Ottosen Foundation

EIN 86-0778785 · AZ · NTEE T20J

Invitation only Typical grant ~$50K Funds in AZ, VA, IL
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Giving Profile

In 2025, Ottosen Foundation based in AZ paid 15 grants totaling $893.1K to 15 organizations across 3 states. Individual grants ranged from $10K to $300K, with a median of $50K. Its largest recipients included BANNER HEALTH FOUNDATION, THE SALVATION ARMY, and BALLET ARIZONA. The foundation does not accept unsolicited applications — giving is by invitation only.

Foundation at a Glance

Total assets
$8,759,919
Giving (latest yr)
$893,078
Filing year
2025
Itemized grants
15
Median grant
$50K
Recipients
15
States reached
3
Officers/trustees
3
Unsolicited applications
No — invitation only

Where the Money Goes

Top recipients

  • Banner Health Foundation$300,000
  • The Salvation Army$70,000
  • Ballet Arizona$50,000
  • Barrow Neurological Foundation$50,000
  • Hospice of the Valley$50,000

Where grants went

  • Arizona$823,078 · 13 grants
  • Virginia$50,000 · 1 grant
  • Illinois$20,000 · 1 grant

Grants Paid (15)

Banner Health Foundation
Phoenix, AZ
Program Support
$300,000
The Salvation Army
Phoenix, AZ
Program Support
$70,000
Barrow Neurological Foundation
Phoenix, AZ
Program Support
$50,000
St Vincent DE Paul Society
Phoenix, AZ
Program Support
$50,000
St Mary's Food Bank
Phoenix, AZ
Program Support
$50,000
The Nature Conservancy
Arlington, VA
Program Support
$50,000
O'connor Institute
Phoenix, AZ
Program Support
$50,000
Hospice of the Valley
Phoenix, AZ
Public Support
$50,000
Ballet Arizona
Phoenix, AZ
Program Support
$50,000
Desert Botanical Garden
Phoenix, AZ
Program Support
$48,078
Tgen Foundation
Phoenix, AZ
Program Support
$35,000
Rosie's House
Phoenix, AZ
Program Support
$35,000

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FAQFrequently Asked Questions

No. Ottosen Foundation does not accept unsolicited applications — its grantmaking is by invitation only. Cultivating a relationship or securing an introduction is typically required.

In its most recent filing, Ottosen Foundation reported 15 itemized grants totaling $893.1K. Individual grants ranged from $10K to $300K (median $50K).

Recent recipients include BANNER HEALTH FOUNDATION, THE SALVATION ARMY, BALLET ARIZONA, among 15 organizations in total. The full grant list is on this page.

Ottosen Foundation is a private foundation based in Arizona, per its IRS 990-PF filing.

Ottosen Foundation gives by invitation only, so there is no open application. Officer and address details from its 990-PF are the best starting point for an introduction.

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