Merck & Co., Inc.

UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC MRK

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

19,433,403

Value ($000)

2,045,560

Weight

0.4%

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	2,045,560	0.4%	19,433,403	12/31/2025
2025 Q3	11/14/2025	1,657,606	0.4%	19,749,865	9/30/2025
2025 Q2	8/14/2025	1,989,554	0.4%	25,133,329	6/30/2025
2025 Q1	5/19/2025	1,861,396	0.5%	20,737,477	3/31/2025
2024 Q4	2/14/2025	2,143,571	0.5%	21,547,758	12/31/2024
2024 Q3	11/14/2024	2,016,374	0.5%	17,756,021	9/30/2024
2024 Q2	8/14/2024	2,159,860	0.6%	17,446,365	6/30/2024
2024 Q1	5/15/2024	1,655,625	0.6%	12,547,370	3/31/2024
2023 Q4	2/14/2024	1,381,280	0.5%	12,669,967	12/31/2023
2023 Q3	11/13/2023	1,302,530	0.6%	12,652,064	9/30/2023
2023 Q2	8/11/2023	1,266,648	0.6%	11,905,707	6/30/2023
2023 Q1	5/15/2023	1,266,648	0.6%	11,905,707	3/31/2023
2022 Q4	2/14/2023	1,356,665	0.7%	12,227,711	12/31/2022
2022 Q3	11/14/2022	1,047,461	0.6%	12,162,809	9/30/2022
2022 Q2	8/12/2022	1,084,684	0.6%	11,897,377	6/30/2022
2022 Q1	5/16/2022	974,852	0.4%	11,881,193	3/31/2022
2021 Q4	2/14/2022	930,359	0.4%	12,139,340	12/31/2021
2021 Q3	11/15/2021	953,796	0.4%	12,698,656	9/30/2021
2021 Q2	8/16/2021	904,376	0.4%	11,628,859	6/30/2021
2021 Q1	5/14/2021	945,251	0.4%	12,261,660	3/31/2021
2020 Q4	3/1/2021	993,535	0.5%	12,145,903	12/31/2020
2020 Q3	11/13/2020	1,036,182	0.6%	12,491,648	9/30/2020
2020 Q2	8/14/2020	942,161	0.6%	12,183,645	6/30/2020
2020 Q1	5/15/2020	1,082,403	0.8%	14,068,149	3/31/2020
2019 Q4	2/14/2020	1,236,943	0.8%	13,600,258	12/31/2019
2014 Q1	5/23/2014	685,811	0.7%	12,080,536	3/31/2014
2013 Q4	1/31/2014	551,853	0.6%	11,026,023	12/31/2013