Sigma Planning Corp

SEC CIK: 0001449126
Latest filing: Aug 7, 2026

SEC filings (opens in a new tab)

ATI holding history

Ati Inc in every 13F filed by Sigma Planning Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

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

Shares (Q2 2026): 4,934
Value: $972.5K
% of portfolio: <0.1%
Quarters held: 2; Since Q1 2026

Holdings of ATI by Sigma Planning Corp, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q2 2026	4,934	$972.5K	<0.1%	−5,583−53.1%	Reduced	Holders
Q1 2026	10,517	$1.53M	<0.1%	+10,517	New	Holders