Private Foundation

BOYCE THOMPSON SOUTHWESTERN ARBORETUM

BOYCE THOMPSON SOUTHWESTERN ARBORETUM is a Private Foundation headquartered in SUPERIOR, AZ. Financial data from the 2025 filing: $5.1M revenue, $4.8M expenses, $11.4M total assets. IRS filings disclose 3 grants awarded by this foundation, totaling roughly $758K.

EIN: 880061520 SUPERIOR, AZ Latest filing: 2025
Total Revenue$5.1M
Total Expenses$4.8M
Total Assets$11.4M
Grants Given3
Grant Total$758K
Filing Years2021–2025

Sample Grants Given

BOYCE THOMPSON SOUTHWESTERN ARBORETUM FOUNDATION
SUPERIOR, AZ · 2024
OPERATING SUPPORT
$2,089
BOYCE THOMPSON SOUTHWESTERN ARBORETUM FOUNDATION
SUPERIOR, AZ · 2023
OPERATING SUPPORT
$7,500
UNIVERISTY OF ARIZONA
TUCSON, AZ · 2018
GENERAL CONTRIBUTION
$747,972

Showing up to 5 of 3 total records — full history available with membership.

Officers & Directors

SECRETARY Anne Bishop Esq
DIRECTOR Bryan Seppala
DIRECTOR Carol Parrott
DIRECTOR Carolyn Baecker
DIRECTOR Dr Bobbie Lancaster
DIRECTOR Gema Duarte Luna

Officer compensation and complete director data available with membership.

Top Grant Purposes

GENERAL CONTRIBUTION
$747,972 1 grant
OPERATING SUPPORT
$9,589 2 grants

Financial Trends

Year Revenue Expenses Assets
2025 $5.1M $4.8M $11.4M
2024 $4.8M $5.0M $10.4M
2023 $3.3M $3.4M $10.4M
2022 $3.2M $3.1M $10.2M
2021 $2.9M $2.3M $11.2M

Between 2021 and 2025, reported annual revenue grew from $2.9M to $5.1M (+79%), with total assets most recently reported at $11.4M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AZ.

AZ

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for BOYCE THOMPSON SOUTHWESTERN ARBORETUM

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