Internships › Quantitative Finance › California

Quantitative Finance internships in California

15 open student roles in quantitative finance in California, from internships to co-ops and research. That includes 3 research positions. 20% list pay or say they are paid. The most common start term is Summer 2027. Employers with the most openings: BlackRock, PIMCO, Merck, Waymo and First Citizens BancShares.

• First Citizens BancShares New
  2027 Summer Intern - Middle Market Underwriting/Portfolio Management (San Diego, CA)
  San Diego, California · Summer 2027 · $18.50/hr
  Open posting
• Waymo
  2027 Summer Intern, PhD, Quantitative Software Engineer
  Mountain View, California, United States +3 · Summer 2027
  Open posting
• Merck
  2027 Future Talent Program - Quantitative Biosciences Cellular Pharmacology - Intern
  USA - California - South San Francisco (Grand Ave)
  Open posting
• BlackRock
  2027 Quantitative Masters Internship Program - Investments - Quantitative Investing - New York
  SF +2 · Summer 2027 · Paid
  Open posting
• BlackRock
  2027 Quantitative Masters Internship Program - Investments - Portfolio Management - San Francisco
  San Francisco, CA +2 · Summer 2027
  Open posting
• BlackRock
  2027 Quantitative Masters Internship Program - Investments - Quantitative Investing - San Francisco
  San Francisco, CA
  Open posting
• BlackRock
  2027 Quantitative Masters Internship Program - Technology - Analytics & Modeling - San Francisco
  San Francisco, CA +1 · Summer 2027
  Open posting
• BlackRock
  2027 Quantitative Masters Internship Program - Investments - Global Capital Markets - San Francisco
  San Francisco, CA +1 · Summer 2027
  Open posting
• Veeam Software
  Services Portfolio Management Intern
  San Jose, CA +1 · Summer 2027
  Open posting
• PricewaterhouseCoopers (PwC)
  Deals - Valuation Financial Analytics and Derivatives Intern - Summer 2027
  CA-San Francisco +2 · Summer 2027 · $29.25 - $48.00
  Open posting
• Merck
  2027 Future Talent Program - Quantitative Biosciences, Cellular Pharmacology & Lead Discovery - Intern
  USA - California - South San Francisco (Grand Ave)
  Open posting
• PIMCO
  Quant Research Analyst Intern - Client Solutions & Analytics
  Newport Beach, CA · Summer 2027 · research
  Open posting
• PIMCO
  Quantitative Portfolio Management Intern
  Newport Beach, CA · Summer 2027
  Open posting
• PIMCO
  Quantitative Research Analyst Intern - Portfolio Management
  Newport Beach, CA · Summer 2027 · research
  Open posting
• Waymo
  2027 Summer Intern, MS/PhD, Quantitative UX Researcher, Growth/International Expansion
  San Francisco, California, United States · Summer 2027 · research
  Open posting

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Updated September 26, 2026. Listings are collected from public job boards several times a day; always check the posting on the employer's site before applying.