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William Warnick

Chief Financial Officer at Primecap Management

Officer record from the firm’s Form ADVForm ADV filed 29 July 2026

William Warnick is Chief Financial Officer of Primecap Management Co, a Pasadena investment adviser.

Role at Primecap Management

Title on Schedule A
Chief Financial Officer
Control
William Warnick is not a control person of Primecap Management.
Ownership
An individual ownership band is not available in the source record.
Tenure
William Warnick has held the filed role since November 2018.

The firm

Primecap Management Co
Pasadena, CA

Form ADV filed 29 July 2026

$139B AUM13 clients22 advisers1 offices

Career on record

The IAPD individual lookup on 17 October 2026 returned no individual record. This profile uses the firm’s Form ADV officer listing.

Registrations and exams

Individual registration and examination information for William Warnick is unavailable. An officer title or CRD number does not by itself establish current investment adviser representative registration, and no registration or examination counts are inferred.

Officer record

Full name
William Warnick
CRD
2812904
Firm
Primecap Management Co
Record basis
Form ADV officer listing

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. Check this record on adviserinfo.sec.gov

Common questions

Where does William Warnick work?

William Warnick has been Chief Financial Officer of Primecap Management Co since November 2018.

Source: Form ADV, Schedule A, filed 29 July 2026

Leadership at Primecap Management

Sources

  1. IAPD individual lookup, CRD 2812904. This profile uses the Form ADV officer listing; the individual lookup did not provide a current investment-adviser record.
  2. Form ADV Part 1A, Schedules A and B of Primecap Management Co, filed 29 July 2026. Title, control and ownership bands.

Retrieved 17 October 2026. The SEC record may have been amended since.

Report a correction

This profile is compiled from public regulatory records and the firm's own published materials, and is provided for informational purposes only. Niva Wealth is not affiliated with William Warnick or Primecap Management Co and makes no representation about the quality of their services. This directory does not report disciplinary history, in either direction.