The Patricia Warburg Cliff and Karl Von

Private foundation · Grantmaker Boston, MA EIN: 58-2677579

The Patricia Warburg Cliff and Karl Von is a private foundation based in Boston, Massachusetts. Its 2025 filing lists grants to charitable organizations, all with an unrestricted purpose.

The Patricia Warburg Cliff and Karl Von at a glance

In short: The Patricia Warburg Cliff and Karl Von gave $28K across 25 grants in 2025 (avg $1K), mostly in Massachusetts. 64% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$28,395
+151.3% vs 2024
Grants made (2025)
25
+92.3% vs 2024
Average grant
$1,136
+30.7% vs 2024
Median grant
$709
Total assets
$258,903
+14.0% vs 2024
New grantees (estimate)
64% first-time grantees (16 of 25, 2025)
Primary geography
Massachusetts (55% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to The Patricia Warburg Cliff and Karl Von

Accepts unsolicited proposals
No
How to Apply

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. The filing states that materials may be sent by mail or email and that awards have no restrictions.

Review Cycle
December 1.
Deadline
December 1.
Contact

Application contact: Karl Von Frieling
Mailing address: 76 Wareham St Unit 5C, Boston, MA 02118
Phone: (917) 873-9972

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

Who The Patricia Warburg Cliff and Karl Von funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

More Than Words: $5KMore Than Words$5KCommunity Solutions: $3KCommunity Solutions$3KBeacon Hill Village: $3KBeacon Hill Village$3KChild Mind Institute: $2KChild Mind Institute$2KChildmind Org: $2KChildmind Org$2KNational Alliance of Mental Illness: $2KNational Alliance of MentalIllness$2KCelebrity Series of Boston: $1KCelebrity Series of Boston$1KIndivisible Organization: $1KIndivisible Organization$1KUnited Farmworkers Foundation: $1KUnited Farmworkers Foundation$1KPine Street Inn: $1KPine Street Inn$1K

The largest 2025 recipient was More Than Words ($5K). Together the top 10 received $20K.

Grant Size Distribution

67 grants across all recorded years

67<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 67 grants of 67 (100%).

Geographic Focus

Where this funder awards grants

The foundation is based in Boston. In 2025, Massachusetts recipients received 55% of grant dollars, followed by recipients in New York (17%), Florida (9%), Washington, DC (7%), and Virginia (5%). The filing also lists grants to organizations in other states.

Grant Distribution by State

15states

Share of 2025 grant dollars across all 25 itemized grants.

Cities

New YorkBostonPortlandWashingtonMontgomeryBig SandyAmericusWadhingtonArlingtonGlenrockHempsteadKeeneLos AngelesSan FranciscoSarasotaVancouverAtlantaBedfordBerwynBrooklyn

Is The Patricia Warburg Cliff and Karl Von open to new grantees?

64%

first-time grantees, 2025

In 2025, 16 of 25 grantees (64%) were first-time recipients. First grants averaged $1K; repeat grants $1K. How we count

Medians: $383 first-time, $1K repeat.

  • 32% of 2025 grantees were also funded in 2024. Method
  • Giving grew 189% from 2022 to 2025. Method
  • In 2025 it paid out 239% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2019–2025). 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$10K$20K$30K15 grants2019 29 grants2020 11 grants2021 10 grants2022 8 grants2023 13 grants2024 25 grants2025

From 2019 to 2025, annual grant giving ranged from $7K (2021) to $28K (2025). In 2025 it made 25 grants totaling $28K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
More Than Words Boston, MAUnrestricted$5,000
Other Charitable Organizations Boston, MAUnrestricted$2,955
Community Solutions Sarasota, FLUnrestricted$2,500
Beacon Hill Village Boston, MAUnrestricted$2,500
Child Mind Institute New York, NYUnrestricted$2,000
Childmind Org New York, NYUnrestricted$2,000
National Alliance of Mental Illness Arlington, VAUnrestricted$1,500
Celebrity Series of Boston Boston, MAUnrestricted$1,250
Indivisible Organization Washington, DCUnrestricted$1,209
United Farmworkers Foundation Los Angeles, CAUnrestricted$1,000
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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
2025$258,903$62,542$30,759$28,39525$28,395$7,413$11,865
2024$227,120$8,968$11,359$11,30013$11,300$8,968$11,061
2023$236,794$5,475$10,957$9,0008$9,000$4,051$11,562
2022$234,993$2,524$16,625$9,83510$9,835$24$12,659
2021$249,094$150,025$7,808$6,50811$6,508$25$9,236
2020$106,877$15,033$27,565$24,85029—$33$6,011
2019$119,409$15,055$12,633$11,00815—$55$6,296

Under IRS private-foundation payout rules, The Patricia Warburg Cliff and Karl Von reported a distributable amount of $12K for 2025 — 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 grantees’ own descriptions illustrate the range of organizations supported: More Than Words says it empowers young people facing challenges including foster care, homelessness, or being out of school; Beacon Hill Village says it helps elders live in their own homes as they grow older; and the Child Mind Institute says it works with children and families facing mental health and learning disorders. Pine Street Inn describes its mission as ending homelessness, while World Central Kitchen says it provides meals in response to humanitarian, climate, and community crises.

Grantmaking

The foundation reported 25 grants totaling $28,395 in 2025, compared with 13 grants totaling $11,300 in 2024 and 8 grants totaling $9,000 in 2023. In 2025, grant amounts ranged from $100 to $5,000, with a median of $709. The largest grants included $5,000 to More Than Words, $2,955 to Other Charitable Organizations, $2,500 each to Community Solutions and Beacon Hill Village, and $2,000 each to Child Mind Institute and Childmind Org. The filing lists the grants as unrestricted.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Patricia Warburg Cliff as president and Karl von Frieling as vice president.

The Patricia Warburg Cliff and Karl Von is led by Patricia Warburg Cliff, President on every filing since 2019; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Patricia Warburg Cliff

    President

    On filings since 2019

    5 hrs/week

    No compensation reported

  • Karl Von Frieling

    Vice President

    On filings since 2019

    5 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2019–2025. "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 The Patricia Warburg Cliff and Karl Von

How much does The Patricia Warburg Cliff and Karl Von give each year?

The Patricia Warburg Cliff and Karl Von gave $28K across 25 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $11K across 13 grants.

What is The Patricia Warburg Cliff and Karl Von's typical grant size?

The Patricia Warburg Cliff and Karl Von's median grant in 2025 was $709, and its average grant was $1,136, across 25 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from The Patricia Warburg Cliff and Karl Von that year got $1K on average.

Where does The Patricia Warburg Cliff and Karl Von give grants?

The Patricia Warburg Cliff and Karl Von gives mostly in Massachusetts: 55% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (17%) and Florida (9%). The most frequent recipient cities were Boston, MA (12 grants), New York, NY (3 grants) and Washington, DC (2 grants).

Does The Patricia Warburg Cliff and Karl Von give general operating support?

Yes: 100% of The Patricia Warburg Cliff and Karl Von's 2025 grants with a stated purpose (25 of 25) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are The Patricia Warburg Cliff and Karl Von's largest grantees?

The Patricia Warburg Cliff and Karl Von's largest 2025 grantees include More Than Words ($5,000), Community Solutions ($2,500) and Beacon Hill Village ($2,500), according to its 2025 IRS Form 990-PF. Together they received 35% of its itemized 2025 grant dollars.

How large is The Patricia Warburg Cliff and Karl Von?

The Patricia Warburg Cliff and Karl Von reported $259K in total assets on its 2025 IRS Form 990-PF. It paid out $28K in qualifying distributions that year, against a required minimum of $12K (roughly 5% of its investment assets).

What does The Patricia Warburg Cliff and Karl Von fund?

No foundation mission is stated. See mission & focus areas ↑

How do I apply for a grant from The Patricia Warburg Cliff and Karl Von?

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 The Patricia Warburg Cliff and Karl Von's EIN?

The Patricia Warburg Cliff and Karl Von's EIN (Employer Identification Number) is 58-2677579. IRS Form 990 filing data is available on this page for 2019–2025.

Does The Patricia Warburg Cliff and Karl Von 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-PF filings. Research dossier generated September 2026.

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2024 (received by the IRS May 6, 2025)
  2. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 30, 2026)
  3. Added Form 990-PF for fiscal year 2019 (received by the IRS June 11, 2020)
  4. Updated Form 990-PF for fiscal year 2020 (received by the IRS May 6, 2021)
  5. Updated Form 990-PF for fiscal year 2021 (received by the IRS March 29, 2022)
  6. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
  7. Updated Form 990-PF for fiscal year 2023 (received by the IRS July 30, 2024)

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from The Patricia Warburg Cliff and Karl Von'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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