D. E. Shaw & Co., Inc. Prothena Corp Public LTD CO Transaction History

D. E. Shaw & Co., Inc.

$125 Billion
Q2 2025

A detailed history of D. E. Shaw & Co., Inc. transactions in Prothena Corp Public LTD CO stock. As of the latest transaction made, D. E. Shaw & Co., Inc. holds 391,495 shares of PRTA stock, worth $4 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

391,495

Previous 17,803 2099.04%

Holding current value

$4 Million

Previous $220,000 980.0%

% of portfolio

0.0%

Previous 0.0%

25 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 14, 2025	BUY	$4.58 - $12.14 $1.71 Million - $4.54 Million	373,692 Added 2099.04%	391,495 $2.38 Million
Q1 2025 May 15, 2025	BUY	$12.38 - $16.04 $220,401 - $285,560	17,803 New	17,803 $220,000
Q1 2023 May 15, 2023	SELL	$46.97 - $58.27 $993,462 - $1.23 Million	-21,151 Reduced 78.76%	5,705 $276,000
Q4 2022 Feb 14, 2023	SELL	$52.05 - $65.0 $4.08 Million - $5.09 Million	-78,374 Reduced 74.48%	26,856 $1.62 Million
Q3 2022 Nov 14, 2022	BUY	$25.16 - $60.63 $1.11 Million - $2.67 Million	44,034 Added 71.96%	105,230 $6.38 Million
Q2 2022 Aug 15, 2022	SELL	$22.73 - $39.98 $590,002 - $1.04 Million	-25,957 Reduced 29.78%	61,196 $1.66 Million
Q1 2022 May 16, 2022	SELL	$30.27 - $49.22 $754,086 - $1.23 Million	-24,912 Reduced 22.23%	87,153 $3.19 Million
Q4 2021 Feb 14, 2022	BUY	$42.11 - $73.26 $3.32 Million - $5.77 Million	78,744 Added 236.32%	112,065 $5.54 Million
Q3 2021 Nov 15, 2021	BUY	$48.2 - $78.89 $627,853 - $1.03 Million	13,026 Added 64.18%	33,321 $2.37 Million
Q2 2021 Aug 16, 2021	SELL	$21.63 - $57.65 $843,634 - $2.25 Million	-39,003 Reduced 65.77%	20,295 $1.04 Million
Q1 2021 May 17, 2021	SELL	$11.0 - $28.24 $1.7 Million - $4.36 Million	-154,311 Reduced 72.24%	59,298 $1.49 Million
Q4 2020 Feb 16, 2021	SELL	$10.12 - $13.94 $818,293 - $1.13 Million	-80,859 Reduced 27.46%	213,609 $2.57 Million
Q3 2020 Nov 16, 2020	SELL	$9.93 - $13.47 $545,246 - $739,624	-54,909 Reduced 15.72%	294,468 $2.94 Million
Q2 2020 Aug 14, 2020	BUY	$9.56 - $12.51 $104,471 - $136,709	10,928 Added 3.23%	349,377 $3.66 Million
Q1 2020 May 15, 2020	SELL	$7.54 - $15.77 $46,469 - $97,190	-6,163 Reduced 1.79%	338,449 $3.62 Million
Q4 2019 Feb 14, 2020	SELL	$7.48 - $17.01 $68,778 - $156,406	-9,195 Reduced 2.6%	344,612 $5.46 Million
Q3 2019 Nov 14, 2019	SELL	$6.89 - $10.45 $512,774 - $777,720	-74,423 Reduced 17.38%	353,807 $2.77 Million
Q2 2019 Aug 14, 2019	SELL	$8.85 - $12.49 $801,553 - $1.13 Million	-90,571 Reduced 17.46%	428,230 $4.53 Million
Q1 2019 May 15, 2019	BUY	$10.32 - $14.49 $4.75 Million - $6.67 Million	460,223 Added 785.66%	518,801 $6.29 Million
Q4 2018 Feb 14, 2019	BUY	$8.73 - $13.74 $146,480 - $230,543	16,779 Added 40.14%	58,578 $603,000
Q3 2018 Nov 14, 2018	SELL	$12.7 - $15.79 $187,794 - $233,486	-14,787 Reduced 26.13%	41,799 $547,000
Q2 2018 Aug 14, 2018	SELL	$10.99 - $44.21 $69,874 - $281,087	-6,358 Reduced 10.1%	56,586 $825,000
Q1 2018 May 15, 2018	BUY	$27.95 - $45.04 $1.59 Million - $2.57 Million	57,044 Added 966.85%	62,944 $2.31 Million
Q4 2017 Feb 14, 2018	SELL	$35.44 - $63.76 $40,472 - $72,813	-1,142 Reduced 16.22%	5,900 $221,000
Q3 2017 Nov 14, 2017	BUY	$53.83 - $67.75 $379,070 - $477,095	7,042	7,042 $456,000

Others Institutions Holding PRTA

# of Institutions

217

Shares Held

34.4M

Call Options Held

879K

Put Options Held

791K

View Full List

About PROTHENA CORP PUBLIC LTD CO

Ticker PRTA
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,922,800
Market Cap $480M
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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