Leo Lois & Jeremy a Rosenau Foundation

Private foundation · Grantmaker Huntingdon Valley, PA EIN: 23-6298132

Leo Lois & Jeremy a Rosenau Foundation is a private foundation, based in Huntingdon Valley, PA. IRS filing data is available from 2021 through 2025. In 2025, it awarded 5 grants totaling $49K. Net investment income was $478.

Leo Lois & Jeremy a Rosenau Foundation at a glance

In short: Leo Lois & Jeremy a Rosenau Foundation gave $49K across 5 grants in 2025 (avg $10K), mostly in Pennsylvania. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$48,740
+88.6% vs 2024
Grants made (2025)
5
+66.7% vs 2024
Average grant
$9,748
+13.2% vs 2024
Median grant
$12,740
Primary geography
Pennsylvania (100% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated September 2026.

Who Leo Lois & Jeremy a Rosenau Foundation funds

How this funder distributes its grants

Top Recipients

Top 5 recipients in 2025

Jefferson University: $15KJefferson University$15KJewish Federation: $15KJewish Federation$15KKeneseth Israel Synagogue: $13KKeneseth Israel Synagogue$13KJefferson Abington: $5KJefferson Abington$5KThe Weitzman National Museum: $1KThe Weitzman National Museum$1K

The largest 2025 recipient was Jefferson University ($15K). Together the top 5 received $49K.

Grant Size Distribution

24 grants across all recorded years

24<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 24 grants of 24 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2025 grant dollars across all 5 itemized grants.

Cities

PhiladelphiaElkins ParkAbingtonIthacaNew York

How Leo Lois & Jeremy a Rosenau Foundation gives

  • Giving grew 76% from 2022 to 2025. Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$20K$40K$60K6 grants2021 5 grants2022 5 grants2023 3 grants2024 5 grants2025

From 2021 to 2025, annual grant giving ranged from $23K (2023) to $49K (2025). In 2025 it made 5 grants totaling $49K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Jefferson University Philadelphia, PAEducation$15,000
Jewish Federation Philadelphia, PAReligious$15,000
Keneseth Israel Synagogue Elkins Park, PAReligious$12,740
Jefferson Abington Abington, PAEducation$5,000
The Weitzman National Museum Philadelphia, PAEducation$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 Income
2025—$18,641$49,829$48,7405$48,740$478
2024$31,662$14,575$26,740$25,8403$25,840$914
2023$43,844$15,668$24,125$23,3005$23,300$1,210
2022$52,321$18,301$28,477$27,6525$27,652$1,417
2021$62,517$33,705$28,800$28,0006—$1,461

Leadership & Key People

Officers and directors from IRS filings

Leo Lois & Jeremy a Rosenau Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Jeremy Rosenau

    Trustee

    On filings since 2021

    No compensation reported

  • Lois Rosenau

    Trustee

    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 Leo Lois & Jeremy a Rosenau Foundation

How much does Leo Lois & Jeremy a Rosenau Foundation give each year?

Leo Lois & Jeremy a Rosenau Foundation gave $49K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $26K across 3 grants.

What is Leo Lois & Jeremy a Rosenau Foundation's typical grant size?

Leo Lois & Jeremy a Rosenau Foundation's median grant in 2025 was $12,740, and its average grant was $9,748, across 5 grants on its 2025 IRS Form 990-PF.

Where does Leo Lois & Jeremy a Rosenau Foundation give grants?

Leo Lois & Jeremy a Rosenau Foundation gives mostly in Pennsylvania: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Philadelphia, PA (3 grants).

Does Leo Lois & Jeremy a Rosenau Foundation give general operating support?

Not in 2025: none of the 5 grants with a stated purpose on Leo Lois & Jeremy a Rosenau Foundation's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Education" (3 grants).

Who are Leo Lois & Jeremy a Rosenau Foundation's largest grantees?

Leo Lois & Jeremy a Rosenau Foundation's largest 2025 grantees include Jefferson University ($15,000), Jewish Federation ($15,000) and Keneseth Israel Synagogue ($12,740), according to its 2025 IRS Form 990-PF. Together they received 88% of its itemized 2025 grant dollars.

What is Leo Lois & Jeremy a Rosenau Foundation's EIN?

Leo Lois & Jeremy a Rosenau Foundation's EIN (Employer Identification Number) is 23-6298132. IRS Form 990 filing data is available on this page for 2021–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2021–2025

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

Figures come from Leo Lois & Jeremy a Rosenau 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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