Marc and Laura Andreessen Foundation
Marc and Laura Andreessen Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Palo Alto, CA. IRS filing data is available from 2021 through 2024. In 2024, it awarded 1 grant totaling $15K.
Key facts about Marc and Laura Andreessen Foundation
- EIN
- 45-2523468
- Latest 990 filing
- Form 990-PF, 2024
- Annual giving (2024)
- $15,000
- Grants made (2024)
- 1
- Average grant
- $15,000
- Median grant
- $15,000
- Primary geography
- California (100% of itemized 2024 grant dollars)
Data from IRS Form 990-PF, 2024; updated September 2026.
How Marc and Laura Andreessen Foundation gives
- Giving fell 25% from 2021 to 2024. Method
From the foundation's IRS Form 990-PF filings. Methodology.
Next steps with Marc and Laura Andreessen Foundation
- How to evaluate Marc and Laura Andreessen Foundation as a funder
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Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
—
Annual Giving
$15K
Grant Count
1
Avg Grant Size
$15K
About Marc and Laura Andreessen Foundation
Based on IRS filings
Marc and Laura Andreessen Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Palo Alto, CA. IRS filing data is available from 2021 through 2024. In 2024, it awarded 1 grant totaling $15K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of all 1 itemized 2024 grant dollars.
States
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | — | — | — |
| Revenue | — | — | — |
| Expenses | — | — | — |
| Qualifying Distributions | — | — | — |
| Net Investment Income | — | — | — |
| Distributable Amount | — | — | — |
Data update history
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal years 2021–2024
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 1 recipients in 2024
Grant Size Distribution
3 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest recipients include Silicon Valley Social Venture Fund ($15,000).
| Recipient | Purpose | Amount |
|---|---|---|
| SILICON VALLEY SOCIAL VENTURE FUND Los Altos, CA | EDUCATION AND PROMOTION OF PHILANTHROPY | $15,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
No officer or director reported compensation in the available filings.
From 2024 IRS filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| Laura Arrillaga-Andreessen | Director/President | 2 | — |
| Marc L Andreessen | Director/Secretary/Treasur | 1 | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Marc and Laura Andreessen Foundation?
Marc and Laura Andreessen Foundation is a nonprofit organization focused on Philanthropy, Voluntarism & Grantmaking, based in Palo Alto, CA. It holds — in total assets as of 2024.
Where does Marc and Laura Andreessen Foundation operate?
Marc and Laura Andreessen Foundation has awarded grants in California.
What size grants does Marc and Laura Andreessen Foundation award?
In 2024, Marc and Laura Andreessen Foundation awarded 1 grant totaling $15K — an average of about $15K per grant, based on its IRS Form 990 filings.
What is Marc and Laura Andreessen Foundation's EIN?
Marc and Laura Andreessen Foundation's EIN (Employer Identification Number) is 45-2523468. IRS Form 990 filing data is available on this page for 2021–2024.
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Data last updated September 2026. Sourced from IRS Form 990-PF filings.