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.
Key facts about The Oxalosis & Hyperoxaluria Foundation
In short: The Oxalosis & Hyperoxaluria Foundation gave $400K across 2 grants in 2024 (avg $200K), mostly in Massachusetts. Source: 2024 IRS Form 990.
- EIN
- 91-1457505
- Latest 990 filing
- Form 990, 2024
- Annual giving (2024)
- $400,000
- Grants made (2024)
- 2
- Average grant
- $200,000
- Median grant
- $200,000
- Total assets
- $6,858,963
- Primary geography
- Massachusetts (50% of itemized 2024 grant dollars)
Data from IRS Form 990, 2024; updated September 2026.
Financial Overview
From 2024 IRS Form 990 · View filing
Total Assets
$6.9M
+7.0% YoY
Annual Giving
$400K
+319.0% YoY
Grant Count
2
+100.0% YoY
Avg Grant Size
$200K
+109.5% YoY
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.
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
Open Grants
6 open opportunities from The Oxalosis & Hyperoxaluria Foundation
OHF Global Registry Initiative
The Oxalosis & Hyperoxaluria Foundation
Amount
Varies
Deadline
Rolling / Open
OHF: Global Registry Initiative Grant Program
The Oxalosis & Hyperoxaluria Foundation
Amount
Varies
Deadline
Rolling / Open
OHF: Research Grant
The Oxalosis & Hyperoxaluria Foundation
Amount
Up to US $200,000
Deadline
Rolling / Open
Ready to take the next step with The Oxalosis & Hyperoxaluria Foundation?
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
Cities
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.
Grant Insights
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%).
Giving History
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 |
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $6,858,963 | $6,411,517 | $5,524,708 |
| Revenue | $1,552,797 | $1,285,664 | $936,432 |
| Expenses | $1,296,330 | $706,363 | $640,998 |
| Net Investment Income | $503,552 | $102,552 | $56,297 |
Data update history
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
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.
Here's the math on researching The Oxalosis & Hyperoxaluria Foundation by hand.
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