Peninsula Endowment
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.
Peninsula Endowment at a glance
In short: Peninsula Endowment gave $175K across 4 grants in 2026 (avg $44K), mostly in California. Source: 2026 IRS Form 990-PF.
- Annual giving (2026)
- $175,000
- +30.0% vs 2025
- Grants made (2026)
- 4
- +0.0% vs 2025
- Average grant
- $43,750
- +30.0% vs 2025
- Median grant
- $47,500
- Total assets
- $3,114,611
- +12.5% vs 2025
- Primary geography
- California (71% of itemized 2026 grant dollars)
- Latest 990 filing
- Form 990-PF, 2026 View filing
Data from IRS Form 990-PF, 2026; updated September 2026.
Who Peninsula Endowment funds
How this funder distributes its grants
Top Recipients
Top 3 recipients in 2026
The largest 2026 recipient was Beneficent Technology Inc ($50K). Together the top 3 received $125K.
Organizations only. It also paid 1 grant to individuals ($50,000), which are not listed by name.
Grant Size Distribution
15 grants across all recorded years
The most common grant size was under $50K: 11 grants of 15 (73%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2026 grant dollars across all 4 itemized grants.
States
Cities
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.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2023 to 2026, annual grant giving ranged from $94K (2023) to $175K (2026). In 2026 it made 4 grants totaling $175K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Beneficent Technology Inc Palo Alto, CA | Fund innovation grant program award. | $50,000 |
| 1 grant to individuals Recipients not named | — | $50,000 |
| Society for the Blind Sacramento, CA | Fund innovation grant program award. | $45,000 |
| Asian Art Museum San Francisco, CA | Fund innovation grant program award. | $30,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2026 | $3,114,611 | $169,187 | $179,154 | $175,000 | 4 | $178,973 | $73,214 | $140,725 |
| 2025 | $2,769,166 | $207,262 | $136,519 | $134,661 | 4 | $136,438 | $97,918 | $130,645 |
| 2024 | $2,646,801 | $99,087 | $109,601 | $100,000 | 4 | $100,000 | $89,942 | $121,310 |
| 2023 | $2,425,924 | $537,459 | $96,012 | $94,400 | 3 | $96,012 | $535,928 | $103,120 |
| 2022 | $2,523,242 | $532,274 | $1,545,111 | — | — | $1,545,111 | — | $140,079 |
| 2021 | $4,249,839 | $363,205 | $120,707 | — | — | — | $344,444 | $186,527 |
| 2020 | $3,519,301 | $146,905 | $67,206 | — | — | — | $133,733 | $166,608 |
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.
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.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2026 (received by the IRS July 15, 2026)
- IRS filings on file for fiscal years 2020–2025
Other open foundation grants in California
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Peninsula Endowment down — hundreds of funders to go?