Investment adviser · CRD 115079

HBK CAPITAL MANAGEMENT

Investment adviser filing (IA)

HBK INVESTMENTS L.P.

DALLAS, TX, United States · Form ADV filed Jun 30, 2026

Regulatory AUM: $35.6B
Client accounts: 9
Employees: 198
Advisory professionals: 61

Who they report serving

Form ADV · Item 5.D

Client types and their share of reported regulatory assets.

Client type	Clients	Regulatory assets	Share of AUM
Pooled investment vehicles	7	$33,770,705,000	94.8%
Other investment advisers	Fewer than 5	$1,425,627,000	4.0%
Sovereign wealth & foreign institutions	Fewer than 5	$417,190,000	1.2%

Filing source

Form ADV 2116598 · Jun 30, 2026 · Item 5.D

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

Private funds & service providers

10 Private funds

The count excludes feeder funds. Funds in the latest filing appear first, ordered by reported gross assets. Earlier funds retain their last reported values.

HBK MASTER FUND L.P.Hedge Fund · Last reported Jun 30, 2026$28.9BGross asset value

Feeder funds

Fund administrator HEDGESERV (CAYMAN) LTD GEORGE TOWN, Cayman Islands Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LLP NEW YORK, New York, United States

Auditor ERNST & YOUNG LTD. GEORGE TOWN, Cayman Islands

Custodian BANCO SANTANDER, S.A. MADRID, Spain Related to adviser: No

Custodian BANK OF AMERICA, NA CHARLOTTE, North Carolina, United States Related to adviser: No

Custodian BANK OF NEW YORK MELLON (DOMESTIC) NEW YORK, New York, United States Related to adviser: No

Custodian BARCLAYS BANK PLC LONDON, United Kingdom Related to adviser: No

Custodian BARCLAYS CAPITAL INC. NEW YORK, New York, United States Related to adviser: No

Custodian BNP PARIBAS LONDON, United Kingdom Related to adviser: No

Custodian BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States Related to adviser: No

Custodian BOFA SECURITIES, INC. NEW YORK, New York, United States Related to adviser: No

Custodian CANADIAN IMPERIAL BANK OF COMMERCE TORONTO, Canada Related to adviser: No

Custodian CITIBANK N.A. NEW YORK, New York, United States Related to adviser: No

Custodian CITIGROUP FINANCIAL PRODUCTS INC. NEW YORK, New York, United States Related to adviser: No

Custodian CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States Related to adviser: No

Custodian CITIGROUP GLOBAL MARKETS LIMITED LONDON, United Kingdom Related to adviser: No

Custodian DEUTSCHE BANK A.G. NEW YORK, New York, United States Related to adviser: No

Custodian GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States Related to adviser: No

Custodian GOLDMAN SACHS INTERNATIONAL LONDON, United Kingdom Related to adviser: No

Custodian HSBC BANK PLC LONDON, United Kingdom Related to adviser: No

Custodian HSBC SECURITIES (USA) INC. NEW YORK, New York, United States Related to adviser: No

Custodian JPMORGAN CHASE & CO. NEW YORK, New York, United States Related to adviser: No

Custodian J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States Related to adviser: No

Custodian J.P. MORGAN SECURITIES PLC LONDON, United Kingdom Related to adviser: No

Custodian MERRILL LYNCH INTERNATIONAL LONDON, United Kingdom Related to adviser: No

Custodian MORGAN STANLEY CAPITAL SERVICE LLC NEW YORK, New York, United States Related to adviser: No

Custodian MORGAN STANLEY & CO. INTERNATIONAL PLC LONDON, United Kingdom Related to adviser: No

Custodian MORGAN STANLEY & CO. LLC NEW YORK, New York, United States Related to adviser: No

Custodian NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States Related to adviser: No

Custodian NATIXIS LONDON, United Kingdom Related to adviser: No

Custodian NOMURA INTERNATIONAL PLC LONDON, United Kingdom Related to adviser: No

Custodian RBC DOMINION SECURITIES INC LONDON, United Kingdom Related to adviser: No

Custodian RBC EUROPE LIMITED LONDON, United Kingdom Related to adviser: No

Custodian STATE STREET BANK AND TRUST COMPANY BOSTON, Massachusetts, United States Related to adviser: No

Custodian TD SECURITIES (USA) LLC NEW YORK, New York, United States Related to adviser: No

Custodian THE BANK OF NOVA SCOTIA TORONTO, Canada Related to adviser: No

Custodian UBS, AG ZURICH, Switzerland Related to adviser: No

Custodian UBS SECURITIES LLC NEW YORK, New York, United States Related to adviser: No

Custodian WELLS FARGO BANK N.A. SAN FRANCISCO, California, United States Related to adviser: No

Custodian WELLS FARGO SECURITIES, LLC CHARLOTTE, North Carolina, United States Related to adviser: No

Prime broker BARCLAYS BANK PLC LONDON, United Kingdom

Prime broker BARCLAYS CAPITAL INC. NEW YORK, New York, United States

Prime broker BNP PARIBAS LONDON, United Kingdom

Prime broker BNP PARIBAS SECURITIES CORP. NEW YORK, New York, United States

Prime broker BOFA SECURITIES, INC. NEW YORK, New York, United States

Prime broker CITIGROUP GLOBAL MARKETS INC. NEW YORK, New York, United States

Prime broker CITIGROUP GLOBAL MARKETS LIMITED LONDON, United Kingdom

Prime broker GOLDMAN SACHS & CO. LLC NEW YORK, New York, United States

Prime broker HSBC BANK PLC LONDON, United Kingdom

Prime broker J.P. MORGAN SECURITIES LLC NEW YORK, New York, United States

Prime broker MORGAN STANLEY & CO. LLC NEW YORK, New York, United States

Prime broker NATIONAL FINANCIAL SERVICES LLC BOSTON, Massachusetts, United States

Prime broker UBS, AG ZURICH, Switzerland

Prime broker UBS SECURITIES LLC NEW YORK, New York, United States

Prime broker WELLS FARGO SECURITIES, LLC CHARLOTTE, North Carolina, United States

Provider details

Annual audit: Yes
Prime brokers: Yes
Custodians: Yes
Administrator other than the adviser: Yes
External marketing: No

ERNST & YOUNG LLP
PCAOB 42

ERNST & YOUNG LTD.
PCAOB 1655

BANCO SANTANDER, S.A.
LEI 5493006QMFDDMYWIAM13

BANK OF AMERICA, NA
LEI B4TYDEB6GKMZO031MB27

BARCLAYS BANK PLC
LEI G5GSEF7VJP5I7OUK5573

BNP PARIBAS
LEI R0MUWSFPU8MPRO8K5P83

BNP PARIBAS SECURITIES CORP.
SEC 8-32682

BOFA SECURITIES, INC.
SEC 8-69787

CANADIAN IMPERIAL BANK OF COMMERCE
LEI 2IGI19DL77OX0HC3ZE78

CITIGROUP GLOBAL MARKETS INC.
SEC 8-8177

CITIGROUP GLOBAL MARKETS LIMITED
LEI XKZZ2JZF41MRHTR1V493

GOLDMAN SACHS & CO. LLC
SEC 8-129

GOLDMAN SACHS INTERNATIONAL
LEI W22LROWP2IHZNBB6K528

HSBC BANK PLC
LEI MP6I5ZYZBEU3UXPYFY54

HSBC SECURITIES (USA) INC.
SEC 8-41562

J.P. MORGAN SECURITIES LLC
SEC 8-35008

J.P. MORGAN SECURITIES PLC
LEI K6Q0W1PS1L1O4IQL9C32

MORGAN STANLEY & CO. INTERNATIONAL PLC
LEI 4PQUHN3JPFGFNF3BB653

MORGAN STANLEY & CO. LLC
SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
SEC 8-26740

NATIXIS
LEI KX1WK48MPD4Y2NCUIZ63

NOMURA INTERNATIONAL PLC
LEI DGQCSV2PHVF7I2743539

RBC DOMINION SECURITIES INC
LEI 549300QJJX6CVVUXLE15

RBC EUROPE LIMITED
LEI TXDSU46SXBWIGJ8G8E98

STATE STREET BANK AND TRUST COMPANY
LEI 54930040JC7I4R2I8K66

TD SECURITIES (USA) LLC
SEC 8-36747

THE BANK OF NOVA SCOTIA
LEI L3I9ZG2KFGXZ61BMYR72

UBS SECURITIES LLC
SEC 8-22651

WELLS FARGO BANK N.A.
LEI KB1H1DSPRFMYMCUFXT09

WELLS FARGO SECURITIES, LLC
SEC 8-65876

BARCLAYS CAPITAL INC.
CRD 19714 · SEC 8-41342

BNP PARIBAS SECURITIES CORP.
CRD 15794 · SEC 8-32682

BOFA SECURITIES, INC.
CRD 283942 · SEC 8-69787

CITIGROUP GLOBAL MARKETS INC.
CRD 7059 · SEC 8-8177

GOLDMAN SACHS & CO. LLC
CRD 361 · SEC 8-129

J.P. MORGAN SECURITIES LLC
CRD 79 · SEC 8-35008

MORGAN STANLEY & CO. LLC
CRD 8209 · SEC 8-15869

NATIONAL FINANCIAL SERVICES LLC
CRD 13041 · SEC 8-26740

UBS SECURITIES LLC
CRD 7654 · SEC 8-22651

WELLS FARGO SECURITIES, LLC
CRD 126292 · SEC 8-65876

Fund details & source

Fund ID: 805-3947982062
Reported beneficial owners: 316
Minimum commitment: $3M
Form D file number: 021-134840
Form D file number: 021-98200

Form ADV 2116598 · Jun 30, 2026 · Schedule D 7.B.(1)

Official IAPD profile (latest public filing). Values are the most recently reported in our imported data; the public profile may show a newer filing.

HBK MERGER STRATEGIES MASTER FUND L.P.Hedge Fund · Last reported Jun 30, 2026$3.55BGross asset value