Diane and Brent Rosenthal

Private foundation · Grantmaker Sioux City, IA EIN: 27-0110398

Diane and Brent Rosenthal is a private foundation based in Sioux City, Iowa. It awarded 13 grants totaling $50,649 in filing year 2025, supporting charitable organizations in Iowa and several other states.

Diane and Brent Rosenthal at a glance

In short: Diane and Brent Rosenthal gave $51K across 13 grants in 2025 (avg $4K), mostly in Iowa. 38% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$50,649
+60.6% vs 2024
Grants made (2025)
13
+0.0% vs 2024
Average grant
$3,896
+60.6% vs 2024
Median grant
$1,000
Total assets
$290,447
-3.2% vs 2024
New grantees (estimate)
38% first-time grantees (5 of 13, 2025; small sample)
Primary geography
Iowa (84% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

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

How to apply to Diane and Brent Rosenthal

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: 23 St George Place, Palm Beach Gardens, FL 33418
Phone: (712) 255-7943

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

Who Diane and Brent Rosenthal funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Congregation Beth Shalom: $41KCongregation Beth Shalom$41KInsight Through Education: $3KInsight Through Education$3KLustgarden Foundation Pancreatic Cancer Research: $1KLustgarden FoundationPancreatic Cancer Research$1KBreakthrough Tid: $1KBreakthrough Tid$1KJewish Community Center Minneapolis: $1KJewish Community CenterMinneapolis$1KIsrael Bridge: $1KIsrael Bridge$1KSanford Community Center: $1KSanford Community Center$1KJewish Family Services: $600Jewish Family Services$600Humane Society: $500Humane Society$500Childrens Burn Foundation of Florida Inc: $500Childrens Burn Foundation ofFlorida Inc$500

The largest 2025 recipient was Congregation Beth Shalom ($41K). Together the top 10 received $50K.

Grant Size Distribution

48 grants across all recorded years

48<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 48 grants of 48 (100%).

Geographic Focus

Where this funder awards grants

In filing year 2025, 84% of grant dollars went to recipients in Iowa, 8% to Florida, 4% to New York, 2% to Minnesota, and 1% to Colorado. The listed grants also included a $300 grant to Scripps Health Foundation in San Diego, California.

Grant Distribution by State

12states

Share of 2025 grant dollars across all 13 itemized grants.

Cities

Sioux CityPalm Beach GardensBaltimoreVermillionDenverSan DiegoLos AngelosMinneapolisNew YorkOrlandoPhiladelphiaProvidenceUniondaleVernon HillsVoorheesWest Des MoinesWest Palm Beach

Is Diane and Brent Rosenthal open to new grantees?

38%

first-time grantees, 2025

In 2025, 5 of 13 grantees (38%) were first-time recipients. With only 13 grantees, that is a small sample: one grantee more or less moves the share by about 8 points. First grants averaged $760; repeat grants $6K. How we count

Medians: $1K first-time, $800 repeat.

  • 54% of 2025 grantees were also funded in 2024. Method
  • Giving grew 203% from 2022 to 2025. Method
  • In 2025 it paid out 94% 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 (2021–2025). 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$20K$40K$60K5 grants2021 5 grants2022 12 grants2023 13 grants2024 13 grants2025

From 2021 to 2025, annual grant giving ranged from $17K (2022) to $51K (2025). In 2025 it made 13 grants totaling $51K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Congregation Beth Shalom Sioux City, IACharity$40,849
Insight Through Education Palm Beach Gardens, FLCharity$2,500
Lustgarden Foundation Pancreatic Cancer Research Uniondale, NYCharity$1,000
Breakthrough Tid New York, NYCharity$1,000
Jewish Community Center Minneapolis Minneapolis, MNCharity$1,000
Israel Bridge Palm Beach Gardens, FLCharity$1,000
Sanford Community Center Sioux City, IACharity$1,000
Jewish Family Services Denver, COCharity$600
Humane Society Sioux City, IACharity$500
Childrens Burn Foundation of Florida Inc Orlando, FLCharity$500
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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$290,447$44,847$52,007$50,64913$50,649$43,489$53,624
2024$300,092$38,292$31,823$31,54113$31,541$38,292$45,575
2023$291,133$98,323$21,421$21,24012$21,240$17,893$27,260
2022$214,231$13,029$16,741$16,7055$16,705$12,993$13,928
2021$217,943$-5,471$17,922$17,7415—$2,571$11,898

Under IRS private-foundation payout rules, Diane and Brent Rosenthal reported a distributable amount of $54K 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 mission statement for the foundation is provided. Its 2025 grants included support for a congregation, educational and community organizations, health-related causes, and other charities. For example, Insight Through Education describes its mission as using lessons from the Holocaust and genocides to promote kindness, acceptance, and respect and to oppose antisemitism, hatred, and bigotry. The Foundation Fighting Blindness Retinal Degeneration Fund describes its mission as accelerating the translation of retinal research into clinical trials and patient therapies.

Grantmaking

In filing year 2025, the foundation gave $50,649 through 13 grants. Grant amounts ranged from $100 to $40,849, with a median grant of $1,000.

The largest 2025 grant was $40,849 to Congregation Beth Shalom in Sioux City, Iowa. Other notable grants included $2,500 to Insight Through Education in Palm Beach Gardens, Florida; $1,000 each to Lustgarten Foundation Pancreatic Cancer Research, Breakthrough TID, Jewish Community Center Minneapolis, Israel Bridge, and Sanford Community Center; and $600 to Jewish Family Services in Denver. The foundation also gave $100 to the Foundation Fighting Blindness in 2025.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Brent Rosenthal as president and secretary and Diane Rosenthal as vice-president and treasurer.

Diane and Brent Rosenthal is led by Brent Rosenthal, President & Secretary on every filing since 2021; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Brent Rosenthal

    President & Secretary

    On filings since 2021

    No compensation reported

  • Diane Rosenthal

    Vice President & Treasurer

    On filings since 2021

    No compensation reported

Data from IRS Form 990 filings, 2021–2025. "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 Diane and Brent Rosenthal

How much does Diane and Brent Rosenthal give each year?

Diane and Brent Rosenthal gave $51K across 13 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $32K across 13 grants.

What is Diane and Brent Rosenthal's typical grant size?

Diane and Brent Rosenthal's median grant in 2025 was $1,000, and its average grant was $3,896, across 13 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Diane and Brent Rosenthal that year got $760 on average.

Where does Diane and Brent Rosenthal give grants?

Diane and Brent Rosenthal gives mostly in Iowa: 84% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Florida (8%). The most frequent recipient cities were Sioux City, IA (4 grants) and Palm Beach Gardens, FL (2 grants).

Does Diane and Brent Rosenthal give general operating support?

Not in 2025: none of the 13 grants with a stated purpose on Diane and Brent Rosenthal's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charity" (13 grants).

Who are Diane and Brent Rosenthal's largest grantees?

Diane and Brent Rosenthal's largest 2025 grantees include Congregation Beth Shalom ($40,849), Insight Through Education ($2,500) and Lustgarden Foundation Pancreatic Cancer Research ($1,000), according to its 2025 IRS Form 990-PF. Together they received 88% of its itemized 2025 grant dollars.

How large is Diane and Brent Rosenthal?

Diane and Brent Rosenthal reported $290K in total assets on its 2025 IRS Form 990-PF. It paid out $51K in qualifying distributions that year, against a required minimum of $54K (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 Diane and Brent Rosenthal fund?

No mission statement for the foundation is provided. Its 2025 grants included support for a congregation, educational and community organizations, health-related causes, and other charities. See mission & focus areas ↑

How do I apply for a grant from Diane and Brent Rosenthal?

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 Diane and Brent Rosenthal's EIN?

Diane and Brent Rosenthal's EIN (Employer Identification Number) is 27-0110398. IRS Form 990 filing data is available on this page for 2021–2025.

Does Diane and Brent Rosenthal 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

(6)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2021 (received by the IRS February 11, 2022)
  2. Updated Form 990-PF for fiscal year 2022 (received by the IRS February 23, 2023)
  3. Updated Form 990-PF for fiscal year 2023 (received by the IRS February 1, 2024)
  4. Updated Form 990-PF for fiscal year 2024 (received by the IRS January 30, 2025)
  5. Updated Form 990-PF for fiscal year 2025 (received by the IRS February 5, 2026)
  6. IRS filings on file for fiscal years 2021–2025

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Cite this profile

Grantable. (2026). Diane and Brent Rosenthal funder profile. GrantGraph. Retrieved October 21, 2026, from https://grantable.co/funders/diane-and-brent-rosenthal-morg_9cc6d62ed29f4c43ab8105037d487235

BibTeX
@misc{grantable_270110398_2026,
  author       = {{Grantable}},
  title        = {{Diane and Brent Rosenthal funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/diane-and-brent-rosenthal-morg_9cc6d62ed29f4c43ab8105037d487235},
  note         = {Accessed 2026-10-21. 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 Diane and Brent Rosenthal'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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