Open Space Institute INC has received $9.1 million across 95 grants from 36 funders over IRS Form 990 filings (2019–2025). Its largest funder is National Philanthropic Trust.
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National Philanthropic Trust has given $4.9M across 6 grants to Open Space Institute INC.
Fidelity Investments Charitable Gift Fund has given $1.0M across 7 grants to Open Space Institute INC.
Donor Advised Charitable Giving INC has given $618K across 6 grants to Open Space Institute INC.
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