Janus Henderson Group PLC

SEC CIK: 0001274173
Latest filing: May 18, 2026

SEC filings (opens in a new tab)

ALXN holding history

Alexion Pharmaceuticals, Inc. in every 13F filed by Janus Henderson Group PLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ALXN overview All 13F holders of ALXN Full Q1 2026 holdings

Shares (Q3 2021): 0; Sold out in Q3 2021
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q1 2021

Holdings of ALXN by Janus Henderson Group PLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2021	0	$0	0.0%	−177,532−100.0%	Sold out	Holders
Q2 2021	177,532	$32.6M	<0.1%	−465,289−72.4%	Reduced	Holders
Q1 2021	642,821	$98.3M	<0.1%	–	–	Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.