California Public Employees Retirement System Prothena Corp Public LTD CO Transaction History

California Public Employees Retirement System

$141 Billion
Q3 2024

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2021 Aug 13, 2021	SELL	$21.63 - $57.65 $1.35 Million - $3.6 Million	-62,500 Closed	0 $0
Q1 2021 May 14, 2021	SELL	$11.0 - $28.24 $64,724 - $166,164	-5,884 Reduced 8.6%	62,500 $1.57 Million
Q4 2020 Feb 02, 2021	SELL	$10.12 - $13.94 $13,155 - $18,122	-1,300 Reduced 1.87%	68,384 $821,000
Q3 2020 Nov 05, 2020	BUY	$9.93 - $13.47 $14,895 - $20,205	1,500 Added 2.2%	69,684 $696,000
Q2 2020 Aug 12, 2020	SELL	$9.56 - $12.51 $202,251 - $264,661	-21,156 Reduced 23.68%	68,184 $713,000
Q1 2020 May 12, 2020	BUY	$7.54 - $15.77 $33,176 - $69,388	4,400 Added 5.18%	89,340 $956,000
Q4 2019 Jan 27, 2020	BUY	$7.48 - $17.01 $169,048 - $384,426	22,600 Added 36.25%	84,940 $1.35 Million
Q3 2019 Oct 31, 2019	BUY	$6.89 - $10.45 $64,414 - $97,697	9,349 Added 17.64%	62,340 $489,000
Q2 2019 Aug 15, 2019	BUY	$8.85 - $12.49 $59,215 - $83,570	6,691 Added 14.45%	52,991 $560,000
Q4 2018 Feb 08, 2019	SELL	$8.73 - $13.74 $64,828 - $102,033	-7,426 Reduced 13.82%	46,300 $477,000
Q3 2018 Nov 13, 2018	SELL	$12.7 - $15.79 $43,713 - $54,349	-3,442 Reduced 6.02%	53,726 $703,000
Q2 2018 Aug 15, 2018	SELL	$10.99 - $44.21 $32,222 - $129,623	-2,932 Reduced 4.88%	57,168 $834,000
Q1 2018 May 11, 2018	SELL	$27.95 - $45.04 $81,055 - $130,616	-2,900 Reduced 4.6%	60,100 $2.21 Million
Q4 2017 Feb 06, 2018	BUY	$35.44 - $63.76 $81,512 - $146,648	2,300 Added 3.79%	63,000 $2.36 Million
Q3 2017 Nov 15, 2017	BUY	$53.83 - $67.75 $3.27 Million - $4.11 Million	60,700	60,700 $3.93 Million

Others Institutions Holding PRTA

# of Institutions

186

Shares Held

42.8M

Call Options Held

162K

Put Options Held

102K

Eco R1 Capital, LLC San Francisco, CA

11.6M
Shares

$160 Million
8.41% of portfolio
Wellington Management Group LLP Boston, MA

4.18M
Shares

$57.5 Million
0.01% of portfolio
Black Rock Inc. New York, NY

3.86M
Shares

$53.1 Million
0.0% of portfolio
Price T Rowe Associates Inc Baltimore, MD

3.82M
Shares

$52.6 Million
0.01% of portfolio
Palo Alto Investors LP Palo Alto, CA

1.74M
Shares

$23.9 Million
4.0% of portfolio

View Full List

About PROTHENA CORP PUBLIC LTD CO

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $646M
Description
Prothena Corporation plc, a late-stage clinical company, focuses on discovery and development of novel therapies for life-threatening diseases in the United States. The company is involved in developing Birtamimab, an investigational humanized antibody that is in Phase III clinical trial for the treatment of AL amyloidosis; Prasinezumab, a human...

More about PRTA

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