Siepmann Foundation

Private foundation · Grantmaker Las Vegas, NV EIN: 47-2489518

Siepmann Foundation is a private foundation, based in Las Vegas, NV. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $351K in total assets. In 2025, it awarded 2 grants totaling $46K. Net investment income was $20K.

Siepmann Foundation at a glance

In short: Siepmann Foundation gave $46K across 2 grants in 2025 (avg $23K), mostly in California. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$45,661
+14.2% vs 2024
Grants made (2025)
2
+100.0% vs 2024
Average grant
$22,831
-42.9% vs 2024
Median grant
$22,831
Total assets
$350,605
+2.9% vs 2024
Primary geography
California (79% 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 Siepmann Foundation funds

How this funder distributes its grants

Top Recipients

Top 2 recipients in 2025

Buddhist Tzu Chi Foundation: $36KBuddhist Tzu Chi Foundation$36KHualien Tzu Chi Hospital Taiwan: $10KHualien Tzu Chi HospitalTaiwan$10K

The largest 2025 recipient was Buddhist Tzu Chi Foundation ($36K). Together the top 2 received $46K.

Grant Size Distribution

18 grants across all recorded years

13<$50K2$50–100K3$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 13 grants of 18 (72%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2025 grant dollars across all 2 itemized grants.

Cities

San JoseHanoverLos GatosSan FranciscoSaratoga

How Siepmann Foundation gives

  • Giving fell 75% from 2022 to 2025. Method
  • In 2025 it paid out 259% 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$100K$200K$300K10 grants2020 8 grants2021 4 grants2022 3 grants2023 1 grant2024 2 grants2025

From 2020 to 2025, annual grant giving ranged from $40K (2024) to $218K (2021). In 2025 it made 2 grants totaling $46K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Buddhist Tzu Chi Foundation San Jose, CADisaster Relief,Charity andDevelopment Work$36,000
Hualien Tzu Chi Hospital Taiwan Support of medical work,disaster reliefand charity$9,661
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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$350,605$12,672$52,168$45,6612$45,661$19,723$17,617
2024$340,604$146,591$46,038$40,0001$40,000$7,093$16,481
2023$362,320$56,078$166,505$162,8003$162,800$96,265$21,159
2022$394,987$54,337$185,358$181,0004$181,000$102,445$24,263
2021$753,128$86,854$224,086$217,9008$217,900$122,657$40,758
2020$848,355$-832$207,506$201,60010—$62,462$34,381

Under IRS private-foundation payout rules, Siepmann Foundation reported a distributable amount of $18K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Siepmann Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Juergen Buchsteiner

    Director

    On filings since 2020

    2 hrs/week

    No compensation reported

  • Meifang Buchsteiner

    Director

    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 Siepmann Foundation

How much does Siepmann Foundation give each year?

Siepmann Foundation gave $46K across 2 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $40K across 1 grant.

How large is Siepmann Foundation?

Siepmann Foundation reported $351K in total assets on its 2025 IRS Form 990-PF. It paid out $46K in qualifying distributions that year, against a required minimum of $18K (roughly 5% of its investment assets).

Where does Siepmann Foundation operate?

Siepmann Foundation has awarded grants in California, New Hampshire.

What is Siepmann Foundation's EIN?

Siepmann Foundation's EIN (Employer Identification Number) is 47-2489518. 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 November 9, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS November 10, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS November 13, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS November 12, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS October 27, 2025)
  6. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 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 Siepmann 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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