Lawrence a & Joan E Siff Foundation F/K/A Lawrence a Siff Foundation
Invitation OnlyWorcester, Massachusetts · EIN 42-1612889 · Private foundation
Grants paid (2025)$12K
Organizations funded9
Typical grant$200
Total assets$183K
Half of its grants to organizations were between $156 and $1,500.
From the return
How to apply
On its return for tax year 2025 the foundation checked the box saying it only makes contributions to preselected charitable organizations and does not accept unsolicited requests for funds.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
33% of grants went outside Massachusetts.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Museum of Science | Boston, MA | General | $6,000 |
| Next for Autism | New York, NY | General | $3,000 |
| Two Ten International Footwear Foundation | Waltham, MA | General | $1,500 |
| Franciscan Hospital for Children | Brighton, MA | General | $1,000 |
| The Windsor School | Boston, MA | General | $200 |
| Transom Story | Woods Hole, MA | General | $200 |
| Frick Collection New York | New York, NY | General | $156 |
| Museum of Fine Arts | Boston, MA | General | $150 |
| The Morgan Library and Museum | New York, NY | General | $150 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $12,356 | 9 |
| 2024 | $6,550 | 6 |
| 2023 | $10,775 | 10 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 12, 2026 - IRS e-file batch, object ID 202631329349100413
- IRS Tax Exempt Organization Search for EIN 42-1612889
- Profile updated Nov 6, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.