Cabin Road Foundation

The Cabin Road Foundation (officially known as “Cabin Road Foundation 04042011” 1 ) is a private foundation located in San Francisco, California, associated with former professional tennis player Anne Matta, formerly known as Anne Grousbeck. The foundation donates to universities, charter schools, criminal justice advocacy groups, and environmentalist advocates.

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At-A-Glance

Type: Non-profit, 501(c)(3), Private Foundation
Trustees:

Anne Matta and Horacio Matta

Location: San Francisco, CA View on map
Tax ID: 30-6284988
Most Recent Filing: 2025
Budget (2025): Assets: $233,037,670 Revenue: $5,028,472 Expenses: $14,220,727

Contents

    Grants

    In 2021, the Cabin Road Foundation disbursed almost $25 million in grants. Its largest recipient, Stanford University, received $12 million. Alameda Emergency Food received $10 million, the University of California Berkeley Foundation received almost $2 million, the San Francisco Foundation received $1 million, and the Fit Kids Foundation received $20,000. 1

    In 2020, the foundation disbursed almost $56 million in grants. The two largest recipients, each receiving $10 million, were Greenpeace and the Friends of Earl Monroe Charter School. The Sunrise Movement Education Fund, a group that supports the Green New Deal, received $8 million. Other recipients included Media Matters for America, Legal Services for Prisoners with Children, and the Innocence Project. 2

    Leadership

    In the Cabin Road Foundation’s 2022 tax filings, the organization lists two trustees: Anne Matta and her husband, Horacio Matta. Both are former professional tennis players. 1 3

    Anne’s brother, Wyc Grousbeck, is a venture capitalist and the co-owner of the Boston Celtics National Basketball Association team. 4 5 The other co-owner of the Celtics is their father, Irving Grousbeck, the co-founder of Continental Cablevision in 1963. As of January 2024, Forbes estimates the Grousbeck family fortune at $2.2 billion. 6

    Financial Statistics

    Total Assets

    Total Revenue

    Total Expenses

    YearTotal AssetsTotal RevenueTotal ExpensesFiling
    2025 $233,037,670 $5,028,472 $14,220,727 View
    2024 $278,951,675 $28,621,760 $134,225,168 View
    2023 $377,811,589 $14,119,331 $16,122,889 View
    2022 $364,472,471 $13,709,404 $26,776,548 View
    2021 $383,069,823 $8,803,119 $57,126,023 View
    2020 $370,589,013 $6,064,319 $15,217,236 View

    Prior year filings: 2019, 2015, 2014, 2013, 2012

    Expenses Detail

    Grant Activity

    All-time grants given statistics from Candid dataset:

    • Total Grant Value: $244,787,479
    • Number of Grants: 108
    • Number of Recipients: 43

    Selection of highest value grants given from the last seven years:

    AmountYearFunderSubject
    $20,000,0002024 Association for Computing MachineryGENERAL
    $20,000,0002024 Meharry Medical CollegeGENERAL
    $20,000,0002024 North Carolina A & T State UniversityGENERAL
    $20,000,0002024 Paul Quinn CollegeGENERAL
    $20,000,0002024 Planned Parenthood Federation of America, Inc.GENERAL
    $20,000,0002024 Tuskegee UniversityGENERAL
    $12,000,0002022 Stanford University – o50GENERAL
    $10,000,0002022 Alameda Emergency Food dba Alameda Food BankGENERAL
    $10,000,0002021 Greenpeace Fund, Inc.GENERAL
    $8,000,0002023 Lentz Family Unitrust Charitable Remainder Unitrust Dtd 081889GENERAL
    $8,000,0002021 Sunrise Movement Education FundGENERAL
    $6,375,0002024 STANFORD UNIVERSITYGENERAL
    $4,000,0002024 Lentz Family Unitrust Charitable Remainder Unitrust Dtd 081889GENERAL
    $4,000,0002021 Stanford University – o50GENERAL
    $3,680,0002021 University of California Berkeley FoundationGENERAL
    $3,579,5252021 ALIVE & FREEGENERAL
    $3,000,0002021 Menlo School College OpportunityGENERAL
    $2,000,0002020 Sunrise Movement Education FundGENERAL
    $1,800,0002020 University of California Berkeley FoundationGENERAL
    $1,400,0002020 Menlo School College OpportunityGENERAL
    $1,200,0002021 Media Matters for AmericaGENERAL
    $1,000,0002022 San Francisco FoundationGENERAL
    $1,000,0002021 Chambers Family FoundationGENERAL
    $1,000,0002021 NCEFT – NATIONAL CENTER FOR EQUINE FACILITATED THERAPYGENERAL
    $1,000,0002021 NETWORK ON WOMEN IN PRISONGENERAL

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    Financials, employee compensation, and grant information provided by Candid.

    Mentioned in this Article

    References

    1. “Cabin Road Foundation 04042011 Form 990.” ProPublica. Accessed January 17, 2024. https://projects.propublica.org/nonprofits/organizations/306284988/202321029349102267/full.
    2. “Cabin Road Foundation 04042011 Form 990.” ProPublica. Accessed January 20, 2024. https://projects.propublica.org/nonprofits/organizations/306284988/202321029349102267/full.
    3. “Broadway Tennis Center to switch owners.” The Daily Journal. May 1, 2018. Accessed January 20, 2024. https://www.smdailyjournal.com/news/local/broadway-tennis-center-to-switch-owners/article_936c7568-4cf5-11e8-9863-ffdf61824947.html.
    4. [1] “Player Bio: Kelsey Grousbeck.” Go Stanford. Accessed January 20, 2024. https://gostanford.com/sports/2013/4/17/208437190.
    5. “Wycliffe “Wyc” Grousbeck.” ACG Boston. Accessed January 20, 2024. https://www.acg.org/boston/wycliffe-wyc-grousbeck.
    6. “Irving Grousbeck and family.” Forbes. January 20, 2024. https://www.forbes.com/profile/irving-grousbeck/?sh=3424fd9778aa.