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SARISSA CAPITAL MANAGEMENT LP

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GREENWICH CT Investment Advisor Hedge Fund Activist Investor
13F Summary

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Equal-WT
WhaleScore 2.0 ?

85

S&P 500
WhaleScore ?

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Equal-WT
WhaleScore 1.0 ?

Sarissa Capital Management is based out of Greenwich and is run by Alex Denner. Sarissa Capital Management is a hedge fund with 12 clients and discretionary assets under management (AUM) of $1,075,632,879 (Form ADV from 2023-03-31). Their last reported 13F filing for Q4 2023 included $648,896,720 in managed 13F securities and a top 10 holdings concentration of 100.0%. Sarissa Capital Management's largest holding is Ironwood Pharmaceuticals Inc with shares held of 16,390,000. Whalewisdom has at least 42 13F filings, 84 13D filings, and 3 13G filings

2023-12-31

Top Buys (13F)

2023-12-31

Top Sells (13F)

Name % Change
ALKS Alkermes Plc. 26.57%
MRSN Mersana Therapeutics 0.09%

2023-12-31

13F Holdings Summary

Name $ Change
IRWD Ironwood Pharmaceuti 28.9%
BIIB Biogen Inc 25.64%
INVA Innoviva Inc 17.99%
GILD Gilead Sciences Inc. 13.43%
NBIX Neurocrine Bioscienc 9.54%

2023-12-31

13F Activity

Market Value $0.65b, Prior: $0.74b
New Purchases 0 stocks
Added To 4 stocks
Sold out of 2 stocks
Reduced holdings in 0 stocks
Top 10 Holdings % 100%
Turnover %[1] 22.22%
Turnover Alt %[2] 6.19%
Time Held Top 20 16.6667 quarters
Time Held Top 10 14.6667 quarters
Time Held All 16.67 quarters

[1]: Turnover is calculated by taking the # of new holdings (initial purchases) + the # of positions sold out of (not just reduced) divided by the total # of holdings for the quarter.

[2]: Alt Turnover is calculated by taking either the total MV of new purchases or the MV of securities sold, whichever is less, divided by the total MV of the fund.

2023-12-31

13F Sector Allocation Over Time

2023-12-31

Analysis

Top 20 equal-weighted holdings. Performance numbers calculated through 2023-12-31

Portfolio Performance