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Mark Willis

Treasurer; General Counsel at Hudson Bay Capital Management

Officer record from the firm’s Form ADVForm ADV filed 31 August 2026

Mark Willis is Treasurer; General Counsel of Hudson Bay Capital Management LP, a Stamford investment adviser.

Role at Hudson Bay Capital Management

Title on Schedule A
Treasurer; General Counsel
Control
Mark Willis is a control person of Hudson Bay Capital Management.
Ownership
An individual ownership band is not available in the source record.
Tenure
Mark Willis has held the filed Treasurer role since 2015-07-01 and General Counsel role since 2020-02-01.

The firm

Hudson Bay Capital Management LP
Stamford, CT

Form ADV filed 31 August 2026

$40.7B AUM7 clients153 advisers4 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 Mark Willis 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
Mark Willis
CRD
2618273
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

Mark Willis is Hudson Bay Capital’s partner, treasurer, and general counsel. He previously held legal roles at Bank of America Merrill Lynch, Credit Suisse, and UBS. Official firm biography page

Education

Common questions

Where does Mark Willis work?

Mark Willis is Treasurer; General Counsel of Hudson Bay Capital Management LP, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 31 August 2026

Leadership at Hudson Bay Capital Management

  • Sander Gerber
    Chief Executive Officer and Chief Investment Officer
  • Brendan Albee
    Chief Financial Officer
  • Brendan Albee
    Chief Operating Officer
  • Scott Black
    Chief Legal Officer and Chief Compliance Officer
  • George Antonopoulos
    Senior Managing Director and Portfolio Manager
  • Roy Astrachan
    Senior Managing Director and Portfolio Manager
  • Yoav Roth
    Senior Managing Director and Portfolio Manager
  • paul sargen
    Chief Risk Officer
  • Charles Winkler
    Senior Partner/Advisor

Sources

  1. IAPD individual lookup, CRD 2618273. 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 Hudson Bay Capital Management LP, filed 31 August 2026. Title, control and ownership bands.
  3. Hudson Bay Capital Management team page. Biography, education, credentials, awards.

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 Mark Willis or Hudson Bay Capital Management LP and makes no representation about the quality of their services. This directory does not report disciplinary history, in either direction.