Thomas Wilson Sanitarium
Thomas Wilson Sanitarium, based in Lutherville, Maryland, is a private foundation that supports programs to improve the health and welfare of children in Baltimore City. Its 2025 filing describes grants as directly for the care and development of those children.
Thomas Wilson Sanitarium at a glance
In short: Thomas Wilson Sanitarium gave $1.1M across 74 grants in 2025 (avg $15K), mostly in Maryland. 16% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,132,988
- +12.4% vs 2024
- Grants made (2025)
- 74
- +15.6% vs 2024
- Average grant
- $15,311
- -2.8% vs 2024
- Median grant
- $10,000
- Total assets
- $11,917,527
- +2.0% vs 2024
- New grantees (estimate)
- 16% first-time grantees (12 of 74, 2025)
- Primary geography
- Maryland (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to Thomas Wilson Sanitarium
- How to Apply
-
The website describes an online application process with separate forms for medical research, medical services, and social and community services. Listed materials include a project description and, depending on grant type, a principal investigator’s CV and signature, an institutional federal tax ID, a proposed budget, or a prior grant report for an existing project. The 2025 filing instead lists a letter stating the entity to be benefited and services to be rendered, with Robert D. Hopkins as the contact. The foundation says applications must benefit children of Baltimore City, Maryland. Its website says applications are due March 1 each year, decisions are made in May, and awards are generally for one year, with two-year exceptions in special cases.
- Review Cycle
- The March 1, 2026 deadline has passed. The website describes March 1 as the annual deadline.
- Deadline
- The March 1, 2026 deadline has passed.
- Contact
Application contact: Robert D Hopkins
Mailing address: P O Box 3418, Baltimore, MD 21225
Phone: (410) 360-9510
Website: https://thomaswilsonfoundation.org
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Open Grants
1 open opportunity from Thomas Wilson Sanitarium
Who Thomas Wilson Sanitarium funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Johns Hopkins University ($238K). Together the top 10 received $526K.
Grant Size Distribution
355 grants across all recorded years
The most common grant size was under $50K: 347 grants of 355 (98%).
Geographic Focus
Where this funder awards grants
The foundation states that its grants must benefit children of Baltimore City, Maryland. Its 2025 filing data reports that 100% of grant dollars went to recipients in Maryland.
Grant Distribution by State
Share of 2025 grant dollars across all 74 itemized grants.
Cities
Is Thomas Wilson Sanitarium open to new grantees?
16%
first-time grantees, 2025
In 2025, 12 of 74 grantees (16%) were first-time recipients. First grants averaged $9K; repeat grants $17K. How we count
Medians: $5K first-time, $10K repeat.
- 81% of 2025 grantees were also funded in 2024. Method
- Giving grew 26% from 2022 to 2025. Method
- In 2025 it paid out 111% of its IRS minimum distribution (the 5% rule). Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $785K (2021) to $1.1M (2025). In 2025 it made 74 grants totaling $1.1M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Johns Hopkins University Baltimore, MD | For the care and development of the children of baltimore city. | $237,874 |
| Bridges Baltimore Bryn Mawr Baltimore, MD | For the care and development of the children of baltimore city. | $50,000 |
| Children's Scholarship Fund Baltimore Baltimore, MD | For the care and development of the children of baltimore city. | $45,000 |
| Living Classrooms Foundation Baltimore, MD | For the care and development of the children of baltimore city. | $45,000 |
| Johns Hopkins Children's Center Baltimore, MD | For the care and development of the children of baltimore city. | $28,000 |
| The Ingenuity Project Baltimore, MD | For the care and development of the children of baltimore city. | $25,000 |
| Baltimore Symphony Orchestra Baltimore, MD | For the care and development of the children of baltimore city. | $25,000 |
| Samuel Ready Scholarships Inc Riderwood, MD | For the care and development of the children of baltimore city. | $25,000 |
| Baltimore Educational Scholarship Trust Baltimore, MD | For the care and development of the children of baltimore city. | $25,000 |
| Peabody Institute Baltimore, MD | For the care and development of the children of baltimore city. | $20,000 |
Ready to take the next step with Thomas Wilson Sanitarium?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | $11,917,527 | $1,521,302 | $1,299,546 | $1,132,988 | 74 | $1,132,988 | $1,418,105 | $1,020,242 |
| 2024 | $11,685,344 | $1,957,581 | $1,171,690 | $1,008,434 | 64 | $1,008,434 | $1,859,484 | $971,178 |
| 2023 | $10,857,358 | $1,074,623 | $1,022,367 | $893,960 | 76 | $893,960 | $990,591 | $844,344 |
| 2022 | $10,838,840 | $725,536 | $1,026,697 | $899,250 | 70 | $899,250 | $637,876 | $892,278 |
| 2021 | $11,145,966 | $1,490,845 | $958,546 | $785,000 | 71 | $785,000 | $1,401,516 | $960,441 |
| 2020 | $10,603,855 | $886,162 | $908,349 | $798,499 | 80 | — | $781,133 | $813,557 |
Under IRS private-foundation payout rules, Thomas Wilson Sanitarium reported a distributable amount of $1.0M for 2025 — the minimum it must pay out in qualifying distributions.
Research compiled by Grantable AI from public sources. Last updated October 2026.
Mission & Focus Areas
The foundation’s stated mission is to support programs related to improving the health and welfare of children in Baltimore City. Its website identifies medical research, medical services, and social and community services as grant areas. Social and community support includes education programs, summer programs, and camps. The foundation says it funds programs for Baltimore City children and youth aged 18 or younger.
The grantees’ own descriptions illustrate the range of organizations receiving support. Children’s Scholarship Fund Baltimore says it awards kindergarten-through-eighth-grade scholarships to low-income Baltimore City families. Living Classrooms Foundation describes its work as hands-on education and job training, with a special emphasis on at-risk youth. The Ingenuity Project says it prepares students from Baltimore City Public Schools for STEM careers, while Health Care for the Homeless describes its work as racially equitable health care, housing, and advocacy in partnership with people who have experienced homelessness.
Grantmaking
In 2025, itemized filing data reports 74 grants totaling $1,132,988. Grants ranged from $1,000 to $237,874, with a median of $10,000. The filing’s narrative separately says the foundation funded 75 applications totaling the same amount.
The largest reported 2025 grant was $237,874 to Johns Hopkins University. Other notable awards included $50,000 to Bridges Baltimore Bryn Mawr; $45,000 each to Children’s Scholarship Fund Baltimore and Living Classrooms Foundation; and $28,000 to Johns Hopkins Children’s Center. The stated purpose for these grants was the care and development of the children of Baltimore City.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Robert D. Hopkins as president; Dr. Kenneth Schuberth as vice president; Brian Graney as treasurer; and Dr. Lauren Bogue, Susan Dunn, Michael J. McCarthy, Christopher R. West, Dr. Travis Francis Ganunis, and Dr. Maria Oliva-Hemker as trustees.
Thomas Wilson Sanitarium is led by Robert D. Hopkins, President on every filing since 2020; none of the 9 officers listed in 2025 report compensation.
Officers on the 2025 filing
Robert D. Hopkins
President
On filings since 2020
2 hrs/week
No compensation reported
Christopher R. West
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Lauren Bogue
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Michael J. McCarthy
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Susan Dunn
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Travis Francis Ganunis
Trustee
On filings since 2020
2 hrs/week
No compensation reported
Maria Oliva-Hemker
Trustee
On filings since 2022
2 hrs/week
No compensation reported
Kenneth Schuberth
Vice President
Trustee → Vice President, 2021
On filings since 2020
2 hrs/week
No compensation reported
Brian Graney
Treasurer
On filings since 2024
2 hrs/week
No compensation reported
Former officers (2)
- Former: Perry Bolton (2020–2024) — Former Treasurer
- Former: Alan Lake (2020–2021) — Secretary
Data from IRS Form 990 filings, 2020–2025. "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 Thomas Wilson Sanitarium
How much does Thomas Wilson Sanitarium give each year?
Thomas Wilson Sanitarium gave $1.1M across 74 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $1.0M across 64 grants.
What is Thomas Wilson Sanitarium's typical grant size?
Thomas Wilson Sanitarium's median grant in 2025 was $10,000, and its average grant was $15,311, across 74 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Thomas Wilson Sanitarium that year got $9K on average.
Where does Thomas Wilson Sanitarium give grants?
Thomas Wilson Sanitarium gives mostly in Maryland: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Baltimore, MD (56 grants), Towson, MD (3 grants), Owings Mills, MD (2 grants) and Parkton, MD (2 grants).
Does Thomas Wilson Sanitarium give general operating support?
Not in 2025: none of the 74 grants with a stated purpose on Thomas Wilson Sanitarium's 2025 IRS Form 990-PF were described as general or operating support.
Who are Thomas Wilson Sanitarium's largest grantees?
Thomas Wilson Sanitarium's largest 2025 grantees include Johns Hopkins University ($237,874), Bridges Baltimore Bryn Mawr ($50,000) and Children's Scholarship Fund Baltimore ($45,000), according to its 2025 IRS Form 990-PF. Together they received 29% of its itemized 2025 grant dollars.
How large is Thomas Wilson Sanitarium?
Thomas Wilson Sanitarium reported $11.9M in total assets on its 2025 IRS Form 990-PF. It paid out $1.1M in qualifying distributions that year, against a required minimum of $1.0M (roughly 5% of its investment assets).
What does Thomas Wilson Sanitarium fund?
The foundation’s stated mission is to support programs related to improving the health and welfare of children in Baltimore City. Its website identifies medical research, medical services, and social and community services as grant areas. See mission & focus areas ↑
How do I apply for a grant from Thomas Wilson Sanitarium?
The website describes an online application process with separate forms for medical research, medical services, and social and community services. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is Thomas Wilson Sanitarium's EIN?
Thomas Wilson Sanitarium's EIN (Employer Identification Number) is 52-6044885. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS June 29, 2026)
- IRS filings on file for fiscal years 2020–2024
Explore Open Grants
Browse active grant opportunities in Thomas Wilson Sanitarium's focus areas in our free grants database
Similar Funders
Funders that support many of the same organizations
Baltimore Community Foundation Inc
Baltimore, MD
Baltimore Community Foundation supports schools, neighborhoods, and community projects, including work on kindergarten readiness, student well-being, neighborhood vitality, and arts and culture. Its 2024 grants had a median of about $19,800, with amounts varying widely, and its strategic school and neighborhood grants focus on Baltimore City and Baltimore County. It invites applications through its online portal for specified grant programs.
Assets
$314.3M
Grants
604
Total Given
$29.3M
The Abell Foundation Inc
Baltimore, MD
The Abell Foundation funds nonprofits, government agencies, and fiscally sponsored projects addressing health, education, community development, workforce, justice and addiction, the environment, and arts, as well as Baltimore-focused research and catalytic business investments. Its giving is focused on Baltimore City, with a typical grant of about $20,000 (2024 median; awards ranged from $188 to $300,000). It accepts applications: requests of $10,000 or less are reviewed on a rolling basis, while larger requests go through five annual board meetings.
Assets
$296.4M
Grants
391
Total Given
$13.4M
The Harry and Jeanette Weinberg
Owings Mills, MD
The Harry and Jeanette Weinberg Foundation funds direct services, programs, general operations, and capital projects in housing, health, jobs, education, and aging for low-income and vulnerable people. Its 2024 grants had a median of $50,000; its Small Grants Program offers up to $50,000 over two years, with funding focused on Baltimore, Hawaiʻi, Israel, and Northeastern Pennsylvania. It awards grants by invitation only and does not accept unsolicited requests.
Assets
$1.8B
Grants
872
Total Given
$127.8M
The United Way of Central Maryland Inc
Baltimore, MD
United Way of Central Maryland funds community organizations and projects addressing basic needs, family stability, education, housing, health, and economic advancement in Baltimore City and Anne Arundel, Baltimore, Carroll, Harford, and Howard counties. Its 2025 grants ranged from $5,067 to $461,984, with a median of $15,078; specific opportunities use competitive applications, but the profile does not state whether general unsolicited requests are accepted.
Assets
$51.1M
Grants
216
Total Given
$10.6M
T Rowe Price Foundation
Baltimore, MD
The T. Rowe Price Foundation supports financial well-being and thriving communities, including financial education, youth development, arts and culture, and community leaders and institutions. Its 2024 grants had a median of $15,000, with awards ranging from $1,000 to $5.5 million; it focuses on Baltimore, Colorado Springs, San Francisco, and New York, with grants also reported in Delaware. It reviews unsolicited requests through an inquiry process, but most grants are by invitation and there is no open application process.
Assets
$93.3M
Grants
249
Total Given
$11.7M
The Marion I & Henry J Knott
Baltimore, MD
The Marion I. & Henry J. Knott Foundation funds Catholic activities, education, arts and humanities, health care, and human services, with emphasis on youth empowerment, Catholic schools, and workforce development. General Fund awards have a median of $45,000 (the median across all 2024 grants was $5,000) and support programs serving the Archdiocese of Baltimore; eligible nonprofits may submit a letter of inquiry during the published application periods.
Assets
$85.3M
Grants
100
Total Given
$2.2M
More similar funders
More Funders in Maryland
Cite this profile
Grantable. (2026). Thomas Wilson Sanitarium funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/thomas-wilson-sanitarium-morg_8e5f8048c20f4f51971e8476fecb22d0
BibTeX
@misc{grantable_526044885_2026,
author = {{Grantable}},
title = {{Thomas Wilson Sanitarium funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/thomas-wilson-sanitarium-morg_8e5f8048c20f4f51971e8476fecb22d0},
note = {Accessed 2026-10-16. Data licensed CC BY 4.0}
} The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Thomas Wilson Sanitarium'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.
Thomas Wilson Sanitarium down — hundreds of funders to go?