Prothena (Prothena) Buyback Yield % : -2.07 (As of Apr. 30, 2024)

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What is Prothena Buyback Yield %?

Buyback yield is the net repurchase of shares outstanding over the market capital of the company. It is a measure of shareholder return.

Prothena's current buyback yield was -2.07%.

Prothena Buyback Yield % Historical Data

The historical data trend for Prothena's Buyback Yield % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

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Prothena Buyback Yield % Chart

Prothena Annual Data

Trend

Dec14

Dec15

Dec16

Dec17

Dec18

Dec19

Dec20

Dec21

Dec22

Dec23

Buyback Yield %

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-7.58

-7.12

-1.21

Prothena Quarterly Data
	Mar19	Jun19	Sep19	Dec19	Mar20	Jun20	Sep20	Dec20	Mar21	Jun21	Sep21	Dec21	Mar22	Jun22	Sep22	Dec22	Mar23	Jun23	Sep23	Dec23
Buyback Yield %	Get a 7-Day Free Trial															-26.65	-3.25	-0.33	0.01	0.01

Competitive Comparison of Prothena's Buyback Yield %

For the Biotechnology subindustry, Prothena's Buyback Yield %, along with its competitors' market caps and Buyback Yield % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.

Prothena's Buyback Yield % Distribution in the Biotechnology Industry

For the Biotechnology industry and Healthcare sector, Prothena's Buyback Yield % distribution charts can be found below:

* The bar in red indicates where Prothena's Buyback Yield % falls into.

Prothena Buyback Yield % Calculation

Buyback yield is a measure of shareholder return.

Prothena's Buyback Yield for the fiscal year that ended in Dec. 2023 is calculated as

Buyback Yield	=	Net Issuance of Stock			/	Market Cap
	=	- (Repurchase of Stock	+	Issuance of Stock)	/	Market Cap
	=	- (0	+	23.583)	/	1950.807514
	=	-1.21%

Prothena's annualized Buyback Yield for the quarter that ended in Dec. 2023 is calculated as

Buyback Yield	=	Net Issuance of Stock		(Annualized)			/	Market Cap
	=	- (Repurchase of Stock	+	Issuance of Stock)	*	Annualized Factor	/	Market Cap
	=	- (0	+	-0.065)	*	4	/	1950.807514
	=	0.01%

In calculating the annualized quarterly data, the Repurchase of Stock and Issuance of Stock data used here is four times the quarterly (Dec. 2023) data.

Prothena Buyback Yield % Related Terms

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Prothena (Prothena) Business Description

Industry

GURUFOCUS.COM » STOCK LIST » Healthcare » Biotechnology » Prothena Corp PLC (NAS:PRTA) » Definitions » Buyback Yield %

Comparable Companies

Traded in Other Exchanges

0PT:Germany

Address

77 Sir John Rogerson’s Quay, Block C, Grand Canal Docklands, Dublin 2, IRL, D02 VK60

Website

https://www.prothena.com

Prothena Corp PLC is a biotechnology company that focuses on protein dysregulation and a pipeline of investigational therapeutics with the potential to change the course of devastating rare neurodegenerative and peripheral amyloid diseases. The company's clinical pipeline of antibody-based product candidates targets a range of indications, including Amyloid Light-chain (AL) amyloidosis (NEOD001), Parkinson's disease and other related synucleinopathies (PRX002), and inflammatory diseases, including psoriasis and psoriatic arthritis (PRX003) and ATTR amyloidosis (PRX004).

Executives

Karin L Walker	officer: See Remarks	C/O PROTHENA CORPORATION PLC, 650 GATEWAY BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Brandon S. Smith	officer: Chief Operating Officer	C/O PROTHENA BIOSCIENCES INC., 331 OYSTER POINT BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Carol D. Karp	officer: Chief Regulatory Officer	C/O PROTHENA BIOSCIENCES INC, 331 OYSTER POINT BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Michael J Malecek	officer: Chief Legal Officer	C/O PROTHENA BIOSCIENCES, INC., 331 OYSTER POINT BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Hideki Garren	officer: Chief Medical Officer	C/O PROTHENA BIOSCIENCES INC, 331 OYSTER POINT BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Wagner M. Zago	officer: Chief Scientific Officer	C/O PROTHENA BIOSCIENCES INC, 331 OYSTER POINT BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Dennis J. Selkoe	director	650 GATEWAY BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Helen Susan Kim	director	3832 BAY CENTER PLACE, HAYWARD CA 94545
Tran Nguyen	officer: Chief Financial Officer	C/O PROTHENA CORPORATION PLC, 650 GATEWAY BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Gene G. Kinney	officer: CSO & Head of R&D	C/O PROTHENA CORPORATION PLC, 650 GATEWAY BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Dunn William H. Jr.	director	C/O PROTHENA BIOSCIENCES INC, 331 OYSTER POINT BOULEVARD, SOUTH SAN FRANCISCO CA 94080
Shane Cooke	director	TREASURY BUILDING LOWER GRAND CANAL ST., DUBLIN 2 L2 00000
Richard T Collier	director
Lars Ekman	director	C/O ULTRAGENYX PHARMACEUTICAL INC., 60 LEVERONI COURT, NOVATO CA 94949
Paula K Cobb	director	NIGHTSTAR THERAPEUTICS PLC, 203 CRESCENT STREET, SUITE 303, WALTHAM MA 02453