Investment adviser · CRD 167244

SARISSA CAPITAL MANAGEMENT LP

Investment adviser filing (IA)

GREENWICH, CT, United States · Form ADV filed Jul 8, 2026

Regulatory AUM: $298M
Client accounts: 6
Employees: 4
Advisory professionals: 3

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	6	$298,342,350	100.0%

Filing source

Form ADV 2118421 · Jul 8, 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

7 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.

SARISSA CAPITAL DOMESTIC FUND LPHedge Fund · Last reported Feb 24, 2017$321MGross asset value

Form D fundraising filings

Sarissa Capital Domestic Fund LP

Fund administrator CITCO (CANADA) INC. TORONTO, ONTARIO, Canada Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

Custodian CITIBANK, N.A. GREENWICH, Connecticut, United States Related to adviser: No

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

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

Prime broker J.P. MORGAN CLEARING CORP. NEW YORK, New York, United States

Provider details

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

DEUTSCHE BANK SECURITIES INC.
CRD 2525 · SEC 8-17822

J.P. MORGAN CLEARING CORP.
CRD 28432 · SEC 8-43724

Fund details & source

Fund ID: 805-8462747806
Reported beneficial owners: 25
Minimum commitment: $10M
Form D file number: 021-195692

Form ADV 1077739 · Feb 24, 2017 · 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.

SARISSA CAPITAL CATAPULT FUND LLCHedge Fund · Last reported Jul 8, 2026$131MGross asset value

Form D fundraising filings

Sarissa Capital Catapult Fund LLC

Fund administrator MORGAN STANLEY FUND SERVICES USA LLC NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

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

Custodian NORTHERN TRUST INTERNATIONAL BANKING CORPORATION JERSEY CITY, New Jersey, United States Related to adviser: No

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

Provider details

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

ERNST & YOUNG LTD.
PCAOB 1655

MORGAN STANLEY & CO. LLC
SEC 8-15869

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

Fund details & source

Fund ID: 805-9420730056
Reported beneficial owners: 1
Minimum commitment: $10M
Form D file number: 021-295264

Form ADV 2118421 · Jul 8, 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.

ISP FUND LPHedge Fund · Last reported Jul 8, 2026$79.5MGross asset value

Fund administrator MORGAN STANLEY FUND SERVICES USA LLC NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

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

Custodian NORTHERN TRUST INTERNATIONAL BANKING CORPORATION JERSEY CITY, New Jersey, United States Related to adviser: No

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

Provider details

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

ERNST & YOUNG LTD.
PCAOB 1655

MORGAN STANLEY & CO. LLC
SEC 8-15869

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

Fund details & source

Fund ID: 805-1321129588
Reported beneficial owners: 1
Minimum commitment: $10M

Form ADV 2118421 · Jul 8, 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.

SARISSA CAPITAL OFFSHORE MASTER FUND LPHedge Fund · Last reported Jul 8, 2026$65.9MGross asset value

Feeder funds

Fund administrator MORGAN STANLEY FUND SERVICES (CAYMAN) LTD. DUBLIN, Ireland Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

Custodian MERRILL LYNCH PROFESSIONAL CLEARING CORP. NEW YORK, New York, United States Related to adviser: No

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

Custodian MORGAN STANLEY PRIVATE BANK NATIONAL ASSOCIATION NEW YORK, New York, United States Related to adviser: No

Custodian NORTHERN TRUST INTERNATIONAL BANKING CORPORATION JERSEY CITY, New Jersey, United States Related to adviser: No

Prime broker MERRILL LYNCH PROFESSIONAL CLEARING CORP. NEW YORK, New York, United States

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

Provider details

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

ERNST & YOUNG LTD.
PCAOB 1655

MERRILL LYNCH PROFESSIONAL CLEARING CORP.
SEC 8-33359

MORGAN STANLEY & CO. LLC
SEC 8-15869

MERRILL LYNCH PROFESSIONAL CLEARING CORP.
CRD 16139 · SEC 8-33359

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

Fund details & source

Fund ID: 805-5325986873
Reported beneficial owners: 28
Minimum commitment: $10M
Form D file number: 021-195692
Form D file number: 021-458500

Form ADV 2118421 · Jul 8, 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.

SARISSA CAPITAL HAWKEYE FUND LPHedge Fund · Last reported Jul 8, 2026$22.2MGross asset value

Fund administrator MORGAN STANLEY FUND SERVICES USA LLC NEW YORK, New York, United States Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

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

Custodian NORTHERN TRUST INTERNATIONAL BANKING CORPORATION JERSEY CITY, New Jersey, United States Related to adviser: No

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

Provider details

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

ERNST & YOUNG LTD.
PCAOB 1655

MORGAN STANLEY & CO. LLC
SEC 8-15869

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

Fund details & source

Fund ID: 805-1243305027
Reported beneficial owners: 1
Minimum commitment: $10M

Form ADV 2118421 · Jul 8, 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.

SARISSA CAPITAL ATHENA FUND LTDHedge Fund · Last reported Mar 31, 2023$59.4MGross asset value

Feeder funds

SARISSA CAPITAL ATHENA OFFSHORE FUND LTD

Fund administrator MORGAN STANLEY FUND SERVICES (CAYMAN) LTD. DUBLIN, Ireland Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

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

Custodian NORTHERN TRUST INTERNATIONAL BANKING CORPORATION JERSEY CITY, New Jersey, United States Related to adviser: No

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

Provider details

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

ERNST & YOUNG LTD.
PCAOB 1655

MORGAN STANLEY & CO. LLC
SEC 8-15869

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

Fund details & source

Fund ID: 805-3972217771
Reported beneficial owners: 3
Minimum commitment: $10M

Form ADV 1732974 · Mar 31, 2023 · 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.

SARISSA CAPITAL MASTER FUND II LPHedge Fund · Last reported Jul 31, 2025$9.79MGross asset value

Feeder funds

Fund administrator MORGAN STANLEY FUND SERVICES (CAYMAN) LTD. DUBLIN, Ireland Investor statements: Yes (provided to all investors) Related to adviser: No

Auditor ERNST & YOUNG LTD. GRAND CAYMAN, Cayman Islands

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

Custodian NORTHERN TRUST INTERNATIONAL BANKING CORPORATION JERSEY CITY, New Jersey, United States Related to adviser: No

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

Provider details

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

ERNST & YOUNG LTD.
PCAOB 1655

MORGAN STANLEY & CO. LLC
SEC 8-15869

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

Fund details & source

Fund ID: 805-5669762217
Reported beneficial owners: 11
Minimum commitment: $10M
Form D file number: 021-367776
Form D file number: 021-367783

Form ADV 2005242 · Jul 31, 2025 · 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.

Services & filing details

Most recent filing: Jul 8, 2026. View historical filings

Reported services

Pooled investment vehicle management · Business portfolio management

Compensation

Percentage of assets · Performance-based

Principal office

500 WEST PUTNAM AVENUE, SUITE 400
GREENWICH, CT, 06830, United States

CRD 167244

Filing source

Form ADV 2118421 · Jul 8, 2026 · Items 1 & 5

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