Sarissa Capital Management LP

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Sarissa Capital Management LP
CRD #167244
SEC #801-77926
CIK #0001577524
AUM 298.3 M (2026-03-31)
Employees 4 (75% Investors, 0% Brokers)
Phone203-302-2330
Address500 West Putnam Avenue
Greenwich, CT 06830
Source [IAPD] [EDGAR] [Website] [LinkedIn]
Total AUM ($M)
1400112084056028002010201520212027
Sector Form 13F Holdings Value ($M)
Theravance Inc 49.7
Ironwood Pharmaceuticals Inc 32.3
Amarin Corp PLC UK 24.2
Neurocrine Biosciences Inc 15.4
Cytokinetics Inc 15.1
Lantheus Holdings Inc 12.7
Biohaven Ltd 4.8
Regeneron Pharmaceuticals Inc 3.2
Vor Biopharma Inc 0.5
 
 
Holdings by Sector ($M)
1300104078052026002013201720222027
Type Form D Funds Date Sold AUM
HF ISP Fund LP 2021-03-31 79.5 M
HF Sarissa Capital Master Fund II LP [2021-03-31] 9.0 M 9.8 M
Filed 2024-05-10 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Sarissa Capital Athena Fund Ltd 2020-03-30 59.4 M
HF Sarissa Capital Hawkeye Fund LP 2020-03-30 22.2 M
HF Sarissa Capital Catapult Fund LLC [2018-03-29] 132.3 M 130.7 M
Filed 2025-11-12 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Sarissa Capital Domestic Fund LP [2013-04-02] 351.7 M 321.5 M
Filed 2025-07-16 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF Sarissa Capital Offshore Master Fund LP [2013-04-02] 65.9 M
Filed 2025-07-16 (D/A) · Exemption 506(b), 3(c), 3(c)(7) · Minimum $100,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
AUM Breakdown Accounts AUM ($M)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 6 298.3
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 6 298.3
By Discretionary
Discretionary 6 298.3
Non-Discretionary 0 0.0
Total 6 298.3
By Non-United States Persons
Non-United States Persons 39.6
United States Persons 258.8
Total 6 298.3
Form D Directors Role # Filings # Firms 2011 - 2026
Geoff Ruddick Director 256 66
Jonathan Roney Director 99 18
Alexander Denner Director, Executive Officer 6 2
Sarissa Capital Fund GP LP Director 1 1
Mark Dipaolo Executive Officer 1 1
Patrice Bonfiglio Executive Officer 1 1
EDGAR Form CIK 2011 - 2026
13F-HR [0001577524]
3 [0001577524]
4 [0001577524]
SC 13D [0001577524]
SC 13G [0001577524]
Form 13D/13G Filer Form 13D/13G Subject Filed
Sarissa Capital Management LP Amarin Corp PLC UK [2022-01-24]
Sarissa Capital Management LP Alkermes PLC [2021-05-10]
Sarissa Capital Management LP Mersana Therapeutics Inc [2021-01-25]
Sarissa Capital Management LP Biocryst Pharmaceuticals Inc [2021-01-25]
Sarissa Capital Management LP Iterum Therapeutics PLC [2020-11-23]
Sarissa Capital Management LP Medicines Co /DE [2019-05-30]
Sarissa Capital Management LP Regulus Therapeutics Inc [2019-05-17]
Sarissa Capital Management LP Ironwood Pharmaceuticals Inc [2019-05-16]
Sarissa Capital Management LP Mersana Therapeutics Inc [2019-03-11]
Sarissa Capital Management LP Innoviva Inc [2019-02-25]
View All
Firm Profile (Form ADV)
Discretionary AUM$0.6B
ServesInstitutional
Fund TypesHedge Fund
Form 3/4/5 Subject 2011 - 2026
Denner Alexander J
Ironwood Pharmaceuticals Inc
Sarissa Capital Management LP
Theravance Inc
Sarissa Capital Catapult Fund LLC
Sarissa Capital Offshore Master Fund LP
Sarissa Capital Master Fund II LP
Iterum Therapeutics Ltd
Sarissa Capital Hawkeye Fund LP
Sarissa Capital Acquisition Corp
View All
Insider Transaction (Form 3/4/5) Date Action Shares Price Value ($)
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2025-12-15 Grant 4,178 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2025-06-13 Grant 24,193 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2025-06-10 Grant 45,000 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2025-04-02 Grant 10,416 $0.00
Theravance Inc INVA
Common Stock, par value $0.01 per share
2025-03-06 Sell 1,196,746 $17.52 20,966,990
Theravance Inc INVA
Common Stock, par value $0.01 per share
2025-03-05 Sell 270,374 $17.63 4,766,694
Theravance Inc INVA
Common Stock, par value $0.01 per share
2025-03-04 Sell 151,175 $17.63 2,665,215
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2024-12-16 Grant 4,249 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2024-09-16 Grant 3,282 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2024-06-18 Grant 24,311 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2024-06-15 Grant 2,572 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2024-03-15 Grant 1,662 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2023-12-15 Grant 1,347 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2023-09-15 Grant 1,798 $0.00
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2023-06-20 Grant 22,350 $0.00
Theravance Inc INVA
Common Stock, par value $0.01 per share
2023-06-15 Buy 62,000 $13.13 814,060
Ironwood Pharmaceuticals Inc IRWD
Class A Common Stock
2023-06-15 Grant 1,359 $0.00
Theravance Inc INVA
Common Stock, par value $0.01 per share
2023-06-06 Buy 8,000 $13.05 104,400
Theravance Inc INVA
Common Stock, par value $0.01 per share
2023-06-05 Buy 7,000 $13.04 91,280
Theravance Inc INVA
Common Stock, par value $0.01 per share
2023-05-30 Buy 120,000 $13.01 1,561,200
showing 20 of 57 most recent transactions
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