990 Scout/ Callisto/ Who funds it

Who funds Callisto?

Callisto has received $2.9 million across 41 grants from 22 funders over IRS Form 990 filings (2020–2024). Its largest funder is Fidelity Investments Charitable Gift Fund.

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Funding sources

What is Callisto's largest source of grant funding?

Fidelity Investments Charitable Gift Fund has given $1.4M across 4 grants to Callisto.

Who is Callisto's second-largest funder?

Laura and John Arnold Foundation has given $300K across 2 grants to Callisto.

Who else funds Callisto?

Novo Foundation has given $300K across 2 grants to Callisto.

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All figures are sourced from grants itemized on nonprofit 990 filings, representing reported charitable giving. These are public records filed with the IRS.