Sophie's Neighborhood
Sophie's Neighborhood is a nonprofit dedicated to fundraising for research into the development of an effective treatment or cure for an ultra rare genetic disorder: multicentric carpotarsal osteolysis (MCTO)
Sophie's Neighborhood at a glance
In short: Sophie's Neighborhood gave $93K across 3 grants in 2025 (avg $31K), mostly in Massachusetts. Source: 2025 IRS Form 990.
- Annual giving (2025)
- $92,676
- -53.7% vs 2024
- Grants made (2025)
- 3
- +50.0% vs 2024
- Average grant
- $30,892
- -69.1% vs 2024
- Median grant
- $38,221
- Total assets
- $1,020,557
- +2.4% vs 2024
- Primary geography
- Massachusetts (86% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990, 2025 View filing
Data from IRS Form 990, 2025; updated September 2026.
How to apply to Sophie's Neighborhood
Open Grants
1 open opportunity from Sophie's Neighborhood
Who Sophie's Neighborhood funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Harvard University School of Dental Medicine ($41K). Together the top 3 received $93K.
Grant Size Distribution
10 grants across all recorded years
The most common grant size was under $50K: 9 grants of 10 (90%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
Cities
How Sophie's Neighborhood gives
- Giving grew 167% from 2022 to 2025. Method
From the foundation's IRS Form 990 filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2021 to 2025, annual grant giving ranged from $30K (2021) to $200K (2024). In 2025 it made 3 grants totaling $93K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Harvard University School of Dental Medicine Boston, MA | Medical Research | $41,455 |
| Boston Childrens Hospital Boston, MA | Medical Research | $38,221 |
| Rnaspire San Diego, CA | — | $13,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2025 | $1,020,557 | $133,087 | $109,440 | $92,676 | 3 | $-79,347 |
| 2024 | $996,910 | $228,297 | $267,334 | $200,013 | 2 | $44,304 |
| 2023 | $1,035,947 | $236,226 | $82,038 | $32,031 | 2 | $32,949 |
| 2022 | $881,759 | $325,648 | $81,255 | $34,664 | 2 | $19,549 |
| 2021 | $637,366 | $647,128 | $41,102 | $30,000 | 1 | $1,096 |
About Sophie's Neighborhood
Based on IRS filings
Sophie's Neighborhood is a public charity focused on Health, based in Boulder, CO. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.0M in total assets. In 2025, it awarded 3 grants totaling $93K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
Sophie's Neighborhood is led by Lauren Rosenberg, President-Ce since 2024 (on filings since 2021); none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Lauren Rosenberg
President-Ce
CEO → President-Ce, 2024
On filings since 2021
25 hrs/week
No compensation reported
Blake Sedberry
Board Member
Director → Board Member, 2022
On filings since 2021
2 hrs/week
No compensation reported
Hosea Rosenberg
Vice President
On filings since 2021
5 hrs/week
No compensation reported
Michael Weinstein
Board Member
Director → Board Member, 2022
On filings since 2021
2 hrs/week
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Sophie's Neighborhood
How much does Sophie's Neighborhood give each year?
Sophie's Neighborhood gave $93K across 3 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $200K across 2 grants.
What is Sophie's Neighborhood's typical grant size?
Sophie's Neighborhood's median grant in 2025 was $38,221, and its average grant was $30,892, across 3 grants on its 2025 IRS Form 990.
Where does Sophie's Neighborhood give grants?
Sophie's Neighborhood gives mostly in Massachusetts: 86% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The next largest state was California (14%). The most frequent recipient cities were Boston, MA (2 grants).
Does Sophie's Neighborhood give general operating support?
Not in 2025: none of the 2 grants with a stated purpose on Sophie's Neighborhood's 2025 IRS Form 990 were described as general or operating support.
How large is Sophie's Neighborhood?
Sophie's Neighborhood reported $1.0M in total assets on its 2025 IRS Form 990. Its revenue that year was $133K.
What is Sophie's Neighborhood?
Sophie's Neighborhood is a public charity focused on Health, based in Boulder, CO. It holds $1.0M in total assets as of 2025.
What is Sophie's Neighborhood's EIN?
Sophie's Neighborhood's EIN (Employer Identification Number) is 84-5178467. IRS Form 990 filing data is available on this page for 2021–2025.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(6)
When this profile's IRS filing data changed on Grantable
- Updated Form 990 for fiscal year 2021 (received by the IRS June 7, 2021)
- Updated Form 990 for fiscal year 2022 (received by the IRS July 19, 2022)
- Updated Form 990 for fiscal year 2023 (received by the IRS December 13, 2023)
- Updated Form 990 for fiscal year 2024 (received by the IRS January 22, 2025)
- Updated Form 990 for fiscal year 2025 (received by the IRS December 26, 2025)
- IRS filings on file for fiscal years 2021–2025
Explore Open Grants
Browse active grant opportunities in Sophie's Neighborhood's focus areas in our free grants database
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Figures come from Sophie's Neighborhood's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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