DFX Intelligence

RIA Intelligence

Registered investment advisers, the advisors registered through them, the capital they report, the private vehicles they run and the people who own them, as a graph with a filing date behind every number. RAUM is what the adviser filed, a move is two registration dates, and a class is a rule you can read.

SEC-registered adviser

Hudson Bay Capital Management LP

Asset manager (funds and pooled vehicles)Stamford, ConnecticutCRD 155910SEC 801-73536websiteIAPD
Latest filing Aug 31, 2026
First filing on the tape Feb 13, 2012 · 42 filings
SEC status approved since Mar 30, 2012
RAUM
$41B
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
0.0%
$0 individuals and HNW
Advisors
0
registered through the firm on IAPD
RAUM per advisor
n/a
derived; firm RAUM over IAPD count
Employees
418
153 advisory (5.B.1)
Offices
3
beyond the principal office
Private funds
11
reported on Schedule D
History
42 filings and snapshots on the tape
RAUM$41B as of Aug 31, 2026
Feb 22, 2013$3.0B then
HNW client RAUM$0 as of Aug 31, 2026
Dec 18, 2017$0 then
State-registered IARs (5.B.3)0 as of Aug 31, 2026
Feb 22, 20130 then
Employees (5.A)418 as of Aug 31, 2026
Feb 22, 201347 then
Private funds11 as of Aug 31, 2026
Feb 22, 20132 then
RAUM +20% over the last fiscal year+15% a year over threeIARs 0 to 0offices 4 to 3
Practice profile
derived from the filing of Aug 31, 2026; every figure names its basis
RAUM per advisor
unknownderivedRAUM over IAPD advisors; not a book size
Clients per advisor
unknownderivedindividual and HNW clients (5.D) over advisors
Average HNW client
unknownderivedHNW RAUM over HNW clients
Average account
$5.8BderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
unknownderivedItem 5.A over advisors
Advisors per office
unknownderived4 offices incl. principal (1.F.5)
RAUM growth, one year
+20%derivedbetween the last two annual amendments
Advisor growth, one year
unknownderivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
percentage of assets, performance-basedreportedItem 5.E
Advisory activities
portfolio management for pooled vehiclesreportedItem 5.G
Custody
yesreportedItem 9.A
Ownership
no PE, bank or public-company owner found on Schedule Aderived
Advisor book size
not public; not estimatedreported
Also answered yes on Form ADV
  • buys or sells securities as principal to or from clients (8.A.2)
  • has discretionary authority over which securities are bought or sold (8.C.1)
  • compensates persons for client referrals (8.G.1)
  • compensates non-employees for client referrals (8.G.2)
  • has custody of client cash or bank accounts (9.A.1.a)
  • has custody of client securities (9.A.1.b)
  • a related person has custody of client cash (9.B.1.a)
  • a related person has custody of client securities (9.B.1.b)
  • marketing includes hypothetical performance (5.L.3)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Pooled investment vehicles$41B100%
Individual clients
0reported
HNW clients
0reported
Pension plan clients
0reported
Charitable clients
0reported
Accounts
7reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
$0 for 0 clientsreported
Compensation
% of AUM, performancereported
Class basis
private_client_share=0.0 fund_share=1.0 institutional_share=0.0 related_bd=false related_bank=true bd_reps=0.0derived
Advisors registered through the firm
0 on IAPD today, longest tenure first
No representative is registered through this CRD on IAPD.
Advisor movement
Left, latest
none on the tape
    Joined, latest
    none on the tape
      Private funds
      16 reported on Schedule D 7.B.(1)
      FundTypeGross assetsOwnersFirst reported
      Hudson Bay Master Fund Ltd.Hedge Fund$30B3,164Feb 13, 2012
      Hudson Bay Capital Structure Opportunities Master Fund Ltd.Hedge Fund$885M23Sep 29, 2017
      Hb Special Opportunities Aiv I LPHedge Fund$690M75Mar 29, 2024
      Hudson Bay Special Opportunities Master Fund A LPHedge Fund$690M76Mar 29, 2024
      Hudson Bay Special Opportunities Master Fund B LPHedge Fund$690M76Mar 29, 2024
      Hudson Bay Special Opportunities Master Fund C LPHedge Fund$690M76Mar 29, 2024
      Hudson Bay Special Opportunities Master Fund D LPHedge Fund$690M76Mar 29, 2024
      Hudson Bay Absolute Return Credit Opportunities Master Fund Ltd.no longer reportedHedge Fund$349M17May 30, 2014
      Hudson Bay Ip Opportunities Master Fund L.P.no longer reportedHedge Fund$25.3M35Feb 22, 2013
      Hudson Bay Mlp Fund LPno longer reportedHedge Fund$19.9M19Nov 3, 2016
      Bio Vaccines LPno longer reportedHedge Fund$9.1M2Nov 14, 2014
      Strategic Bio Partners LLCno longer reportedHedge Fund$2.5M3Mar 28, 2016
      Hudson Bay Spac Master Fund LPHedge Fund$1.4M19Mar 31, 2021
      Bio Ip Ventures LLCno longer reportedHedge Fund$1.4M2Feb 24, 2014
      Hb Measure LLCno longer reportedHedge Fund$735,1592Oct 8, 2015
      Hudson Bay Corporate Value Fund LPno longer reportedHedge Fund$011Mar 29, 2018
      Owners and control persons
      Schedule A and B, latest filing
      • Dermott Brendan Albee · Chief Operating Officercontrol
        since 05/2022 · owns less than 5%
      • George Antonopoulos · Senior Managing Director And Portfolio Managercontrol
        since 01/2018 · owns 10% to 25%
      • Roy Astrachan · Senior Managing Director And Portfolio Managercontrol
        since 01/2009 · owns 10% to 25%
      • Lawrence Scott Black · Chief Legal Officer And Chief Compliance Officercontrol
        since 10/2010 · owns less than 5%
      • Ross Sander Gerber · Chief Executive Officer And Chief Investment Officercontrol
        since 06/2005 · owns 25% to 50%
      • Jin Edward Han · Chief Financial Officercontrol
        since 10/2024 · owns less than 5%
      • Yoav Roth · Senior Managing Director And Portfolio Managercontrol
        since 06/2005 · owns 10% to 25%
      • Michael Paul Sargen · Chief Risk Officercontrol
        since 11/2012 · owns less than 5%
      • Lawrence Mark Willis · General Counselcontrol
        since 02/2020 · owns less than 5%
      • Howard Charles Winkler · Senior Partner/Advisorcontrol
        since 11/2007 · owns 10% to 25%
      • George Antonopoulos · Membercontrol
        since 01/2020 · owns 75% or more of Thealeka LLC
      • Roy Astrachan · Membercontrol
        since 01/2020 · owns 75% or more of Rahbcm LLC
      • Ross Sander Gerber · Membercontrol
        since 05/2020 · owns 50% to 75% of Gerber Ventures LLC
      • Yoav Roth · Membercontrol
        since 01/2020 · owns 75% or more of Yrhbcm LLC
      • Howard Charles Winkler · Membercontrol
        since 01/2021 · owns 50% to 75% of Winco Group LLC
      • Deborah Tracy Gerber · Member
        since 05/2020 · owns 50% to 75% of Gerber Ventures LLC
      • D Darlene Winkler · Member
        since 01/2021 · owns 50% to 75% of Winco Group LLC
      Entity owners
      • Gerber Ventures LLC · Limited Partner
        direct · owns 25% to 50%
      • Hudson Bay Capital Gp LLC · General Partner
        direct · owns less than 5%
      • Rahbcm LLC · Limited Partner
        direct · owns 10% to 25%
      • Thealeka LLC · Limited Partner
        direct · owns 10% to 25%
      • Winco Group LLC · Limited Partner
        direct · owns 10% to 25%
      • Yrhbcm LLC · Limited Partner
        direct · owns 10% to 25%
      Related persons
      Schedule D 7.A
      • Hudson Bay Capital Associates II LLC
        investment adviserbankpooled vehicle sponsorn
      • Hudson Bay Capital Associates LLC
        investment adviserbankpooled vehicle sponsorn
      • Hudson Bay Spac Associates LLC
        investment adviserpooled vehicle sponsorn
      Offices
      Schedule D 1.F, the 25 largest
      • New York, NY47 employees
      • Greenwich, CT22 employees
      • London, United Kingdom20 employees
      • Boston, MA3 employees
      • North Miami Beach, FL2 employees
      What changed
      consecutive filings, newest first
      • Private funds · 10 to 11
        Jul 24, 2026 to Aug 31, 2026
      • Advisory employees · 137 to 153
        Dec 8, 2025 to Mar 30, 2026
      • Employees · 316 to 418
        Dec 8, 2025 to Mar 30, 2026
      • Other offices · 4 to 3
        Dec 8, 2025 to Mar 30, 2026
      • Private funds · 9 to 10
        Dec 8, 2025 to Mar 30, 2026
      • Discretionary RAUM · $34B to $41B
        Dec 8, 2025 to Mar 30, 2026
      • Pooled vehicle RAUM · $34B to $41B
        Dec 8, 2025 to Mar 30, 2026
      • RAUM · $34B to $41B
        Dec 8, 2025 to Mar 30, 2026
      • Financial planning clients · unset to
        Apr 14, 2025 to Jun 17, 2025
      • Advisory employees · 100 to 137
        Dec 12, 2024 to Apr 14, 2025
      • Employees · 241 to 316
        Dec 12, 2024 to Apr 14, 2025
      • Other offices · 5 to 4
        Dec 12, 2024 to Apr 14, 2025
      • Private funds · 8 to 9
        Dec 12, 2024 to Apr 14, 2025
      • Discretionary RAUM · $31B to $34B
        Dec 12, 2024 to Apr 14, 2025
      • Pooled vehicle RAUM · $31B to $34B
        Dec 12, 2024 to Apr 14, 2025
      • RAUM · $31B to $34B
        Dec 12, 2024 to Apr 14, 2025
      • HQ city · GREENWICH to STAMFORD
        Oct 1, 2024 to Dec 12, 2024
      • Other offices · 4 to 5
        Oct 1, 2024 to Dec 12, 2024
      • Accounts · 5 to 7
        Jun 14, 2023 to Mar 29, 2024
      • Advisory employees · 83 to 100
        Jun 14, 2023 to Mar 29, 2024
      • Pooled vehicle clients · 5 to 7
        Jun 14, 2023 to Mar 29, 2024
      • Assets in custody · $20B to $0
        Jun 14, 2023 to Mar 29, 2024
      • Employees · 149 to 241
        Jun 14, 2023 to Mar 29, 2024
      • Other offices · 3 to 4
        Jun 14, 2023 to Mar 29, 2024
      • Private funds · 3 to 8
        Jun 14, 2023 to Mar 29, 2024
      • Discretionary RAUM · $27B to $31B
        Jun 14, 2023 to Mar 29, 2024
      • Pooled vehicle RAUM · $27B to $31B
        Jun 14, 2023 to Mar 29, 2024
      • RAUM · $27B to $31B
        Jun 14, 2023 to Mar 29, 2024
      • Accounts · 4 to 5
        Aug 15, 2022 to Mar 31, 2023
      • Advisory employees · 65 to 83
        Aug 15, 2022 to Mar 31, 2023
      • Pooled vehicle clients · 4 to 5
        Aug 15, 2022 to Mar 31, 2023
      • Assets in custody · $15B to $20B
        Aug 15, 2022 to Mar 31, 2023
      • Employees · 117 to 149
        Aug 15, 2022 to Mar 31, 2023
      • Other offices · 5 to 3
        Aug 15, 2022 to Mar 31, 2023
      • Discretionary RAUM · $20B to $27B
        Aug 15, 2022 to Mar 31, 2023
      • Pooled vehicle RAUM · $20B to $27B
        Aug 15, 2022 to Mar 31, 2023
      • RAUM · $20B to $27B
        Aug 15, 2022 to Mar 31, 2023
      • Accounts · 5 to 4
        Nov 23, 2021 to Mar 30, 2022
      • Advisory employees · 45 to 65
        Nov 23, 2021 to Mar 30, 2022
      • Pooled vehicle clients · 5 to 4
        Nov 23, 2021 to Mar 30, 2022
      Signals
      9 dated events
      • Jin Edward Han (Chief Financial Officer) appeared on Schedule A of Hudson Bay Capital Management Lp
        Oct 1, 2024 · Control person joined · fact
      • Michael Steven Petersen (Chief Financial Officer Of Hudson Bay Capital) no longer on Schedule A of Hudson Bay Capital Management Lp (listed 2023-03-31, absent 2023-06-13)
        Jun 13, 2023 · Control person left · inference
      • Dermott Brendan Albee (Chief Financial Officer Of Hudson Bay Capital) appeared on Schedule A of Hudson Bay Capital Management Lp
        Jun 13, 2023 · Control person joined · fact
      • Michael Paul Sargen (Chief Risk Officer) appeared on Schedule A of Hudson Bay Capital Management Lp
        Jun 13, 2023 · Control person joined · fact
      • Hudson Bay Capital Management Lp reported RAUM $27.1B, up 35% from $20.1B (2022-08-15 to 2023-03-31)
        Mar 31, 2023 · RAUM change · derived
      • Hudson Bay Capital Management Lp reported RAUM $20.1B, up 34% from $15.0B (2021-11-23 to 2022-03-30)
        Mar 30, 2022 · RAUM change · derived
      • Hudson Bay Capital Management Lp reported RAUM $15.0B, up 74% from $8.6B (2020-04-09 to 2021-03-31)
        Mar 31, 2021 · RAUM change · derived
      • Hudson Bay Capital Management Lp reported RAUM $8.6B, up 26% from $6.9B (2019-03-29 to 2020-03-30)
        Mar 30, 2020 · RAUM change · derived
      • Lawrence Mark Willis (General Counsel) appeared on Schedule A of Hudson Bay Capital Management Lp
        Mar 30, 2020 · Control person joined · fact
      Across DFX
      shared identifiers only, never a name match
      No identifier-backed link to the venture, private equity, family office or sponsor graphs.
      How to reach
      public business contact points only, each with its source
      Firm profile
      linkedin.com/company/hudson-bay-capital-management-lpreportedpublic record, Form ADV, Sep 17, 2026
      Website
      HUDSONBAYCAPITAL.COMreportedpublic record, Form ADV, Sep 17, 2026
      Principal office phone
      (475) 900-9550reportedpublic record, Form ADV, Aug 31, 2026
      Provenance
      Form ADV
      SEC filing data 2011 to 2024 and the monthly roster 2025 onreportedadviserinfo.sec.gov
      Advisors
      IAPD individual compilation feed, dailyreportedadviserinfo.sec.gov
      Class
      Asset manager (funds and pooled vehicles)deriveda rule over Items 5.D and 7.A
      RAUM per advisor
      n/aderivedfirm RAUM over the IAPD count; not a book size
      Loaded
      Sep 14, 2026