Funding search · EIN 680575207 · Boston, MA

The Simsmaes Foundation

A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.

158
grants reported
$6.1M
total given
2022–2025
filing years
$1,000
median grant

Based on grants this organization reported to the IRS for tax years 20222025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.

Full IRS filings ↗How this is builtReport an error

Funding pattern

What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.

Sign in to analyze this funder’s giving pattern. Free in early access.

Top recipients

Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.

  • Schwab Charitable Fund3 grants · $4.0M
  • Massachusetts Institute of Technology4 grants · $1.2M
  • Donor Advised Charitable Giving Inc (Formerly Schwab Charitable Fund)1 grant · $555,000
  • Trustees of Tufts College (Dba Tufts University)3 grants · $30,000
  • Harvard College1 grant · $25,000
  • 350 Org4 grants · $12,000
  • Dana Farber Cancer Institute4 grants · $12,000
  • Shady Hill School4 grants · $9,000
  • National Resources Defense Council4 grants · $8,000
  • The Nature Conservancy4 grants · $8,000

Giving over time

$1.6M
2022
$1.4M
2023
$1.4M
2024
$1.7M
2025

Grant history

The 100 largest of 158 grants.

  • $1.4M

    Schwab Charitable Fund · San Francisco, CA · 2022

    General purposes

  • $1.3M

    Schwab Charitable Fund · San Francisco, CA · 2024

    General purposes

  • $1.3M

    Schwab Charitable Fund · San Francisco, CA · 2023

    General purposes

  • $1.0M

    Massachusetts Institute of Technology · Cambridge, MA · 2025

    General purposes

  • $555,000

    Donor Advised Charitable Giving Inc (Formerly Schwab Charitable Fund) · San Francisco, CA · 2025

    General purposes

  • $51,000

    Massachusetts Institute of Technology · Cambridge, MA · 2024

    General purposes

  • $51,000

    Massachusetts Institute of Technology · Cambridge, MA · 2023

    General purposes

  • $50,000

    Massachusetts Institute of Technology · Cambridge, MA · 2022

    General purposes

  • $25,000

    Harvard College · Cambridge, MA · 2022

    General purposes

  • $10,000

    Trustees of Tufts College (Dba Tufts University) · Somerville, MA · 2025

    General purposes

  • $10,000

    Trustees of Tufts College (Dba Tufts University) · Somerville, MA · 2024

    General purposes

  • $10,000

    Trustees of Tufts College (Dba Tufts University) · Somerville, MA · 2023

    General purposes

  • $5,000

    Shady Hill School · Cambridge, MA · 2022

    General purposes

  • $3,000

    350 Org · Cambridge, MA · 2025

    General purposes

  • $3,000

    Dana Farber Cancer Institute · Boston, MA · 2025

    General purposes

  • $3,000

    350 Org · Cambridge, MA · 2024

    General purposes

  • $3,000

    Dana Farber Cancer Institute · Boston, MA · 2024

    General purposes

  • $3,000

    350 Org · Cambridge, MA · 2023

    General purposes

  • $3,000

    Dana Farber Cancer Institute · Boston, MA · 2023

    General purposes

  • $3,000

    350 Org · Cambridge, MA · 2022

    General purposes

  • $3,000

    Berklee College of Music · Boston, MA · 2022

    General purposes

  • $3,000

    Dana Farber Cancer Institute · Boston, MA · 2022

    General purposes

  • $2,000

    American Red Cross · Washington, DC · 2025

    General purposes

  • $2,000

    College of the Atlantic · Bar Harbor, ME · 2025

    General purposes

  • $2,000

    Institute of Contemporary Artboston · Boston, MA · 2025

    General purposes

  • $2,000

    La Colaborativa · Chelsea, MA · 2025

    General purposes

  • $2,000

    Maine Coast Heritage Trust · Topsham, ME · 2025

    General purposes

  • $2,000

    Medecins Sans Frontieres USA Inc (Dba Doctors Without Borders USA) · New York, NY · 2025

    General purposes

  • $2,000

    National Resources Defense Council · New York, NY · 2025

    General purposes

  • $2,000

    Pathfinder International · Watertown, MA · 2025

    General purposes

  • $2,000

    Planned Parenthood League of Massachusetts · Boston, MA · 2025

    General purposes

  • $2,000

    Rosies Place · Boston, MA · 2025

    General purposes

  • $2,000

    Sail Power and Steam Museum · Rockland, ME · 2025

    General purposes

  • $2,000

    Sierra Club Foundation · Oakland, CA · 2025

    General purposes

  • $2,000

    Station Maine · Rockland, ME · 2025

    General purposes

  • $2,000

    The Nature Conservancy · Boston, MA · 2025

    General purposes

  • $2,000

    Trustees of Boston University (Wbur) · Boston, MA · 2025

    General purposes

  • $2,000

    Trustees of Reservations · Beverly, MA · 2025

    General purposes

  • $2,000

    World Resources Institute · Washington, DC · 2025

    General purposes

  • $2,000

    American Red Cross · Washington, DC · 2024

    General purposes

  • $2,000

    Doctors Without Borders · New York, NY · 2024

    General purposes

  • $2,000

    La Colaborativa · Chelsea, MA · 2024

    General purposes

  • $2,000

    National Resources Defense Council · New York, NY · 2024

    General purposes

  • $2,000

    Pathfinder International · Watertown, MA · 2024

    General purposes

  • $2,000

    Planned Parenthood League of Massachusetts · Boston, MA · 2024

    General purposes

  • $2,000

    Rosies Place · Boston, MA · 2024

    General purposes

  • $2,000

    Sierra Club Foundation · Oakland, CA · 2024

    General purposes

  • $2,000

    The Nature Conservancy · Boston, MA · 2024

    General purposes

  • $2,000

    Trustees of Reservations · Beverly, MA · 2024

    General purposes

  • $2,000

    Union of Concerned Scientists · Cambridge, MA · 2024

    General purposes

  • $2,000

    World Resources Institute · Washington, DC · 2024

    General purposes

  • $2,000

    American Red Cross · Washington, DC · 2023

    General purposes

  • $2,000

    Doctors Without Borders · New York, NY · 2023

    General purposes

  • $2,000

    La Colaborativa · Chelsea, MA · 2023

    General purposes

  • $2,000

    Mozilla Foundation · San Francisco, CA · 2023

    General purposes

  • $2,000

    National Resources Defense Council · New York, NY · 2023

    General purposes

  • $2,000

    Pathfinder International · Watertown, MA · 2023

    General purposes

  • $2,000

    Planned Parenthood League of Massachusetts · Boston, MA · 2023

    General purposes

  • $2,000

    Rosies Place · Boston, MA · 2023

    General purposes

  • $2,000

    Shady Hill School · Cambridge, MA · 2023

    General purposes

  • $2,000

    Sierra Club Foundation · Oakland, CA · 2023

    General purposes

  • $2,000

    The Nature Conservancy · Boston, MA · 2023

    General purposes

  • $2,000

    Trustees of Reservations · Beverly, MA · 2023

    General purposes

  • $2,000

    Union of Concerned Scientists · Cambridge, MA · 2023

    General purposes

  • $2,000

    World Resources Institute · Washington, DC · 2023

    General purposes

  • $2,000

    American Red Cross · Washington, DC · 2022

    General purposes

  • $2,000

    Doctors Without Borders · New York, NY · 2022

    General purposes

  • $2,000

    National Resources Defense Council · New York, NY · 2022

    General purposes

  • $2,000

    Partners in Health · Boston, MA · 2022

    General purposes

  • $2,000

    Pathfinder International · Watertown, MA · 2022

    General purposes

  • $2,000

    Pine Street Inn · Boston, MA · 2022

    General purposes

  • $2,000

    Planned Parenthood League of Massachusetts · Boston, MA · 2022

    General purposes

  • $2,000

    Rosies Place · Boston, MA · 2022

    General purposes

  • $2,000

    Sierra Club Foundation · Oakland, CA · 2022

    General purposes

  • $2,000

    The Nature Conservancy · Boston, MA · 2022

    General purposes

  • $2,000

    Trustees of Reservations · Beverly, MA · 2022

    General purposes

  • $2,000

    Union of Concerned Scientists · Cambridge, MA · 2022

    General purposes

  • $2,000

    World Wildlife Fund · Washington, DC · 2022

    General purposes

  • $1,000

    American Civil Liberties Union Foundation · New York, NY · 2025

    General purposes

  • $1,000

    Animal Rescue League · Boston, MA · 2025

    General purposes

  • $1,000

    Berklee College of Music · Boston, MA · 2025

    General purposes

  • $1,000

    Community Art Center · Cambridge, MA · 2025

    General purposes

  • $1,000

    Food for Free Committee · Cambridge, MA · 2025

    General purposes

  • $1,000

    Health Story Collaborative · Cambridge, MA · 2025

    General purposes

  • $1,000

    Maine Island Trail Association · Portland, ME · 2025

    General purposes

  • $1,000

    Massachusetts Audubon Society · Lincoln, MA · 2025

    General purposes

  • $1,000

    Partners in Health · Boston, MA · 2025

    General purposes

  • $1,000

    Pine Street Inn · Boston, MA · 2025

    General purposes

  • $1,000

    Shady Hill School · Cambridge, MA · 2025

    General purposes

  • $1,000

    Somervillecambridge Elder Services · Somerville, MA · 2025

    General purposes

  • $1,000

    Union of Concerned Scientists · Cambridge, MA · 2025

    General purposes

  • $1,000

    Animal Rescue League · Boston, MA · 2024

    General purposes

  • $1,000

    Berklee College of Music · Boston, MA · 2024

    General purposes

  • $1,000

    College of the Atlantic · Bar Harbor, ME · 2024

    General purposes

  • $1,000

    Cornell University (Cornell Lab of Ornithology) · Ithaca, NY · 2024

    General purposes

  • $1,000

    Food for Free Committee · Cambridge, MA · 2024

    General purposes

  • $1,000

    Gaining Ground · Concord, MA · 2024

    General purposes

  • $1,000

    Health Story Collaborative · Cambridge, MA · 2024

    General purposes

  • $1,000

    Institute of Contemporary Artboston · Boston, MA · 2024

    General purposes

  • $1,000

    Maine Coast Heritage Trust · Topsham, ME · 2024

    General purposes

View all 158 grants →

Who else funds this kind of work

Same state

Similar grant size

Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.

Search funders like this one

Source: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.