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John Bucher

Chief Operating Officer at Primecap Management

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

John Bucher is Chief Operating Officer of Primecap Management Co, a Pasadena investment adviser.

Role at Primecap Management

Title on Schedule A
Chief Operating Officer
Control
John Bucher is not a control person of Primecap Management.
Ownership
An individual ownership band is not available in the source record.
Tenure
John Bucher has held the filed role since September 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 John Bucher 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
John Bucher
CRD
4258154
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 John Bucher work?

John Bucher has been Chief Operating Officer of Primecap Management Co since September 2018.

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

Leadership at Primecap Management

Sources

  1. IAPD individual lookup, CRD 4258154. 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 John Bucher or Primecap Management Co and makes no representation about the quality of their services. This directory does not report disciplinary history, in either direction.