Private foundation · Wayzata, MN

Prospect Creek Foundation

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Typical grant size
$1K – $3K – $10K
25th · median · 75th percentile
Unique recipients
60
Repeat grantees
36
funded 2+ years

Application procedures · from 2024 990-PF

DeadlinesN/A
ContactMARTHA C ATWATER · 6126729603
MaterialsIN WRITING WITH SUPPORTING MATERIALS INDICATING CHARITABLE PURPOSE
RestrictionsN/A

Leadership · from 2024 990-PF

Martha Clark Atwater
DIRECTOR
H B Atwater Jr
DIRECTOR
Elizabeth Atwater Connolly
DIRECTOR

Source: IRS Form 990-PF, Part VII. Officers, directors, and trustees as reported by the foundation.

Payout rate · TY 2024
19.4%
grants paid ÷ assets · ~5% IRS minimum
'20
'21
'22
'23
'24
229
Total grants awarded
$14.6M
Total amount
$64K
Average grant
$3.0M
Largest grant

Giving by year

2024
$4.9M
20 grants
2023
$3.5M
25 grants
2022
$1.6M
45 grants
2021
$1.9M
59 grants
2020
$2.8M
80 grants

Top recipients

5 grants · MN · ✓ Exact match
$4.5M
Schwab Charitable (dafgiving360)
1 grant · CA
$3.0M
Ucsf Foundation
2 grants · CA
$2.8M
Summit Academy
5 grants · MN
$1.7M
Mayo Foundation
1 grant · MN
$500K
3 grants · MN · ✓ Exact match
$325K
2 grants · MN · ✓ Exact match
$254K
4 grants · NJ · ✓ Exact match
$151K
1 grant · CA · ≈ likely match
$110K
5 grants · MN · ≈ likely match
$100K

Recipient names are as reported on the 990-PF. ✓ Exact match = EIN matched to IRS records by exact name + state; ≈ likely match = EIN inferred from a closely similar name. The recipient EIN is never stated on the form — it is DoubleNine’s match.

Recent grants · most recent filings first

Schwab Charitable (dafgiving360)
OPERATIONAL
CA · TY 2024
$3.0M
Great Mn Schools
OPERATIONAL
MN · TY 2024
$1.2M
Summit Academy
OPERATIONAL
MN · TY 2024
$550K
Princeton University
OPERATIONAL
NJ · TY 2024
$25K
Minneapolis Institute of Arts
OPERATIONAL
MN · TY 2024
$20K
Blake School
OPERATIONAL
MN · TY 2024
$15K
Etc Foundation
OPERATIONAL
CA · TY 2024
$8K
Minnesota Opera
OPERATIONAL
MN · TY 2024
$5K
Santa Barbara Museum of Art
OPERATIONAL
CA · TY 2024
$5K
Santa Barbara Cottage Hospital Foundation
OPERATIONAL
CA · TY 2024
$5K
St Paul Chamber Orchestra
OPERATIONAL
MN · TY 2024
$5K
Minnesota Public Radio
OPERATIONAL
MN · TY 2024
$4K
Minnesota Landscape Arboretum Foundation
OPERATIONAL
MN · TY 2024
$3K
Twin Cities Public Television
OPERATIONAL
MN · TY 2024
$3K
Minnesota Zoo
OPERATIONAL
MN · TY 2024
$3K
Minnetonka Center for the Arts
OPERATIONAL
MN · TY 2024
$3K
Minnesota Historical Society
OPERATIONAL
MN · TY 2024
$2K
Theater Latte Da
OPERATIONAL
MN · TY 2024
$2K
Children's Theatre Company
OPERATIONAL
CA · TY 2024
$1K
Graywolf Press
OPERATIONAL
MN · TY 2024
$1K
Ucsf Foundation
BREAST ONCOLOGY PROGRAM
CA · TY 2023
$1.9M
Great Mn Schools
OPERATIONAL
MN · TY 2023
$1.0M
Summit Academy
OPERATIONAL
MN · TY 2023
$300K
Guthrie Theater
OPERATIONAL
MN · TY 2023
$75K
Walker Art Center
OPERATIONAL
MN · TY 2023
$52K
Minneapolis Heart Institute Foundation
OPERATIONAL
MN · TY 2023
$50K
Minneapolis Institute of Arts
OPERATIONAL
MN · TY 2023
$20K
Minnesota Orchestra
OPERATIONAL
MN · TY 2023
$15K
Santa Barbara Museum of Art
OPERATIONAL
CA · TY 2023
$14K
Santa Barbara Cottage Hospital Foundation
OPERATIONAL
CA · TY 2023
$5K
The Etc Theater
OPERATIONAL
IL · TY 2023
$5K
The Land Trust for Santa Barbara
OPERATIONAL
CA · TY 2023
$5K
Minnesota Opera
OPERATIONAL
MN · TY 2023
$5K
Science Museum of Minnesota
OPERATIONAL
MN · TY 2023
$5K
Minnesota Public Radio
OPERATIONAL
MN · TY 2023
$4K
Greater Minneapolis Crisis Nursery
OPERATIONAL
MN · TY 2023
$4K
Minnesota Landscape Arboretum Foundation
OPERATIONAL
MN · TY 2023
$3K
Twin Cities Public Television
OPERATIONAL
MN · TY 2023
$3K
Minnetonka Center for the Arts
OPERATIONAL
MN · TY 2023
$3K
University of California
OPERATIONAL
CA · TY 2023
$3K
Community Arts Music Association of Santa Barbara
OPERATIONAL
CA · TY 2023
$2K
Minnesota Historical Society
OPERATIONAL
MN · TY 2023
$2K
University of Minnesota Foundation
OPERATIONAL
MN · TY 2023
$1K
Wayzata Fire Department
OPERATIONAL
MN · TY 2023
$1K
Graywolf Press
OPERATIONAL
MN · TY 2023
$1K
Great Mn Schools
OPERATIONAL
MN · TY 2022
$889K
Summit Academy
OPERATIONAL
MN · TY 2022
$250K
Guthrie Theater
OPERATIONAL
MN · TY 2022
$175K
Princeton University
OPERATIONAL
NJ · TY 2022
$35K
Blake School
OPERATIONAL
MN · TY 2022
$25K

Source: IRS Form 990-PF, Part XV. Up to 50 most recent grants shown.