CSS LLC

SEC CIK: 0001103646
Latest filing: Aug 14, 2026

SEC filings (opens in a new tab)

CERO holding history

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

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

Shares (Q3 2022): 0; Sold out in Q3 2022
Value: $0
% of portfolio: 0.0%
Quarters held: 3; Since Q4 2021

Holdings of CERO by CSS LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2022	0	$0	0.0%	−276,745−100.0%	Sold out	Holders
Q2 2022	276,745	$2.77M	0.1%	00.0%	Unchanged	Holders
Q1 2022	276,745	$2.77M	0.1%	−41,465−13.0%	Reduced	Holders
Q4 2021	318,210	$3.15M	0.1%	+318,210	New	Holders