Cardinal Brook Trust

Private foundation · Grantmaker Boston, MA EIN: 04-3050557

Cardinal Brook Trust is a private foundation based in Boston, Massachusetts, according to its Form 990-PF filing. Its 2024 filing reports grants to charitable organizations in Massachusetts, including organizations working in land conservation, health care, education, housing, and community services.

Cardinal Brook Trust at a glance

In short: Cardinal Brook Trust gave $2.3M across 12 grants in 2024 (avg $190K), mostly in Massachusetts. 42% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$2,284,379
+9176.7% vs 2023
Grants made (2024)
12
+140.0% vs 2023
Average grant
$190,365
+3765.3% vs 2023
Median grant
$15,000
Total assets
$124,608,800
+20.2% vs 2023
New grantees (estimate)
42% first-time grantees (5 of 12, 2024; small sample)
Primary geography
Massachusetts (100% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Cardinal Brook Trust

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: Co Klr 99 Summer Street 520, Boston, MA 02110
Phone: (781) 547-8800

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Cardinal Brook Trust funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Johnson Family Gift Fund - Bank of America Charitable Gift Fund: $1.0MJohnson Family Gift Fund -Bank of America Charitable…$1.0MMt Grace Land Trust: $600KMt Grace Land Trust$600KMass General: $500KMass General$500KMartha's Vineyard Vision Fellowship: $90KMartha's Vineyard VisionFellowship$90KHarvard College Schoolyard Project: $40KHarvard College SchoolyardProject$40KThe Village School on the Common: $20KThe Village School on theCommon$20KQuabbin Food Connector: $10KQuabbin Food Connector$10KIsland Housing Trust: $8KIsland Housing Trust$8KNew England Public Radio: $5KNew England Public Radio$5KStillpoint Martha's Vineyard Inc: $5KStillpoint Martha's VineyardInc$5K

The largest 2024 recipient was Johnson Family Gift Fund - Bank of America Charitable Gift Fund ($1.0M). Together the top 10 received $2.3M.

Grant Size Distribution

147 grants across all recorded years

130<$50K4$50–100K6$100–250K1$250–500K2$500K–1M4$1–5M$5M+

The most common grant size was under $50K: 130 grants of 147 (88%).

Geographic Focus

Where this funder awards grants

All reported 2024 grant dollars went to recipients in Massachusetts.

Grant Distribution by State

11states

Share of 2024 grant dollars across all 12 itemized grants.

Cities

PetershamVineyard HavenAtholBarreBostonWest TisburyNew YorkOrangeAlbanyMarlboroNew BraintreeOak BluffsWashingtonCambridgeDoradoEdgartownGardnerMiddletownPetersburgPrinceton

Is Cardinal Brook Trust open to new grantees?

42%

first-time grantees, 2024

In 2024, 5 of 12 grantees (42%) were first-time recipients. With only 12 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $313K; repeat grants $103K. How we count

Medians: $40K first-time, $8K repeat.

  • 17% of 2024 grantees were also funded in 2023. Method
  • Giving fell 22% from 2021 to 2024. Method
  • In 2024 it paid out 33% 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 (2020–2024). 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

$0$2M$4M$6M54 grants2020 48 grants2021 28 grants2022 5 grants2023 12 grants2024

From 2020 to 2024, annual grant giving ranged from $25K (2023) to $5.5M (2020). In 2024 it made 12 grants totaling $2.3M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Johnson Family Gift Fund - Bank of America Charitable Gift Fund Boston, MAFor General Support$1,000,000
Mt Grace Land Trust Athol, MAFor General Support$600,000
Mass General Boston, MAFor General Support$500,000
Martha's Vineyard Vision Fellowship Vineyard Haven, MAFor General Support$90,000
Harvard College Schoolyard Project Petersham, MAFor General Support$40,000
The Village School on the Common Royalston, MAFor Educational Purposes$20,000
Quabbin Food Connector Orange, MAFor General Support$10,000
Island Housing Trust West Tisbury, MAFor General Support$8,379
New England Public Radio Springfield, MAFor General Support$5,000
Stillpoint Martha's Vineyard Inc Vineyard Haven, MAFor General Support$5,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2024$124,608,800$23,714,697$2,914,968$2,284,37912$2,315,629$6,128,557$7,031,657
2023$103,661,109$50,394,251$572,982$24,6255$61,973$5,349,700$4,385,176
2022$53,788,650$4,873,717$2,832,864$2,440,03828$2,470,288$4,515,672$2,835,599
2021$51,747,797$2,898,495$3,483,705$2,943,54148$2,975,466$2,466,001$3,065,663
2020$52,333,007$3,583,411$6,144,398$5,465,31354—$2,884,164$2,795,914

Under IRS private-foundation payout rules, Cardinal Brook Trust reported a distributable amount of $7.0M for 2024 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

The available information does not state a mission for the trust. Its 2024 grants included support for a land trust, a hospital, educational organizations, and community organizations. Island Housing Trust describes its mission as developing and maintaining affordable housing on Martha’s Vineyard. Stillpoint Martha’s Vineyard describes its mission as creating a gathering place for educational offerings, including discussions, workshops, silent retreats, and the arts. Martha’s Vineyard Community Services describes its mission as meeting the needs of individuals, families, and the community through education, health, and human services.

Grantmaking

In filing year 2024, the trust reported 12 grants totaling $2,284,379. Grant amounts ranged from $1,000 to $1,000,000, with a median of $15,000. Its largest reported grants included $1,000,000 to Johnson Family Gift Fund - Bank of America Charitable Gift Fund, $600,000 to Mt Grace Land Trust, and $500,000 to Mass General. Other grants included $90,000 to Martha’s Vineyard Vision Fellowship and $40,000 to Harvard College Schoolyard Project.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Hannah Johnson, Nathan Davis, Jacob Davis, Rebecca Aures, Karen Davis, and David Davis as trustees.

Cardinal Brook Trust's 2024 filing lists 6 officers; none of the 6 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • David Davis

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Hannah Johnson

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Jacob Davis

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Karen Davis

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Nathan Davis

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

  • Rebecca Aures

    Trustee

    On filings since 2020

    1 hr/week

    No compensation reported

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.

Frequently asked questions about Cardinal Brook Trust

How much does Cardinal Brook Trust give each year?

Cardinal Brook Trust gave $2.3M across 12 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $25K across 5 grants.

What is Cardinal Brook Trust's typical grant size?

Cardinal Brook Trust's median grant in 2024 was $15,000, and its average grant was $190,365, across 12 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Cardinal Brook Trust that year got $313K on average.

Where does Cardinal Brook Trust give grants?

Cardinal Brook Trust gives mostly in Massachusetts: 100% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Vineyard Haven, MA (3 grants) and Boston, MA (2 grants).

Does Cardinal Brook Trust give general operating support?

Yes: 83% of Cardinal Brook Trust's 2024 grants with a stated purpose (10 of 12) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Cardinal Brook Trust's largest grantees?

Cardinal Brook Trust's largest 2024 grantees include Johnson Family Gift Fund - Bank of America Charitable Gift Fund ($1,000,000), Mt Grace Land Trust ($600,000) and Mass General ($500,000), according to its 2024 IRS Form 990-PF. Together they received 92% of its itemized 2024 grant dollars.

How large is Cardinal Brook Trust?

Cardinal Brook Trust reported $124.6M in total assets on its 2024 IRS Form 990-PF. It paid out $2.3M in qualifying distributions that year, against a required minimum of $7.0M (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 Cardinal Brook Trust fund?

The available information does not state a mission for the trust. Its 2024 grants included support for a land trust, a hospital, educational organizations, and community organizations. Island Housing Trust describes its mission as developing and maintaining affordable housing on Martha’s Vineyard. See mission & focus areas ↑

How do I apply for a grant from Cardinal Brook Trust?

The foundation states that it 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 Cardinal Brook Trust's EIN?

Cardinal Brook Trust's EIN (Employer Identification Number) is 04-3050557. IRS Form 990 filing data is available on this page for 2020–2024.

Does Cardinal Brook Trust 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 October 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). Cardinal Brook Trust funder profile. GrantGraph. Retrieved October 13, 2026, from https://grantable.co/funders/cardinal-brook-trust-morg_31dd4f6a98ae4560947cc5dd41c9b7e6

BibTeX
@misc{grantable_043050557_2026,
  author       = {{Grantable}},
  title        = {{Cardinal Brook Trust funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/cardinal-brook-trust-morg_31dd4f6a98ae4560947cc5dd41c9b7e6},
  note         = {Accessed 2026-10-13. 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 Cardinal Brook Trust'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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