Funding search · EIN 421612889 · Worcester, MA

Lawrence a & Joan E Siff Foundation

Name: Lawrence a & Joan E Siff Foundation grants, 2022–2025
Creator: PaperOrbit
License: https://www.irs.gov/charities-non-profits/exempt-organization-public-disclosure-and-availability-requirements

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

46
grants reported: $59,276
total given: 2022–2025
filing years: $250
median grant

Based on grants this organization reported to the IRS for tax years 2022–2025. 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 built Report 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.

Top recipients

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

Brown University1 grant · $15,000
Museum of Science4 grants · $15,000
Temple Beth Avodah2 grants · $7,800
Two Ten International Footwear Foundation4 grants · $6,000
Franciscan Hospital for Children3 grants · $5,000
Next for Autism2 grants · $4,200
The Windsor School2 grants · $900
Boston Athenaeum2 grants · $750
The Academy of American Poets2 grants · $500
Tufts University2 grants · $450

Giving over time

$29,595

2022

$10,775

2023

$6,550

2024

$12,356

2025

Grant history

All 46 reported grants, largest first.

$15,000
Brown University · Providence, RI · 2022
General
$6,000
Museum of Science · Boston, MA · 2025
General
$4,000
Temple Beth Avodah · Newton, MA · 2023
General
$3,800
Temple Beth Avodah · Newton, MA · 2022
General
$3,000
Next for Autism · New York, NY · 2025
General
$3,000
Museum of Science · Boston, MA · 2024
General
$3,000
Museum of Science · Boston, MA · 2023
General
$3,000
Franciscan Hospital for Children · Brighton, MA · 2022
General
$3,000
Museum of Science · Boston, MA · 2022
General
$1,500
Two Ten International Footwear Foundation · Waltham, MA · 2025
General
$1,500
Two Ten International Footwear Foundation · Waltham, MA · 2024
General
$1,500
Two Ten International Footwear Foundation · Waltham, MA · 2023
General
$1,500
Two Ten International Footwear Foundation · Waltham, MA · 2022
General
$1,200
Next for Autism · New York, NY · 2023
General
$1,000
Franciscan Hospital for Children · Brighton, MA · 2025
General
$1,000
Franciscan Hospital for Children · Brighton, MA · 2024
General
$700
The Windsor School · Boston, MA · 2024
General
$550
Boston Athenaeum · Boston, MA · 2022
General
$250
The Academy of American Poets · New York, NY · 2023
General
$250
Alzheimer'S Association of Ma · Watertown, MA · 2022
General
$250
Biobuilder Educational Foundation · Newton, MA · 2022
General
$250
Boston University Law School · Boston, MA · 2022
General
$250
Pmc Jimmy Fund · Needham, MA · 2022
General
$250
The Academy of American Poets · New York, NY · 2022
General
$250
Tufts University · Medford, MA · 2022
General
$250
World Against Toys Causing Harm · Boston, MA · 2022
General
$200
The Windsor School · Boston, MA · 2025
General
$200
Transom Story · Woods Hole, MA · 2025
General
$200
Tufts University · Medford, MA · 2024
General
$200
Boston Athenaeum · Boston, MA · 2023
General
$200
Graywolf Press · Minneapolis, MN · 2023
General
$200
Grow Associates · Randolf, MA · 2023
General
$180
Dana Farber Cancer Institute · Boston, MA · 2022
General
$180
Temple Isaiah · Lexington, MA · 2022
General
$156
Frick Collection New York · New York, NY · 2025
General
$150
Museum of Fine Arts · Boston, MA · 2025
General
$150
The Morgan Library and Museum · New York, NY · 2025
General
$150
Museum of Fine Arts · Boston, MA · 2024
General
$150
Museum of Fine Arts · Boston, MA · 2023
General
$150
Philip and Bernice Frieze Fund · Boston, MA · 2022
General
$100
Institute of Contemporary Art · Boston, MA · 2022
General
$100
Linden Ponds Resident Aid Fund · Hingham, MA · 2022
General
$100
Make a Wish Foundation Massachusetts · Boston, MA · 2022
General
$100
Spaulding Rehabilitation · Boston, MA · 2022
General
$85
The Thoreau Society · Concord, MA · 2022
General
$75
The Trustees of Reservations · Boston, MA · 2023
General

Who else funds this kind of work

Same state

Combined Jewish Philanthropies of Greater Boston4,151 grants · $943.7M
Bny Mellon Charitable Gift Fund3,620 grants · $914.9M
Mass General Brigham Incorporated &472 grants · $3.11B

Similar grant size

Verizon Foundation24,414 grants · $20.4M
The Pfizer Foundation31,779 grants · $119.9M
The Bank of America Charitable87,335 grants · $496.1M

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.