TSOI DUG Foundation

Private foundation · Grantmaker Walnut Creek, CA EIN: 91-2167383

TSOI DUG Foundation is a private foundation focused on Arts, Culture & Humanities, based in Walnut Creek, CA. IRS filing data is available from 2020 through 2024. As of 2024, the organization holds $105K in total assets. In 2024, it awarded 9 grants totaling $5K. Net investment income was $3K.

TSOI DUG Foundation at a glance

In short: TSOI DUG Foundation gave $5K across 9 grants in 2024 (avg $594.889), mostly in New York. Source: 2024 IRS Form 990-PF.

Annual giving (2024)
$5,354
-80.4% vs 2023
Grants made (2024)
9
-30.8% vs 2023
Average grant
$595
-71.7% vs 2023
Median grant
$200
Total assets
$105,105
+18.2% vs 2023
Primary geography
New York (52% of itemized 2024 grant dollars)
Latest 990 filing
Form 990-PF, 2024 View filing

Data from IRS Form 990-PF, 2024; updated September 2026.

Who TSOI DUG Foundation funds

How this funder distributes its grants

Top Recipients

Top 9 recipients in 2024

Medecins Sans Frontieres: $3KMedecins Sans Frontieres$3KSan Francisco Contemparium: $2KSan Francisco Contemparium$2KUniverstity of Alberta: $418Universtity of Alberta$418UNICEF: $200UNICEF$200Buddhist TZU Chi Foundation: $200Buddhist TZU Chi Foundation$200USA for Unhcr: $200USA for Unhcr$200Wikimedia Foundation Inc: $100Wikimedia Foundation Inc$100Salvation Army: $50Salvation Army$50Shin Shin Educational Foundation: $50Shin Shin EducationalFoundation$50

The largest 2024 recipient was Medecins Sans Frontieres ($3K). Together the top 9 received $5K.

Grant Size Distribution

59 grants across all recorded years

59<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 59 grants of 59 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

7states

Share of 2024 grant dollars across all 9 itemized grants.

Cities

New YorkSan FranciscoAlexandriaSan DimasAtlantaBostonOaklandSanta ClaraCambridgeWashingtonConcordSanfordPine Ridge

How TSOI DUG Foundation gives

  • Giving held roughly steady from 2021 to 2024 (+14%). Method
  • In 2024 it paid out 73% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. 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$10K$20K$30K12 grants2020 13 grants2021 12 grants2022 13 grants2023 9 grants2024

From 2020 to 2024, annual grant giving ranged from $4K (2022) to $27K (2023). In 2024 it made 9 grants totaling $5K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Medecins Sans Frontieres New York, NYeducation$2,600
San Francisco Contemparium San Francisco, CASupport$1,536
Universtity of Alberta Education$418
UNICEF New York, NYGlobal Initiatives$200
Buddhist TZU Chi Foundation San Dimas, CASpiritual Development$200
USA for Unhcr Washington, DCSupport$200
Wikimedia Foundation Inc San Francisco, CASupport$100
Salvation Army Alexandria, VAAssistance$50
Shin Shin Educational Foundation Santa Clara, CASupport$50
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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
2024$105,105$33,985$17,818$5,3549$14,925$3,144$20,460
2023$88,938$28,031$32,359$27,30013$27,300$773$13,120
2022$93,266$10,729$4,771$4,26912$4,269$530$13,843
2021$87,308$3,641$7,400$4,70613$4,706$442$17,092
2020$91,067$10,787$10,338$9,96112—$579$16,418

Under IRS private-foundation payout rules, TSOI DUG Foundation reported a distributable amount of $20K for 2024 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

TSOI DUG Foundation is led by Dennis Fong, President on every filing since 2020 — the only officer listed, and uncompensated.

Officers on the 2024 filing

  • Dennis Fong

    President

    On filings since 2020

    2 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2024. "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 TSOI DUG Foundation

How much does TSOI DUG Foundation give each year?

TSOI DUG Foundation gave $5K across 9 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $27K across 13 grants.

What is TSOI DUG Foundation's typical grant size?

TSOI DUG Foundation's median grant in 2024 was $200, and its average grant was $595, across 9 grants on its 2024 IRS Form 990-PF.

Where does TSOI DUG Foundation give grants?

TSOI DUG Foundation gives mostly in New York: 52% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest state was California (35%). The most frequent recipient cities were New York, NY (2 grants) and San Francisco, CA (2 grants).

Does TSOI DUG Foundation give general operating support?

Not in 2024: none of the 9 grants with a stated purpose on TSOI DUG Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Support" (4 grants).

Who are TSOI DUG Foundation's largest grantees?

TSOI DUG Foundation's largest 2024 grantees include Medecins Sans Frontieres ($2,600), San Francisco Contemparium ($1,536) and Universtity of Alberta ($418), according to its 2024 IRS Form 990-PF. Together they received 85% of its itemized 2024 grant dollars.

How large is TSOI DUG Foundation?

TSOI DUG Foundation reported $105K in total assets on its 2024 IRS Form 990-PF. It paid out $15K in qualifying distributions that year, against a required minimum of $20K (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 is TSOI DUG Foundation?

TSOI DUG Foundation is a private foundation focused on Arts, Culture & Humanities, based in Walnut Creek, CA. It holds $105K in total assets as of 2024.

What is TSOI DUG Foundation's EIN?

TSOI DUG Foundation's EIN (Employer Identification Number) is 91-2167383. IRS Form 990 filing data is available on this page for 2020–2024.

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 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 TSOI DUG 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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