The Teton Range reflected in a lake in Grand Teton National Park, Wyoming

Form 990-PFTax year 2024EIN 22-3787992

Stoneriver Foundation

A private foundation in Jackson, WY. Its return for tax year 2024 lists 4 grants and $152,400 paid in grants.

Tax year 2024 (period ending Nov 30, 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

How to apply

Preselected only

The return checks the box saying the foundation gives only to preselected organizations and does not accept unsolicited requests. It still lists the details below.

Contact
NA
Form and materials
N/A
Deadlines
N/A
Restrictions
N/A

Assets and giving by year

8 returns on file
Grants paid by tax year. The latest year is in blue.
  • Tax year 2024

    $152,400

    Grants listed
    4
    Assets, end of year
    $2,940,942
  • Tax year 2023

    $155,100

    Grants listed
    4
    Assets, end of year
    $2,963,899
  • Tax year 2022

    $179,100

    Grants listed
    5
    Assets, end of year
    $2,910,735
  • Tax year 2021

    $254,725

    Grants listed
    4
    Assets, end of year
    $2,974,616
  • Tax year 2020

    $355,700

    Grants listed
    8
    Assets, end of year
    $3,202,220
  • Tax year 2019

    $326,200

    Grants listed
    13
    Assets, end of year
    $3,552,647
  • Tax year 2018

    $289,616

    Grants listed
    14
    Assets, end of year
    $3,857,105
  • Tax year 2017

    $237,000

    Grants listed
    9
    Assets, end of year
    $4,078,887

Grants paid in 2024

4 grants, largest first

As listed on the return.

  1. Wonder InstituteJackson, WY

    Special project fund

    $95,000
  2. Community Foundation of Jackson Hol Community Foundation of Jackson HoleJackson, WY

    Matching grant

    $32,300
  3. Dancers WorkshopJackson, WY

    General support

    $25,000
  4. The Thacher SchoolOjai, CA

    General support

    $100

Where the money goes

By cause: grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education2 grants $95,10079% of the total
  2. Arts and culture1 grant $25,00021% of the total

By State

Grants to organizations with a US address, latest year.

  1. Wyoming3 grants $152,300
  2. California1 grant $100

Officers, directors and trustees

5 people as filed

As filed on the return, with average hours per week and pay from the foundation.

  • Gary K SilberbergPRESIDENT Hours 0Pay $0
  • Veronica K SilberbergVICE PRESIDE Hours 0Pay $0
  • Adam SilberbergVICE PRESIDE Hours 0Pay $0
  • Lia SilberbergDIRECTOR Hours 0Pay $0
  • Molly SilberbergDIRECTOR Hours 0Pay $0

The return

More foundations

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  2. Guerrero Family FoundationJackson, WY 45 grants Preselected only $183,750 giving
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