Sky Island Alliance

Nonprofit · Grant recipient Tucson, AZ EIN 86-0796748

Funding Overview

From IRS Form 990 filings · 2019–2025

Total received

$2.4M

Foundation funders

36

Grants recorded

93

Years covered

2019–2025

Who funds Sky Island Alliance?

Sky Island Alliance is funded by 36 grantmakers, led by Wilburforce Foundation ($1.4M), Community Foundation for Southern Arizona ($159K), The Nature Conservancy ($89K). In total, IRS Form 990 filings record $2.4M in grants to Sky Island Alliance between 2019–2025.

FunderTotal givenGrantsYears
Wilburforce Foundation$1,447,500152020–2024
Community Foundation for Southern Arizona$158,50062019–2025
The Nature Conservancy$88,89512025
Rossetter Foundation$78,00052020–2025
The Rose and David Dortort Foundation$70,00062020–2025
The Schaffner Family Foundation$60,00042021–2024
Carroll Petrie Foundation$50,00022022–2023
Arizona Community Foundation$49,00012025
National Fish and Wildlife Foundation$44,97232020–2022
National Wilderness Stewardship Alliance$39,72822021–2024
Dry Family Charitable Foundation$29,50052021–2025
National Forest Foundation$28,44812023
Brabson Library & Educational$25,25012023
The Ga Binney Conservation$25,00012025
Climate Conservation DBA Center for Large Landscape Conservation$25,00012025
The Wilderness Society$25,00012022
Patagoniaorg$25,00022019–2020
Arthur L Bud Johnson in Memory of$20,00012024
International Community Foundation$14,97412024
Sequoia Farm Foundation$13,83512022
Clif Family Foundation$13,50032020–2022
Vanguard Charitable Endowment Program$13,00022023–2024
Steven C Leuthold Family Foundation$13,00032022–2024
Woodin Laboratory$10,00012024
Southwest Foundation for Education$10,00012023
Show all 36 funders

Funding over time

Grant dollars and counts received per year

$0$200K$400K$600K2 grants2019 12 grants2020 16 grants2021 16 grants2022 18 grants2023 18 grants2024 11 grants2025

From 2019 to 2025, annual grant giving ranged from $25K (2019) to $524K (2023). In 2025 it made 11 grants totaling $255K.

What grants has Sky Island Alliance received?

Individual grants from IRS Form 990 filings, newest first

YearFunderPurposeAmount
2025The Nature ConservancyCONSERVATION ACTIVITIES$88,895
2025Arizona Community FoundationTHIS AWARD IS DESIGNATED SUPPORT FOR THE WORK IN BUILDING OUT A COALITION OF NON PROFITS WORKING IN THE FIELDS OF CONSERVATION, OF WHICH WE ARE CURRENTLY PARTNERING WITH IN OUR STRATEGIC FOCUS AREA OF ENVIRONMENT$49,000
2025Community Foundation for Southern ArizonaGENERAL SUPPORT$29,500
2025The Ga Binney ConservationBORDER WILDLIFE STUDY$25,000
2025Climate Conservation DBA Center for Large Landscape ConservationBUILDING NETWORKS$25,000
2025Rossetter FoundationGENERAL PURPOSES$16,000
2025The Rose and David Dortort FoundationENVIRONMENT$10,000
2025Dry Family Charitable FoundationEDUCATIONAL PURPOSES$7,500
2025Horace Dawson FoundationGeneral operating support$2,030
2025Jade Tree FoundationOPERATIONAL$1,000
2025Adler Schuppert Family FoundationGeneral & Unrestricted$1,000
2024Wilburforce FoundationENVIRONMENTAL - GENERAL SUPPORT 2024$200,000
2024Wilburforce FoundationENVIRONMENTAL - BORDER WILDLIFE STUDY AND ADVOCACY SUPPORT$100,000
2024National Wilderness Stewardship AllianceWILDERNESS AND TRAIL STEWARDSHIP$29,896
2024Arthur L Bud Johnson in Memory ofNATURE CONSERVATION$20,000
2024Rossetter FoundationGENERAL PURPOSES$16,000
2024The Schaffner Family FoundationLAND CONSERVATION$15,000
2024International Community FoundationCHARITABLE PURPOSE$14,974
2024The Rose and David Dortort FoundationENVIRONMENT$10,000
2024Woodin LaboratoryGENERAL SUPPORT$10,000
2024Vanguard Charitable Endowment ProgramFOR RECIPIENT'S EXEMPT PURPOSE$7,500
2024Dry Family Charitable FoundationEDUCATIONAL PURPOSES$7,500
2024Community Foundation for Southern ArizonaGENERAL SUPPORT$6,000
2024Lily Pad Fund for NatureFunding for Path of Panther fencing$5,000
2024Adler Schuppert Family FoundationGeneral & Unrestricted$5,000
2024Steven C Leuthold Family FoundationOPERATIONS$5,000
2024Zavatsky Brott FoundationPROGRAM SUPPORT$1,000
2024Jade Tree FoundationOPERATIONAL$1,000
2024Holder Family FoundationGENERAL USE$150
2023Wilburforce FoundationENVIRONMENTAL - GENERAL SUPPORT 2023$208,000

Showing 30 most recent of 93 recorded grants.

Frequently Asked Questions

Who funds Sky Island Alliance?

Sky Island Alliance is funded by 36 grantmakers, led by Wilburforce Foundation ($1.4M), Community Foundation for Southern Arizona ($159K), The Nature Conservancy ($89K). In total, IRS Form 990 filings record $2.4M in grants to Sky Island Alliance between 2019–2025.

Who is Sky Island Alliance's largest funder?

Wilburforce Foundation is the largest recorded funder of Sky Island Alliance, with $1.4M across 15 grants (2020–2024).

How much grant funding has Sky Island Alliance received?

IRS 990 filings record $2.4M in grants to Sky Island Alliance across 93 grants from 36 funders between 2019–2025. Filings are published on a delay, so recent grants may not appear yet.

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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.

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