The Oldenburg Family Foundation
The Oldenburg Family Foundation is a private foundation based in Bangor, Maine. Its 2025 filing reports 19 grants totaling $69,000, including support for charitable organizations in Maine and Massachusetts.
The Oldenburg Family Foundation at a glance
In short: The Oldenburg Family Foundation gave $69K across 19 grants in 2025 (avg $4K), mostly in Maine. 18% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $69,000
- -5.5% vs 2024
- Grants made (2025)
- 19
- +5.6% vs 2024
- Average grant
- $3,632
- -10.5% vs 2024
- Median grant
- $2,000
- Total assets
- $851,212
- -4.4% vs 2024
- New grantees (estimate)
- 18% first-time grantees (3 of 17, 2025; small sample)
- Primary geography
- Maine (80% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).
How to apply to The Oldenburg Family Foundation
- Accepts unsolicited proposals
- No
- How to Apply
-
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.
- Contact
Mailing address: 166 Fox Hollow, Bangor, ME 04401
Phone: (207) 659-2946
Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Who The Oldenburg Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Penobscot Theatre Company ($20K). Together the top 10 received $63K.
Grant Size Distribution
63 grants across all recorded years
The most common grant size was under $50K: 63 grants of 63 (100%).
Geographic Focus
Where this funder awards grants
In 2025, 80% of grant dollars went to recipients in Maine and 20% to recipients in Massachusetts.
Grant Distribution by State
Share of 2025 grant dollars across all 19 itemized grants.
States
Cities
Is The Oldenburg Family Foundation open to new grantees?
18%
first-time grantees, 2025
In 2025, 3 of 17 grantees (18%) were first-time recipients. With only 17 grantees, that is a small sample: one grantee more or less moves the share by about 6 points. First grants averaged $2K; repeat grants $4K. How we count
Medians: $1K first-time, $2K repeat.
Estimate from itemized grant lists in IRS Form 990-PF filings (2022–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2025, annual grant giving ranged from $35K (2023) to $73K (2024). In 2025 it made 19 grants totaling $69K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Penobscot Theatre Company Bangor, ME | Charitable Contribution | $20,000 |
| Dunstable Rural Land Trust Dunstable, MA | Charitable Donation | $7,500 |
| Great Pond Mountain Conservation Tr Orland, ME | Charitable Donation | $6,000 |
| Bangor Land Trust Bangor, ME | Charitable Donation | $5,000 |
| Wilmington High School Wilmington, MA | Charitable Donation | $5,000 |
| Bangor YMCA Bangor, ME | Charitable Donation | $5,000 |
| Maine Public Broadcasting Lewiston, ME | Charitable Donation | $4,000 |
| Bangor YMCA Bangor, ME | Charitable Donation | $3,000 |
| Alzheimer's Association Maine Chap Scarborough, ME | Charitable Donation | $2,000 |
| Literacy Volunteers of Bangor Bangor, ME | Charitable Donation | $2,000 |
Ready to take the next step with The Oldenburg Family Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2025 | $851,212 | $36,657 | $75,373 | $69,000 | 19 | $69,000 | $14,412 |
| 2024 | $890,317 | $34,593 | $79,300 | $73,000 | 18 | $73,000 | $13,964 |
| 2023 | $935,223 | $18,067 | $40,612 | $35,000 | 13 | $35,000 | $14,332 |
| 2022 | $957,923 | $224,508 | $42,811 | $37,000 | 13 | $37,000 | $11,126 |
| 2021 | $776,226 | $781,760 | $5,534 | — | — | $5,534 | $2,902 |
Research compiled by Grantable AI from public sources. Last updated September 2026.
Mission & Focus Areas
No mission statement for the foundation is provided. Its 2025 grants include organizations whose stated work spans theatre and arts education, land and habitat conservation, public broadcasting, adult literacy, and community services. For example, Penobscot Theatre Company says it promotes theatre through live productions, children’s workshops, educational outreach, and intern training. Bangor Land Trust says it protects significant land and water in the Bangor region for public benefit, while Literacy Volunteers of Bangor says it helps area adults build basic English skills or learn English as another language.
Grantmaking
In 2025, the foundation made 19 grants totaling $69,000. Grants ranged from $500 to $20,000, with a median of $2,000. Its largest reported grant was $20,000 to Penobscot Theatre Company. Other notable grants included $7,500 to Dunstable Rural Land Trust, $6,000 to Great Pond Mountain Conservation Trust, $5,000 to Bangor Land Trust, $5,000 to Wilmington High School, and $5,000 to Bangor YMCA.
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Caroline Oldenburg and Frederick Oldenburg Jr. as trustees.
The Oldenburg Family Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Caroline Oldenburg
Trustee
On filings since 2021
No compensation reported
Frederick Oldenburg Jr.
Trustee
On filings since 2021
No compensation reported
Data from IRS Form 990 filings, 2021–2025. "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 The Oldenburg Family Foundation
How much does The Oldenburg Family Foundation give each year?
The Oldenburg Family Foundation gave $69K across 19 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $73K across 18 grants.
What is The Oldenburg Family Foundation's typical grant size?
The Oldenburg Family Foundation's median grant in 2025 was $2,000, and its average grant was $3,632, across 19 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Oldenburg Family Foundation that year got $2K on average.
Where does The Oldenburg Family Foundation give grants?
The Oldenburg Family Foundation gives mostly in Maine: 80% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Massachusetts (20%). The most frequent recipient cities were Bangor, ME (10 grants), Wilmington, MA (3 grants) and Lewiston, ME (2 grants).
Who are The Oldenburg Family Foundation's largest grantees?
The Oldenburg Family Foundation's largest 2025 grantees include Penobscot Theatre Company ($20,000), Bangor YMCA ($9,000 across 3 grants) and Dunstable Rural Land Trust ($7,500), according to its 2025 IRS Form 990-PF. Together they received 53% of its itemized 2025 grant dollars.
How large is The Oldenburg Family Foundation?
The Oldenburg Family Foundation reported $851K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $37K.
What does The Oldenburg Family Foundation fund?
No mission statement for the foundation is provided. Its 2025 grants include organizations whose stated work spans theatre and arts education, land and habitat conservation, public broadcasting, adult literacy, and community services. See mission & focus areas ↑
How do I apply for a grant from The Oldenburg Family Foundation?
The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Oldenburg Family Foundation's EIN?
The Oldenburg Family Foundation's EIN (Employer Identification Number) is 86-6794998. IRS Form 990 filing data is available on this page for 2021–2025.
Does The Oldenburg Family Foundation accept unsolicited proposals?
No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑
Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.
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 April 29, 2026)
- IRS filings on file for fiscal years 2021–2024
Live grants for the work The Oldenburg Family Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in The Oldenburg Family Foundation's focus areas in our free grants database
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More similar funders
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Cite this profile
Grantable. (2026). The Oldenburg Family Foundation funder profile. GrantGraph. Retrieved October 17, 2026, from https://grantable.co/funders/the-oldenburg-family-foundation-morg_1b8a0d809a74400fa38cba9ae6aeb91f
BibTeX
@misc{grantable_866794998_2026,
author = {{Grantable}},
title = {{The Oldenburg Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/the-oldenburg-family-foundation-morg_1b8a0d809a74400fa38cba9ae6aeb91f},
note = {Accessed 2026-10-17. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from The Oldenburg Family 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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