Custom Index Systems, LLC

SEC CIK: 0002003672
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

SLN holding history

Silence Therapeutics plc in every 13F filed by Custom Index Systems, LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q1 2025): 0; Sold out in Q1 2025
Value: $0
% of portfolio: 0.0%
Quarters held: 3; Since Q2 2024

Holdings of SLN by Custom Index Systems, LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q1 2025	0	$0	0.0%	−11,861−100.0%	Sold out	Holders
Q4 2024	11,861	$81.6K	<0.1%	−2,554−17.7%	Reduced	Holders
Q3 2024	14,415	$262.1K	0.1%	−421−2.8%	Reduced	Holders
Q2 2024	14,836	$281.9K	0.2%	+14,836	New	Holders