Calamos Advisors LLC

SEC CIK: 0001316507
Latest filing: Jul 31, 2026

SEC filings (opens in a new tab)

DO holding history

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

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

Shares (Q3 2024): 0; Sold out in Q3 2024
Value: $0
% of portfolio: 0.0%
Quarters held: 2; Since Q1 2022

Holdings of DO by Calamos Advisors LLC, by quarter
Quarter	Shares	Value	% of portfolio	Share change	Action	All holders
Q3 2024	0	$0	0.0%	−788,600−100.0%	Sold out	Holders
Q2 2024	788,600	$12.2M	0.1%	+788,600	New	Holders
Q2 2022	0	$0	0.0%	−84,108−100.0%	Sold out	Holders
Q1 2022	84,108	$600.0K	<0.1%	+84,108	New	Holders