The Tiedemann Foundation
The Tiedemann Foundation is a Form 990-PF (a private foundation) based in Concord, Massachusetts. Its filing says it primarily makes grants to educational, historic preservation, and environmental causes.
Key facts about The Tiedemann Foundation
In short: The Tiedemann Foundation gave $108K across 19 grants in 2025 (avg $6K), mostly in Massachusetts. 16% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.
- EIN
- 04-3542811
- Latest 990 filing
- Form 990-PF, 2025
- Annual giving (2025)
- $108,000
- Grants made (2025)
- 19
- Average grant
- $5,684
- Median grant
- $3,000
- New grantees (estimate)
- 16% first-time grantees (3 of 19, 2025)
- Total assets
- $631,119
- Primary geography
- Massachusetts (67% of itemized 2025 grant dollars)
- How to apply
- Submit the requested materials to Edward G. Full details ↓
- Deadline
- May 15.
Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology). Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$631K
-11.0% YoY
Annual Giving
$108K
+10.2% YoY
Grant Count
19
-5.0% YoY
Avg Grant Size
$6K
+16.0% YoY
Under IRS private-foundation payout rules, The Tiedemann Foundation reported a distributable amount of $121K for 2025 — the minimum it must pay out in qualifying distributions.
Is The Tiedemann Foundation open to new grantees?
16%
first-time grantees, 2025
In 2025, 3 of 19 grantees (16%) were first-time recipients. First grants averaged $3K; repeat grants $6K. How we count
Medians: $2K first-time, $4K repeat.
- 84% of 2025 grantees were also funded in 2024. Method
- Giving grew 64% from 2022 to 2025. Method
- In 2025 it paid out 90% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method
Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.
Mission & Focus Areas
No separate mission statement for the foundation is provided. The foundation states that it primarily makes grants to educational, historic preservation, and environmental causes.
Its 2025 grants illustrate those areas as well as support for arts and cultural organizations. For example, the Concord Land Conservation Trust received $4,000; the trust describes its work as protecting land in Concord for conservation, habitat, public recreation, and preservation of traditional landscapes. The Folk Arts Center of New England received $3,000 and says it promotes traditional folk dance and music. The Country Dance and Song Society received $2,000; it says it connects and supports communities through participatory dance, music, and song.
Grantmaking
In 2025, the foundation made 19 grants totaling $108,000. Grants ranged from $1,000 to $20,000, with a median award of $3,000.
Review Cycle
May 15. The 2026 date has passed.
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Geographic Focus
Where this funder awards grants
The 2025 grant dollars were distributed among recipients in Massachusetts (67%), Virginia (14%), Indiana (11%), California (7%), and Pennsylvania (1%).
Grant Distribution by State
Share of 2025 grant dollars across all 19 itemized grants.
Cities
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $60K (2020) to $108K (2025). In 2025 it made 19 grants totaling $108K.
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
The largest 2025 recipient was Concord Museum ($20K). Together the top 10 received $93K.
Grant Size Distribution
87 grants across all recorded years
The most common grant size was under $50K: 87 grants of 87 (100%).
Giving History
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Concord Museum Concord, MA | 8,000.00 for collection enhancement; the remaining 12,000.00 is unrestricted. | $20,000 |
| Virginia Tech Blacksburg, VA | Needs of the College of Engineering | $12,000 |
| Purdue Foundation West Lafayette, IN | For the Edward G. Tiedemann Jr. Electrical and Computer Engineering Endowment | $12,000 |
| Historic New England Haverhill, MA | Unrestricted and Historic New England Summit. | $12,000 |
| Peabody Essex Museum Salem, MA | Unrestricted | $10,000 |
| Massachusetts Institute of Technology Boston, MA | Department of Electrical and Computer Engineering and MIT Energy Initiative | $10,000 |
| Trustees of the Reservations Boston, MA | Unrestricted | $5,000 |
| Maritime Museum of San Diego San Diego, CA | Unrestricted | $5,000 |
| Concord Land Conservation Trust Concord, MA | Land conservation | $4,000 |
| Folk Arts Center of New England Stoneham, MA | Unrestricted | $3,000 |
Financial History
Multi-year comparison from IRS filings
| Filing year | Assets | Revenue | Expenses | Grants | Grant count |
|---|---|---|---|---|---|
| 2025 | $631,119 | $50,882 | $108,575 | $108,000 | 19 |
| 2024 | $708,812 | $33,105 | $98,516 | $98,000 | 20 |
| 2023 | $748,223 | $102,122 | $85,974 | $85,500 | 17 |
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $631,119 | $708,812 | $748,223 |
| Revenue | $50,882 | $33,105 | $102,122 |
| Expenses | $108,575 | $98,516 | $85,974 |
| Qualifying Distributions | $108,575 | $98,516 | $85,974 |
| Net Investment Income | $50,882 | $34,028 | $31,038 |
| Distributable Amount | $121,026 | $113,303 | $89,349 |
Data update history
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 10, 2026)
- IRS filings on file for fiscal years 2020–2024
Leadership & Key People
Leadership team and compensation from IRS filings
The 2025 filing lists Edward G. Tiedemann Jr. as President and Lori Jeromin as Director.
The Tiedemann Foundation is led by Edward G Tiedemann Jr., President on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Edward G Tiedemann Jr.
President
On filings since 2020
1 hr/week
No compensation reported
Lori Jeromin
Director
On filings since 2020
No compensation reported
Former officers (1)
- Former: Carter Carey Peaseley (2022–2023) — Director
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.
Contact
Application contact: Edward G Tiedemann Jr
Mailing address: 656 Barretts Mill Road, Concord, MA 01742
Phone: (978) 371-8444
Email: etiedemann@alum.mit.edu
Website: https://https : www.mass.gov info-details search-public-charities-filings
Frequently asked questions about The Tiedemann Foundation
How much does The Tiedemann Foundation give each year?
The Tiedemann Foundation gave $108K across 19 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $98K across 20 grants.
What is The Tiedemann Foundation's typical grant size?
The Tiedemann Foundation's median grant in 2025 was $3,000, and its average grant was $5,684, across 19 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Tiedemann Foundation that year got $3K on average.
Where does The Tiedemann Foundation give grants?
The Tiedemann Foundation gives mostly in Massachusetts: 67% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Virginia (14%) and Indiana (11%). The most frequent recipient cities were Concord, MA (4 grants) and Boston, MA (2 grants).
Does The Tiedemann Foundation give general operating support?
Yes: 58% of The Tiedemann Foundation's 2025 grants with a stated purpose (11 of 19) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are The Tiedemann Foundation's largest grantees?
The Tiedemann Foundation's largest 2025 grantees include Concord Museum ($20,000), Virginia Tech ($12,000) and Purdue Foundation ($12,000), according to its 2025 IRS Form 990-PF. Together they received 41% of its itemized 2025 grant dollars.
How large is The Tiedemann Foundation?
The Tiedemann Foundation reported $631K in total assets on its 2025 IRS Form 990-PF. It paid out $109K in qualifying distributions that year, against a required minimum of $121K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.
What does The Tiedemann Foundation fund?
No separate mission statement for the foundation is provided. The foundation states that it primarily makes grants to educational, historic preservation, and environmental causes. See mission & focus areas ↑
How do I apply for a grant from The Tiedemann Foundation?
Submit the requested materials to Edward G. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑
What is The Tiedemann Foundation's EIN?
The Tiedemann Foundation's EIN (Employer Identification Number) is 04-3542811. 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. Research dossier generated September 2026.
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