Peninsula Endowment

Private foundation · Grantmaker Mountain View, CA EIN: 94-6187637

Peninsula Endowment is a private foundation, based in Mountain View, CA. IRS filing data is available from 2020 through 2026. As of 2026, the organization holds $3.1M in total assets. In 2026, it awarded 4 grants totaling $175K. Net investment income was $73K.

Key facts about Peninsula Endowment

In short: Peninsula Endowment gave $175K across 4 grants in 2026 (avg $44K), mostly in California. Source: 2026 IRS Form 990-PF.

EIN
94-6187637
Latest 990 filing
Form 990-PF, 2026
Annual giving (2026)
$175,000
Grants made (2026)
4
Average grant
$43,750
Median grant
$47,500
Total assets
$3,114,611
Primary geography
California (71% of itemized 2026 grant dollars)

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

Financial Overview

From 2026 IRS Form 990-PF · View filing

Total Assets

$3.1M

+12.5% YoY

Annual Giving

$175K

+30.0% YoY

Grant Count

4

+0.0% YoY

Avg Grant Size

$44K

+30.0% YoY

Under IRS private-foundation payout rules, Peninsula Endowment reported a distributable amount of $141K for 2026 — the minimum it must pay out in qualifying distributions.

How Peninsula Endowment gives

  • Giving grew 85% from 2023 to 2026. Method
  • In 2026 it paid out 127% of its IRS minimum distribution (the 5% rule). Method

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

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Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2026 grant dollars across all 4 itemized grants.

Cities

Palo AltoSacramentoSan FranciscoFresnoPalo AltaSanta RosaStanfordWichita

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K0 grants2020 0 grants2021 0 grants2022 3 grants2023 4 grants2024 4 grants2025 4 grants2026

From 2023 to 2026, annual grant giving ranged from $94K (2023) to $175K (2026). In 2026 it made 4 grants totaling $175K.

Grant Insights

How this funder distributes its grants

Top Recipients

Top 4 recipients in 2026

Beneficent Technology Inc: $50KBeneficent Technology Inc$50KWichita State University Foundation: $50KWichita State UniversityFoundation$50KSociety for the Blind: $45KSociety for the Blind$45KAsian Art Museum: $30KAsian Art Museum$30K

The largest 2026 recipient was Beneficent Technology Inc ($50K). Together the top 4 received $175K.

Grant Size Distribution

15 grants across all recorded years

11<$50K4$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 11 grants of 15 (73%).

Giving History

Grant recipients and amounts by year

RecipientPurposeAmount
Beneficent Technology Inc Palo Alto, CAFund innovation grant program award.$50,000
Wichita State University Foundation Wichita, KSFund innovation grant program award.$50,000
Society for the Blind Sacramento, CAFund innovation grant program award.$45,000
Asian Art Museum San Francisco, CAFund innovation grant program award.$30,000

Financial History

Multi-year comparison from IRS filings

Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$500K$1M$1.5M$2M2020 2021 2022 2023 2024 2025 2026
Metric202620252024
Total Assets$3,114,611$2,769,166$2,646,801
Revenue$169,187$207,262$99,087
Expenses$179,154$136,519$109,601
Qualifying Distributions$178,973$136,438$100,000
Net Investment Income$73,214$97,918$89,942
Distributable Amount$140,725$130,645$121,310

Data update history

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2026 (received by the IRS July 15, 2026)
  2. IRS filings on file for fiscal years 2020–2025

Leadership & Key People

Officers and directors from IRS filings

Peninsula Endowment is led by Walter T Raineri, Board President Corporate President since 2022 (on filings since 2020); none of the 9 officers listed in 2026 report compensation.

Officers on the 2026 filing

  • Walter T Raineri

    Board President Corporate President

    Director Only → Board President Corporate President, 2022

    On filings since 2020

    12 hrs/week

    No compensation reported

  • Fred C Kohler

    Board Member at Large

    President & Director → Board Member at Large, 2022

    On filings since 2020

    0.3 hrs/week

    No compensation reported

  • Barton W S Bassett

    Board Treasurer Corporate CFO

    On filings since 2022

    0.3 hrs/week

    No compensation reported

  • Gary Dunning

    Board Vice President Corporate Vice President

    On filings since 2022

    0.3 hrs/week

    No compensation reported

  • Alyah Thomas

    Board Member at Large

    On filings since 2023

    0.3 hrs/week

    No compensation reported

  • Jimi Gilroy

    Board Secretary

    On filings since 2023

    0.3 hrs/week

    No compensation reported

  • Michael Schwartz

    Board Member at Large

    On filings since 2023

    0.3 hrs/week

    No compensation reported

  • Elizabeth Kelly

    Board Member at Large

    On filings since 2025

    0.3 hrs/week

    No compensation reported

  • Kevin Chao

    Board Member

    New on the 2026 filing

    0.3 hrs/week

    No compensation reported

Former officers (4)
  • Former: C Edwin Vaughan PhD (2023) — Board Member at Large
  • Former: Anne Dunham (2020–2021) — Treasurer & Director
  • Former: Daniel Margulies (2020–2021) — Vice President & Director
  • Former: Todd Teixeira (2020–2021) — Member at Large of Board of Trustees

Data from IRS Form 990 filings, 2020–2026. "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 Peninsula Endowment

How much does Peninsula Endowment give each year?

Peninsula Endowment gave $175K across 4 grants in 2026, according to its 2026 IRS Form 990-PF. In 2025 it gave $135K across 4 grants.

What is Peninsula Endowment's typical grant size?

Peninsula Endowment's median grant in 2026 was $47,500, and its average grant was $43,750, across 4 grants on its 2026 IRS Form 990-PF.

Where does Peninsula Endowment give grants?

Peninsula Endowment gives mostly in California: 71% of the grant dollars itemized on its 2026 IRS Form 990-PF went to recipients there. The next largest state was Kansas (29%).

Does Peninsula Endowment give general operating support?

Not in 2026: none of the 4 grants with a stated purpose on Peninsula Endowment's 2026 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Fund innovation grant program award." (4 grants).

How large is Peninsula Endowment?

Peninsula Endowment reported $3.1M in total assets on its 2026 IRS Form 990-PF. It paid out $179K in qualifying distributions that year, against a required minimum of $141K (roughly 5% of its investment assets).

What is Peninsula Endowment's EIN?

Peninsula Endowment's EIN (Employer Identification Number) is 94-6187637. IRS Form 990 filing data is available on this page for 2020–2026.

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

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