Thoroughbred Owners of California logo

Thoroughbred Owners of California

501(c)(6) organization Arcadia, CA EIN: 95-4406781 Website

Thoroughbred Owners of California's overall purpose is to provide effective leadership to the thoroughbred racing industry in California. Toc intends to accomplish this by continually improving the profitability of ownership, increasing the number of horse owners, elevating the quality of California's horses, and using emerging technologies to the benefit of racing.

Thoroughbred Owners of California at a glance

In short: Thoroughbred Owners of California gave $38K across 3 grants in 2025 (avg $13K), mostly in Kentucky. Source: 2025 IRS Form 990.

Annual giving (2025)
$37,500
+49.6% vs 2024
Grants made (2025)
3
+0.0% vs 2024
Average grant
$12,500
+49.6% vs 2024
Median grant
$10,000
Total assets
$2,447,055
-30.7% vs 2024
Primary geography
Kentucky (56% of itemized 2025 grant dollars)
Latest 990 filing
Form 990, 2025 View filing

Data from IRS Form 990, 2025; updated September 2026.

Who Thoroughbred Owners of California funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

National Thoroughbred Racing Association: $21KNational Thoroughbred RacingAssociation$21KCalifornia Thoroughbred Trainers: $10KCalifornia ThoroughbredTrainers$10KHorse Racing Womens Association: $7KHorse Racing WomensAssociation$7K

The largest 2025 recipient was National Thoroughbred Racing Association ($21K). Together the top 3 received $38K.

Grant Size Distribution

9 grants across all recorded years

9<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 9 grants of 9 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

2states

Share of 2025 grant dollars across all 3 itemized grants.

Cities

ArcadiaLexington

How Thoroughbred Owners of California gives

  • Giving grew 275% from 2022 to 2025. Method

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

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K$40K1 grant2019 1 grant2020 1 grant2021 1 grant2022 1 grant2023 3 grants2024 3 grants2025

From 2019 to 2025, annual grant giving ranged from $10K (2019) to $38K (2025). In 2025 it made 3 grants totaling $38K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
National Thoroughbred Racing Association Lexington, KYNTRA Eclipse Awards$21,000
California Thoroughbred Trainers Arcadia, CAGeneral Operations$10,000
Horse Racing Womens Association Arcadia, CAGeneral Operations$6,500
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsNet Investment Income
2025$2,447,055$1,269,297$1,449,895$37,5003$103,571
2024$3,529,267$1,438,913$1,450,094$25,0753$159,737
2023$6,662,123$1,393,763$1,354,404$10,0001$149,838
2022$15,991,653$1,390,070$1,481,485$10,0001$-93,141
2021$11,178,647$1,181,937$1,581,579$10,0001$4,692
2020$2,571,831$1,268,911$1,191,148$10,0001$38,751
2019$2,229,182$1,318,426$1,269,976$10,0001$41,241

About Thoroughbred Owners of California

Based on IRS filings

Thoroughbred Owners of California is a public charity, based in Arcadia, CA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $2.4M in total assets. In 2025, it awarded 3 grants totaling $38K. Net investment income was $104K.

Leadership & Key People

Officers and directors from IRS filings

Thoroughbred Owners of California is led by William Nader, President & CEO on every filing since 2024; 1 of 16 officers listed in 2025 is compensated.

Officers on the 2025 filing

  • William Nader

    President & CEO

    On filings since 2024

    40 hrs/week

    $563K (2024) → $575K (2025)

  • Gary Fenton

    Chairman

    Director → Chairman, 2024

    On filings since 2019

    4 hrs/week

    No compensation reported

  • Joe Ciaglia

    Director

    On filings since 2019

    3 hrs/week

    No compensation reported

  • Nick Alexander

    Director

    Chairman → Chairman Emeritus, 2024

    Chairman Emeritus → Director, 2025

    On filings since 2019

    3 hrs/week

    No compensation reported

  • Samantha Siegel

    Director

    On filings since 2019

    3 hrs/week

    No compensation reported

  • Ryan Hanson

    Director

    On filings since 2023

    3 hrs/week

    No compensation reported

  • Stephanie Horonis

    Director

    On filings since 2023

    3 hrs/week

    No compensation reported

  • Gary Barber

    Director

    On filings since 2024

    3 hrs/week

    No compensation reported

  • Matt Dohman

    Director

    On filings since 2024

    3 hrs/week

    No compensation reported

  • Tim Cohen

    Director

    On filings since 2024

    3 hrs/week

    No compensation reported

  • Andy Mathis

    Director

    New on the 2025 filing

    3 hrs/week

    No compensation reported

  • John Harris

    Director

    New on the 2025 filing

    3 hrs/week

    No compensation reported

  • Mark Glatt

    Director

    New on the 2025 filing

    3 hrs/week

    No compensation reported

  • Ty Green

    Director

    New on the 2025 filing

    3 hrs/week

    No compensation reported

  • Bob Liewald

    Vice Chairman & Treasurer

    Director → Treasurer, 2023

    Treasurer → Vice Chairman & Treasurer, 2024

    On filings since 2019

    4 hrs/week

    No compensation reported

  • Terry Lovingier

    Secretary

    Director → Secretary, 2020

    On filings since 2019

    4 hrs/week

    No compensation reported

Former officers (19)
  • Former: Ed Moger (2019–2024) — Vice Chairman
  • Former: Rick Gold (2019–2024) — Director
  • Former: Johnny Taboada (2023–2024) — Director
  • Former: Lindsay Laroche (2023–2024) — Director
  • Former: Bill Strauss (2019–2023) — Director
  • Former: Mike Harrington (2019–2023) — Director
  • Former: Richard Rosenberg (2020–2023) — Director
  • Former: Greg Avioliterm (2023) — President & CEO
  • Former: Jordyn Eganstart (2023) — Executive Director
  • Former: Mary Forneyterm (2023) — Executive Director
  • Former: William Naderstart (2023) — President & CEO
  • Former: Allen Aldrich (2019–2022) — Director
  • Former: Bob Baffert (2019–2022) — Director
  • Former: Greg Avioli (2019–2022) — President & CEO
  • Former: Jack Owens (2019–2022) — Director
  • Former: Mark Dedomenico (2019–2022) — Director
  • Former: Mike Pegram (2019–2022) — Director
  • Former: Jeff Bloom (2020–2022) — Director
  • Former: Mary Forney (2020–2022) — Executive Director

Data from IRS Form 990 filings, 2019–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

William Nader — President & CEO: $575KWilliam NaderPresident & CEO$575K

The highest reported compensation on the 2025 filing was $575K, to William Nader (President & CEO).

Frequently asked questions about Thoroughbred Owners of California

How much does Thoroughbred Owners of California give each year?

Thoroughbred Owners of California gave $38K across 3 grants in 2025, according to its 2025 IRS Form 990. In 2024 it gave $25K across 3 grants.

What is Thoroughbred Owners of California's typical grant size?

Thoroughbred Owners of California's median grant in 2025 was $10,000, and its average grant was $12,500, across 3 grants on its 2025 IRS Form 990.

Where does Thoroughbred Owners of California give grants?

Thoroughbred Owners of California gives mostly in Kentucky: 56% of the grant dollars itemized on its 2025 IRS Form 990 went to recipients there. The next largest state was California (44%). The most frequent recipient cities were Arcadia, CA (2 grants).

Does Thoroughbred Owners of California give general operating support?

Yes: 67% of Thoroughbred Owners of California's 2025 grants with a stated purpose (2 of 3) were for general or operating support, per its 2025 IRS Form 990.

How large is Thoroughbred Owners of California?

Thoroughbred Owners of California reported $2.4M in total assets on its 2025 IRS Form 990. Its revenue that year was $1.3M.

What is Thoroughbred Owners of California's EIN?

Thoroughbred Owners of California's EIN (Employer Identification Number) is 95-4406781. IRS Form 990 filing data is available on this page for 2019–2025.

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

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990 for fiscal year 2019 (received by the IRS July 15, 2020)
  2. Updated Form 990 for fiscal year 2020 (received by the IRS May 17, 2021)
  3. Updated Form 990 for fiscal year 2021 (received by the IRS May 13, 2022)
  4. Updated Form 990 for fiscal year 2022 (received by the IRS October 17, 2023)
  5. Updated Form 990 for fiscal year 2023 (received by the IRS July 1, 2024)
  6. Added Form 990 for fiscal year 2025 (received by the IRS May 11, 2026)
  7. 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 Thoroughbred Owners of California'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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