Manton Foundation

Private foundation · Grantmaker New York, NY EIN: 13-3636372

Manton Foundation is a private foundation based in New York, NY. In 2024, it reported giving to 75 preselected charitable organizations, including schools, universities, hospitals, research organizations, and conservation and community-service nonprofits.

Manton Foundation at a glance

In short: Manton Foundation gave $32.9M across 75 grants in 2024 (avg $439K), mostly in Massachusetts. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$32,944,343
+1.0% vs 2023
Grants made (2024)
75
+21.0% vs 2023
Average grant
$439,258
-16.5% vs 2023
Median grant
$199,000
Total assets
$691,568,485
+4.7% vs 2023
Primary geography
Massachusetts (72% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated October 2026.

How to apply to Manton 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: Co Anchin 3 Times Square, New York, NY 10036
Phone: (212) 840-3456

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

Who Manton Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Massachusetts Institute of Technology: $2.6MMassachusetts Institute ofTechnology$2.6MTufts University: $2.3MTufts University$2.3MThe Livestock Institute of Southern New England: $2.1M across 4 grantsThe Livestock Institute ofSouthern New England$2.1M · 4 grantsThe Trustees of Reservations: $2.1M across 2 grantsThe Trustees of Reservations$2.1M · 2 grantsBoston Children's Hospital: $2.0MBoston Children's Hospital$2.0MThe Nature Conservancy: $1.8M across 2 grantsThe Nature Conservancy$1.8M · 2 grantsMount Desert Island Hospital: $1.5MMount Desert Island Hospital$1.5MBroad Institute: $1.4MBroad Institute$1.4MPresident and Fellows of Harvard College: $1.0MPresident and Fellows ofHarvard College$1.0MNew Bedford Whaling Museum: $1.0MNew Bedford Whaling Museum$1.0M

The largest 2024 recipient was Massachusetts Institute of Technology ($2.6M). Together the top 10 received $17.8M.

Organizations only. It also paid 1 grant to individuals ($3,000,000), which are not listed by name.

Grant Size Distribution

216 grants across all recorded years

31<$50K32$50–100K67$100–250K28$250–500K27$500K–1M27$1–5M4$5M+

The most common grant size was in the $100–250K range: 67 grants of 216 (31%).

Geographic Focus

Where this funder awards grants

In 2024, the largest share of grant dollars went to recipients in Massachusetts (72%). Other reported recipient-state shares were Connecticut (7%), Maine (6%), New York (4%), and Vermont (3%).

Grant Distribution by State

15states

Share of 2024 grant dollars across all 75 itemized grants.

Cities

BostonNew YorkNew BedfordWestportNew HavenCambridgeFall RiverFredericksburgSeattleSouth WoodstockAshevilleActonArlingtonBelmontBrocktonBrunswickCamdenEast BoothbayManchesterNorth Grafton

How Manton Foundation gives

  • 47% of 2024 grantees were also funded in 2023. Method
  • Giving grew 21% from 2021 to 2024. Method
  • In 2024 it paid out 105% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (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$10M$20M$30M$40M1 grant2020 1 grant2021 77 grants2022 62 grants2023 75 grants2024

From 2020 to 2024, annual grant giving ranged from $24.9M (2020) to $32.9M (2024). In 2024 it made 75 grants totaling $32.9M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
1 grant to individuals Recipients not named —$3,000,000
Massachusetts Institute of Technology Cambridge, MAFor the Center for Gynepathology Research$2,614,517
Tufts University North Grafton, MAFor the Qalibra CT System$2,300,000
Boston Children's Hospital Boston, MAFor the Cell Discovery Network$2,000,000
Mount Desert Island Hospital Bar Harbor, MEFor the Central Utility Plant$1,500,000
The Trustees of Reservations Boston, MAFor the Millborn Farm Conservation Project$1,500,000
Broad Institute Cambridge, MAFor Scad-Related Research and Investments$1,400,309
The Nature Conservancy New Haven, CTFor Tree Species in Peril$1,254,287
The Livestock Institute of Southern New England Westport, MAFor Debt Relief$1,215,371
President and Fellows of Harvard College Cambridge, MAFor curriculum innovation, building the front-line mental health workforce, and educational resources$1,014,382
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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$691,568,485$32,374,158$37,082,537$32,944,34375$34,474,783$29,731,052$32,831,025
2023$660,409,806$20,525,182$36,596,288$32,634,05362$34,433,875$17,896,849$31,152,113
2022$631,991,282$50,467,157$40,179,579$32,624,87477$34,261,933$45,489,128$32,956,742
2021$499,091,994$69,635,634$31,624,300$27,146,7661$28,763,811$67,921,346$33,816,999
2020$467,969,137$32,749,464$27,999,938$24,905,5291—$31,755,894$28,253,785

Under IRS private-foundation payout rules, Manton Foundation reported a distributable amount of $32.8M for 2024 — the minimum it must pay out in qualifying distributions.

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

Mission & Focus Areas

No foundation mission is stated. The 2024 grants show support for a range of organizations and projects. For example, MIT received a grant for its Center for Gynepathology Research; St. Mark’s School of Southborough received support for a financial aid fund; and The Trustees of Reservations received support for a conservation project.

Grantees describe their own work in varied terms. MIT says its mission is to advance knowledge and educate students in science, technology, and other areas of scholarship. The Trustees of Reservations describes itself as a conservation and preservation nonprofit. Mount Desert Island Hospital says it provides compassionate care and works to strengthen community health. Community Servings says it provides medically tailored meals and groceries to people who are chronically or critically ill and their families.

Grantmaking

In 2024, the foundation reported 75 grants totaling $32,944,343. Grant amounts ranged from $1,054 to $3,000,000, with a median of $199,000.

Among the largest reported grants were $3,000,000 to St. Mark’s School of Southborough for a financial aid fund; $2,614,517 to MIT for its Center for Gynepathology Research; $2,300,000 to Tufts University for the Qalibra CT System; and $2,000,000 to Boston Children’s Hospital for the Cell Discovery Network. Other grants included $1,500,000 to Mount Desert Island Hospital for a central utility plant and $1,500,000 to The Trustees of Reservations for the Millborn Farm Conservation Project.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2024 filing lists Sandra Niles and Julia Krapf as trustees.

Manton Foundation's 2024 filing lists 2 officers; all 2 officers listed in 2024 are compensated.

Officers on the 2024 filing

  • Julia G. Morton Krapf

    Trustee

    On filings since 2020

    10 hrs/week

    $200K (2020) → $330K (2024)

  • Sandra T. Morton Niles

    Trustee

    On filings since 2020

    10 hrs/week

    $50K (2020) → $330K (2024)

Former officers (2)
  • Former: Martin Hall (2020–2023) — Administrator Trustee · Filing note: Resigned eff 492023
  • Former: Diana H. Morton (2020–2022) — Trustee · Filing note: Resigned eff 123122

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.

Compensation Overview

From 2024 IRS filing

Sandra Niles — Trustee: $330KSandra NilesTrustee$330KJulia Krapf — Trustee: $330KJulia KrapfTrustee$330K

The highest reported compensation on the 2024 filing was $330K, to Sandra Niles (Trustee). 2 officers or directors reported compensation on that filing.

Frequently asked questions about Manton Foundation

How much does Manton Foundation give each year?

Manton Foundation gave $32.9M across 75 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $32.6M across 62 grants.

What is Manton Foundation's typical grant size?

Manton Foundation's median grant in 2024 was $199,000, and its average grant was $439,258, across 75 grants on its 2024 IRS Form 990-PF.

Where does Manton Foundation give grants?

Manton Foundation gives mostly in Massachusetts: 72% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Connecticut (7%) and Maine (6%). The most frequent recipient cities were Boston, MA (12 grants), Westport, MA (10 grants), New Bedford, MA (8 grants) and New York, NY (5 grants).

Does Manton Foundation give general operating support?

Occasionally: 9% of Manton Foundation's 2024 grants with a stated purpose (7 of 75) were for general or operating support, per its 2024 IRS Form 990-PF. Recurring purposes include "For Flood Relief" (3 grants) and "For Debt Relief" (3 grants).

Who are Manton Foundation's largest grantees?

Manton Foundation's largest 2024 grantees include Massachusetts Institute of Technology ($2,614,517), Tufts University ($2,300,000) and The Livestock Institute of Southern New England ($2,116,502 across 4 grants), according to its 2024 IRS Form 990-PF. It also paid 1 grant to individuals ($3,000,000), which are not listed by name. Together they received 21% of its itemized 2024 grant dollars.

How large is Manton Foundation?

Manton Foundation reported $691.6M in total assets on its 2024 IRS Form 990-PF. It paid out $34.5M in qualifying distributions that year, against a required minimum of $32.8M (roughly 5% of its investment assets).

What does Manton Foundation fund?

No foundation mission is stated. The 2024 grants show support for a range of organizations and projects. For example, MIT received a grant for its Center for Gynepathology Research; St. See mission & focus areas ↑

How do I apply for a grant from Manton 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 Manton Foundation's EIN?

Manton Foundation's EIN (Employer Identification Number) is 13-3636372. IRS Form 990 filing data is available on this page for 2020–2024.

Does Manton 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

(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). Manton Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/manton-foundation-morg_c03a5c6e7af6425fb08fc08f6ffe6eb1

BibTeX
@misc{grantable_133636372_2026,
  author       = {{Grantable}},
  title        = {{Manton Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/manton-foundation-morg_c03a5c6e7af6425fb08fc08f6ffe6eb1},
  note         = {Accessed 2026-10-15. 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 Manton 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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