Perceptive Advisors LLC

SEC CIK: 0001224962
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

SLRN holding history

ACELYRIN, Inc. in every 13F filed by Perceptive Advisors LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

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

Holdings of SLRN by Perceptive Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q4 2023	0	$0	0.0%	−200,000−100.0%	Sold out	Holders
Q3 2023	200,000	$2.03M	0.1%	00.0%	Unchanged	Holders
Q2 2023	200,000	$4.18M	0.1%	+200,000	New	Holders