Oberweis Foundation

Private foundation · Grantmaker Bonita Springs, FL EIN: 36-3521911
Agriculturefishing and forestrySports and recreationHuman services

The Oberweis Foundation is a private foundation based in Bonita Springs, Florida. Its 2025 filing lists contributions to charitable organizations in Florida, Illinois, and Arizona.

Oberweis Foundation at a glance

In short: Oberweis Foundation gave $99K across 13 grants in 2025 (avg $8K), mostly in Florida. 69% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$98,520
+30.4% vs 2024
Grants made (2025)
13
-13.3% vs 2024
Average grant
$7,578
+50.5% vs 2024
Median grant
$2,000
Total assets
$2,393,563
+19.1% vs 2024
New grantees (estimate)
69% first-time grantees (9 of 13, 2025; small sample)
Primary geography
Florida (56% 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 Oberweis Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations.

Contact

Mailing address: 4991 Bonita Bay Blvd Unit 2702, Bonita Springs, FL 34134
Phone: (239) 913-7100

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

Who Oberweis Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Wonder Gadens: $40KWonder Gadens$40KUniversity of Illinois: $20KUniversity of Illinois$20KProject Hood: $10KProject Hood$10KTurning Point USA: $10KTurning Point USA$10KMens Club of Collier County Found: $8KMens Club of Collier CountyFound$8KOne Nation Under God Foundation: $3KOne Nation Under GodFoundation$3KHarry Chapin Food Bank: $2KHarry Chapin Food Bank$2KNew Life Dream Centers: $2KNew Life Dream Centers$2KEstero Chamber of Commerce: $2KEstero Chamber of Commerce$2KMobilize: $1KMobilize$1K

The largest 2025 recipient was Wonder Gadens ($40K). Together the top 10 received $97K.

Grant Size Distribution

44 grants across all recorded years

42<$50K$50–100K2$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 42 grants of 44 (95%).

Geographic Focus

Where this funder awards grants

In 2025, 56% of grant dollars went to recipients in Florida, 33% to recipients in Illinois, and 10% to recipients in Arizona.

Grant Distribution by State

9states

Share of 2025 grant dollars across all 13 itemized grants.

Cities

AuroraNaplesBonita SpringsChicagoChampaignFort MyersPhoenixSugar GroveAlexandriaArlingtonDowners GroveEdwardsvilleEsteroEvanstonFort LauderdaleGalesburgGlenviewLemontLos AltosMiami

Is Oberweis Foundation open to new grantees?

69%

first-time grantees, 2025

In 2025, 9 of 13 grantees (69%) 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 $6K; repeat grants $11K. How we count

Medians: $2K first-time, $10K repeat.

  • 8% of 2025 grantees were also funded in 2024. Method
  • In 2025 it paid out 8% 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 (2020–2025). 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$50K$100K$150K12 grants2020 11 grants2021 0 grants2022 5 grants2023 15 grants2024 13 grants2025

From 2020 to 2025, annual grant giving ranged from $70K (2020) to $140K (2021). In 2025 it made 13 grants totaling $99K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Wonder Gadens Bonita Springs, FLContribution$40,000
University of Illinois Champaign, ILContribution$20,000
Project Hood Chicago, ILContribution$10,000
Turning Point USA Phoenix, AZContribution$10,000
Mens Club of Collier County Found Naples, FLContribution$7,500
One Nation Under God Foundation Naperville, ILContribution$3,000
Harry Chapin Food Bank Naples, FLContribution$2,000
New Life Dream Centers Fort Myers, FLContribution$2,000
Estero Chamber of Commerce Estero, FLContribution$1,500
Mobilize Orlando, FLContribution$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$2,393,563$565,836$182,737$98,52013$8,931$151,812$108,323
2024$2,010,464$357,299$85,278$75,52515$77,525$19,171$84,089
2023$1,738,443$95,980$126,215$123,0005$124,215$247$67,926
2022$1,768,678$168,624$152,343———$16,879$69,183
2021$1,747,897$735,924$149,733$139,50011$139,525$4,665$84,164
2020$1,161,706$3,905$80,279$69,90012——$58,143

Under IRS private-foundation payout rules, Oberweis Foundation reported a distributable amount of $108K 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 went to the organizations listed above. The Estero Chamber of Commerce describes its mission as promoting responsible economic, business, and cultural development; that is the grantee’s stated mission, not the foundation’s.

Grantmaking

In filing year 2025, the foundation reported 13 grants totaling $98,520. Grant amounts ranged from $500 to $40,000, with a median of $2,000. The largest listed contributions were $40,000 to Wonder Gadens in Bonita Springs, Florida; $20,000 to the University of Illinois in Champaign, Illinois; and $10,000 each to Project Hood in Chicago, Illinois, and Turning Point USA in Phoenix, Arizona.

Other listed 2025 contributions included $7,500 to Mens Club of Collier County Found; $3,000 to One Nation Under God Foundation; $2,000 each to Harry Chapin Food Bank and New Life Dream Centers; $1,500 to Estero Chamber of Commerce; $1,000 to Mobilize; and $520 to 4Kids. The filing also lists a $500 contribution to Florida Lions Eye Clinc.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Jim Oberweis as president, Julie Oberweis as secretary, and Julie Oberweis as treasurer.

Oberweis Foundation is led by Jim Oberweis, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Jim Oberweis

    President

    On filings since 2020

    No compensation reported

  • Julie Oberweis Secretary

    Secretary

    On filings since 2022

    No compensation reported

  • Julie Oberweis Treasurer

    Treasurer

    New on the 2025 filing

    No compensation reported

Former officers (5)
  • Former: James Oberweis Director (2022–2024) — Director
  • Former: Joe Oberweis Treasurer (2022–2024) — Treasurer
  • Former: James Oberweis (2020–2021) — Director
  • Former: Joe Oberweis (2020–2021) — Treasurer
  • Former: Julie Oberweis (2020–2021) — Secretary

Data from IRS Form 990 filings, 2020–2025. "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 Oberweis Foundation

How much does Oberweis Foundation give each year?

Oberweis Foundation gave $99K across 13 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $76K across 15 grants.

What is Oberweis Foundation's typical grant size?

Oberweis Foundation's median grant in 2025 was $2,000, and its average grant was $7,578, across 13 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Oberweis Foundation that year got $6K on average.

Where does Oberweis Foundation give grants?

Oberweis Foundation gives mostly in Florida: 56% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were Illinois (33%) and Arizona (10%). The most frequent recipient cities were Naples, FL (3 grants) and Bonita Springs, FL (2 grants).

Does Oberweis Foundation give general operating support?

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

Who are Oberweis Foundation's largest grantees?

Oberweis Foundation's largest 2025 grantees include Wonder Gadens ($40,000), University of Illinois ($20,000) and Project Hood ($10,000), according to its 2025 IRS Form 990-PF. Together they received 71% of its itemized 2025 grant dollars.

How large is Oberweis Foundation?

Oberweis Foundation reported $2.4M in total assets on its 2025 IRS Form 990-PF. It paid out $9K in qualifying distributions that year, against a required minimum of $108K (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 Oberweis Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants went to the organizations listed above. The Estero Chamber of Commerce describes its mission as promoting responsible economic, business, and cultural development; that is the grantee’s stated mission, not the foundation’s. See mission & focus areas ↑

How do I apply for a grant from Oberweis Foundation?

The foundation does not accept unsolicited requests for funds and states that it contributes only to preselected charitable organizations. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Oberweis Foundation's EIN?

Oberweis Foundation's EIN (Employer Identification Number) is 36-3521911. IRS Form 990 filing data is available on this page for 2020–2025.

Does Oberweis 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

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS July 14, 2026)
  2. IRS filings on file for fiscal years 2020–2024

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Cite this profile

Grantable. (2026). Oberweis Foundation funder profile. GrantGraph. Retrieved October 15, 2026, from https://grantable.co/funders/oberweis-foundation-morg_1b137c1e2acf48808678c45ddea7af78

BibTeX
@misc{grantable_363521911_2026,
  author       = {{Grantable}},
  title        = {{Oberweis Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/oberweis-foundation-morg_1b137c1e2acf48808678c45ddea7af78},
  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 Oberweis 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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