Geraldine W and Robert J Dellenback Foundation Inc
Geraldine W and Robert J Dellenback Foundation Inc is a private foundation, based in Stamford, CT. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $3.4M in total assets. In 2025, it awarded 4 grants totaling $925K. Net investment income was $723K.
Geraldine W and Robert J Dellenback Foundation Inc at a glance
In short: Geraldine W and Robert J Dellenback Foundation Inc gave $925K across 4 grants in 2025 (avg $231K), mostly in Wyoming. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $925,000
- Grants made (2025)
- 4
- Average grant
- $231,250
- Median grant
- $200,000
- Total assets
- $3,374,639
- -5.9% vs 2024
- Primary geography
- Wyoming (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Geraldine W and Robert J Dellenback Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2025
The largest 2025 recipient was Teton Youth & Family Services ($525K across 2 grants). Together the top 3 received $925K.
Grant Size Distribution
7 grants across all recorded years
The most common grant size was in the $100–250K range: 3 grants of 7 (43%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
Cities
How Geraldine W and Robert J Dellenback Foundation Inc gives
- In 2025 it paid out 380% of 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 2020 to 2025, annual grant giving ranged from $204K (2021) to $925K (2025). In 2025 it made 4 grants totaling $925K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Teton Youth & Family Services Jackson, WY | Gymnasium for Redtop Residentialtreatment Program | $500,000 |
| St John's Health Foundation Jackson, WY | Construction of Hitching Postapartment Complex | $200,000 |
| The Episcopal Church Jackson, WY | Construction of Browse N Buy Building | $200,000 |
| Teton Youth & Family Services Jackson, WY | Red Top Meadowssummer Wildernessprogram | $25,000 |
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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 | $3,374,639 | $791,544 | $1,014,658 | $925,000 | 4 | $940,583 | $723,295 | $247,547 |
| 2024 | $3,587,852 | $316,392 | $54,849 | — | — | $15,346 | $276,889 | $233,413 |
| 2023 | $3,331,853 | $166,343 | $67,563 | — | — | $28,152 | $126,932 | $189,595 |
| 2022 | $3,227,529 | $185,024 | $45,479 | — | — | $16,638 | $165,183 | $180,618 |
| 2021 | $3,087,984 | $466,495 | $260,879 | $203,705 | 3 | $225,472 | $433,088 | $194,982 |
| 2020 | $2,882,368 | $251,332 | $447,655 | $400,500 | 4 | — | $199,649 | $158,074 |
Under IRS private-foundation payout rules, Geraldine W and Robert J Dellenback Foundation Inc reported a distributable amount of $248K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Geraldine W and Robert J Dellenback Foundation Inc is led by Howard S. Tuthill III Esq., President & Treasurer since 2022 (on filings since 2020); 1 of 3 officers listed in 2025 is compensated.
Officers on the 2025 filing
Howard S. Tuthill III Esq.
President & Treasurer
Vice President, Treasurer & Secretary → President & Treasurer, 2022
On filings since 2020
1 hr/week
$31K (2025)
Geraldine D. Parker
Vice President & Assistant Treasurer
Vice President → Vice President & Assistant Treasurer, 2022
On filings since 2020
1 hr/week
No compensation reported
Elizabeth A. Falkoff
Vice President & Secretary
On filings since 2022
1 hr/week
No compensation reported
Former officers (1)
- Former: Geraldine W. Dellenback (2020–2021) — President
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.
Compensation Overview
From 2025 IRS filing
The highest reported compensation on the 2025 filing was $31K, to Howard S Tuthill III ESQ (President/Treasurer).
Frequently asked questions about Geraldine W and Robert J Dellenback Foundation Inc
How much does Geraldine W and Robert J Dellenback Foundation Inc give each year?
Geraldine W and Robert J Dellenback Foundation Inc gave $925K across 4 grants in 2025, according to its 2025 IRS Form 990-PF.
What is Geraldine W and Robert J Dellenback Foundation Inc's typical grant size?
Geraldine W and Robert J Dellenback Foundation Inc's median grant in 2025 was $200,000, and its average grant was $231,250, across 4 grants on its 2025 IRS Form 990-PF.
Where does Geraldine W and Robert J Dellenback Foundation Inc give grants?
Geraldine W and Robert J Dellenback Foundation Inc gives mostly in Wyoming: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Jackson, WY (4 grants).
Does Geraldine W and Robert J Dellenback Foundation Inc give general operating support?
Not in 2025: none of the 4 grants with a stated purpose on Geraldine W and Robert J Dellenback Foundation Inc's 2025 IRS Form 990-PF were described as general or operating support.
How large is Geraldine W and Robert J Dellenback Foundation Inc?
Geraldine W and Robert J Dellenback Foundation Inc reported $3.4M in total assets on its 2025 IRS Form 990-PF. It paid out $941K in qualifying distributions that year, against a required minimum of $248K (roughly 5% of its investment assets).
What is Geraldine W and Robert J Dellenback Foundation Inc's EIN?
Geraldine W and Robert J Dellenback Foundation Inc's EIN (Employer Identification Number) is 36-4513808. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
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 May 5, 2026)
- IRS filings on file for fiscal years 2020–2024
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