GROUP ONE TRADING, L.P. - DYAX CORP ownership

DYAX CORP's ticker is DYAX and the CUSIP is 26746E103. A total of 167 filers reported holding DYAX CORP in Q4 2014. The put-call ratio across all filers is 0.24 and the average weighting 0.3%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of DYAX CORP
ValueSharesWeighting
Q4 2015$4,980,000
+394.5%
132,374
+151.0%
0.06%
+321.4%
Q3 2015$1,007,000
+994.6%
52,746
+1425.3%
0.01%
+1300.0%
Q2 2015$92,000
-38.7%
3,458
-61.3%
0.00%
-50.0%
Q1 2015$150,000
+42.9%
8,939
+19.3%
0.00%0.0%
Q4 2014$105,000
-19.8%
7,493
-48.7%
0.00%0.0%
Q1 2014$131,000
-45.9%
14,600
-54.6%
0.00%
-50.0%
Q4 2013$242,000
+124.1%
32,163
+105.1%
0.00%
+100.0%
Q3 2013$108,00015,6820.00%
Other shareholders
DYAX CORP shareholders Q4 2014
NameSharesValueWeighting ↓
RA Capital Management 7,809,139$79,028,0009.34%
VHCP Management, LLC 2,000,859$20,249,0009.10%
LOEB PARTNERS CORP 1,481,256$14,990,0004.97%
Cormorant Asset Management, LP 1,500,000$15,180,0003.12%
Perceptive Advisors 2,835,498$28,695,0003.08%
Eventide Asset Management 1,330,400$13,464,0001.88%
DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) 2,954,684$29,901,0001.09%
Iguana Healthcare Management, LLC 185,000$1,872,0001.00%
QVT Financial LP 1,656,300$16,762,0000.86%
Baker Brothers Advisors 6,157,789$62,317,0000.78%
View complete list of DYAX CORP shareholders