990 Scout/ Sumofus/ Who funds it

Who funds Sumofus?

Sumofus has received $5.3 million across 13 grants from 8 funders over IRS Form 990 filings (2020–2024). Its largest funder is Tides Foundation.

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Funding sources

What is Sumofus's largest source of grant funding?

Tides Foundation has given $4.3M across 5 grants to Sumofus.

Who is Sumofus's second-largest funder?

Rockefeller Philanthropy Advisors INC has given $500K across 2 grants to Sumofus.

Who else funds Sumofus?

The Partnership Project INC has given $215K across 1 grant to Sumofus.

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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.