# PRIMECAP MANAGEMENT CO

PRIMECAP MANAGEMENT CO of PASADENA, CA is an SEC-registered investment adviser.

## Registration

- CRD: 105516
- Type: SEC-registered investment adviser
- SEC file number: 801-19765
- Location: 177 E COLORADO BLVD., 11TH FLOOR, PASADENA, CA, 91105
- Phone: 626-304-9222
- Latest filing: 2026-07-29
- Regulatory AUM: $139.3B
- Discretionary AUM: $139.3B
- Clients: 43
- Accounts: 18

## Business model

- Compensation: % of AUM
- Clients served: Pooled vehicles, Investment cos

## Officers, owners & control persons (22)

| Name | Role | Location |
| --- | --- | --- |
| Theofanis A Kolokotrones | CHAIRMAN EMERITUS | — |
| Joel Paul Fried | CHAIRMAN | — |
| Alfred Winborne Mordecai | PRESIDENT | — |
| Mohammed Mohsin Ansari | VICE CHAIRMAN | — |
| James K Marchetti | EXECUTIVE VICE PRESIDENT | — |
| John Raymond Bucher | CHIEF OPERATING OFFICER | — |
| Jennifer Ann Ottosen | CHIEF COMPLIANCE OFFICER | — |
| Gregory Todd Molinelli | EXECUTIVE VICE PRESIDENT | — |
| William Todd Warnick | CHIEF FINANCIAL OFFICER | — |
| MILIAS MITCHELL JOHN | CHAIRMAN; CHAIRMAN EMERITUS; VICE CHAIRMAN | — |
| CHEN KUOHSIN KAREN | CHIEF COMPLIANCE OFFICER | — |
| SCHOW HOWARD BERNARD | CHAIRMAN; CHAIRMAN EMERITUS | — |
| KOLOKOTRONES THEOFANIS A | CHAIRMAN; CHAIRMAN EMERITUS; PRESIDENT (+1 more) | — |
| FRIED JOEL PAUL | CHAIRMAN; EXECUTIVE VICE PRESIDENT; PRESIDENT | — |
| OTTOSEN JENNIFER ANN | CHIEF COMPLIANCE OFFICER | — |
| MORDECAI ALFRED WINBORNE | EXECUTIVE VICE PRESIDENT; PRESIDENT; VICE CHAIRMAN | — |
| ANSARI MOHAMMED MOHSIN | EXECUTIVE VICE PRESIDENT; VICE CHAIRMAN | — |
| HOUGHTON KAREN CHEN | CHIEF COMPLIANCE OFFICER | — |
| MARCHETTI JAMES K | EXECUTIVE VICE PRESIDENT | — |
| BUCHER JOHN RAYMOND | CHIEF OPERATING OFFICER | — |
| RICKS MICHAEL JOHN | CHIEF COMPLIANCE OFFICER | — |
| MOLINELLI GREGORY TODD | EXECUTIVE VICE PRESIDENT | — |


## Related pages

- Form ADV Part 2 brochure: https://search.stillhousedata.com/firm/105516/brochure
- Similar advisers: https://search.stillhousedata.com/firm/105516/similar
- Related entities: https://search.stillhousedata.com/firm/105516/related
- SEC IAPD (source of record): https://adviserinfo.sec.gov/firm/summary/105516

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Source: public SEC Form ADV data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.