Palo Alto Investors LP Prothena Corp Public LTD CO Transaction History

Palo Alto Investors LP

$727 Million
Q3 2024

A detailed history of Palo Alto Investors LP transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Palo Alto Investors LP holds 1,737,964 shares of PRTA stock, worth $25.9 Million. This represents 4.0% of its overall portfolio holdings.

Number of Shares

1,737,964

Previous 1,666,378 4.3%

Holding current value

$25.9 Million

Previous $34.4 Million 15.46%

% of portfolio

4.0%

Previous 4.35%

22 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2024 Nov 14, 2024	BUY	$16.73 - $24.79 $1.2 Million - $1.77 Million	71,586 Added 4.3%	1,737,964 $29.1 Million
Q2 2024 Aug 14, 2024	BUY	$19.54 - $26.15 $57,252 - $76,619	2,930 Added 0.18%	1,666,378 $34.4 Million
Q1 2024 May 15, 2024	BUY	$24.75 - $40.66 $83,927 - $137,878	3,391 Added 0.2%	1,663,448 $41.2 Million
Q4 2023 Feb 14, 2024	BUY	$32.31 - $52.32 $83,973 - $135,979	2,599 Added 0.16%	1,660,057 $60.3 Million
Q2 2023 Aug 14, 2023	SELL	$48.26 - $78.59 $304,954 - $496,610	-6,319 Reduced 0.38%	1,657,458 $113 Million
Q1 2023 May 15, 2023	BUY	$46.97 - $58.27 $244,244 - $303,004	5,200 Added 0.31%	1,663,777 $80.6 Million
Q4 2022 Feb 14, 2023	BUY	$52.05 - $65.0 $458,040 - $572,000	8,800 Added 0.53%	1,658,577 $99.9 Million
Q3 2022 Nov 14, 2022	SELL	$25.16 - $60.63 $797,572 - $1.92 Million	-31,700 Reduced 1.89%	1,649,777 $100 Million
Q1 2022 May 16, 2022	SELL	$30.27 - $49.22 $115,177 - $187,282	-3,805 Reduced 0.23%	1,681,477 $61.5 Million
Q3 2021 Nov 15, 2021	SELL	$48.2 - $78.89 $2.23 Million - $3.64 Million	-46,200 Reduced 2.67%	1,685,282 $120 Million
Q2 2021 Aug 16, 2021	SELL	$21.63 - $57.65 $238,427 - $635,475	-11,023 Reduced 0.63%	1,731,482 $89 Million
Q1 2021 May 17, 2021	BUY	$11.0 - $28.24 $557,700 - $1.43 Million	50,700 Added 3.0%	1,742,505 $43.8 Million
Q4 2020 Feb 16, 2021	BUY	$10.12 - $13.94 $3.67 Million - $5.06 Million	363,071 Added 27.32%	1,691,805 $20.3 Million
Q3 2020 Nov 16, 2020	BUY	$9.93 - $13.47 $5.54 Million - $7.51 Million	557,669 Added 72.32%	1,328,734 $13.3 Million
Q2 2020 Aug 14, 2020	SELL	$9.56 - $12.51 $40,448 - $52,929	-4,231 Reduced 0.55%	771,065 $8.07 Million
Q1 2020 May 15, 2020	SELL	$7.54 - $15.77 $1.64 Million - $3.43 Million	-217,453 Reduced 21.9%	775,296 $8.3 Million
Q4 2019 Feb 14, 2020	SELL	$7.48 - $17.01 $87,516 - $199,017	-11,700 Reduced 1.16%	992,749 $15.7 Million
Q3 2019 Nov 14, 2019	SELL	$6.89 - $10.45 $716,980 - $1.09 Million	-104,061 Reduced 9.39%	1,004,449 $7.88 Million
Q4 2018 Feb 14, 2019	BUY	$8.73 - $13.74 $45,265 - $71,241	5,185 Added 0.47%	1,108,510 $11.4 Million
Q2 2018 Aug 14, 2018	BUY	$10.99 - $44.21 $21,837 - $87,845	1,987 Added 0.18%	1,103,325 $16.1 Million
Q1 2018 May 15, 2018	BUY	$27.95 - $45.04 $158,839 - $255,962	5,683 Added 0.52%	1,101,338 $40.4 Million
Q3 2017 Nov 14, 2017	BUY	$53.83 - $67.75 $59 Million - $74.2 Million	1,095,655	1,095,655 $71 Million

Others Institutions Holding PRTA

# of Institutions

184

Shares Held

42.7M

Call Options Held

162K

Put Options Held

102K

View Full List

About PROTHENA CORP PUBLIC LTD CO

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $698M
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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Palo Alto Investors LP Prothena Corp Public LTD CO Transaction History