Merck & Co., Inc.

LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA MRK

Report date

3/31/2026

Quarter

2026 Q1

Filed

4/13/2026

Shares

337,029

Value ($000)

40,922

Weight

0.4%

2013 Q4 - 2026 Q1 (28 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
2026 Q1	4/13/2026	40,922	0.4%	337,029	3/31/2026
2025 Q4	1/28/2026	37,233	0.3%	345,008	12/31/2025
2025 Q3	10/24/2025	31,716	0.3%	363,801	9/30/2025
2025 Q2	7/30/2025	30,006	0.3%	379,060	6/30/2025
2025 Q1	4/24/2025	30,998	0.3%	393,674	3/31/2025
2024 Q4	1/28/2025	39,817	0.3%	406,545	12/31/2024
2024 Q3	10/25/2024	44,021	0.4%	415,764	9/30/2024
2024 Q2	7/17/2024	52,556	0.5%	418,975	6/30/2024
2024 Q1	4/23/2024	53,546	0.5%	421,819	3/31/2024
2023 Q4	2/1/2024	51,584	0.5%	427,090	12/31/2023
2023 Q3	11/3/2023	44,280	0.5%	430,529	9/30/2023
2023 Q2	8/1/2023	50,043	0.5%	433,684	6/30/2023
2023 Q1	5/2/2023	46,602	0.5%	438,028	3/31/2023
2022 Q4	3/2/2023	49,056	0.6%	442,146	12/31/2022
2022 Q3	10/25/2022	38,147	0.5%	442,951	9/30/2022
2022 Q2	7/26/2022	40,472	0.5%	443,913	6/30/2022
2022 Q1	4/13/2022	36,600	0.4%	446,066	3/31/2022
2021 Q4	2/14/2022	33,381	0.3%	435,559	12/31/2021
2021 Q3	11/12/2021	32,129	0.3%	427,760	9/30/2021
2021 Q2	8/13/2021	32,377	0.3%	416,314	6/30/2021
2021 Q1	4/14/2021	28,396	0.3%	368,343	3/31/2021
2020 Q4	1/14/2021	25,096	0.3%	306,803	12/31/2020
2020 Q3	10/15/2020	24,317	0.3%	293,154	9/30/2020
2020 Q2	7/30/2020	19,908	0.3%	257,446	6/30/2020
2020 Q1	4/15/2020	7,295	0.1%	94,818	3/31/2020
2019 Q4	1/22/2020	8,621	0.1%	94,792	12/31/2019
2014 Q1	4/28/2014	4,965	0.1%	87,455	3/31/2014
2013 Q4	2/11/2014	4,371	0.1%	87,341	12/31/2013