Sarissa Capital Management Lp
- Regulatory AUM
- $298M
- Discretionary
- $298M
- Clients
- 6
- Avg AUM / client
- $49.7M
- Accounts
- 6
- Employees
- 4
AUM over time
Reported AUM from Form ADV filings, plotted by filing date · as of Jul 08, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|---|---|---|
| Pooled investment vehicles (non-investment companies) | 6 | $298M | 100.0% |
Private funds (5)
Reported in Form ADV Section 7.B.(1), filing of Mar 2024 · $907M combined gross assets
| Fund | Type | Domicile | Gross assets | Owners |
|---|---|---|---|---|
| Isp Fund Lp | Hedge Fund | Delaware | $320M | 1 |
| Sarissa Capital Hawkeye Fund Lp | Hedge Fund | Delaware | $233M | 1 |
| Sarissa Capital Offshore Master Fund Lp master | Hedge Fund | Cayman Islands | $188M | 28 |
| Sarissa Capital Catapult Fund Llc | Hedge Fund | Delaware | $153M | 1 |
| Sarissa Capital Master Fund Ii Lp master | Hedge Fund | Cayman Islands | $12.4M | 11 |
People (3)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Denner, Alexander, John | Chief Executive Officer/Chief Investment Officer | Apr 2013 (13y) | 75% or more | |
| Dipaolo, Mark, Anthony | Chief Legal Officer/General Counsel | Apr 2013 (13y) | Less than 5% | |
| Bonfiglio, Patrice, Eadon | Chief Compliance Officer | Jan 2023 (4y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Sarissa Capital Management Gp Llc | General Partner | Apr 2013 | A | Less than 5% |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Private funds (5, $907M gross assets)
| Fund | Type | Gross assets | Min. investment | Owners |
|---|---|---|---|---|
| Isp Fund Lp | Hedge Fund | $320M | $10.0M | 1 |
| Sarissa Capital Hawkeye Fund Lp | Hedge Fund | $233M | $10.0M | 1 |
| Sarissa Capital Offshore Master Fund Lp | Hedge Fund | $188M | $10.0M | 28 |
| Sarissa Capital Catapult Fund Llc | Hedge Fund | $153M | $10.0M | 1 |
| Sarissa Capital Master Fund Ii Lp | Hedge Fund | $12.4M | $10.0M | 11 |
From Form ADV Section 7.B private fund reporting.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 07/08/2026 | 1.95 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
- • Performance-based fees
Services
- • Portfolio management for pooled investment vehicles
- • Portfolio management for businesses/institutional clients
Custody
Reported custodians
- Morgan Stanley $8.6M (2% of AUM) Jul 2025
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports having custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Jul 08, 2026.
View current Form ADV (SEC/IAPD) ↗