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Institutional Investment Manager
Sarissa Capital Management LP
Sarissa Capital Management LP (CIK: 0001577524) incorporated in Delaware, located at 500 West Putnam Avenue, Suite 400, Greenwich, CT. Institutional holdings reported to the SEC.

Institutional Holdings (2014Q1)
Portfolio Summary: 15 holdings with a total value of $290,423,000.
#
Name
Shares
Value ($)
%
Options
Notes
1 ARIAD PHARMACEUTICALS INC 12,000,000 96,720,000 33.30%
2 QUEST DIAGNOSTICS INC 775,000 44,888,000 15.46%
3 BIO-REFERENCE LABS INC 1,280,984 35,458,000 12.21%
4 Idenix Pharmaceuticals Inc 5,050,100 30,452,000 10.49%
5 MERCK & CO INC 400,000 22,708,000 7.82%
6 MALLINCKRODT PUB LTD CO SHS 274,895 17,431,000 6.00%
7 VIVUS INC 2,573,943 15,289,000 5.26%
8 REPROS THERAPEUTICS INC 560,600 9,945,000 3.42%
9 AVEO PHARMACEUTICALS INC 2,570,759 3,843,000 1.32%
10 LABORATORY CORP AMER HLDGS 37,824 3,715,000 1.28%
11 INTRA CELLULAR THERAPIES INC COM 126,695 2,303,000 0.79%
12 ONCONOVA THERAPEUTICS 350,000 2,219,000 0.76%
13 ENANTA PHARMACEUTICALS INC COM 50,000 2,000,000 0.69%
14 KINDRED BIOSCIENCES INC 101,825 1,887,000 0.65%
15 TARGACEPT INC 329,516 1,565,000 0.54%

Portfolio data is normalized using SEC Form 13F filings, including the Original 13F-HR (0001140361-14-021259, filed 2014.05.15).

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.