Tellabs Foundation

Foundation · Grantmaker Downers Grove, IL EIN: 36-4037547

Tellabs Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Downers Grove, IL. IRS filing data is available from 2020 through 2021. In 2021, it awarded 31 grants totaling $4.1M.

Key facts about Tellabs Foundation

EIN
36-4037547
Latest 990 filing
Form 990-PF, 2021
Annual giving (2021)
$4,077,086
Grants made (2021)
31
Average grant
$131,519
Median grant
$10,000
Primary geography
Illinois (99% of itemized 2021 grant dollars)

Data from IRS Form 990-PF, 2021; updated September 2026.

Who Tellabs Foundation funds

By grant dollars, the top recipient states for Tellabs Foundation's 31 itemized 2021 grants were Illinois (99%). The most frequent recipient cities were Chicago, IL (11 grants), Wheaton, IL (4 grants), Downers Grove, IL (3 grants) and Naperville, IL (2 grants). 100% of grants with a stated purpose were for general or operating support.

How Tellabs Foundation gives

  • 55% of 2021 grantees were also funded in 2020. Method

Estimate from itemized IRS Form 990-PF grant lists (2021). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

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Financial Overview

From 2021 IRS Form 990-PF · View filing

Total Assets

—

Annual Giving

$4.1M

+58.6% YoY

Grant Count

31

-29.5% YoY

Avg Grant Size

$132K

+125.2% YoY

About Tellabs Foundation

Based on IRS filings

Tellabs Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Downers Grove, IL. IRS filing data is available from 2020 through 2021. In 2021, it awarded 31 grants totaling $4.1M.

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

10states

Share of all 31 itemized 2021 grant dollars.

Cities

ChicagoWheatonDowners GroveNapervilleAuroraLisleNew YorkLake GenevaMomencePalos ParkPort St LucieSpringfieldAvonCarlinvilleFairfaxGambierGenevaGlen EllynGolfHines

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$0.275$0.55$0.8250000000000001$1.120202021
Metric20212020
Total Assets——
Revenue——
Expenses——
Qualifying Distributions——
Net Investment Income——
Distributable Amount——

Data update history

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2021

Giving Over Time

Total grant dollars and number of grants per year

$0$1M$2M$3M$4M44 grants202031 grants2021

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2021

The Dupage Community Foundation: $3.4MThe Dupage CommunityFoundation$3.4MNami Dupage: $150KNami Dupage$150KNorthern Illinois Food Bank: $100KNorthern Illinois Food Bank$100KPeople's Resource Center: $50KPeople's Resource Center$50KGiving Dupage: $30KGiving Dupage$30KGarden Center Services: $25KGarden Center Services$25KMARCH4MEG: $25KMARCH4MEG$25KLincoln Academy: $25KLincoln Academy$25KImsa Fund: $25KImsa Fund$25KPlaysmart Literacy Inc: $20KPlaysmart Literacy Inc$20K

Grant Size Distribution

75 grants across all recorded years

63<$50K1$50–100K7$100–250K$250–500K3$500K–1M1$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2021 grants, the largest recipients include The Dupage Community Foundation ($3,447,086), Nami Dupage ($150,000), Northern Illinois Food Bank ($100,000).

RecipientPurposeAmount
THE DUPAGE COMMUNITY FOUNDATION Downers Grove, ILGENERAL SUPPORT$3,447,086
NAMI DUPAGE Wheaton, ILGENERAL SUPPORT$150,000
NORTHERN ILLINOIS FOOD BANK Geneva, ILGENERAL SUPPORT$100,000
PEOPLE'S RESOURCE CENTER Wheaton, ILGENERAL SUPPORT$50,000
GIVING DUPAGE Wheaton, ILGENERAL SUPPORT$30,000
GARDEN CENTER SERVICES Chicago, ILGENERAL SUPPORT$25,000
MARCH4MEG Palos Park, ILGENERAL SUPPORT$25,000
LINCOLN ACADEMY Springfield, ILGENERAL SUPPORT$25,000
IMSA FUND Aurora, ILGENERAL SUPPORT$25,000
PLAYSMART LITERACY INC Chicago, ILGENERAL SUPPORT$20,000

Leadership & Key People

Officers and directors from IRS filings

Compensation Overview

No officer or director reported compensation in the available filings.

From 2021 IRS filing

NameTitleHoursCompensation
Denise CallarmanVice President0.5—
Stephanie P MarshallVice President0.5—
Carol GavinPresident and Secretary0.5—
Chris BirckTreasurer and Vice Preside0.5—

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What is Tellabs Foundation?

Tellabs Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Downers Grove, IL. It holds — in total assets as of 2021.

Where does Tellabs Foundation operate?

Tellabs Foundation has awarded grants in Colorado, Connecticut, Florida, Illinois, Michigan, New York, Ohio, Rhode Island, Virginia, Wisconsin.

What size grants does Tellabs Foundation award?

In 2021, Tellabs Foundation awarded 31 grants totaling $4.1M — an average of about $132K per grant, based on its IRS Form 990 filings.

What is Tellabs Foundation's EIN?

Tellabs Foundation's EIN (Employer Identification Number) is 36-4037547. IRS Form 990 filing data is available on this page for 2020–2021.

Explore Open Grants

Browse active grant opportunities in Tellabs Foundation's focus areas in our free grants database

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Data last updated September 2026. Sourced from IRS Form 990-PF filings.

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