Calamos Advisors LLC

Position in OXY — Occidental Petroleum Corp /De/

CIK 1316507 NAPERVILLE, IL

Position in OXY

as of Jun 30, 2026 · filed Jul 31, 2026 Compact

Position Value

$7,274,426

-$2,641,714 QoQ

Shares Held

149,772

-1.8% QoQ

Ownership

0.015%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#206

of 1,231 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Energy · as of Jun 30, 2026

Calamos Advisors LLC holds $56,605,659 across 4 Oil & Gas E&P names. OXY ranks #4 (12.9% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	COP	Conocophillips	232,895	$24,211,764
2	EQT	EQT Corp	302,363	$16,076,640
3	EOG	Eog Resources Inc	69,705	$9,042,829
4	OXY	Occidental Petroleum Corp /De/ This page	149,772	$7,274,426

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$7,274,426	149,772	-1.8%	Shares	Sole	2026-07-31
2026-03-31	$9,916,140	152,556	0.0%	Shares	Sole	2026-05-04
2025-12-31	$6,273,102	152,556	-3.9%	Shares	Sole	2026-01-29
2025-09-30	$7,500,937	158,750	0.0%	Shares	Sole	2025-10-20
2025-06-30	$6,669,087	158,750	0.0%	Shares	Sole	2025-08-08
2025-03-31	$7,835,900	158,750	+1.1%	Shares	Sole	2025-04-29
2024-12-31	$7,756,530	156,983	-0.0%	Shares	Sole	2025-01-24
2024-09-30	$8,093,120	157,026	-41.3%	Shares	Sole	2024-11-07
2024-06-30	$16,864,117	267,557	-2.1%	Shares	Sole	2024-07-25
2024-03-31	$17,768,655	273,406	+0.2%	Shares	Sole	2024-05-08
2023-12-31	$16,284,648	272,729	-0.4%	Shares	Sole	2024-01-31
2023-09-30	$17,757,526	273,698	+58.1%	Shares	Sole	2023-10-26
2023-06-30	$10,176,868	173,076	0.0%	Shares	Sole	2023-07-28
2023-03-31	$10,805,134	173,076	-11.1%	Shares	Sole	2023-05-04
2022-12-31	$12,264,971	194,713	-15.0%	Shares	Sole	2023-01-26
2022-09-30	$14,080,714	229,141	0.0%	Shares	Sole	2022-10-24
2022-06-30	$13,491,822	229,141	+2.8%	Shares	Sole	2022-08-01
2022-03-31	$12,651,374	222,971	+12.8%	Shares	Sole	2022-05-03
2021-12-31	$5,732,047	197,725	+3.9%	Shares	Sole	2022-02-01
2021-09-30	$5,627,417	190,244	+9.4%	Shares	Sole	2021-10-26
2021-06-30	$5,436,352	173,852	+28.5%	Shares	Sole	2021-07-22
2021-03-31	$3,602,324	135,324	+3.1%	Shares	Sole	2021-04-12
2020-12-31	$2,272,439	131,279	-4.0%	Shares	Sole	2021-01-27
2020-09-30	$1,369,067	136,770	-7.8%	Shares	Sole	2020-10-26
2020-06-30	$2,715,372	148,381	-5.8%	Shares	Sole	2020-07-27
2020-03-31	$1,824,903	157,591	—	Shares	Sole	2020-04-28
No filing history on record for this holder in this stock.