Comet Foundation F/K/A the Steinert Family Foundation
Historical FunderBoston, Massachusetts · EIN 86-1967040 · Private foundation
Half of its grants to organizations were between $9,300 and $200,000.
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | LANGLEY STEINERT AND HILARY STEINER |
|---|---|
| Address | ONE JOY STREET, BOSTON MA 02108 |
| Phone | 6177205800 |
| Form and materials | APPLICATIONS SHOULD BE SUBMITTED IN WRITING AND INCLUDE ANY PERTINENT MATERIALS APPLICANTS WOULD LIKE TO HAVE CONSIDERED BY THE TRUSTEES. |
| Deadlines | NOT APPLICABLE |
| Restrictions | NOT APPLICABLE |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
37% of grants went outside Massachusetts.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| President and Fellows of Harvard College | Cambridge, MA | Education | $525,000 |
| Trustees of Princeton University | Princeton, NJ | Education | $525,000 |
| Trustees of Dartmouth College | Hanover, NH | Education | $275,000 |
| Steppingstone Foundation Inc | Boston, MA | Community services | $250,000 |
| Vanderbilt University | Nashville, TN | Education | $250,000 |
| Vanderbilt University | Nashville, TN | Education | $250,000 |
| Nantucket Performing Arts Center Inc | Nantucket, MA | Community services | $250,000 |
| Nantucket Cottage Hospital | Nantucket, MA | Health | $200,000 |
| Environmental Defense Fund | Boston, MA | Community services | $200,000 |
| Emerson Health Care Foundation Inc | Concord, MA | Health | $120,000 |
| Nantucket Golf Club Foundation (Nantucket Children's Charity Classic) | Siasconset, MA | Education | $51,000 |
| Harper's Home Inc | Durham, NC | Health | $50,000 |
| The Wily Network Inc | Newton, MA | Education | $30,000 |
| Nantucket Golf Club Foundation | Siasconset, MA | Education | $25,000 |
| Vanderbilt University | Nashville, TN | Education | $25,000 |
| Georgetown University Office of Advancement and University Relations | Washington, DC | Education | $25,000 |
| Harlem Larcrosse and Leadership Corporation | New York, NY | Community services | $25,000 |
| Concord Free Public Library | Concord, MA | Education | $20,000 |
| Pan-Mass Challenge | Needham, MA | Health | $18,190 |
| Washington and Lee University | Lexington, VA | Education | $15,000 |
| Nashoba Brooks School | Concord, MA | Education | $15,000 |
| The Wily Network Inc | Newton, MA | Education | $13,000 |
| Hudson Valley Clubhouse | Poughkeepsie, NY | Community services | $10,000 |
| Hudson Valley Clubhouse | Poughkeepsie, NY | Community services | $10,000 |
| Natucket Cottage Hospital | Nantucket, MA | Health | $9,300 |
| The Umbrella Arts Center | Concord, MA | Education | $5,182 |
| Mclean Hospital | Belmont, MA | Health | $5,000 |
| Emerson Health | Concord, MA | Health | $5,000 |
| Pan-Mass Challenge | Needham, MA | Health | $1,195 |
| Allworthy Inc (Peak With a Purpose IV) | Salem, MA | Education | $1,100 |
| Pan-Mass Challenge | Needham, MA | Health | $821 |
| Gofundme (American Cancer Society) | Atlanta, GA | Health | $600 |
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $3,205,388 | 32 |
| 2024 | $3,366,312 | 12 |
| 2023 | $562,500 | 2 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 11, 2026 - IRS e-file batch, object ID 202641319349102194
- IRS Tax Exempt Organization Search for EIN 86-1967040
- Profile updated Nov 5, 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.