Niva WealthLet’s talk

Kathryn Mayne

Managing Director at Horsley Bridge Partners

Officer record from the firm’s Form ADVForm ADV filed 17 June 2026

Kathryn Mayne is Managing Director of Horsley Bridge Partners LLC, a San Francisco investment adviser.

Role at Horsley Bridge Partners

Title on Schedule A
Managing Director
Control
Kathryn Mayne is a control person of Horsley Bridge Partners.
Ownership
An individual ownership band is not available in the source record.
Tenure
Kathryn Mayne has held the filed role since September 2003.

The firm

Horsley Bridge Partners LLC
San Francisco, CA

Form ADV filed 17 June 2026

$23.6B AUM46 clients10 advisers2 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 Kathryn Mayne 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
Kathryn Mayne
CRD
4783946
Firm
Horsley Bridge Partners LLC
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

Background

The firm's official leadership page lists Kathryn Mayne as Managing Director. HORSLEY BRIDGE PARTNERS LLC, official leadership page

Common questions

Where does Kathryn Mayne work?

Kathryn Mayne has been Managing Director of Horsley Bridge Partners LLC since September 2003, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 17 June 2026

Leadership at Horsley Bridge Partners

Sources

  1. IAPD individual lookup, CRD 4783946. 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 Horsley Bridge Partners LLC, filed 17 June 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 Kathryn Mayne or Horsley Bridge Partners LLC and makes no representation about the quality of their services. This directory does not report disciplinary history, in either direction.