Merck & Co., Inc.

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS MRK

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/10/2026

Shares

577,332

Value ($000)

60,770

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	2/10/2026	60,770	0.3%	577,332	12/31/2025
2025 Q3	11/12/2025	50,342	0.3%	599,809	9/30/2025
2025 Q2	8/8/2025	48,750	0.3%	615,844	6/30/2025
2025 Q1	5/13/2025	51,926	0.3%	578,495	3/31/2025
2024 Q4	2/11/2025	53,508	0.3%	537,876	12/31/2024
2024 Q3	11/7/2024	62,663	0.4%	551,804	9/30/2024
2024 Q2	8/12/2024	68,874	0.5%	556,333	6/30/2024
2024 Q1	5/8/2024	73,403	0.5%	556,292	3/31/2024
2023 Q4	2/9/2024	60,497	0.4%	554,918	12/31/2023
2023 Q3	11/9/2023	52,527	0.4%	510,214	9/30/2023
2023 Q2	8/9/2023	51,064	0.4%	442,537	6/30/2023
2023 Q1	5/9/2023	45,728	0.4%	429,812	3/31/2023
2022 Q4	2/13/2023	47,550	0.4%	428,568	12/31/2022
2022 Q3	11/14/2022	31,911	0.3%	370,541	9/30/2022
2022 Q2	8/15/2022	33,568	0.4%	368,194	6/30/2022
2022 Q1	5/12/2022	27,731	0.3%	337,978	3/31/2022
2021 Q4	2/11/2022	24,299	0.3%	317,051	12/31/2021
2021 Q3	11/10/2021	23,827	0.3%	317,224	9/30/2021
2021 Q2	8/12/2021	24,672	0.3%	317,239	6/30/2021
2021 Q1	5/12/2021	24,396	0.3%	316,460	3/31/2021
2020 Q4	2/12/2021	25,860	0.4%	316,132	12/31/2020
2020 Q3	11/12/2020	19,439	0.4%	234,346	9/30/2020
2020 Q2	8/11/2020	11,161	0.2%	144,331	6/30/2020
2020 Q1	5/14/2020	12,515	0.3%	162,657	3/31/2020
2019 Q4	2/11/2020	14,912	0.3%	163,953	12/31/2019
2014 Q1	5/8/2014	31,984	0.5%	563,395	3/31/2014
2013 Q4	2/7/2014	27,913	0.4%	557,703	12/31/2013