Prosight Management, LP Prothena Corp Public LTD CO Transaction History

Prosight Management, LP

$281 Million
Q1 2025

A detailed history of Prosight Management, LP transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, Prosight Management, LP holds 408,122 shares of PRTA stock, worth $2.15 Million. This represents 1.8% of its overall portfolio holdings.

Number of Shares

408,122

Previous 418,122 2.39%

Holding current value

$2.15 Million

Previous $5.79 Million 12.75%

% of portfolio

1.8%

Previous 1.72%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	SELL	$12.38 - $16.04 $123,800 - $160,400	-10,000 Reduced 2.39%	408,122 $5.05 Million
Q4 2024 Feb 14, 2025	SELL	$11.95 - $18.35 $780,872 - $1.2 Million	-65,345 Reduced 13.52%	418,122 $5.79 Million
Q3 2024 Nov 14, 2024	BUY	$16.73 - $24.79 $3.29 Million - $4.87 Million	196,541 Added 68.5%	483,467 $8.09 Million
Q2 2024 Aug 14, 2024	BUY	$19.54 - $26.15 $2.28 Million - $3.05 Million	116,457 Added 68.32%	286,926 $5.92 Million
Q1 2024 May 15, 2024	SELL	$24.75 - $40.66 $1.46 Million - $2.4 Million	-59,070 Reduced 25.73%	170,469 $4.22 Million
Q4 2023 Feb 14, 2024	BUY	$32.31 - $52.32 $3.34 Million - $5.41 Million	103,337 Added 81.88%	229,539 $8.34 Million
Q3 2023 Nov 14, 2023	BUY	$47.3 - $70.6 $293,354 - $437,861	6,202 Added 5.17%	126,202 $6.09 Million
Q2 2023 Aug 14, 2023	SELL	$48.26 - $78.59 $15.8 Million - $25.7 Million	-327,092 Reduced 73.16%	120,000 $8.19 Million
Q1 2023 May 12, 2023	BUY	$46.97 - $58.27 $5.5 Million - $6.82 Million	117,092 Added 35.48%	447,092 $21.7 Million
Q4 2022 Feb 14, 2023	BUY	$52.05 - $65.0 $463,609 - $578,955	8,907 Added 2.77%	330,000 $19.9 Million
Q3 2022 Nov 14, 2022	SELL	$25.16 - $60.63 $5.76 Million - $13.9 Million	-228,907 Reduced 41.62%	321,093 $19.5 Million
Q2 2022 Aug 12, 2022	SELL	$22.73 - $39.98 $375,908 - $661,189	-16,538 Reduced 2.92%	550,000 $14.9 Million
Q1 2022 May 16, 2022	BUY	$30.27 - $49.22 $3.8 Million - $6.18 Million	125,538 Added 28.47%	566,538 $20.7 Million
Q4 2021 Feb 14, 2022	BUY	$42.11 - $73.26 $4.96 Million - $8.62 Million	117,700 Added 36.41%	441,000 $21.8 Million
Q3 2021 Nov 12, 2021	SELL	$48.2 - $78.89 $4.76 Million - $7.79 Million	-98,700 Reduced 23.39%	323,300 $23 Million
Q2 2021 Aug 13, 2021	SELL	$21.63 - $57.65 $3.85 Million - $10.3 Million	-178,000 Reduced 29.67%	422,000 $21.7 Million
Q1 2021 May 14, 2021	SELL	$11.0 - $28.24 $5.4 Million - $13.9 Million	-491,202 Reduced 45.01%	600,000 $15.1 Million
Q4 2020 Feb 12, 2021	BUY	$10.12 - $13.94 $5.53 Million - $7.61 Million	546,007 Added 100.15%	1,091,202 $13.1 Million
Q3 2020 Nov 13, 2020	BUY	$9.93 - $13.47 $5.41 Million - $7.34 Million	545,195 New	545,195 $5.45 Million

Others Institutions Holding PRTA

# of Institutions

185

Shares Held

43.7M

Call Options Held

251K

Put Options Held

79.2K

View Full List

About PROTHENA CORP PUBLIC LTD CO

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $247M
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...

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Prosight Management, LP Prothena Corp Public LTD CO Transaction History