2023 ⓘ$12M$8.4M95.9%$9.7M$584,491
FY2022 ⓘ$8.1M$7.4M92.9%$6.4M$556,998
FY2021 ⓘ$7.3M$6.1M96.2%$5.7M$541,383
FY2020 ⓘ$5.5M$4.8M91.3%$4.5M$488,486

Governance answers, as filed

FY2025 · the organization's own yes/no answers; explanations, if any, are in Schedule O of the filing · what each means
  • Voting board members, and how many are independent Part VI, lines 1a–1b8 · 8 independent
  • Audited financial statements Part XII 2bYes
  • Conflict-of-interest policy Part VI 12aYes
  • Whistleblower policy Part VI 13Yes
  • Document retention policy Part VI 14Yes
  • Independent process for top executive pay Part VI 15aNo
  • Board given the 990 before filing Part VI 11aYes
  • Family or business ties among insiders Part VI 2No
  • Aware of a significant diversion of assets Part VI 5No
  • Excess benefit transaction with an insider Part IV 25aNo
  • Loans to or from insiders outstanding Part IV 26No
  • Lobbying, or a 501(h) election in effect Part IV 4No
  • Over $15,000 of professional fundraising services Part IV 18No
  • Over $10,000 of activity outside the U.S. Part IV 14bNo
  • Employees Part I, line 50
  • Volunteers Part I, line 69

Correct a figure or respond

Every number above is copied from Illuminus's own Form 990. If one doesn't match the filing, that's our error and we'll fix it. If you work for Illuminus, you can publish a response that is linked from this page.

Questions people ask

How much of Illuminus's spending goes to programs?

In the fiscal year ending June 30, 2025, Illuminus reported that 95.9% of its $15.0 million in expenses went to program services, 4.1% to management and general and 0.0% to fundraising (Form 990, Part IX).

How much does Illuminus pay its top executive?

The largest total compensation Illuminus reported for one person in the fiscal year ending June 30, 2025 was $696,724, for the role of CEO (Form 990, Part VII, including compensation from related organizations and other compensation).

Where does Illuminus get its money?

Of $18.2 million in revenue in the fiscal year ending June 30, 2025, 0.0% came from contributions and grants and 99.5% from program service revenue (Form 990, Part VIII).

Is Illuminus a registered charity?

The IRS lists EIN 39-1756037 as a 501(c)(3) organization (supporting organization, type i), and its records show contributions as tax-deductible. Form 990 filings on record here cover tax years 2019, 2020, 2021, 2022, 2023, 2024. A filing shows what the organization reported; it doesn't by itself show whether a program works.

Sources

  • FY2025: Form 990 for the fiscal year ending June 30, 2025, object 202631349349304628 · read the filing
  • FY2024: Form 990 for the fiscal year ending June 30, 2024, object 202541359349305484 · read the filing
  • FY2023: Form 990 for the fiscal year ending June 30, 2023, object 202421369349309012 · read the filing
  • FY2022: Form 990 for the fiscal year ending June 30, 2022, object 202341359349307494 · read the filing
  • FY2021: Form 990 for the fiscal year ending June 30, 2021, object 202201369349311835 · read the filing
  • FY2020: Form 990 for the fiscal year ending June 30, 2020, object 202141139349301009 · read the filing

All filings for EIN 39-1756037: ProPublica Nonprofit Explorer · IRS Tax Exempt Organization Search. Figures are as the organization reported them; we have not audited them.