Merck & Co., Inc.

MORGAN STANLEY MRK

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

44,946,021

Value ($000)

4,731,018

Weight

0.3%

2013 Q4 - 2025 Q4 (27 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	2/13/2026	4,731,018	0.3%	44,946,021	12/31/2025
2025 Q3	11/14/2025	3,742,148	0.2%	44,586,535	9/30/2025
2025 Q2	8/14/2025	3,498,927	0.2%	44,200,694	6/30/2025
2025 Q1	5/15/2025	3,869,953	0.3%	43,114,452	3/31/2025
2024 Q4	5/15/2025	4,395,395	0.3%	44,183,699	12/31/2024
2024 Q3	5/14/2025	5,041,136	0.4%	44,391,822	9/30/2024
2024 Q2	5/14/2025	5,226,510	0.4%	42,217,361	6/30/2024
2024 Q1	5/15/2024	5,476,698	0.4%	41,505,855	3/31/2024
2023 Q4	2/13/2024	4,374,954	0.4%	40,129,825	12/31/2023
2023 Q3	11/15/2023	3,973,334	0.4%	38,594,793	9/30/2023
2023 Q2	8/14/2023	4,519,552	0.4%	39,167,617	6/30/2023
2023 Q1	5/15/2023	4,153,979	0.4%	39,044,821	3/31/2023
2022 Q4	2/14/2023	4,643,267	0.5%	41,850,081	12/31/2022
2022 Q3	11/14/2022	3,259,579	0.4%	37,849,265	9/30/2022
2022 Q2	10/27/2022	3,462,228	0.4%	37,975,483	6/30/2022
2022 Q1	10/27/2022	2,091,629	0.3%	25,492,161	3/31/2022
2021 Q4	2/14/2022	2,255,128	0.3%	29,424,943	12/31/2021
2021 Q3	11/15/2021	1,963,218	0.3%	26,137,902	9/30/2021
2021 Q2	8/23/2021	2,044,534	0.3%	26,289,496	6/30/2021
2021 Q1	5/17/2021	1,731,241	0.3%	22,457,410	3/31/2021
2020 Q4	2/16/2021	1,846,174	0.3%	22,569,366	12/31/2020
2020 Q3	11/13/2020	1,604,905	0.3%	19,347,857	9/30/2020
2020 Q2	8/14/2020	1,445,621	0.3%	18,694,182	6/30/2020
2020 Q1	5/26/2020	1,379,697	0.4%	17,932,101	3/31/2020
2019 Q4	2/14/2020	1,677,791	0.4%	18,447,404	12/31/2019
2014 Q1	5/13/2014	555,724	0.2%	9,789,045	3/31/2014
2013 Q4	2/13/2014	472,518	0.2%	9,440,933	12/31/2013