Byrne Asset Management LLC - 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
Byrne Asset Management LLC ownership history of PROTHENA CORP PLC
ValueSharesWeighting
Q3 2023$14,000
+77677.8%
280
+7.7%
0.01%0.0%
Q2 2023$18
+12.5%
260
-18.8%
0.01%
+9.1%
Q1 2023$16
-99.9%
320
+54.6%
0.01%
+22.2%
Q4 2022$12,4722070.01%
Other shareholders
PROTHENA CORP PLC shareholders Q1 2023
NameSharesValueWeighting ↓
Woodford Investment Management Ltd 10,304,751$360,254,00016.93%
Palo Alto Investors LP 788,618$27,570,0002.08%
Redmile Group, LLC 487,406$17,040,0001.63%
TURNER INVESTMENTS LLC 78,870$2,757,0000.86%
Rock Springs Capital Management LP 308,000$10,768,0000.80%
SECTORAL ASSET MANAGEMENT INC 174,746$6,109,0000.63%
BB BIOTECH AG 350,000$12,236,0000.48%
MARINER INVESTMENT GROUP LLC 33,104$1,157,0000.39%
PINNACLE ASSOCIATES LTD 436,417$15,257,0000.33%
OAK RIDGE INVESTMENTS LLC 364,250$12,734,0000.33%
View complete list of PROTHENA CORP PLC shareholders