Erasca Foundation

Private foundation · Grantmaker San Diego, CA EIN: 87-1300086

Erasca Foundation is a private foundation based in San Diego, California. Its 2025 filing reports $95,000 in grants to 10 organizations, with all listed grants designated for general operating support.

Erasca Foundation at a glance

In short: Erasca Foundation gave $95K across 10 grants in 2025 (avg $10K), mostly in California. 70% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$95,000
-54.8% vs 2024
Grants made (2025)
10
+11.1% vs 2024
Average grant
$9,500
-59.3% vs 2024
Median grant
$10,000
Total assets
$11,562,608
-10.4% vs 2024
New grantees (estimate)
70% first-time grantees (7 of 10, 2025; small sample)
Primary geography
California (88% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to Erasca Foundation

Accepts unsolicited proposals
No
How to Apply

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: 3115 Merryfield Row Suite 300, San Diego, CA 92121
Phone: (415) 421-7555

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who Erasca Foundation funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Life Science Cares Inc: $25KLife Science Cares Inc$25KFamily Health Centers of San Diego: $15KFamily Health Centers of SanDiego$15KMama's Kitchen: $15KMama's Kitchen$15KEvery Cure Inc: $10KEvery Cure Inc$10KBest Buddies International Inc: $10KBest Buddies International Inc$10KOmar's Dream Foundation: $10KOmar's Dream Foundation$10KSan Diego Coastkeeper: $5KSan Diego Coastkeeper$5KFoundation for the Children of the Californias: $3KFoundation for the Children ofthe Californias$3KLazarex Cancer Foundation: $2KLazarex Cancer Foundation$2KNational Brain Tumor Society: $1KNational Brain Tumor Society$1K

The largest 2025 recipient was Life Science Cares Inc ($25K). Together the top 10 received $95K.

Grant Size Distribution

26 grants across all recorded years

23<$50K2$50–100K$100–250K1$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 23 grants of 26 (88%).

Geographic Focus

Where this funder awards grants

In 2025, 88% of grant dollars went to recipients in California, 11% to recipients in New York, and 1% to recipients in Massachusetts.

Grant Distribution by State

5states

Share of 2025 grant dollars across all 10 itemized grants.

Cities

San DiegoNewtonPointe Vedra BeachSan JoseBostonChula VistaDanvilleEncinitasHalf Moon BayLa JollaNew YorkSaint PaulStanfordStaten Island

Is Erasca Foundation open to new grantees?

70%

first-time grantees, 2025

In 2025, 7 of 10 grantees (70%) were first-time recipients. With only 10 grantees, that is a small sample: one grantee more or less moves the share by about 10 points. First grants averaged $8K; repeat grants $12K. How we count

Medians: $10K first-time, $10K repeat.

  • 10% of 2025 grantees were also funded in 2024. Method
  • In 2025 it paid out 153% of its IRS minimum distribution (the 5% rule). Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2023–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$200K$400K$600K0 grants2022 7 grants2023 9 grants2024 10 grants2025

From 2023 to 2025, annual grant giving ranged from $95K (2025) to $434K (2023). In 2025 it made 10 grants totaling $95K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Life Science Cares Inc San Diego, CA"General operating support". This organization activates the financial and human capital of the life sciences industry and partners with nonprofits to disrupt the cycle of poverty in our communities. The organization envisions all of their neighbors having access to basic needs, access to education, and access to opportunities.$25,000
Family Health Centers of San Diego San Diego, CA"General operating support." The organization is dedicated to providing caring, affordable, high-quality health care and supportive services to everyone, with a special commitment to uninsured, low-income and medically underserved persons.$15,000
Mama's Kitchen San Diego, CA"General operating support." The organization provides nutritional support to San Diego residents at risk of malnutrition due to critical illnesses such as HIV, cancer, congestive heart failure, type 2 diabetes, and chronic kidney disease. Mama's Kitchen strives to help its clients stay healthy, preserve their dignity, and keep their families together by providing, medically tailored home-delivered meals and nutrition education - all at no cost.$15,000
Every Cure Inc New York, NY"General operating support." The organization applies AI to biomedical data to identify the most promising opportunities across all 22K diseases and 3K drugs - their AI platform can complete this work within days. They work with medical experts, physicians, drug companies, academics and patient advocacy groups to quantify the strength of evidence for every drug-disease match and prioritize those with highest potential to relieve suffering.$10,000
Best Buddies International Inc San Diego, CA"General operating support." The organization is dedicated to establishing a global volunteer movement that creates opportunities for one-to-one friendships, integrated employment, leadership development, and inclusive living for individuals with intellectual and developmental disabilities (IDD).$10,000
Omar's Dream Foundation San Jose, CA"General operating support." The organization enables hospitalized and medically-supervised children to remotely attend school.$10,000
San Diego Coastkeeper San Diego, CA"General operating support". The San Diego Coastkeeper protects and restores swimmable, drinkable, fishable waters in San Diego County. It is a major force in transforming the San Diego region into a leader in sustainable water management, supporting high biodiversity, resilient ecosystems, and thriving neighborhoods.$5,000
Foundation for the Children of the Californias San Diego, CA"General operating support." The Foundation for the Children of the Californias is a tri-national collaboration with Canada, the United States, and Mexico, endeavoring to improve the health and nutrition of underserved children in the border region through support for the Hospital Infantil de las Californias, a model pediatric specialty medical and education complex, located in Baja. Hospital Infantil offers outpatient services in 25 specialties and services (including day surgeries, dental, ophthalmology, orthopedics, physical therapy, etc.) in a 56,000-square-foot facility. Many of the staff are volunteers and no child is turned away for inability to pay. Hospital Infantil treats over 4000 patients every month from both sides of the border.$2,500
Lazarex Cancer Foundation Danville, CA"General operating support." The organization strives to improve cancer health outcomes, FDA cancer clinical trial diversity and enrollment, and patient access to care by providing assistance with clinical trial navigation, reimbursing trial related travel costs, and partnering with at-risk communities to mobilize resources. Their vision is that everyone affected by cancer will have hope, dignity, support and the most advanced treatments made available to them at all stages of their journey.$1,500
National Brain Tumor Society Newton, MA"General operating support." The organization invests in, mobilizes, and unites the brain tumor community to discover a cure, deliver effective treatments, and advocate for patients and caregivers.$1,000
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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$11,562,608$-1,196,203$140,452$95,00010$140,449$83$91,956
2024$12,899,263$-1,024,208$283,826$210,0009$283,821$208$98,101
2023$14,332,297$-671,272$549,553$433,7007$549,553$364$285,174
2022$15,528,122$15,484,802$56,680——$56,530—$601,808

Under IRS private-foundation payout rules, Erasca Foundation reported a distributable amount of $92K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2025 grants show support for a range of charitable organizations. For example, Mama’s Kitchen says its mission is to provide nutritious food to people and families vulnerable to malnutrition due to critical illness. Family Health Centers of San Diego describes its mission as providing comprehensive, accessible, quality health care, with a special commitment to low-income and medically underserved people. San Diego Coastkeeper says it is dedicated to protecting and restoring fishable, swimmable, and drinkable water in San Diego County.

Other 2025 grantees include Lazarex Cancer Foundation, which says it works to improve cancer outcomes and patient access to care, and the National Brain Tumor Society, which says it invests in research, mobilizes the brain tumor community, and advocates for patients and care partners.

Grantmaking

In 2025, the foundation gave $95,000 through 10 grants. Grants ranged from $1,000 to $25,000, with a median grant of $10,000. All 10 listed grants were for general operating support.

The largest grants were $25,000 to Life Science Cares Inc. and $15,000 each to Family Health Centers of San Diego and Mama’s Kitchen. Other notable grants included $10,000 each to Every Cure Inc., Best Buddies International Inc., and Omar’s Dream Foundation.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Jonathan Lim as president and director; Nicholas Chetwyn as vice president; Ebun Garner as secretary; and David Chacko as treasurer. It also lists James Bristol, Alexander Casdin, Julie Hambleton, Valerie Harding-Start, Pratik Multani, and Michael Varney as directors.

Erasca Foundation is led by Jonathan Lim, President & Director since 2023 (on filings since 2022); none of the 10 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Jonathan Lim

    President & Director

    President → President & Director, 2023

    On filings since 2022

    1 hr/week

    No compensation reported

  • Alexander Casdin

    Director

    On filings since 2022

    0.3 hrs/week

    No compensation reported

  • James Bristol

    Director

    On filings since 2022

    0.3 hrs/week

    No compensation reported

  • Pratik Multani

    Director

    On filings since 2022

    0.3 hrs/week

    No compensation reported

  • Valerie Harding-Start

    Director

    On filings since 2022

    0.3 hrs/week

    No compensation reported

  • Julie Hambleton

    Director

    On filings since 2023

    0.3 hrs/week

    No compensation reported

  • Michael Varney

    Director

    On filings since 2023

    0.3 hrs/week

    No compensation reported

  • David Chacko

    Treasurer

    On filings since 2022

    1 hr/week

    No compensation reported

  • Ebun Garner

    Secretary

    On filings since 2022

    1 hr/week

    No compensation reported

  • Nicholas Chetwyn

    Vice President

    On filings since 2022

    1 hr/week

    No compensation reported

Former officers (3)
  • Former: Patrik Multani (2023–2024) — Director
  • Former: Julie Hambleton M. D. (2022) — Director
  • Former: Michael Varney Ph D. (2022) — Director

Data from IRS Form 990 filings, 2022–2025. "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 Erasca Foundation

How much does Erasca Foundation give each year?

Erasca Foundation gave $95K across 10 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $210K across 9 grants.

What is Erasca Foundation's typical grant size?

Erasca Foundation's median grant in 2025 was $10,000, and its average grant was $9,500, across 10 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from Erasca Foundation that year got $8K on average.

Where does Erasca Foundation give grants?

Erasca Foundation gives mostly in California: 88% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New York (11%). The most frequent recipient cities were San Diego, CA (6 grants).

Does Erasca Foundation give general operating support?

Yes: 100% of Erasca Foundation's 2025 grants with a stated purpose (10 of 10) were for general or operating support, per its 2025 IRS Form 990-PF.

Who are Erasca Foundation's largest grantees?

Erasca Foundation's largest 2025 grantees include Life Science Cares Inc ($25,000), Family Health Centers of San Diego ($15,000) and Mama's Kitchen ($15,000), according to its 2025 IRS Form 990-PF. Together they received 58% of its itemized 2025 grant dollars.

How large is Erasca Foundation?

Erasca Foundation reported $11.6M in total assets on its 2025 IRS Form 990-PF. It paid out $140K in qualifying distributions that year, against a required minimum of $92K (roughly 5% of its investment assets).

What does Erasca Foundation fund?

No mission statement for the foundation is provided. Its 2025 grants show support for a range of charitable organizations. For example, Mama’s Kitchen says its mission is to provide nutritious food to people and families vulnerable to malnutrition due to critical illness. See mission & focus areas ↑

How do I apply for a grant from Erasca Foundation?

The foundation states that it makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is Erasca Foundation's EIN?

Erasca Foundation's EIN (Employer Identification Number) is 87-1300086. IRS Form 990 filing data is available on this page for 2022–2025.

Does Erasca Foundation accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(1)

When this profile's IRS filing data changed on Grantable

  1. IRS filings on file for fiscal years 2022–2025

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Cite this profile

Grantable. (2026). Erasca Foundation funder profile. GrantGraph. Retrieved October 16, 2026, from https://grantable.co/funders/erasca-foundation-morg_268944c17118445b8e936ba51a21c616

BibTeX
@misc{grantable_871300086_2026,
  author       = {{Grantable}},
  title        = {{Erasca Foundation funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/erasca-foundation-morg_268944c17118445b8e936ba51a21c616},
  note         = {Accessed 2026-10-16. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from Erasca 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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