Private foundation · Los Angeles, CA

United Plankton Charitable Trust

View org profile →Find similar funders →Invitation only
Typical grant size
$5K – $26K – $54K
25th · median · 75th percentile
Unique recipients
29
Repeat grantees
16
funded 2+ years

Application procedures · from 2024 990-PF

Leadership · from 2024 990-PF

Karen Hillenburg
TRUSTEE
Stephen Hillenburg
TRUSTEE

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

Payout rate · TY 2024
40.1%
grants paid ÷ assets · ~5% IRS minimum
'18
'19
'20
'21
'22
'23
'24
139
Total grants awarded
$8.3M
Total amount
$60K
Average grant
$1.0M
Largest grant

Giving by year

2024
$3.4M
17 grants
2023
$958K
16 grants
2022
$838K
16 grants
2021
$645K
14 grants
2020
$778K
18 grants
2019
$979K
23 grants
2018
$749K
35 grants

Top recipients

7 grants · CA · ✓ Exact match
$2.1M
Hammer Museum Los Angeles
7 grants · CA
$947K
7 grants · NY · ✓ Exact match
$715K
7 grants · CA · ✓ Exact match
$579K
7 grants · CA · ✓ Exact match
$561K
7 grants · CA · ✓ Exact match
$461K
7 grants · CA · ✓ Exact match
$455K
1 grant · CA · ✓ Exact match
$345K
7 grants · CA · ✓ Exact match
$305K
5 grants · CA · ✓ Exact match
$251K

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

California Institute of the Arts
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHAR…
CA · TY 2024
$1.0M
Hammer Museum Los Angeles
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$615K
Cal Poly Humboldt Foundation
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$345K
The Museum of Contemporary Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$315K
Institute of Contemporary Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$250K
Performance Art Museum
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$200K
Los Angeles Philharmonic Association
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$150K
Pasadena Conservatory of Music
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$120K
Heart of the Brain
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$100K
Planned Parenthood Federation of America Inc
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
NY · TY 2024
$100K
Lace
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$50K
The Museum of Modern Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
NY · TY 2024
$45K
Laxart
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$25K
Polytechnic School
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2024
$25K
American Friends of the National Gallery
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
TY 2024
$5K
Lcyc Community Sailing Foundation
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
ME · TY 2024
$5K
The Nasher Sculpture Center
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
TX · TY 2024
$2K
Hammer Museum Los Angeles
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$157K
Institute of Contemporary Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$150K
California Institute of the Arts
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHAR…
CA · TY 2023
$100K
The Museum of Contemporary Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$100K
Planned Parenthood Federation of America Inc
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
NY · TY 2023
$100K
Heart of the Brain
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$75K
Future Roots Inc
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$50K
Polytechnic School
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$50K
Lace
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$50K
Laistsouthern California Public Radio
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$40K
The Museum of Modern Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
NY · TY 2023
$33K
Los Angeles Philharmonic Association
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$25K
Pasadena Conservatory of Music
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$20K
California State University Domingues Hills Philanthropic Foundation
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$5K
The Huntington
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$3K
Pbs Socal
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2023
$1K
Pasadena Conservatory of Music
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$220K
Planned Parenthood Federation of America Inc
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
NY · TY 2022
$100K
California Institute of the Arts
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHAR…
CA · TY 2022
$100K
Heart of the Brain
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$65K
Institute of Contemporary Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$50K
Future Roots Inc
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$50K
Polytechnic School
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$45K
The Museum of Contemporary Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$45K
Southern California Public Radio
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$40K
The Museum of Modern Art
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
NY · TY 2022
$33K
Los Angeles Philharmonic Association
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$25K
Kcrw Foundation Inc
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$25K
Lace
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$20K
Hammer Museum Los Angeles
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$10K
California State University Domingues Hills Philanthropic Foundation
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$5K
Equitable Vitrines
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2022
$5K
California Institute of the Arts
TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.TO FURTHER ORGANIZATION'S CHARITABLE PURPOSE.
CA · TY 2021
$100K

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