Skip to content
CI
Endowment / Foundation

Updated:

C I O S

C I O S is listed by the Internal Revenue Service as a private grantmaking foundation exempt under Section 501(c)(3), with employer identification number...

Overview

C I O S is listed by the Internal Revenue Service as a private grantmaking foundation exempt under Section 501(c)(3), with employer identification number 74-2472778. The IRS filing address is in SCOTTSDALE, AZ, United States. For the tax period ending June 2025, the IRS Exempt Organizations Business Master File lists year-end book assets of USD 109,157,234 and an IRS-computed Income Amount of USD 25,309,267. For private foundations, this extract field combines total revenue with specified cost-of-goods and cost-basis amounts from Form 990-PF. The IRS ruling date on file is February 1987. These tax-filing amounts are not assets under management or net profit.

General information

Firm type

Private Foundation

Location

Region

North America

Country

United States

City

SCOTTSDALE

Frequently asked questions

What is C I O S?

The IRS lists C I O S as a private grantmaking foundation exempt under Section 501(c)(3), with EIN 74-2472778.

What filing locality does the IRS record for C I O S?

The IRS filing address is in SCOTTSDALE, AZ, United States.

What book assets does the IRS report for C I O S?

For the tax period ending June 2025, the IRS lists year-end book assets of USD 109,157,234.

What does the IRS Income Amount for C I O S represent?

For the tax period ending June 2025, the IRS-computed Income Amount is USD 25,309,267. For private foundations, this extract field combines total revenue with specified cost-of-goods and cost-basis amounts from Form 990-PF.

Profile maintained by Altss. Updated: . To correct this record or make a privacy request, send the page URL and your evidence to privacy@altss.com; corrections are free.

Need institutional-grade insight on endowments & foundations?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

More Private Foundation profiles