The Oxalosis & Hyperoxaluria Foundation
Our vision: a world without hyperoxaluria - dedicated to improving the daily lives of people with hyperoxaluria. We have a single, urgent goal: eradicating all forms of hyperoxaluria disease forever.
The Oxalosis & Hyperoxaluria Foundation at a glance
In short: The Oxalosis & Hyperoxaluria Foundation gave $400K across 2 grants in 2024 (avg $200K), mostly in Massachusetts. Source: 2024 IRS Form 990.
- Annual giving (2024)
- $400,000
- +319.0% vs 2023
- Grants made (2024)
- 2
- +100.0% vs 2023
- Average grant
- $200,000
- +109.5% vs 2023
- Median grant
- $200,000
- Total assets
- $6,858,963
- +7.0% vs 2023
- Primary geography
- Massachusetts (50% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
How to apply to The Oxalosis & Hyperoxaluria Foundation
Open Grants
6 open opportunities from The Oxalosis & Hyperoxaluria Foundation
OHF Global Registry Initiative
The Oxalosis & Hyperoxaluria Foundation
Amount
Varies
Deadline
Rolling (quarterly review)
OHF: Global Registry Initiative Grant Program
The Oxalosis & Hyperoxaluria Foundation
Amount
Varies
Deadline
Deadline not published
OHF: Research Grant
The Oxalosis & Hyperoxaluria Foundation
Amount
Up to US $200,000
Deadline
Deadline not published
Who The Oxalosis & Hyperoxaluria Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
The largest 2024 recipient was Massachusetts Institute of Technology ($200K). Together the top 2 received $400K.
Grant Size Distribution
9 grants across all recorded years
The most common grant size was in the $50–100K range: 3 grants of 9 (33%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
Cities
How The Oxalosis & Hyperoxaluria Foundation gives
- Giving held roughly steady from 2021 to 2024 (+18%). 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 2020 to 2024, annual grant giving ranged from $47K (2022) to $438K (2020). In 2024 it made 2 grants totaling $400K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Massachusetts Institute of Technology Cambridge, MA | Research grants | $200,000 |
| University of Alabama at Birmingham Birmingham, AL | Research grants | $200,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $6,858,963 | $1,552,797 | $1,296,330 | $400,000 | 2 | $503,552 |
| 2023 | $6,411,517 | $1,285,664 | $706,363 | $95,475 | 1 | $102,552 |
| 2022 | $5,524,708 | $936,432 | $640,998 | $47,018 | 1 | $56,297 |
| 2021 | $5,688,162 | $1,693,241 | $843,219 | $339,019 | 3 | $305,503 |
| 2020 | $5,246,686 | $1,909,479 | $979,022 | $437,500 | 2 | $232,446 |
About The Oxalosis & Hyperoxaluria Foundation
Based on IRS filings
The Oxalosis & Hyperoxaluria Foundation is a public charity focused on Diseases, Disorders & Medical Disciplines, based in New Paltz, NY. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $6.9M in total assets. In 2024, it awarded 2 grants totaling $400K. Net investment income was $504K.
Focus Areas
Leadership & Key People
Officers and directors from IRS filings
The Oxalosis & Hyperoxaluria Foundation is led by Kim Hollander, Executive Director on every filing since 2020; 1 of 7 officers listed in 2024 is compensated.
Officers on the 2024 filing
Kim Hollander
Executive Director
On filings since 2020
40 hrs/week
$195K (2020) → $231K (2024)
William C. Tidmore Jr.
President
Director → Director & President, 2023
Director & President → President, 2024
On filings since 2020
5 hrs/week
No compensation reported
Brett Rosen
Chair & Treasurer
Chair & Treasurer → Treasurer, 2023
Treasurer → Chair & Treasurer, 2024
On filings since 2020
5 hrs/week
No compensation reported
Brendan McGovern
Director
President → President & Director, 2023
President & Director → Director, 2024
On filings since 2020
5 hrs/week
No compensation reported
Art McGill
Director
On filings since 2022
5 hrs/week
No compensation reported
Debbie Wattenberg
Director
On filings since 2023
5 hrs/week
No compensation reported
Tim Berra
Vice President
On filings since 2020
5 hrs/week
No compensation reported
Former officers (3)
- Former: Debra Wattenberg (2020–2022) — Director
- Former: Don Ashkenase (2020–2021) — Treasurer
- Former: Lisa Berra (2020–2021) — Secretary
Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $231K, to Kim Hollander (Executive Director).
Frequently asked questions about The Oxalosis & Hyperoxaluria Foundation
How much does The Oxalosis & Hyperoxaluria Foundation give each year?
The Oxalosis & Hyperoxaluria Foundation gave $400K across 2 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $95K across 1 grant.
How large is The Oxalosis & Hyperoxaluria Foundation?
The Oxalosis & Hyperoxaluria Foundation reported $6.9M in total assets on its 2024 IRS Form 990. Its revenue that year was $1.6M.
What is The Oxalosis & Hyperoxaluria Foundation?
The Oxalosis & Hyperoxaluria Foundation is a public charity focused on Diseases, Disorders & Medical Disciplines, based in New Paltz, NY. It holds $6.9M in total assets as of 2024.
Where does The Oxalosis & Hyperoxaluria Foundation operate?
The Oxalosis & Hyperoxaluria Foundation has awarded grants in Alabama, Florida, Massachusetts, Minnesota, North Carolina.
What is The Oxalosis & Hyperoxaluria Foundation's EIN?
The Oxalosis & Hyperoxaluria Foundation's EIN (Employer Identification Number) is 91-1457505. IRS Form 990 filing data is available on this page for 2020–2024.
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 2020 (received by the IRS November 15, 2021)
- Updated Form 990 for fiscal year 2021 (received by the IRS October 27, 2022)
- Updated Form 990 for fiscal year 2022 (received by the IRS November 15, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS October 9, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS November 3, 2025)
- IRS filings on file for fiscal years 2020–2024
Live grants for the work The Oxalosis & Hyperoxaluria Foundation funds
Diseases, Disorders & Medical Disciplines Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in The Oxalosis & Hyperoxaluria Foundation's focus areas in our free grants database
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