The Jeremy and Hannelore Grantham Environmental Trust logo

The Jeremy and Hannelore Grantham Environmental Trust

Public charity · Grantmaker Boston, MA EIN: 20-3959397 Website

The Jeremy and Hannelore Grantham is a Boston-based public charity that supports organizations working to combat environmental degradation and protect the natural environment. The organization’s 2024 filing describes its work as providing grants and program-related investments for the benefit of its supported organizations; it was formed in 2007.

Key facts about The Jeremy and Hannelore Grantham Environmental Trust

In short: The Jeremy and Hannelore Grantham Environmental Trust gave $34.9M across 24 grants in 2024 (avg $1.5M), top state District of Columbia. 42% of 2024 grantees were new. Source: 2024 IRS Form 990.

EIN
20-3959397
Latest 990 filing
Form 990, 2024
Annual giving (2024)
$34,859,961
Grants made (2024)
24
Average grant
$1,452,498
Median grant
$950,000
New grantees (estimate)
42% first-time grantees (10 of 24, 2024)
Total assets
$467,701,027
Primary geography
District of Columbia (42% of itemized 2024 grant dollars)
Accepts unsolicited proposals
No
How to apply
The Trust reviews proposals by invitation only and does not accept unsolicited requests. Full details ↓

Data from IRS Form 990, 2024; 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 2024 IRS Form 990 · View filing

Total Assets

$467.7M

+1.7% YoY

Annual Giving

$34.9M

-41.9% YoY

Grant Count

24

+14.3% YoY

Avg Grant Size

$1.5M

-49.2% YoY

Is The Jeremy and Hannelore Grantham Environmental Trust open to new grantees?

42%

first-time grantees, 2024

In 2024, 10 of 24 grantees (42%) were first-time recipients. First grants averaged $1.8M; repeat grants $1.2M. How we count

Medians: $1.5M first-time, $710K repeat.

  • 46% of 2024 grantees were also funded in 2023. Method
  • Giving grew 59% from 2021 to 2024. Method

Estimate from itemized grant lists in IRS Form 990 filings (2020–2024). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

The organization’s 2024 filing says its program-related investments further its mission of combatting environmental degradation and preserving and protecting the natural environment. Its website discusses work in areas including clean firm energy, agriculture, toxicity, and carbon removal, and describes support for environmental advocacy and applied research into climate solutions.

Its 2024 grants include support for organizations with varied environmental missions. The Nature Conservancy describes its mission as conserving the lands and waters on which life depends; WWF says it works to conserve nature and reduce threats to the diversity of life; and Rocky Mountain Institute says it seeks to transform the global energy system for a clean, prosperous, zero-carbon future. Other 2024 recipients include Windward Fund, which provides fiscal sponsorship services to environmental projects, and Inside Climate News, which supports environmental journalism.

Grantmaking

In 2024, the organization reported 24 grants totaling $34,559,961. Grant amounts ranged from $34,128 to $3,782,370, with a median grant of $950,000. The largest awards included $3,782,370 to the Institute for Governance and Sustainable Development, $3,703,448 to The Nature Conservancy, $3,483,828 to World Wildlife Fund, $3,445,000 to Rocky Mountain Institute, and $3,100,000 to Hour Glass Climate. The filing lists the purpose of these grants as protecting the environment.

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Geographic Focus

Where this funder awards grants

The organization’s 2024 grant dollars were concentrated among recipients in the District of Columbia (43%), Virginia (17%), Colorado (10%), New Jersey (9%), and Oregon (7%). These figures describe recipient locations, not necessarily the geographic reach of their work.

Grant Distribution by State

15states

Share of 2024 grant dollars across all 24 itemized grants.

Cities

WashingtonSan FranciscoArlingtonNew YorkBasaltCalabasasLeesburgNorth BrookfieldPortlandAnchorageBerkeleyBostonBozemanBrooklynChicagoHigland ParkLos AngelesDoverEstellineMadison

Giving Over Time

Total grant dollars and number of grants per year

$0$20M$40M$60M11 grants2020 19 grants2021 11 grants2022 21 grants2023 24 grants2024

From 2020 to 2024, annual grant giving ranged from $7.4M (2020) to $60.0M (2023). In 2024 it made 24 grants totaling $34.9M.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Institute for Governance and Sustainable Development: $3.8MInstitute for Governance andSustainable Development$3.8MThe Nature Conservancy: $3.7MThe Nature Conservancy$3.7MWorld Wildlife Fund: $3.5MWorld Wildlife Fund$3.5MRocky Mountain Institute: $3.4MRocky Mountain Institute$3.4MHour Glass Climate Inc: $3.1MHour Glass Climate Inc$3.1MWindward Fund: $3.0MWindward Fund$3.0MHealth in Harmony Inc: $2.4MHealth in Harmony Inc$2.4MLeague of Conservation Voters Education Fund: $2.0MLeague of Conservation VotersEducation Fund$2.0MOcean Vision Inc: $2.0MOcean Vision Inc$2.0MCARBON180: $2.0MCARBON180$2.0M

The largest 2024 recipient was Institute for Governance and Sustainable Development ($3.8M). Together the top 10 received $28.9M.

Grant Size Distribution

86 grants across all recorded years

2<$50K3$50–100K7$100–250K11$250–500K17$500K–1M40$1–5M6$5M+

The most common grant size was in the $1–5M range: 40 grants of 86 (47%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Institute for Governance and Sustainable Development Washington, DCGrants to Protect the Environment$3,782,370
The Nature Conservancy Arlington, VAGrants to Protect the Environment$3,703,448
World Wildlife Fund Washington, DCGrants to Protect the Environment$3,483,828
Rocky Mountain Institute Basalt, COGrants to Protect the Environment$3,445,000
Hour Glass Climate Inc Montclair, NJGrants to Protect the Environment$3,100,000
Windward Fund Washington, DCGrants to Protect the Environment$3,000,000
Health in Harmony Inc Portland, ORGrants to Protect the Environment$2,376,945
League of Conservation Voters Education Fund Washington, DCGrants to Protect the Environment$2,000,000
Ocean Vision Inc Leesburg, VAGrants to Protect the Environment$2,000,000
CARBON180 Washington, DCGrants to Protect the Environment$1,975,845

Financial History

Multi-year comparison from IRS filings

Filing year Assets Revenue Expenses Grants
2024 $467,701,027 $74,664,584 $42,101,343 $34,559,961
2023 $459,763,880 $58,893,551 $68,124,049 $59,997,774
2022 $445,829,233 $65,881,649 $35,174,059 $29,894,728
Revenue
Expenses
Net Investment Income
$0$50M$100M$150M2020 2021 2022 2023 2024
Metric202420232022
Total Assets$467,701,027$459,763,880$445,829,233
Revenue$74,664,584$58,893,551$65,881,649
Expenses$42,101,343$68,124,049$35,174,059
Net Investment Income$8,915,520$9,542,371$38,425,766

Data update history

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 May 21, 2024)
  4. Updated Form 990 for fiscal year 2023 (received by the IRS March 4, 2025)
  5. Updated Form 990 for fiscal year 2024 (received by the IRS November 17, 2025)
  6. IRS filings on file for fiscal years 2020–2024

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Jeremy Grantham, Hannelore Grantham, Carter Roberts, Brett Jenks, Jennifer Morris, Ramsay Ravenel, and Jon Creyts as trustees. The organization’s website says the Trust’s independent majority trustees are the CEOs of Rare, The Nature Conservancy, World Wildlife Fund US, and Rocky Mountain Institute.

The Jeremy and Hannelore Grantham Environmental Trust's 2024 filing lists 7 officers; none of the 7 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Brett Jenks

    Trustee

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Carter Roberts

    Trustee

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Hannelore Grantham

    Trustee

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Jennifer Morris

    Trustee

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Jeremy Grantham

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Ramsay Ravenel

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Jon Creyts

    Trustee

    On filings since 2023

    0.3 hrs/week

    No compensation reported

Former officers (1)
  • Former: Jules Kortenhorst (2020–2023) — Trustee

Data from IRS Form 990 filings, 2020–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Contact

Mailing address: 53 State Street 3300, Boston, MA 02109
Phone: (617) 330-7500
Website: https://granthamfoundation.org

Frequently asked questions about The Jeremy and Hannelore Grantham Environmental Trust

How much does The Jeremy and Hannelore Grantham Environmental Trust give each year?

The Jeremy and Hannelore Grantham Environmental Trust gave $34.9M across 24 grants in 2024, according to its 2024 IRS Form 990. In 2023 it gave $60.0M across 21 grants.

What is The Jeremy and Hannelore Grantham Environmental Trust's typical grant size?

The Jeremy and Hannelore Grantham Environmental Trust's median grant in 2024 was $950,000, and its average grant was $1,452,498, across 24 grants on its 2024 IRS Form 990. Organizations receiving their first grant from The Jeremy and Hannelore Grantham Environmental Trust that year got $1.8M on average.

Where does The Jeremy and Hannelore Grantham Environmental Trust give grants?

The Jeremy and Hannelore Grantham Environmental Trust's top state is District of Columbia, with 42% of the grant dollars itemized on its 2024 IRS Form 990. The next largest states were Virginia (18%) and Colorado (10%). The most frequent recipient cities were Washington, DC (8 grants), San Francisco, CA (3 grants) and Arlington, VA (2 grants).

Does The Jeremy and Hannelore Grantham Environmental Trust give general operating support?

Not in 2024: none of the 24 grants with a stated purpose on The Jeremy and Hannelore Grantham Environmental Trust's 2024 IRS Form 990 were described as general or operating support. Recurring purposes include "Grants to Protect the Environment" (24 grants).

Who are The Jeremy and Hannelore Grantham Environmental Trust's largest grantees?

The Jeremy and Hannelore Grantham Environmental Trust's largest 2024 grantees include Institute for Governance and Sustainable Development ($3,782,370), The Nature Conservancy ($3,703,448) and World Wildlife Fund ($3,483,828), according to its 2024 IRS Form 990. Together they received 31% of its itemized 2024 grant dollars.

How large is The Jeremy and Hannelore Grantham Environmental Trust?

The Jeremy and Hannelore Grantham Environmental Trust reported $467.7M in total assets on its 2024 IRS Form 990. Its revenue that year was $74.7M.

What does The Jeremy and Hannelore Grantham Environmental Trust fund?

The organization’s 2024 filing says its program-related investments further its mission of combatting environmental degradation and preserving and protecting the natural environment. See mission & focus areas ↑

How do I apply for a grant from The Jeremy and Hannelore Grantham Environmental Trust?

The Trust reviews proposals by invitation only and does not accept unsolicited requests. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is The Jeremy and Hannelore Grantham Environmental Trust's EIN?

The Jeremy and Hannelore Grantham Environmental Trust's EIN (Employer Identification Number) is 20-3959397. IRS Form 990 filing data is available on this page for 2020–2024.

Does The Jeremy and Hannelore Grantham Environmental Trust accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated September 2026. Sourced from IRS Form 990 filings. Research dossier generated September 2026.

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