Data / Foundation grants / Lawrence A & Joan E Siff Foundation F/k/a Lawrence A Siff Foundation
Lawrence A & Joan E Siff Foundation F/k/a Lawrence A Siff Foundation: 9 grants to organizations, $12,356 (tax year ended December 2025)
Lawrence A & Joan E Siff Foundation F/k/a Lawrence A Siff Foundation, a private foundation in Worcester, MA, paid 9 grants to organizations totaling $12,356 in its tax year ended December 2025, according to its Form 990-PF filed with the IRS on May 12, 2026. The largest was $6,000 to Museum of Science in Boston, MA for general.
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- EIN
- 421612889
- Based in
- Worcester, MA
- Assets
- $182,679
- Grants paid
- $12,356
- Tax year ended
- December 2025
Grants paid, tax year ended December 2025
From the Form 990-PF filed May 12, 2026, IRS object ID 202631329349100413. It reported $12,356 in grants paid; 9 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Museum of Science | Boston, MA | General | Arts, culture and humanities | $6,000 | apps.irs.gov |
| Next for Autism | New York, NY | General | Diseases, disorders and medical disciplines | $3,000 | apps.irs.gov |
| Two Ten International Footwear Foundation | Waltham, MA | General | $1,500 | apps.irs.gov | |
| Franciscan Hospital for Children | Brighton, MA | General | $1,000 | apps.irs.gov | |
| The Windsor School | Boston, MA | General | $200 | apps.irs.gov | |
| Transom Story | Woods Hole, MA | General | $200 | apps.irs.gov | |
| Frick Collection New York | New York, NY | General | $156 | apps.irs.gov | |
| Museum of Fine Arts | Boston, MA | General | Arts, culture and humanities | $150 | apps.irs.gov |
| The Morgan Library and Museum | New York, NY | General | $150 | apps.irs.gov |
Grants paid, tax year ended December 2024
From the Form 990-PF filed April 28, 2025, IRS object ID 202511189349101606. It reported $6,550 in grants paid; 6 grants to organizations are listed.
| Recipient | Location | Purpose | Cause | Amount | Source |
|---|---|---|---|---|---|
| Museum of Science | Boston, MA | General | Arts, culture and humanities | $3,000 | apps.irs.gov |
| Two Ten International Footwear Foundation | Waltham, MA | General | $1,500 | apps.irs.gov | |
| Franciscan Hospital for Children | Brighton, MA | General | $1,000 | apps.irs.gov | |
| The Windsor School | Boston, MA | General | $700 | apps.irs.gov | |
| Tufts University | Medford, MA | General | $200 | apps.irs.gov | |
| Museum of Fine Arts | Boston, MA | General | Arts, culture and humanities | $150 | apps.irs.gov |
Causes funded
From grants whose recipient has a cause.
| Cause | Granted |
|---|---|
| Arts, culture and humanities | $9,300 |
| Diseases, disorders and medical disciplines | $3,000 |
States funded
| Recipient state | Granted |
|---|---|
| Massachusetts | $15,600 |
| New York | $3,306 |
Also on SpecStream
- Who funds arts, culture and humanities in Massachusetts
- Who funds diseases, disorders and medical disciplines in New York
Updated May 12, 2026. Read from IRS Form 990-PF e-file data. Public domain (U.S. government work). Grants are as each foundation reported them to the IRS on its Form 990-PF. Grants to individuals are left out. A grant has a cause only where the recipient's name and city match one organization in the IRS Business Master File, and the cause is that organization's NTEE major group. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.