Hypopara Research Foundation

Public charity · Grantmaker San Mateo, CA EIN: 83-2048489

Hrf's mission is to fund innovative, collaborative research with the narrow aim of improving the quality of life for those suffering with hypoparathyroidism and ultimately curing hypoparathyroidism.

Hypopara Research Foundation at a glance

Total assets
$53,365
-19.3% vs 2024
Expenses (2025)
$12,725
-87.2% vs 2024
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated September 2026.

Who Hypopara Research Foundation funds

How this funder distributes its grants

Grant Size Distribution

3 grants across all recorded years

1<$50K1$50–100K1$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 1 grant of 3 (33%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

1state

States

Cities

Philadelphia

How Hypopara Research Foundation gives

  • Giving held roughly steady from 2021 to 2024 (−8%). Method

From the foundation's IRS Form 990 filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K1 grant2020 1 grant2021 1 grant2022 0 grants2023 1 grant2024 0 grants2025

From 2020 to 2024, annual grant giving ranged from $25K (2022) to $300K (2020). In 2024 it made 1 grant totaling $92K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
University of Pennsylvania Philadelphia, PAHypoparathyroidism Orphan Disease$91,765
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrants
2025$53,365—$12,725——
2024$66,090$3,000$99,490$91,7651
2023$162,580$210$3,850——
2022$166,220$67,732$33,428$25,2671
2021$131,916$43,244$106,125$100,0001
2020$194,797$276,275$300,893$300,0001

About Hypopara Research Foundation

Based on IRS filings

Hypopara Research Foundation is a public charity focused on Health, based in San Mateo, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $53K in total assets.

Focus Areas

Leadership & Key People

Officers and directors from IRS filings

Hypopara Research Foundation is led by James H. Greene III, President & Board Member on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2025 filing

  • James H. Greene III

    President & Board Member

    On filings since 2020

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: Amanda Greene (2020) — Board Member, Secretary & Treasurer

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 Hypopara Research Foundation

How large is Hypopara Research Foundation?

Hypopara Research Foundation reported $53K in total assets on its 2025 IRS Form 990.

What is Hypopara Research Foundation?

Hypopara Research Foundation is a public charity focused on Health, based in San Mateo, CA. It holds $53K in total assets as of 2025.

Where does Hypopara Research Foundation operate?

Hypopara Research Foundation has awarded grants in Pennsylvania.

What is Hypopara Research Foundation's EIN?

Hypopara Research Foundation's EIN (Employer Identification Number) is 83-2048489. IRS Form 990 filing data is available on this page for 2020–2025.

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

  1. Updated Form 990 for fiscal year 2020 (received by the IRS November 15, 2021)
  2. Updated Form 990 for fiscal year 2021 (received by the IRS November 15, 2022)
  3. Updated Form 990 for fiscal year 2022 (received by the IRS November 15, 2023)
  4. Updated Form 990 for fiscal year 2024 (received by the IRS November 15, 2025)
  5. Added Form 990 for fiscal year 2025 (received by the IRS May 14, 2026)
  6. IRS filings on file for fiscal years 2020–2024

Live grants for the work Hypopara Research Foundation funds

Health Open opportunities, soonest deadline first.

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Hypopara Research Foundation'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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