Renaissance Technologies - DYAX CORP ownership

DYAX CORP's ticker is DYAX and the CUSIP is 26746E103. A total of 210 filers reported holding DYAX CORP in Q4 2015. The put-call ratio across all filers is 3.54 and the average weighting 0.5%.

Quarter-by-quarter ownership
Renaissance Technologies ownership history of DYAX CORP
ValueSharesWeighting
Q3 2015$6,554,000
+46.8%
343,308
+103.7%
0.02%
+60.0%
Q2 2015$4,465,000
-0.9%
168,500
-64.1%
0.01%
-9.1%
Q2 2014$4,504,000
-32.5%
469,186
-36.8%
0.01%
-31.2%
Q1 2014$6,670,000
+67.7%
742,804
+40.7%
0.02%
+60.0%
Q4 2013$3,978,000
+513.9%
528,000
+459.3%
0.01%
+400.0%
Q3 2013$648,00094,4000.00%
Other shareholders
DYAX CORP shareholders Q4 2015
NameSharesValueWeighting ↓
LOEB PARTNERS CORP 1,353,621$50,923,00016.31%
Sio Capital Management, LLC 687,600$25,868,00011.45%
RA Capital Management 2,717,618$102,237,00010.12%
Cormorant Asset Management, LP 1,400,000$52,668,0006.30%
Perceptive Advisors 1,819,215$68,439,0005.06%
FT Options LLC 168,700$6,346,0004.68%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 2,242,073$84,347,0003.42%
HARVEST MANAGEMENT LLC 70,000$2,633,0002.65%
Baker Brothers Advisors 8,310,017$312,623,0002.59%
ALPINE ASSOCIATES MANAGEMENT INC. 1,885,000$70,914,0002.33%
View complete list of DYAX CORP shareholders