AMALGAMATED BANK - PROTHENA CORP PLC ownership

PROTHENA CORP PLC's ticker is PRTA and the CUSIP is G72800108. A total of 189 filers reported holding PROTHENA CORP PLC in Q1 2023. The put-call ratio across all filers is 0.56 and the average weighting 0.4%.

Quarter-by-quarter ownership
AMALGAMATED BANK ownership history of PROTHENA CORP PLC
ValueSharesWeighting
Q3 2023$305
-27.9%
6,327
+2.2%
0.00%0.0%
Q2 2023$423
+61.5%
6,189
+14.3%
0.00%
+50.0%
Q1 2023$262
-29.0%
5,414
-11.6%
0.00%
-33.3%
Q4 2022$369
-99.9%
6,126
+7.1%
0.00%0.0%
Q3 2022$347,000
+126.8%
5,720
+1.6%
0.00%
+200.0%
Q2 2022$153,000
-24.6%
5,631
+1.6%
0.00%
-50.0%
Q1 2022$203,000
-65.2%
5,541
-53.1%
0.00%0.0%
Q4 2021$584,000
+40.4%
11,822
+102.6%
0.00%
-50.0%
Q3 2021$416,000
+33.3%
5,835
-3.7%
0.00%
+33.3%
Q2 2021$312,000
-1.3%
6,060
+24.4%
0.00%
-70.0%
Q3 2017$316,000
+23.4%
4,872
+3.0%
0.01%
+25.0%
Q2 2017$256,000
+8.0%
4,731
+11.2%
0.01%
-33.3%
Q1 2017$237,000
+12.9%
4,255
-0.3%
0.01%
+33.3%
Q4 2016$210,000
-4.5%
4,267
+16.1%
0.01%
-30.8%
Q3 2016$220,000
+5.8%
3,674
+0.1%
0.01%
+8.3%
Q2 2016$208,000
+2.0%
3,670
+22.3%
0.01%
-52.0%
Q4 2015$204,0003,0010.02%
Other shareholders
PROTHENA CORP PLC shareholders Q1 2023
NameSharesValueWeighting ↓
EcoR1 Capital, LLC 9,426,640$73,905,0009.33%
GREAT POINT PARTNERS LLC 2,066,041$16,198,0001.49%
LONESTAR CAPITAL MANAGEMENT LLC 300,000$2,352,0000.78%
TANG CAPITAL MANAGEMENT LLC 423,823$3,323,0000.57%
Palo Alto Investors LP 1,004,449$7,875,0000.52%
Orbimed Advisors 3,022,117$23,693,0000.45%
Kerrisdale Advisers, LLC 61,640$483,0000.30%
Endurant Capital Management LP 86,407$677,0000.24%
Campbell & CO Investment Adviser LLC 47,901$376,0000.14%
Boxer Capital, LLC 79,598$624,0000.04%
View complete list of PROTHENA CORP PLC shareholders