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BERKSHIRE ASSET MANAGEMENT LLC > MRK

DateNameTickerSharesChangeValueChangePrice
06/30/2023Merck & Co., Inc.MRK334,9343,90238,648,047,0003,429,515,000$115,390.04
03/31/2023Merck & Co., Inc.MRK331,032-4,77935,218,532,000-2,039,744,000$106,390.11
12/31/2022Merck & Co., Inc.MRK335,8112,18637,258,276,00037,229,544,000$110,950.14
09/30/2022Merck & Co., Inc.MRK333,625-1,12228,732,000-1,787,000$86.12
06/30/2022Merck & Co., Inc.MRK334,74712,16230,519,0004,051,000$91.17
03/31/2022Merck & Co., Inc.MRK322,5857,97526,468,0002,356,000$82.05
12/31/2021Merck & Co., Inc.MRK314,6104,11124,112,000790,000$76.64
09/30/2021Merck & Co., Inc.MRK310,4997,63523,322,000-232,000$75.11
06/30/2021Merck & Co., Inc.MRK302,86422,85023,554,0001,968,000$77.77
03/31/2021Merck & Co., Inc.MRK280,0142,55321,586,000-1,110,000$77.09
12/31/2020Merck & Co., Inc.MRK277,46123,98522,696,0001,670,000$81.80
09/30/2020Merck & Co., Inc.MRK253,476-26,27721,026,000-607,000$82.95
06/30/2020Merck & Co., Inc.MRK279,75313,44621,633,0001,143,000$77.33
03/31/2020Merck & Co., Inc.MRK266,3075,82420,490,000-3,201,000$76.94
12/31/2019Merck & Co., Inc.MRK260,483-8,84923,691,0001,019,000$90.95
09/30/2019Merck & Co., Inc.MRK269,3327,50022,672,000717,000$84.18
06/30/2019Merck & Co., Inc.MRK261,8322,92121,955,000421,000$83.85
03/31/2019Merck & Co., Inc.MRK258,911-58521,534,0001,706,000$83.17
12/31/2018Merck & Co., Inc.MRK259,4961,95519,828,0001,558,000$76.41
09/30/2018Merck & Co., Inc.MRK257,54112,80518,270,0003,415,000$70.94
06/30/2018Merck & Co., Inc.MRK244,73610,05114,855,0002,072,000$60.70
03/31/2018Merck & Co., Inc.MRK234,68515,21112,783,000433,000$54.47
12/31/2017Merck & Co., Inc.MRK219,47431,57212,350,000319,000$56.27
09/30/2017Merck & Co., Inc.MRK187,902-25912,031,000-28,000$64.03
06/30/2017Merck & Co., Inc.MRK188,1613,91312,059,000352,000$64.09
03/31/2017Merck & Co., Inc.MRK184,2487,22211,707,0001,285,000$63.54
12/31/2016Merck & Co., Inc.MRK177,02614,39310,422,000272,000$58.87
09/30/2016Merck & Co., Inc.MRK162,6338,77210,150,0001,286,000$62.41
06/30/2016Merck & Co., Inc.MRK153,861-9,7518,864,000207,000$57.61
03/31/2016Merck & Co., Inc.MRK163,61282,8868,657,0005,557,000$52.91
12/31/2015Merck & Co., Inc.MRK148,36867,6427,837,0004,737,000$52.82
09/30/2015Merck & Co., Inc.MRK143,3217,4007,079,000-659,000$49.39
06/30/2015Merck & Co., Inc.MRK135,9213,5187,738,000127,000$56.93
03/31/2015Merck & Co., Inc.MRK132,4031,9607,611,000203,000$57.48
12/31/2014Merck & Co., Inc.MRK130,4433,2097,408,000-134,000$56.79
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