Blackwing Foundation Inc

Private foundation · Grantmaker Stockton, CA EIN: 46-1631271

Blackwing Foundation Inc is a private foundation focused on Education, based in Stockton, CA. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $1.2M in total assets. In 2025, it awarded 3 grants totaling $27K. Net investment income was $195K.

Blackwing Foundation Inc at a glance

In short: Blackwing Foundation Inc gave $27K across 3 grants in 2025 (avg $9K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$26,676
+2.7% vs 2024
Grants made (2025)
3
-25.0% vs 2024
Average grant
$8,892
+36.9% vs 2024
Median grant
$8,700
Total assets
$1,181,873
+21.0% vs 2024
Primary geography
California (67% 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 Blackwing Foundation Inc funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

Music Will: $15KMusic Will$15KHousatonic Heritage: $9KHousatonic Heritage$9KSan Joaquin County Office of Education: $3KSan Joaquin County Office ofEducation$3K

The largest 2025 recipient was Music Will ($15K). Together the top 3 received $27K.

Grant Size Distribution

19 grants across all recorded years

19<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 19 grants of 19 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

3states

Share of 2025 grant dollars across all 3 itemized grants.

Cities

StocktonSaliburyVeronaCovinaLeonardoSan FranciscoWestlake Village

How Blackwing Foundation Inc gives

  • Giving fell 51% from 2022 to 2025. Method
  • In 2025 it paid out 299% of its IRS minimum distribution (the 5% rule). 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$60K3 grants2020 4 grants2021 3 grants2022 5 grants2023 4 grants2024 3 grants2025

From 2020 to 2025, annual grant giving ranged from $26K (2024) to $54K (2022). In 2025 it made 3 grants totaling $27K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Music Will Covina, CAGeneral Support$15,000
Housatonic Heritage Salibury, CTGeneral Support$8,700
San Joaquin County Office of Education Stockton, CAEducational Materials$2,976
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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$1,181,873$443,541$187,641$26,6763$141,545$194,820$47,326
2024$977,102$304,902$159,949$25,9764$120,146$76,550$40,895
2023$803,116$169,490$109,161$44,6555$44,655$19,198$35,560
2022$698,590$39,614$62,864$54,2643$54,264$6,758$34,640
2021$773,373$117,520$55,000$45,6264$45,626$8,689$33,251
2020$640,215$72,390$49,111$35,6763—$14,919$26,595

Under IRS private-foundation payout rules, Blackwing Foundation Inc reported a distributable amount of $47K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Blackwing Foundation Inc is led by Charles P. Berolzheimer, President on every filing since 2020; none of the 3 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Charles P. Berolzheimer

    President

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Ginger D. Berolzheimer

    Secretary Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Courtney Berolzheimer

    Treasurer

    On filings since 2020

    2 hrs/week

    No compensation reported

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 Blackwing Foundation Inc

How much does Blackwing Foundation Inc give each year?

Blackwing Foundation Inc gave $27K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $26K across 4 grants.

What is Blackwing Foundation Inc's typical grant size?

Blackwing Foundation Inc's median grant in 2025 was $8,700, and its average grant was $8,892, across 3 grants on its 2025 IRS Form 990-PF.

Where does Blackwing Foundation Inc give grants?

Blackwing Foundation Inc gives mostly in California: 67% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was Connecticut (33%).

Does Blackwing Foundation Inc give general operating support?

Yes: 67% of Blackwing Foundation Inc's 2025 grants with a stated purpose (2 of 3) were for general or operating support, per its 2025 IRS Form 990-PF.

How large is Blackwing Foundation Inc?

Blackwing Foundation Inc reported $1.2M in total assets on its 2025 IRS Form 990-PF. It paid out $142K in qualifying distributions that year, against a required minimum of $47K (roughly 5% of its investment assets).

What is Blackwing Foundation Inc?

Blackwing Foundation Inc is a private foundation focused on Education, based in Stockton, CA. It holds $1.2M in total assets as of 2025.

What is Blackwing Foundation Inc's EIN?

Blackwing Foundation Inc's EIN (Employer Identification Number) is 46-1631271. IRS Form 990 filing data is available on this page for 2020–2025.

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

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS August 5, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS June 22, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 15, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 15, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS April 30, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 4, 2026)
  7. IRS filings on file for fiscal years 2020–2024

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

Figures come from Blackwing Foundation Inc'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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