Marsh & Mclennan Companies, Inc.

Calamos Advisors LLC MRSH

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/29/2026

Shares

131,672

Value ($000)

24,428

Weight

0.1%

2019 Q4 - 2025 Q4 (25 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	1/29/2026	24,428	0.1%	131,672	12/31/2025
2025 Q3	10/20/2025	53,961	0.2%	267,756	9/30/2025
2025 Q2	8/8/2025	60,437	0.3%	276,422	6/30/2025
2025 Q1	4/29/2025	67,397	0.3%	276,184	3/31/2025
2024 Q4	1/24/2025	56,117	0.3%	264,192	12/31/2024
2024 Q3	11/7/2024	58,708	0.3%	263,158	9/30/2024
2024 Q2	7/25/2024	55,837	0.3%	264,984	6/30/2024
2024 Q1	5/8/2024	58,343	0.3%	283,245	3/31/2024
2023 Q4	1/31/2024	54,281	0.3%	286,490	12/31/2023
2023 Q3	10/26/2023	54,661	0.3%	287,235	9/30/2023
2023 Q2	7/28/2023	58,416	0.3%	310,589	6/30/2023
2023 Q1	5/4/2023	51,709	0.3%	310,473	3/31/2023
2022 Q4	1/26/2023	56,519	0.3%	341,547	12/31/2022
2022 Q3	10/24/2022	58,089	0.3%	389,105	9/30/2022
2022 Q2	8/1/2022	58,728	0.3%	378,282	6/30/2022
2022 Q1	5/3/2022	63,553	0.2%	372,922	3/31/2022
2021 Q4	2/1/2022	60,512	0.2%	348,131	12/31/2021
2021 Q3	10/26/2021	53,578	0.3%	353,816	9/30/2021
2021 Q2	7/22/2021	47,845	0.2%	340,101	6/30/2021
2021 Q1	4/12/2021	40,412	0.2%	331,787	3/31/2021
2020 Q4	1/27/2021	41,247	0.3%	352,539	12/31/2020
2020 Q3	10/26/2020	41,152	0.3%	358,779	9/30/2020
2020 Q2	7/27/2020	40,434	0.3%	376,585	6/30/2020
2020 Q1	4/28/2020	22,951	0.2%	265,454	3/31/2020
2019 Q4	1/15/2020	44,928	0.2%	403,269	12/31/2019