Winton Group Ltd

SEC CIK: 0001612063
Latest filing: Aug 7, 2026

SEC filings (opens in a new tab)

PRTA holding history

Prothena Corp Public Ltd Co in every 13F filed by Winton Group Ltd, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PRTA overview All 13F holders of PRTA Full Q2 2026 holdings

Shares (Q2 2026): 30,500
Value: $298.6K
% of portfolio: <0.1%
Quarters held: 3; Since Q3 2022

Holdings of PRTA by Winton Group Ltd, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	30,500	$298.6K	<0.1%	−4,200−12.1%	Reduced	Holders
Q1 2026	34,700	$337.3K	<0.1%	+34,700	New	Holders
Q4 2022	0	$0	0.0%	−4,039−100.0%	Sold out	Holders
Q3 2022	4,039	$245.0K	<0.1%	+4,039	New	Holders