Acid Maltase Deficiency Association Inc
Acid Maltase Deficiency Association Inc is a private foundation, based in San Antonio, TX. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $930K in total assets. In 2025, it awarded 3 grants totaling $325K. Net investment income was $20K.
Acid Maltase Deficiency Association Inc at a glance
In short: Acid Maltase Deficiency Association Inc gave $325K across 3 grants in 2025 (avg $108K), mostly in Massachusetts. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $325,000
- +62.5% vs 2024
- Grants made (2025)
- 3
- +50.0% vs 2024
- Average grant
- $108,333
- +8.3% vs 2024
- Median grant
- $100,000
- Total assets
- $929,748
- +14.4% vs 2024
- Primary geography
- Massachusetts (77% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026.
Who Acid Maltase Deficiency Association Inc funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Harvard Medical School ($150K). Together the top 3 received $325K.
Grant Size Distribution
6 grants across all recorded years
The most common grant size was in the $100–250K range: 4 grants of 6 (67%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 3 itemized grants.
Cities
How Acid Maltase Deficiency Association Inc gives
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2019 to 2025, annual grant giving ranged from $200K (2019) to $325K (2025). In 2025 it made 3 grants totaling $325K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Harvard Medical School Charlestown, MA | To Further Research of the Disease | $150,000 |
| Boston Children's Hospital Boston, MA | To Further Research of the Disease | $100,000 |
| Duke University Durham, NC | To Further Research of the Disease | $75,000 |
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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 | $929,748 | $708,830 | $591,844 | $325,000 | 3 | $591,479 | $20,474 | $44,140 |
| 2024 | $812,819 | $875,523 | $860,928 | $200,000 | 2 | $860,689 | $26,248 | $38,947 |
| 2023 | $789,739 | $281,663 | $480,422 | $300,000 | 1 | $480,392 | $17,200 | $37,635 |
| 2022 | $988,498 | $247,903 | $135,406 | — | — | $135,313 | $2,161 | $48,554 |
| 2021 | $876,001 | $176,783 | $131,126 | — | — | — | $6,702 | $40,721 |
| 2020 | $830,661 | $285,277 | $407,175 | $200,000 | 1 | — | $12,828 | $40,658 |
| 2019 | $952,431 | $327,071 | $397,142 | $200,000 | 1 | — | $18,902 | $49,011 |
Under IRS private-foundation payout rules, Acid Maltase Deficiency Association Inc reported a distributable amount of $44K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Acid Maltase Deficiency Association Inc is led by Andrea House Faris, President on the 2025 filing; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Andrea House Faris
President
New on the 2025 filing
No compensation reported
Randall H. House
Chairman
On filings since 2019
No compensation reported
Marylyn House
Vice President, Secretary & Treasurer
Vpsectreas → Vice President, Secretary & Treasurer, 2020
On filings since 2019
No compensation reported
Former officers (1)
- Former: Tiffany House (2019–2024) — President
Data from IRS Form 990 filings, 2019–2025. "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 Acid Maltase Deficiency Association Inc
How much does Acid Maltase Deficiency Association Inc give each year?
Acid Maltase Deficiency Association Inc gave $325K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $200K across 2 grants.
What is Acid Maltase Deficiency Association Inc's typical grant size?
Acid Maltase Deficiency Association Inc's median grant in 2025 was $100,000, and its average grant was $108,333, across 3 grants on its 2025 IRS Form 990-PF.
Where does Acid Maltase Deficiency Association Inc give grants?
Acid Maltase Deficiency Association Inc gives mostly in Massachusetts: 77% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was North Carolina (23%).
Does Acid Maltase Deficiency Association Inc give general operating support?
Not in 2025: none of the 3 grants with a stated purpose on Acid Maltase Deficiency Association Inc's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "To Further Research of the Disease" (3 grants).
How large is Acid Maltase Deficiency Association Inc?
Acid Maltase Deficiency Association Inc reported $930K in total assets on its 2025 IRS Form 990-PF. It paid out $591K in qualifying distributions that year, against a required minimum of $44K (roughly 5% of its investment assets).
What is Acid Maltase Deficiency Association Inc's EIN?
Acid Maltase Deficiency Association Inc's EIN (Employer Identification Number) is 74-2760695. IRS Form 990 filing data is available on this page for 2019–2025.
Data last updated October 2026. Sourced from IRS Form 990-PF filings.
Data update history
(3)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2019 (received by the IRS August 17, 2020)
- Added Form 990-PF for fiscal year 2025 (received by the IRS August 10, 2026)
- IRS filings on file for fiscal years 2020–2024
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