Granahan Investment Management - PTC THERAPEUTICS INC ownership

PTC THERAPEUTICS INC's ticker is PTCT and the CUSIP is 69366J200. A total of 159 filers reported holding PTC THERAPEUTICS INC in Q2 2015. The put-call ratio across all filers is 1.33 and the average weighting 0.1%.

Quarter-by-quarter ownership
Granahan Investment Management ownership history of PTC THERAPEUTICS INC
ValueSharesWeighting
Q4 2015$12,352,000
+95.9%
381,227
+61.5%
0.42%
+117.9%
Q3 2015$6,304,000
+12.4%
236,100
+102.7%
0.20%
+22.6%
Q2 2015$5,607,000
-12.2%
116,500
+11.0%
0.16%
-13.1%
Q1 2015$6,389,000
-85.8%
105,000
-87.9%
0.18%
-86.1%
Q4 2014$44,993,000
+16.2%
869,101
-1.2%
1.31%
+9.9%
Q3 2014$38,711,000
+68.2%
879,602
-0.1%
1.20%
+77.8%
Q2 2014$23,015,000
-2.3%
880,463
-2.3%
0.67%
+5.8%
Q1 2014$23,563,000901,4230.64%
Other shareholders
PTC THERAPEUTICS INC shareholders Q2 2015
NameSharesValueWeighting ↓
RTW INVESTMENTS, LP 7,235,196$162,140,7423.42%
Camber Capital Management LP 3,400,000$76,1942.51%
ARMISTICE CAPITAL, LLC 6,150,000$137,821,5002.11%
GREAT POINT PARTNERS LLC 500,000$11,205,0002.04%
COWEN AND COMPANY, LLC 799,511$17,917,0411.25%
GEORGE KAISER FAMILY FOUNDATION 45,816$6,491,2111.22%
SPHERA FUNDS MANAGEMENT LTD. 218,459$4,895,6660.89%
SECTORAL ASSET MANAGEMENT INC 187,016$4,191,0290.82%
Nebula Research & Development LLC 21,858$489,8380.26%
Phocas Financial Corp. 64,701$1,450,0000.21%
View complete list of PTC THERAPEUTICS INC shareholders