A river running through a deep pine forest valley

Grant recipient EIN 27-4118171Environment

Who funds Ten Strands?

41 private foundations gave Ten Strands in San Francisco, CA $5.7 million across 139 grants, in tax years 2017 to 2025.

Grants listed on funders’ 990-PF returns for tax years 2017 to 2025, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

139 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. Patterson Family FoundationHockessin, DE 2025

    General & Unrestricted

    $10,000
  2. Perkins Hunter FoundationChicago, IL 2025

    General Use

    $7,000
  3. Farallon FoundationPleasanton, CA 2025

    Educational Purposes

    $5,000
  4. Nia Community FoundationWilmington, DE 2025

    General & Unrestricted

    $5,000
  5. Oberndorf Family FoundationSan Francisco, CA 2025

    General charity

    $5,000
  6. The North Ridge FoundationMill Valley, CA 2025

    General operating support

    $1,000
  7. S H Cowell FoundationSan Francisco, CA 2024

    To develop california's k12 climate change and environmental justice curriculum.

    $165,000
  8. Laural FoundationSan Francisco, CA 2024

    Support to advance environmental literacy in california's k-12 schools.

    $100,000
  9. The David and Lucile Packard FoundationLos Altos, CA 2024

    Families and Communities

    $75,000
  10. Sand Hill FoundationMenlo Park, CA 2024

    Environmental solutionary teacher fellowship 10.0

    $55,000
  11. The WLS Spencer FoundationNew York, NY 2024

    For data initiative for environmental and climate action

    $50,000
  12. The Horace W Goldsmith FoundationNew York, NY 2024

    General operations

    $50,000
  13. The Belle Jar FoundationCreston, CA 2024

    unrestricted

    $50,000
  14. MSB Cockayne Fund IncNashville, TN 2024

    To further one or more of the exempt purposes of the charity

    $35,000
  15. Hunter Family FoundationChicago, IL 2024

    Learning grant

    $25,000
  16. William K Bowes Jr FoundationSan Francisco, CA 2024

    General operating support

    $25,000
  17. Robert and Ruth Halperin FoundationSan Francisco, CA 2024

    To support education programs

    $25,000
  18. Patterson Family FoundationHockessin, DE 2024

    General & Unrestricted

    $10,000
  19. Oberndorf Family FoundationSan Francisco, CA 2024

    General charity

    $5,000
  20. The Keith Campbell Foundation for the Environment IncBethesda, MD 2024

    General support

    $2,500
  21. Farallon FoundationPleasanton, CA 2024

    Educational Purposes

    $1,500
  22. Growald Climate Fund IncBrookline, MA 2024

    General support

    $1,000
  23. Lisa & Douglas Goldman FundSan Francisco, CA 2024

    General operating support

    $1,000
  24. The North Ridge FoundationMill Valley, CA 2024

    General operating support

    $1,000
  25. The Elizabeth R & William J Patterson FoundationRoss, CA 2023

    California Environmental Literacy Initiative and National COVID-19 Outdoor Learning Initiative

    $125,000
  26. Bronfman Hauptman FoundationBeverly Hills, CA 2023

    General support

    $100,000
  27. Suzanne Upjohn Delano Parish FoundationKalamazoo, MI 2023

    2023 winter grant - data initiative and environmental related work in schools buildings and grounds

    $100,000
  28. The David and Lucile Packard FoundationLos Altos, CA 2023

    Families and Communities

    $100,000
  29. Laural FoundationSan Francisco, CA 2023

    To support and advance environmental literacy in california's k-12 schools.

    $100,000
  30. S H Cowell FoundationSan Francisco, CA 2023

    To support community writing teams developing california's k12 climate change and environmental justice curriculum.

    $75,000
  31. Sand Hill FoundationMenlo Park, CA 2023

    Environmental solutionary teacher fellowship 9.0

    $55,000
  32. The WLS Spencer FoundationNew York, NY 2023

    For data initiative for environmental and climate action in californias TK12 schools

    $50,000
  33. The Horace W Goldsmith FoundationNew York, NY 2023

    General operations

    $50,000
  34. The Belle Jar FoundationCreston, CA 2023

    unrestricted

    $50,000
  35. William K Bowes Jr FoundationSan Francisco, CA 2023

    General operating support

    $50,000
  36. MSB Cockayne Fund IncNashville, TN 2023

    To further one or more of the exempt purposes of the charity

    $35,000
  37. DWSS IncWaltham, MA 2023

    Climascope project

    $26,250
  38. Jacques M Littlefield FoundationMenlo Park, CA 2023

    Operating support

    $25,000
  39. Robert and Ruth Halperin FoundationSan Francisco, CA 2023

    To support education programs

    $25,000
  40. The Owsley Brown III Philanthropic FoundLouisville, KY 2023

    General support

    $15,000
  41. Oberndorf Family FoundationSan Francisco, CA 2023

    General charity

    $10,000
  42. Nia Community FoundationWilmington, DE 2023

    General & Unrestricted

    $5,000
  43. The Keith Campbell Foundation for the Environment IncBethesda, MD 2023

    General support

    $5,000
  44. The Laney and Pasha Thornton FoundationSan Francisco, CA 2023

    General charitable purpose

    $1,000
  45. Lisa & Douglas Goldman FundSan Francisco, CA 2023

    General operating support

    $1,000
  46. The North Ridge FoundationMill Valley, CA 2023

    General operating support

    $1,000
  47. Amazonsmile FoundationSeattle, WA 2023

    General support

    $23
  48. The Elizabeth R & William J Patterson FoundationRoss, CA 2022

    California Environmental Literacy Initiative and National COVID-19 Outdoor Learning Initiative

    $291,667
  49. The David and Lucile Packard FoundationLos Altos, CA 2022

    Local grantmaking

    $150,000
  50. Suzanne Upjohn Delano Parish FoundationKalamazoo, MI 2022

    2022 grant

    $100,000
  51. First Republic FoundationSan Franscisco, CA 2022

    Education

    $100,000
  52. The Elizabeth R & William J Patterson FoundationRoss, CA 2022

    General & Unrestricted

    $83,333
  53. Jacques M Littlefield FoundationMenlo Park, CA 2022

    Operating support

    $75,000
  54. Sand Hill FoundationMenlo Park, CA 2022

    San mateo county teacher participation in the environmental and climate justice solutionary teacher fellowship 8.0

    $55,000
  55. The Horace W Goldsmith FoundationNew York, NY 2022

    General operations

    $50,000
  56. Caldwell Fisher Family FoundationMenlo Park, CA 2022

    Environment

    $50,000
  57. The Belle Jar FoundationCreston, CA 2022

    To support the program of california environmental literacy initiative

    $50,000
  58. William K Bowes Jr FoundationSan Francisco, CA 2022

    General operating support

    $50,000
  59. DWSS IncWaltham, MA 2022

    Climascope project

    $25,773
  60. Bronfman Hauptman FoundationBeverly Hills, CA 2022

    General support

    $25,000
  61. Robert and Ruth Halperin FoundationSan Francisco, CA 2022

    To build and strengthen parnterships and strategies that will bring literacy to all of california's k-12 students

    $25,000
  62. MSB Cockayne Fund IncNashville, TN 2022

    To further one or more of the exempt purposes of the charity

    $20,000
  63. The Owsley Brown III Philanthropic FoundLouisville, KY 2022

    General support

    $15,000
  64. The Maxwellhanrahan FoundationSan Francisco, CA 2022

    To support general operations

    $15,000
  65. Patterson Family FoundationHockessin, DE 2022

    General & Unrestricted

    $10,000
  66. The Keith Campbell Foundation for the Environment IncBethesda, MD 2022

    General support

    $7,500
  67. Oberndorf Family FoundationSan Francisco, CA 2022

    General charity

    $5,000
  68. Farallon FoundationPleasanton, CA 2022

    Educational Purposes

    $1,500
  69. Henlopen Foundation IncSeattle, WA 2022

    In support of 501(c)(3) organization

    $1,500
  70. The Laney and Pasha Thornton FoundationSan Francisco, CA 2022

    General charitable purpose

    $1,000
  71. Lisa & Douglas Goldman FundSan Francisco, CA 2022

    General operating support

    $1,000
  72. Amazonsmile FoundationSeattle, WA 2022

    General support

    $16
  73. Suzanne Upjohn Delano Parish FoundationKalamazoo, MI 2021

    General support

    $100,000
  74. First Republic FoundationSan Franscisco, CA 2021

    Create a new senior level position to lead the production, dissemination, and teacher training of the new climate curriculum

    $100,000
  75. Sand Hill FoundationMenlo Park, CA 2021

    Solutionary PBL teacher fellowship 7.0

    $55,000
  76. The Horace W Goldsmith FoundationNew York, NY 2021

    General operations

    $50,000
  77. Jacques M Littlefield FoundationMenlo Park, CA 2021

    Operating support

    $50,000
  78. Caldwell Fisher Family FoundationMenlo Park, CA 2021

    Environment

    $50,000
  79. William K Bowes Jr FoundationSan Francisco, CA 2021

    Preparing k12 teachers to bring environmental literacy to california's students

    $50,000
  80. MSB Cockayne Fund IncNashville, TN 2021

    To further one or more of the exempt purposes of the charity

    $25,000
  81. Clarence E Heller Charitable FoundationSan Francisco, CA 2021

    To formalize the partnership between ten strands and the california association of outdoor and environmental educators

    $25,000
  82. Robert and Ruth Halperin FoundationSan Francisco, CA 2021

    To support education programs

    $25,000
  83. The Owsley Brown III Philanthropic FoundLouisville, KY 2021

    Operating support

    $20,000
  84. Henlopen Foundation IncSeattle, WA 2021

    In support of 501(c)(3) organization

    $10,000
  85. The Keith Campbell Foundation for the Environment IncBethesda, MD 2021

    General support

    $10,000
  86. The Keith Campbell Foundation for the Environment IncBethesda, MD 2021

    Equity training for ten strands staff

    $5,000
  87. Patterson Family FoundationHockessin, DE 2021

    General & Unrestricted

    $5,000
  88. Farallon FoundationPleasanton, CA 2021

    Educational Purposes

    $3,500
  89. The Laney and Pasha Thornton FoundationSan Francisco, CA 2021

    General charitable purpose

    $1,500
  90. Lisa & Douglas Goldman FundSan Francisco, CA 2021

    General operating support

    $1,000
  91. The Hoenigman Family FoundationSan Francisco, CA 2021

    To support environmental literacy education for all k-12 students.

    $1,000
  92. Swig FoundationSan Francisco, CA 2021

    Raise environmental literacy by providing high-quality environment-based learning and hands-on education to all california k12 students.

    $1,000
  93. Amazonsmile FoundationSeattle, WA 2021

    General support

    $28
  94. Esb Charitable FoundationSan Francisco, CA 2020

    Funds to support the california environmental literacy initiative

    $250,000
  95. Esb Charitable FoundationSan Francisco, CA 2020

    Funds for general operating support for ten strands

    $200,000
  96. The Elizabeth R & William J Patterson FoundationRoss, CA 2020

    Leveraging our leadership and management of California's Environmental Literacy Steering Committee to accelerate the rate that environmental literacy scales in California's public schools.

    $125,000
  97. The David and Lucile Packard FoundationLos Altos, CA 2020

    Local grantmaking

    $100,000
  98. Sand Hill FoundationMenlo Park, CA 2020

    San mateo environmental learning collaborative 6.0

    $55,000
  99. Suzanne Upjohn Delano Parish FoundationKalamazoo, MI 2020

    Environmental literacy program

    $50,000
  100. Caldwell Fisher Family FoundationMenlo Park, CA 2020

    Education/environment

    $50,000
  101. Clarence E Heller Charitable FoundationSan Francisco, CA 2020

    For the covid-19 outdoor learning initiative

    $50,000
  102. William K Bowes Jr FoundationSan Francisco, CA 2020

    Preparing k12 teachers to bring environmental literacy to california's students

    $50,000
  103. The James and Rebecca Morgan Family FoundationLos Altos, CA 2020

    General support

    $50,000
  104. Gordon E and Betty I Moore FoundationPalo Alto, CA 2020

    In support of efforts to explore the potential of outdoor and environmental education in the COVID-19 era.

    $50,000
  105. MSB Cockayne Fund IncNashville, TN 2020

    To further one or more of the exempt purposes of the charity

    $35,000
  106. Robert and Ruth Halperin FoundationSan Francisco, CA 2020

    Further charitable purpose

    $25,000
  107. The Owsley Brown III Philanthropic FoundLouisville, KY 2020

    Annual fund

    $10,000
  108. The Keith Campbell Foundation for the Environment IncBethesda, MD 2020

    General support

    $10,000
  109. Patterson Family FoundationHockessin, DE 2020

    General & Unrestricted

    $10,000
  110. Nia Community FoundationWilmington, DE 2020

    General & Unrestricted

    $5,000
  111. Growald Climate Fund IncBrookline, MA 2020

    Environmental

    $5,000
  112. The Keith Campbell Foundation for the Environment IncBethesda, MD 2020

    Database transition to salesforce

    $5,000
  113. Henlopen Foundation IncSeattle, WA 2020

    In support of 501(c)(3) organization

    $2,500
  114. The Laney and Pasha Thornton FoundationSan Francisco, CA 2020

    General charitable purpose

    $1,500
  115. Farallon FoundationPleasanton, CA 2020

    Educational Purposes

    $1,500
  116. Lisa & Douglas Goldman FundSan Francisco, CA 2020

    General charitable purposes

    $1,000
  117. Swig FoundationSan Francisco, CA 2020

    Raise environmental literacy by providing high-quality environment-based learning and hands-on education to all California K12 students.

    $1,000
  118. Amazonsmile FoundationSeattle, WA 2020

    General support

    $33
  119. Esb Charitable FoundationSan Francisco, CA 2019

    Funds for ten strands to accelerate the efforts of the california environmental literacy initiative and to ensure that it has a robust team in place that brings together internal and external expertise to make meaningful progress toward embedding environmental literacy into k12 education in california

    $249,903
  120. The Elizabeth R & William J Patterson FoundationRoss, CA 2019

    Leveraging our leadership and management of California's Environmental Literacy Steering Committee to accelerate the rate that environmental literacy scales in California's public schools

    $125,000
  121. Robert and Ruth Halperin FoundationSan Francisco, CA 2019

    Further charitable purpose.

    $25,000
  122. The Owsley Brown III Philanthropic FoundLouisville, KY 2019

    Annual fund

    $10,000
  123. MSB Cockayne Fund IncNashville, TN 2019

    General charitable purposes

    $10,000
  124. Oberndorf Family FoundationSan Francisco, CA 2019

    General charity

    $5,000
  125. Rosenberg Ach FoundationSan Francisco, CA 2019

    Community

    $2,500
  126. Henlopen Foundation IncSeattle, WA 2019

    In support of 501(c)(3) organization

    $1,500
  127. Lisa & Douglas Goldman FundSan Francisco, CA 2019

    General charitable purposes

    $1,000
  128. Esb Charitable FoundationSan Francisco, CA 2018

    Funds to continue action and implementation of the california blueprint for environmental literacy

    $494,723
  129. HRH FoundationMenlo Park, CA 2018

    General operating purposes

    $30,000
  130. Robert and Ruth Halperin FoundationSan Francisco, CA 2018

    Further charitable purpose

    $25,000
  131. MSB Cockayne Fund IncNashville, TN 2018

    General charitable purposes

    $23,000
  132. The Owsley Brown III Philanthropic FoundLouisville, KY 2018

    Annual fund

    $10,000
  133. Oberndorf Family FoundationSan Francisco, CA 2018

    General charity

    $5,000
  134. Rosenberg Ach FoundationSan Francisco, CA 2018

    Education

    $2,500
  135. The Hoenigman Family FoundationSan Francisco, CA 2018

    Unrestricted

    $2,500
  136. Lisa & Douglas Goldman FundSan Francisco, CA 2018

    General charitable purposes

    $1,000
  137. Swig FoundationSan Francisco, CA 2018

    Raise environmental literacy by providing high-quality environment-based learning and hands-on education to all California K12 students.

    $1,000
  138. Flora L Thornton FoundationSan Francisco, CA 2018

    General support

    $1,000
  139. The Owsley Brown III Philanthropic FoundLouisville, KY 2017

    General operating support

    $10,000

Funders of similar organizations nearby

Foundations that gave to other environment organizations in San Rafael, CA and are not among Ten Strands’s funders above.

  1. The Bank of America Charitable Foundation IncCharlotte, NC 8 grants Accepts applications $67,300 to similar organizations
  2. The Pfizer Foundation IncNew York, NY 2 grants Preselected only $300 to similar organizations
  3. Stupski FoundationSan Francisco, CA 3 grants Preselected only $600,000 to similar organizations
  4. Meyer Memorial TrustPortland, OR 4 grants Accepts applications $560,000 to similar organizations
  5. HASI FoundationWilmington, DE 3 grants Preselected only $450,000 to similar organizations
  6. Electric Planet FoundationNovato, CA 1 grant Preselected only $300,000 to similar organizations
  7. Heinz Family FoundationPittsburgh, PA 2 grants Preselected only $250,000 to similar organizations
  8. BAND FoundationWilmington, DE 1 grant Preselected only $150,000 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 27-4118171 by name and ZIP code, or by name, city and State against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.