The Ivorybill Foundation concentrates funding on independent K–12 schools and selective liberal arts colleges alongside targeted conservation and ocean advocacy. Grants are often substantial pledge payments or multi-year commitments to a small set of institutions, and the foundation appears to favor capital/pledge-support and program enhancements (including athletics) rather than general operating microgrants.
Ivorybill Foundation Inc C/o P Martin Ashford Advisors LLC shows a clear split between education commitments and conservation giving. Its recent grants include repeated support for Maret School, including a $100,000 package in 2023 tied to the Together We Inspire campaign and annual fund, plus separate support in 2023 for the campaign alone. The foundation also made recurring grants to Coastal Rivers Conservation Trust, pairing unrestricted support with a $50,000 land acquisition pledge payment in both 2024 and 2025. That pattern points to a funder that uses pledge payments, campaign gifts, and unrestricted checks to support a small number of institutions over multiple years. Education grants reach both K–12 schools and selective colleges. Washington Waldorf School received a $60,000 pledge payment in 2024 and a $35,000 unrestricted grant in 2023, while Colby College received $50,000 in both 2023 and 2024, with each grant split between unrestricted support and the women’s ice hockey program. The portfolio also includes ocean advocacy, land conservation, and selected civic or health-related gifts, all at a scale that suggests targeted, relationship-based grantmaking rather than broad open solicitation.
Education is a major throughline. Maret School received $75,000 in 2023 for the Together We Inspire campaign, and Washington Waldorf School received $60,000 in 2024 for its annual fund and a pledge payment. At the college level, Colby College got $50,000 in 2024, split between unrestricted support and the women’s ice hockey program, which shows interest in both campus needs and program-specific funding. Conservation is another recurring area. Coastal Rivers Conservation Trust received $60,000 in 2025 for unrestricted support and a land acquisition pledge payment, following a similar $60,000 grant in 2024. Trust for Public Land also received multiple gifts, including $35,000 in 2025 and $25,000 in 2025 for The 33 Fund. In marine advocacy, Oceana received $75,000 in 2025 and $50,000 in 2024, both unrestricted. The foundation also gave $20,000 to Potomac Conservancy in 2025 and $15,000 to Rainn in 2024.
Typical grant size is $5,000 at the 25th percentile, $10,000 at the median, and $15,000 at the 75th percentile, but the recent record also includes much larger pledges and campaign gifts. The foundation appears to favor recurring relationships: Coastal Rivers Conservation Trust, Oceana, Potomac Conservancy, Rainn, and Trust for Public Land each received grants in more than one year. It is classified as a regular funder and funds individuals, though the recent grants list is dominated by organizations. The grants shown are primarily unrestricted, annual fund, pledge-payment, endowment, or campaign-designated support rather than open application grants.
$1.5M
$7.8M
$380K
$506K
Most grants fall between $5K and $15K, with a median of $10K.
25th Percentile
$5K
Median
$10K
75th Percentile
$15K
About 9% of grants go to recipients in MA.
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Concentrated, high-dollar grants to a handful of recurring grantees with pledge payments and multi-installment support; mix of capital/pledge funding and targeted program gifts rather than many small or broad-based grants.
Notable grantees: Maret School, Coastal Rivers Conservation Trust, Colby College, Oceana, Washington Waldorf School
Grants are national in scope, and all recent recipients listed are in the United States. The largest concentration by recipient location is Massachusetts, where recipients include Colby College in Waterville, Trust for Public Land in San Francisco? No — that is not Massachusetts; the Massachusetts recipients in the list include DC Central Kitchen in Boston and Smithsonian Natural History Museum in Boston. Washington, DC appears frequently as well, with Maret School, Oceana, Issue One, Rainn, Building Bridges Across the River, Martha’s Table, and others. Maine shows up through Coastal Rivers Conservation Trust in Damariscotta and Colby College in Waterville.
The recent grants show support for independent K–12 schools, selective liberal arts colleges, land conservation groups, marine advocacy, and some civic or health-related organizations. Examples in the data include Maret School, Washington Waldorf School, Colby College, Coastal Rivers Conservation Trust, Oceana, and Trust for Public Land.
Yes. Several recipients appear in multiple years, including Coastal Rivers Conservation Trust in 2024 and 2025, Oceana in 2024 and 2025, Potomac Conservancy in 2023, 2024, and 2025, Rainn in 2023 and 2024, and Trust for Public Land in 2023, 2024, and 2025.
The grant-size distribution centers on $5,000 at the 25th percentile, $10,000 at the median, and $15,000 at the 75th percentile. The recent grants list also includes much larger commitments, such as $60,000 and $75,000 gifts.
Recent grants emphasize education and conservation. On the education side, the foundation supports K–12 schools and colleges, including gifts for annual funds, campaign support, and women’s ice hockey. On the conservation side, it backs land acquisition, unrestricted conservation support, and marine advocacy.
No. The foundation’s giving is national, and the recipient country distribution in the data is entirely U.S.-based. The recipient list includes organizations in Washington, DC; Maine; Massachusetts; Maryland; New York; Ohio; Texas; California; and Pennsylvania.
2025
Source: IRS Form 990-PF, fiscal year 2025.
Most recent grants reported to the IRS.
| Recipient | Location | Amount | Year | Purpose |
|---|---|---|---|---|
| OCEANA | WASHINGTON, DC | $75,000 | 2025 | UNRESTRICTED |
| COASTAL RIVERS CONSERVATION TRUST | DAMARISCOTTA, ME | $60,000 | 2025 | $10,000 UNRESTRICTED/$50,000 LAND ACQUISITION PLEDGE PAYMENT |
| MD ANDERSON CANCER CENTER | HOUSTON, TX | $50,000 | 2025 | KAREN LU CHAIR ENDOWMENT |
| TRUST FOR PUBLIC LAND | SAN FRANCISCO, CA | $35,000 | 2025 | UNRESTRICTED |
| TRUST FOR PUBLIC LAND | SAN FRANCISCO, CA | $25,000 | 2025 | THE 33 FUND |
| POTOMAC CONSERVANCY | SILVER SPRING, MD | $20,000 | 2025 | UNRESTRICTED |
| AMERICAN CIVIL LIBERTIES UNION FOUNDATION | NEW YORK, NY | $15,000 | 2025 | UNRESTRICTED |
| ISSUE ONE | WASHINGTON, DC | $10,000 | 2025 | UNRESTRICTED |
| OBERLIN COLLEGE | OBERLIN, OH | $10,000 | 2025 | UNRESTRICTED |
| PLANNED PARENTHOOD FEDERATION OF AMERICA | NEW YORK, NY | $10,000 | 2025 | UNRESTRICTED |
| SOME | WASHINGTON, DC | $10,000 | 2025 | UNRESTRICTED |
| WASHINGTON WALDORF SCHOOL | BETHESDA, MD | $10,000 | 2025 | UNRESTRICTED |
| SMITHSONIAN NATURAL HISTORY MUSEUM | BOSTON, MA | $10,000 | 2025 | UNRESTRICTED |
| CONSERVATION LANDS FOUNDATION | DURANGO, CO | $10,000 | 2025 | UNRESTRICTED |
| BUILDING BRIDGES ACROSS THE RIVER | WASHINGTON, DC | $10,000 | 2025 | UNRESTRICTED |
| MARET SCHOOL | WASHINGTON, DC | $10,000 | 2025 | UNRESTRICTED |
| MAINE CENTER FOR ECONOMIC POLICY | AUGUSTA, ME | $10,000 | 2025 | UNRESTRICTED |
| CAPITAL AREA FOOD BANK | WASHINGTON, DC | $10,000 | 2025 | UNRESTRICTED |
| AMERICAN BIRD CONSERVANCY | THE PLAINS, VA | $10,000 | 2025 | UNRESTRICTED |
| DC CENTRAL KITCHEN | BOSTON, MA | $10,000 | 2025 | UNRESTRICTED |
| AMIGOS DE SANTA CRUZ | SEATTLE, WA | $5,000 | 2025 | A BETTER FUTURE COMMUNITY SCHOOL CAMPAIGN |
| GLOBAL WILDLIFE CONSERVATION | AUSTIN, TX | $5,000 | 2025 | ZAMBEZI ELEPHANT FUND |
| MARTHA'S TABLE | WASHINGTON, DC | $5,000 | 2025 | UNRESTRICTED |
| SIBLEY HOSPITAL | WASHINGTON, DC | $5,000 | 2025 | UNRESTRICTED |
| PATHWAYS TO HOUSING DC | WASHINGTON, DC | $5,000 | 2025 | UNRESTRICTED |
| RAINN | WASHINGTON, DC | $5,000 | 2025 | UNRESTRICTED |
| CITY WILDLIFE | WASHINGTON, DC | $2,500 | 2025 | UNRESTRICTED |
| LANDON SCHOOL | BETHESDA, MD | $1,000 | 2025 | UNRESTRICTED |
| MAINE AUDUBON | FALMOUTH, ME | $1,000 | 2025 | UNRESTRICTED |
| NORTHERN FOREST FUND | CONCORD, NH | $211 | 2025 | UNRESTRICTED |
| COASTAL RIVERS CONSERVATION TRUST | DAMARISCOTTA, ME | $60,000 | 2024 | $10,000 UNRESTRICTED/$50,000 LAND ACQUISITION PLEDGE PAYMENT |
| WASHINGTON WALDORF SCHOOL | BETHESDA, MD | $60,000 | 2024 | $10,000 ANNUAL FUND/$50,000 PLEDGE PAYMENT 3/3 |
| COLBY COLLEGE | WATERVILLE, ME | $50,000 | 2024 | $25,000 UNRESTRICTED/$25,000 WOMEN'S ICE HOCKEY PROGRAM |
| OCEANA | WASHINGTON, DC | $50,000 | 2024 | UNRESTRICTED |
| TRUST FOR PUBLIC LAND | SAN FRANCISCO, CA | $35,000 | 2024 | UNRESTRICTED |
| POTOMAC CONSERVANCY | SILVER SPRING, MD | $20,000 | 2024 | UNRESTRICTED |
| RAINN | WASHINGTON, DC | $15,000 | 2024 | UNRESTRICTED |
| MARET SCHOOL | WASHINGTON, DC | $10,000 | 2024 | UNRESTRICTED |
| CONSERVATION LANDS FOUNDATION | DURANGO, CO | $10,000 | 2024 | UNRESTRICTED |
| DC CENTRAL KITCHEN | BOSTON, MA | $10,000 | 2024 | UNRESTRICTED |
| OBERLIN COLLEGE | OBERLIN, OH | $10,000 | 2024 | UNRESTRICTED |
| CAPITAL AREA FOOD BANK | WASHINGTON, DC | $10,000 | 2024 | UNRESTRICTED |
| MARTHA'S TABLE | WASHINGTON, DC | $10,000 | 2024 | UNRESTRICTED |
| SMITHSONIAN NATURAL HISTORY MUSEUM | BOSTON, MA | $10,000 | 2024 | UNRESTRICTED |
| SOME | WASHINGTON, DC | $10,000 | 2024 | UNRESTRICTED |
| BUILDING BRIDGES ACROSS THE RIVER | WASHINGTON, DC | $10,000 | 2024 | UNRESTRICTED |
| WASHINGTON NATIONALS YOUTH BASEBALL ACADEMY | WASHINGTON, DC | $10,000 | 2024 | UNRESTRICTED |
| ISSUE ONE | WASHINGTON, DC | $10,000 | 2024 | UNRESTRICTED |
| AMERICAN CIVIL LIBERTIES UNION FOUNDATION | NEW YORK, NY | $10,000 | 2024 | UNRESTRICTED |
| PLANNED PARENTHOOD FOUNDATION OF AMERICA | NEW YORK, NY | $10,000 | 2024 | UNRESTRICTED |
OCEANA
$75,000UNRESTRICTED
COASTAL RIVERS CONSERVATION TRUST
$60,000$10,000 UNRESTRICTED/$50,000 LAND ACQUISITION PLEDGE PAYMENT
MD ANDERSON CANCER CENTER
$50,000KAREN LU CHAIR ENDOWMENT
TRUST FOR PUBLIC LAND
$35,000UNRESTRICTED
TRUST FOR PUBLIC LAND
$25,000THE 33 FUND
POTOMAC CONSERVANCY
$20,000UNRESTRICTED
AMERICAN CIVIL LIBERTIES UNION FOUNDATION
$15,000UNRESTRICTED
ISSUE ONE
$10,000UNRESTRICTED
OBERLIN COLLEGE
$10,000UNRESTRICTED
PLANNED PARENTHOOD FEDERATION OF AMERICA
$10,000UNRESTRICTED
SOME
$10,000UNRESTRICTED
WASHINGTON WALDORF SCHOOL
$10,000UNRESTRICTED
SMITHSONIAN NATURAL HISTORY MUSEUM
$10,000UNRESTRICTED
CONSERVATION LANDS FOUNDATION
$10,000UNRESTRICTED
BUILDING BRIDGES ACROSS THE RIVER
$10,000UNRESTRICTED
MARET SCHOOL
$10,000UNRESTRICTED
MAINE CENTER FOR ECONOMIC POLICY
$10,000UNRESTRICTED
CAPITAL AREA FOOD BANK
$10,000UNRESTRICTED
AMERICAN BIRD CONSERVANCY
$10,000UNRESTRICTED
DC CENTRAL KITCHEN
$10,000UNRESTRICTED
AMIGOS DE SANTA CRUZ
$5,000A BETTER FUTURE COMMUNITY SCHOOL CAMPAIGN
GLOBAL WILDLIFE CONSERVATION
$5,000ZAMBEZI ELEPHANT FUND
MARTHA'S TABLE
$5,000UNRESTRICTED
SIBLEY HOSPITAL
$5,000UNRESTRICTED
PATHWAYS TO HOUSING DC
$5,000UNRESTRICTED
RAINN
$5,000UNRESTRICTED
CITY WILDLIFE
$2,500UNRESTRICTED
LANDON SCHOOL
$1,000UNRESTRICTED
MAINE AUDUBON
$1,000UNRESTRICTED
NORTHERN FOREST FUND
$211UNRESTRICTED
COASTAL RIVERS CONSERVATION TRUST
$60,000$10,000 UNRESTRICTED/$50,000 LAND ACQUISITION PLEDGE PAYMENT
WASHINGTON WALDORF SCHOOL
$60,000$10,000 ANNUAL FUND/$50,000 PLEDGE PAYMENT 3/3
COLBY COLLEGE
$50,000$25,000 UNRESTRICTED/$25,000 WOMEN'S ICE HOCKEY PROGRAM
OCEANA
$50,000UNRESTRICTED
TRUST FOR PUBLIC LAND
$35,000UNRESTRICTED
POTOMAC CONSERVANCY
$20,000UNRESTRICTED
RAINN
$15,000UNRESTRICTED
MARET SCHOOL
$10,000UNRESTRICTED
CONSERVATION LANDS FOUNDATION
$10,000UNRESTRICTED
DC CENTRAL KITCHEN
$10,000UNRESTRICTED
OBERLIN COLLEGE
$10,000UNRESTRICTED
CAPITAL AREA FOOD BANK
$10,000UNRESTRICTED
MARTHA'S TABLE
$10,000UNRESTRICTED
SMITHSONIAN NATURAL HISTORY MUSEUM
$10,000UNRESTRICTED
SOME
$10,000UNRESTRICTED
BUILDING BRIDGES ACROSS THE RIVER
$10,000UNRESTRICTED
WASHINGTON NATIONALS YOUTH BASEBALL ACADEMY
$10,000UNRESTRICTED
ISSUE ONE
$10,000UNRESTRICTED
AMERICAN CIVIL LIBERTIES UNION FOUNDATION
$10,000UNRESTRICTED
PLANNED PARENTHOOD FOUNDATION OF AMERICA
$10,000UNRESTRICTED