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# Top 15 Contributors to California 2026 Citizen Initiative Campaigns (So Far)
- URL: https://ivn.us/top-15-contributors-to-california-2026-citizen-initiative-campaigns-so-far-2026-04-22/
- Published: 2026-04-22T17:57:05.000Z
- Updated: 2026-04-22T17:57:06.000Z
- Description: With more than six months still to go before voters cast their ballots in November, California’s top 15 ballot-initiative contributors have already poured nearly $200 million into the state’s initiative process.
- Author: Cara Brown McCormick
- Tags: Campaigns, California 2026, Campaign Finance

1. **Sergey Brin – $45,000,000\.** Google co-founder and Alphabet board member, Brin, is known for helping build one of the top 3 most valuable companies in the world.
2. **Uber Technologies, Inc. – $32,512,759\.** Uber is a San Francisco-based publicly traded transportation and delivery platform company best known for ride-hailing, food delivery, and logistics services. Dara Khosrowshahi is CEO.
3. **SEIU-UHW – $15,915,666\.** SEIU-UHW is a California healthcare workers union representing more than 120,000 workers and advocating on labor and healthcare policy issues.
4. **California Teachers Association – $15,000,000\.** The CTA is the state’s largest teachers union.
5. **AFSCME Local 3299 – $13,100,000**. AFSCME Local 3299 is the University of California system’s largest employee union.
6. **Chris Larsen and Ripple Labs – $12,000,000\.** Larsen is the co-founder and executive chairman of Ripple Labs, a San Francisco-based fintech company that uses blockchain technology and the XRP digital asset.
7. **California Hospitals Committee – $10,000,000\.** The California Hospitals Committee on Issues is a political committee sponsored by the California Association of Hospitals and Health Systems that advances hospital-industry positions in state ballot campaigns.
8. **OpenAI – $10,000,000\.** OpenAI is a San Francisco-based artificial intelligence research and deployment company whose stated mission is to ensure AGI benefits all of humanity. Sam Altman is CEO.
9. **John Doerr III – $9,500,000\.** Doerr is a longtime Kleiner Perkins venture capitalist known for early investments in major tech companies, including Google and Amazon.
10. **Patrick Collison – $7,000,000\.** Collison is the co-founder and CEO of Stripe, the fintech company best known for online payments infrastructure.
11. **Michael Moritz – $7,000,000\.** Moritz is a veteran venture capitalist best known for his long career at Sequoia Capital and early investments in companies such as Google and PayPal.
12. **Gary K. Michelson – $6,000,000\.** Michelson is an orthopedic spinal surgeon, prolific medical inventor, and philanthropist known for hundreds of patents in spinal surgery technology.
13. **Meyer Luskin – $5,000,000\.** Luskin is a Los Angeles businessman, philanthropist, and CEO of Scope Industries, known especially for his contributions to UCLA.
14. **Altamed Health Services Corporation – $4,717,867\.** AltaMed is a large Southern California nonprofit community health system.
15. **Richard Uihlein – $4,000,000\.** Uihlein is the CEO and co-founder of Uline, a Wisconsin shipping and industrial supplies company, and a prominent conservative political donor.

*Source: California Fair Political Practices Commission, data is current as of April 11, 2026.*