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Nonprofit · EIN 86-0669456

WIYN CONSORTIUM INC

Tax-exempt · TUCSON, AZ 85726

Financials

$3.6M$4.3M2022$3.6M$4.3M2023$4.1M$4.7M2024
Revenue Expenses · by fiscal year end
Financials of WIYN CONSORTIUM INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$4,133,005$4,686,785-$553,780$23,519,600$577,808$22,941,792
September 30, 2024990$3,585,737$4,306,506-$720,769$24,270,865$773,873$23,496,992
September 30, 2023990$3,637,357$4,290,921-$653,564$24,566,970$353,181$24,213,789
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$846,067
Program service revenue
$3,239,848
Investment income
$47,090
Net gain from sales of assets
$33,196
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Legal fees
$8,593
Accounting fees
$32,524
Occupancy
$84,194
Travel
$5,733
Depreciation
$723,696
Program services (functional)
$3,960,976
Management and general (functional)
$725,809

Balance sheet and other

Total assets, start of year
$24,270,865
Total assets, end of year
$23,519,600
Total liabilities, end of year
$577,808
Net assets, end of year
$22,941,792
Land, buildings and equipment
$21,857,545
Net assets without donor restrictions
$22,941,792
Gross receipts
$5,599,809
Employees
0
Volunteers
12
Year formed
1990
State of legal domicile
AZ

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended September 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
JAYADEV RAJAGOPALEXECUTIVE DIRECTOR
Officer
40$143,256$17,417
ROBERT MATHIEUPRESIDENT
Trustee or director, Officer
2$0$0
JOHN SALZERTREASURER
Trustee or director, Officer
2$0$0
MICHELLE EDWARDSSECRETARY
Trustee or director, Officer
2$0$0
LORI ALLENDIRECTOR
Trustee or director
2$0$0
THOMAS BETTYDIRECTOR
Trustee or director
2$0$0
CAROLINE CHICK JARROLDDIRECTOR
Trustee or director
2$0$0
KATHERINE RHODEDIRECTOR
Trustee or director
2$0$0
WENDY SWARTZDIRECTOR (THRU 01/25)
Trustee or director
2$0$0
ERIC WILCOTSDIRECTOR
Trustee or director
2$0$0
990 for the year ended September 30, 2024: 10 people
NameTitleHours / weekCompensationOther / benefits
JAYADEV RAJAGOPALEXECUTIVE DIRECTOR
Officer
40$138,364$16,408
ROBERT MATHIEUPRESIDENT
Trustee or director, Officer
2$0$0
JOHN SALZERTREASURER
Trustee or director, Officer
2$0$0
MICHELLE EDWARDSSECRETARY
Trustee or director, Officer
2$0$0
LORI ALLENDIRECTOR
Trustee or director
2$0$0
CAROLINE CHICK JARROLDDIRECTOR
Trustee or director
2$0$0
SEBASTIAN HEINZDIRECTOR
Trustee or director
2$0$0
KATHERINE RHODEDIRECTOR
Trustee or director
2$0$0
WENDY SWARTZDIRECTOR
Trustee or director
2$0$0
ERIC WILCOTSDIRECTOR
Trustee or director
2$0$0
990 for the year ended September 30, 2023: 13 people
NameTitleHours / weekCompensationOther / benefits
JAYADEV RAJAGOPALEXECUTIVE DIRECTOR
Officer
40$135,538$15,763
ROBERT MATHIEUPRESIDENT
Trustee or director
2$0$0
JOHN SALZERTREASURER
Trustee or director, Officer
2$0$0
MICHELLE EDWARDSSECRETARY
Trustee or director, Officer
2$0$0
LORI ALLENDIRECTOR
Trustee or director
2$0$0
SEBASTIAN HEINZDIRECTOR
Trustee or director
2$0$0
CAROLINE CHICK JARROLDDIRECTOR (AS OF 7/23)
Trustee or director
2$0$0
NICOLA POHLDIRECTOR (UNTIL 7/23)
Trustee or director
2$0$0
KATHERINE RHODEDIRECTOR
Trustee or director
2$0$0
ABHIGIT SAHADIRECTOR (UNTIL 10/22)
Trustee or director
2$0$0
VERNE SMITHDIRECTOR (UNTIL 10/22)
Trustee or director
2$0$0
WENDY SWARTZDIRECTOR (AS OF 9/23)
Trustee or director
2$0$0
ERIC WILCOTSDIRECTOR
Trustee or director
2$0$0

Address and contacts

Address (IRS master file)
PO BOX 26732, TUCSON, AZ 85726-6732
In care of
% I GLEN BLEVINS
Principal officer (990 for 2024)
ROBERT MATHIEU, PO BOX 26732, TUCSON, AZ 85726
Signed the 990
JOHN SALZER, TREASURER
Phone
(520) 318-8000
Return prepared by
CLIFTONLARSONALLEN LLP

Mission

TO ADVANCE ASTRONOMICAL RESEARCH AND EDUCATION BY CONSTRUCTING AND OPERATING THE WIYN OBSERVATORY FOR THE PURPOSE OF ALLOWING THE SCIENTISTS OF THE MEMBER PARTIES TO OBTAIN OBSERVING TIME.

990 for the year ended September 30, 2025

Program accomplishments

  • CONSTRUCTION AND OPERATION OF ASTRONOMICAL RESEARCH FACILITY - 3.5 METER TELESCOPE.
    Expenses $3,960,976 · revenue $3,239,848

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in September, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025September 30, 2026February 15, 2027Not due yet
2024September 30, 2025February 16, 2026990 on file
2023September 30, 2024February 17, 2025990 on file

IRS record

EIN
86-0669456
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1992
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$23,519,600
Income (IRS master file)
$5,599,809

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$4,133,005$4,686,785$23,519,600XML
990September 2024$3,585,737$4,306,506$24,270,865XML
990September 2023$3,637,357$4,290,921$24,566,970XML
990September 2022$3,638,240$4,463,494$26,878,337IRS
990September 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS
990September 2018–––IRS

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 86-0669456).

Questions about WIYN CONSORTIUM INC

What is the EIN of WIYN CONSORTIUM INC?
The employer identification number (EIN) of WIYN CONSORTIUM INC is 86-0669456.
Is WIYN CONSORTIUM INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1992.
Are donations to WIYN CONSORTIUM INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does WIYN CONSORTIUM INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of WIYN CONSORTIUM INC due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did WIYN CONSORTIUM INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of WIYN CONSORTIUM INC?
The 990 for the year ended September 30, 2025 names ROBERT MATHIEU.
Who are the officers and directors of WIYN CONSORTIUM INC?
The 990 for the year ended September 30, 2025 lists 10 people; 1 received compensation from the organization, the highest $143,256 (JAYADEV RAJAGOPAL, EXECUTIVE DIRECTOR).
How much revenue does WIYN CONSORTIUM INC have?
On its 990 for the year ended September 30, 2025 it reported revenue of $4,133,005, expenses of $4,686,785 and total assets of $23,519,600 at year end.

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