Peter and Anna Kolchinsky Foundation

Private foundation · Grantmaker Portsmouth, NH EIN: 85-4079895

The Peter and Anna Kolchinsky Foundation is a private foundation based in Portsmouth, New Hampshire. In 2024, it reported 12 grants totaling $3 million to charitable organizations, including organizations supporting education, housing and family services, and civic advocacy.

Peter and Anna Kolchinsky Foundation at a glance

In short: Peter and Anna Kolchinsky Foundation gave $3.0M across 12 grants in 2024 (avg $250K), mostly in Massachusetts. 58% of 2024 grantees were new. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$3,000,000
-2.5% vs 2023
Grants made (2024)
12
+9.1% vs 2023
Average grant
$250,000
-10.7% vs 2023
Median grant
$75,000
Total assets
$38,396,019
+42.9% vs 2023
New grantees (estimate)
58% first-time grantees (7 of 12, 2024; small sample)
Primary geography
Massachusetts (93% 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 Peter and Anna Kolchinsky 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: PO Box 540, Portsmouth, NH 03802
Phone: (603) 610-4100

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

Who Peter and Anna Kolchinsky Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

Representus Education Fund: $1.0MRepresentus Education Fund$1.0MNashoba Brooks School: $750KNashoba Brooks School$750KFamilyaid Boston: $400KFamilyaid Boston$400KWellesley College: $320KWellesley College$320KMassachusetts Society for the Prevention of Cruelty to Animals: $220KMassachusetts Society for thePrevention of Cruelty to…$220KThe USC Schaeffer Center: $100KThe USC Schaeffer Center$100KICU Baby Inc: $50KICU Baby Inc$50KMayday Medicine Inc: $50KMayday Medicine Inc$50KWelcomenst: $50KWelcomenst$50KWellspring House Inc: $25KWellspring House Inc$25K

The largest 2024 recipient was Representus Education Fund ($1.0M). Together the top 10 received $3.0M.

Grant Size Distribution

46 grants across all recorded years

14<$50K10$50–100K11$100–250K3$250–500K3$500K–1M5$1–5M$5M+

The most common grant size was under $50K: 14 grants of 46 (30%).

Geographic Focus

Where this funder awards grants

In 2024, 93% of grant dollars went to recipients in Massachusetts. California, Florida, and New York each received 3%, 2%, and 2%, respectively.

Grant Distribution by State

10states

Share of 2024 grant dollars across all 12 itemized grants.

Cities

BostonCarlisleFlorenceKey BiscayneConcordDenverJamaica PlainMarlboroughActonAndoverBryn MawrDallasFairfieldGloucesterLos AngelesManhattanMcLeanMedwayNew YorkNew York City

Is Peter and Anna Kolchinsky Foundation open to new grantees?

58%

first-time grantees, 2024

In 2024, 7 of 12 grantees (58%) 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 $138K; repeat grants $407K. How we count

Medians: $50K first-time, $220K repeat.

  • 33% of 2024 grantees were also funded in 2023. Method
  • Giving grew 66% from 2021 to 2024. Method
  • In 2024 it paid out 125% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2021–2024). 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$1M$2M$3M$4M0 grants2020 7 grants2021 16 grants2022 11 grants2023 12 grants2024

From 2021 to 2024, annual grant giving ranged from $1.8M (2021) to $3.1M (2023). In 2024 it made 12 grants totaling $3.0M.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Representus Education Fund Florence, MASupport for Campaign Accelerator$1,000,000
Nashoba Brooks School Concord, MASupport for Robotics Program$750,000
Familyaid Boston Boston, MAGeneral Operating Support$400,000
Wellesley College Wellesley, MAGeneral Operating Support$320,000
Massachusetts Society for the Prevention of Cruelty to Animals Boston, MASupport for Educational Expenses of Advocacy Department$220,000
The USC Schaeffer Center Los Angeles, CAGeneral Operating Support$100,000
ICU Baby Inc Key Biscayne, FLGeneral Operating Support$50,000
Mayday Medicine Inc Manhattan, NYGeneral Operating Support$50,000
Welcomenst Marlborough, MAGeneral Operating Support$50,000
Wellspring House Inc Gloucester, MAGeneral Operating Support$25,000
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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$38,396,019$14,971,910$3,447,007$3,000,00012$3,033,478$14,591,300$2,422,665
2023$26,871,116$2,424,190$3,427,364$3,078,00011$3,093,976$2,091,012$2,405,082
2022$27,874,290$-2,241,673$2,771,755$2,471,20016$2,504,994—$2,370,938
2021$32,887,718$6,933,856$3,421,268$1,805,0007$1,916,915$5,483,449$2,325,041
2020$29,375,130———————

Under IRS private-foundation payout rules, Peter and Anna Kolchinsky Foundation reported a distributable amount of $2.4M 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

The foundation’s filing describes its program as “interest from correction of inadvertent use of foundation by director”; it does not state a broader mission. Its 2024 grants included support for a campaign accelerator, a school robotics program, and educational expenses for an advocacy department, as well as general operating support for several organizations.

Grantees describe their own work in varied ways. FamilyAid Boston says it empowers parents and caregivers facing homelessness to secure housing and build foundations for their children’s futures. Wellesley College describes its mission as providing an excellent liberal arts education for women. Other 2024 recipients include organizations whose stated missions involve supporting NICU families, welcoming refugees and immigrants, helping families and adults achieve housing and financial security, preserving Martha’s Vineyard’s maritime culture, and providing orchestra training and performance opportunities for young musicians.

Grantmaking

In 2024, the foundation made 12 grants totaling $3,000,000. Grants ranged from $15,000 to $1,000,000, with a median of $75,000. The largest awards were $1,000,000 to RepresentUs Education Fund for campaign accelerator support, $750,000 to Nashoba Brooks School for its robotics program, $400,000 to FamilyAid Boston for general operating support, and $320,000 to Wellesley College for general operating support. Other grants included $220,000 to the Massachusetts Society for the Prevention of Cruelty to Animals for educational expenses of its advocacy department and $100,000 to the USC Schaeffer Center for general operating support.

Leadership & Key People

Leadership team and compensation from IRS filings

Peter Kolchinsky and Anna Kolchinsky are listed as directors.

Peter and Anna Kolchinsky Foundation's 2024 filing lists 2 officers; none of the 2 officers listed in 2024 report compensation.

Officers on the 2024 filing

  • Anna Kolchinsky

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

  • Peter Kolchinsky

    Director

    On filings since 2021

    1 hr/week

    No compensation reported

Data from IRS Form 990 filings, 2021–2024. "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 Peter and Anna Kolchinsky Foundation

How much does Peter and Anna Kolchinsky Foundation give each year?

Peter and Anna Kolchinsky Foundation gave $3.0M across 12 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $3.1M across 11 grants.

What is Peter and Anna Kolchinsky Foundation's typical grant size?

Peter and Anna Kolchinsky Foundation's median grant in 2024 was $75,000, and its average grant was $250,000, across 12 grants on its 2024 IRS Form 990-PF. Organizations receiving their first grant from Peter and Anna Kolchinsky Foundation that year got $138K on average.

Where does Peter and Anna Kolchinsky Foundation give grants?

Peter and Anna Kolchinsky Foundation gives mostly in Massachusetts: 93% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Boston, MA (3 grants).

Does Peter and Anna Kolchinsky Foundation give general operating support?

Yes: 75% of Peter and Anna Kolchinsky Foundation's 2024 grants with a stated purpose (9 of 12) were for general or operating support, per its 2024 IRS Form 990-PF.

Who are Peter and Anna Kolchinsky Foundation's largest grantees?

Peter and Anna Kolchinsky Foundation's largest 2024 grantees include Representus Education Fund ($1,000,000), Nashoba Brooks School ($750,000) and Familyaid Boston ($400,000), according to its 2024 IRS Form 990-PF. Together they received 72% of its itemized 2024 grant dollars.

How large is Peter and Anna Kolchinsky Foundation?

Peter and Anna Kolchinsky Foundation reported $38.4M in total assets on its 2024 IRS Form 990-PF. It paid out $3.0M in qualifying distributions that year, against a required minimum of $2.4M (roughly 5% of its investment assets).

What does Peter and Anna Kolchinsky Foundation fund?

The foundation’s filing describes its program as “interest from correction of inadvertent use of foundation by director”; it does not state a broader mission. See mission & focus areas ↑

How do I apply for a grant from Peter and Anna Kolchinsky 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 Peter and Anna Kolchinsky Foundation's EIN?

Peter and Anna Kolchinsky Foundation's EIN (Employer Identification Number) is 85-4079895. IRS Form 990 filing data is available on this page for 2020–2024.

Does Peter and Anna Kolchinsky 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). Peter and Anna Kolchinsky Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/peter-and-anna-kolchinsky-foundation-morg_2525225a9dbc44ab9502269e68eb396e

BibTeX
@misc{grantable_854079895_2026,
  author       = {{Grantable}},
  title        = {{Peter and Anna Kolchinsky Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/peter-and-anna-kolchinsky-foundation-morg_2525225a9dbc44ab9502269e68eb396e},
  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 Peter and Anna Kolchinsky 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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