SECTORAL ASSET MANAGEMENT INC - PROTHENA CORP PLC ownership

PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 156 filers reported holding PROTHENA CORP PLC in Q3 2017. The put-call ratio across all filers is 2.30 and the average weighting 0.3%.

Quarter-by-quarter ownership
SECTORAL ASSET MANAGEMENT INC ownership history of PROTHENA CORP PLC
ValueSharesWeighting
Q3 2023$8,318,638
-19.8%
172,407
+13.5%
1.62%
-6.3%
Q2 2023$10,368,181
+74.3%
151,848
+23.7%
1.73%
+51.1%
Q1 2023$5,949,693
-14.3%
122,750
+6.6%
1.14%
-14.8%
Q4 2022$6,940,800
+0.6%
115,200
-37.4%
1.34%
+55.8%
Q4 2017$6,901,000
-45.6%
184,063
-6.0%
0.86%
-47.3%
Q3 2017$12,689,000
+55.2%
195,909
+29.7%
1.64%
+82.9%
Q2 2017$8,175,000
+3.9%
151,046
+7.1%
0.89%
-2.7%
Q1 2017$7,869,000
+29.4%
141,046
+14.1%
0.92%
+36.4%
Q4 2016$6,082,000
-18.2%
123,646
-0.2%
0.67%
-7.7%
Q3 2016$7,433,000
+21.7%
123,946
-29.1%
0.73%
+15.7%
Q2 2016$6,109,000
-62.7%
174,746
-56.1%
0.63%
-20.3%
Q1 2016$16,386,000398,1000.79%
Other shareholders
PROTHENA CORP PLC shareholders Q3 2017
NameSharesValueWeighting ↓
RA Capital Management 1,554,918$59,569,0004.27%
Cormorant Asset Management, LP 350,000$13,409,0003.08%
Redmile Group, LLC 559,611$21,439,0002.56%
Ghost Tree Capital, LLC 110,000$4,214,0002.50%
Atika Capital Management LLC 57,500$2,203,0001.88%
Palo Alto Investors LP 1,065,836$40,832,0001.69%
Perceptive Advisors 350,000$13,409,0001.41%
Orbimed Advisors 1,889,000$72,368,0000.89%
Rock Springs Capital Management LP 65,000$2,490,0000.57%
Cupps Capital Management, LLC 164,199$6,290,0000.48%
View complete list of PROTHENA CORP PLC shareholders