Janus Henderson Group PLC

SEC CIK: 0001274173
Latest filing: May 18, 2026

SEC filings (opens in a new tab)

ALPN holding history

Alpine Immune Sciences, 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.

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

Shares (Q2 2024): 0; Sold out in Q2 2024
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q4 2023

Holdings of ALPN by Janus Henderson Group PLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2024	0	$0	0.0%	−450,827−100.0%	Sold out	Holders
Q1 2024	450,827	$17.8M	<0.1%	−132,412−22.7%	Reduced	Holders
Q4 2023	583,239	$11.1M	<0.1%	+583,239	New	Holders