PEAK6 LLC

SEC CIK: 0001389958
Latest filing: Aug 12, 2026

SEC filings (opens in a new tab)

IONS holding history

Ionis Pharmaceuticals Inc in every 13F filed by PEAK6 LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 29,460
Value: $2.34M
% of portfolio: 0.1%
Quarters held: 4; Since Q3 2025

Holdings of IONS by PEAK6 LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	29,460	$2.34M	0.1%	−4,959−14.4%	Reduced	Holders
Q1 2026	34,419	$2.58M	0.1%	+3,777+12.3%	Added	Holders
Q4 2025	30,642	$2.42M	0.1%	+24,530+401.3%	Added	Holders
Q3 2025	6,112	$399.8K	<0.1%	+6,112	New	Holders