MRK | MERCK & CO. INC.

CUSIP: 58933Y105

4 Funds Holding

1.7M Total Shares

$178M Total Value

$303.7B

Market Cap

16.7

P/E Ratio

12.4

Forward P/E

$7.28

EPS (TTM)

2.80%

Dividend Yield

$18.2B

Cash

$37.1B

Total Debt

2.48B

Shares Out

$73.31

$123.33

52-Week Range

Fund / Manager Click to search	Shares	Value	% of Portfolio	Cost Basis	Est. Return
Causeway Capital Management\|Sarah Ketterer	1.0M	$110M	1.51%	$95.39	+14.09%
Kahn Brothers Group\|Thomas Kahn	430.1K	$45M	8.02%	$78.89	+38.40%
Fairfax Financial Holdings\|Prem Watsa	172.9K	$18M	0.87%	$75.63	+46.74%
Semper Augustus\|Christopher Bloomstran	44.4K	$5M	0.54%	—	—

Quarter:

Fund / Manager Click to search	Action	Change	Shares After	Value	Price
2025-Q4
Causeway Capital Management	SELL	-7.9%	1.0M	$110M	$92.86
Kahn Brothers Group	SELL	-0.8%	430.1K	$45M	$92.86
Matrix Asset Advisors	SELL	-0.3%	2.9K	$301254	$92.86
2025-Q3
Causeway Capital Management	BUY	+15.4%	1.1M	$95M	$82.43
Kahn Brothers Group	SELL	-11.6%	433.8K	$36M	$82.43
Dodge & Cox	SELL	-1.9%	154.3K	$13M	$82.43
Mairs & Power	SELL	-8.2%	52.2K	$4M	$82.43
Matrix Asset Advisors	SELL	-1.5%	2.9K	$240879	$82.43
2025-Q2
Causeway Capital Management	BUY	+9.4%	982.7K	$78M	$79.04
Kahn Brothers Group	SELL	-0.4%	490.5K	$39M	$79.04
Dodge & Cox	BUY	+0.1%	157.3K	$12M	$79.04
Mairs & Power	BUY	+7.0%	56.9K	$5M	$79.04
Matrix Asset Advisors	SELL	-1.1%	2.9K	$230751	$79.04
Pzena Investment Management	BUY	NEW	3.3K	$263128	$79.04
Gardner Russo & Quinn	SELL	EXIT	—	—	$79.04
2025-Q1
Causeway Capital Management	BUY	+53.6%	897.9K	$81M	$94.02
Kahn Brothers Group	SELL	-3.3%	492.3K	$44M	$94.02
Dodge & Cox	SELL	-0.2%	157.1K	$14M	$94.02
Mairs & Power	SELL	-1.4%	53.2K	$5M	$94.02
Gardner Russo & Quinn	SELL	-5.6%	2.8K	$248013	$94.02
Pzena Investment Management	SELL	EXIT	—	—	$94.02
Matrix Asset Advisors	BUY	+2.9%	2.9K	$264433	$94.02
2024-Q4
Kahn Brothers Group	SELL	-12.3%	508.9K	$51M	$101.85
Sound Shore Management	SELL	EXIT	—	—	$101.85
Causeway Capital Management	BUY	NEW	584.5K	$58M	$101.85
Dodge & Cox	SELL	-0.6%	157.4K	$16M	$101.85
Mairs & Power	BUY	+1.0%	53.9K	$5M	$101.85
Gardner Russo & Quinn	SELL	-5.2%	2.9K	$291104	$101.85
Pzena Investment Management	BUY	NEW	2.9K	$288293	$101.85
2024-Q3
Kahn Brothers Group	SELL	-1.9%	580.5K	$66M	$116.58
Sound Shore Management	BUY	+3.1%	547.4K	$62M	$116.58
Dodge & Cox	SELL	-0.4%	158.3K	$18M	$116.58
Mairs & Power	SELL	-2.7%	53.4K	$6M	$116.58
Gardner Russo & Quinn	SELL	-10.4%	3.1K	$350548	$116.58
Torray Investment Partners	SELL	EXIT	—	—	$116.58
2024-Q2
Sound Shore Management	SELL	-23.4%	530.9K	$66M	$129.37
Kahn Brothers Group	SELL	-3.6%	591.9K	$73M	$129.37
Dodge & Cox	SELL	-1.0%	158.9K	$20M	$129.37
Mairs & Power	SELL	-3.8%	54.9K	$7M	$129.37
Gardner Russo & Quinn	SELL	-1.9%	3.4K	$426592	$129.37
2024-Q1
Sound Shore Management	SELL	-1.2%	693.3K	$91M	$123.62
Kahn Brothers Group	SELL	-1.7%	613.8K	$81M	$123.62
Dodge & Cox	SELL	-0.3%	160.5K	$21M	$123.62
Mairs & Power	SELL	-8.0%	57.0K	$8M	$123.62
Semper Augustus	SELL	-0.3%	44.4K	$6M	$123.62
Gardner Russo & Quinn	SELL	-7.7%	3.5K	$463550	$123.62
Matrix Asset Advisors	SELL	-12.9%	2.9K	$377641	$123.62
Torray Investment Partners	SELL	-16.5%	1.7K	$224975	$123.62
2023-Q4
Sound Shore Management	SELL	-0.2%	701.7K	$77M	$103.59
Kahn Brothers Group	SELL	-2.2%	624.5K	$68M	$103.59
Dodge & Cox	SELL	-1.7%	160.9K	$18M	$103.59
Mairs & Power	BUY	+4.5%	62.0K	$7M	$103.59
Semper Augustus	BUY	+0.3%	44.6K	$5M	$103.59
Gates Foundation Trust	SELL	EXIT	—	—	$103.59
Gardner Russo & Quinn	SELL	-0.9%	3.8K	$414974	$103.59
Matrix Asset Advisors	BUY	+0.9%	3.3K	$358349	$103.59
2023-Q3
Sound Shore Management	SELL	-6.3%	703.3K	$72M	$107.52
Kahn Brothers Group	SELL	-1.5%	638.8K	$66M	$107.52
Dodge & Cox	SELL	-3.9%	163.8K	$17M	$107.52
Mairs & Power	SELL	-0.7%	59.3K	$6M	$107.52
Gates Foundation Trust	BUY	NEW	17.7K	$2M	$107.52
Gardner Russo & Quinn	SELL	-3.0%	3.8K	$395547	$107.52
Matrix Asset Advisors	SELL	-15.3%	3.3K	$335205	$107.52
Torray Investment Partners	BUY	NEW	2.0K	$210121	$107.52
2023-Q2
Sound Shore Management	BUY	+12.2%	750.7K	$87M	$113.60
Kahn Brothers Group	SELL	-3.4%	648.7K	$75M	$113.60
Dodge & Cox	SELL	-1.6%	170.4K	$20M	$113.60
Mairs & Power	SELL	-11.2%	59.7K	$7M	$113.60
Semper Augustus	SELL	-0.1%	44.4K	$5M	$113.60
Gardner Russo & Quinn	BUY	+3.4%	4.0K	$456921	$113.60
Matrix Asset Advisors	SELL	-4.5%	3.8K	$443675	$113.60
2023-Q1
Kahn Brothers Group	SELL	-1.5%	671.6K	$71M	$107.63
Sound Shore Management	BUY	+1.6%	669.3K	$71M	$107.63
Dodge & Cox	SELL	-1.2%	173.2K	$18M	$107.63
Mairs & Power	SELL	-8.5%	67.2K	$7M	$107.63
Matrix Asset Advisors	SELL	-3.6%	4.0K	$428220	$107.63
Gardner Russo & Quinn	BUY	+4.3%	3.8K	$407612	$107.63
2022-Q4
Kahn Brothers Group	SELL	-0.4%	681.8K	$76M	$101.59
Sound Shore Management	SELL	-1.4%	658.7K	$73M	$101.59
Dodge & Cox	SELL	-7.5%	175.2K	$19M	$101.59
Mairs & Power	SELL	-2.2%	73.5K	$8M	$101.59
Hillman Capital Management	SELL	EXIT	—	—	$101.59
Pzena Investment Management	SELL	EXIT	—	—	$101.59
Matrix Asset Advisors	SELL	-14.2%	4.2K	$463216	$101.59
Gardner Russo & Quinn	SELL	-4.8%	3.7K	$407517	$101.59
2022-Q3
Kahn Brothers Group	SELL	-2.1%	684.3K	$59M	$89.26
Sound Shore Management	BUY	+0.8%	668.2K	$58M	$89.26
Dodge & Cox	SELL	-1.8%	189.3K	$16M	$89.26
Hillman Capital Management	SELL	-32.0%	66.7K	$6M	$89.26
Mairs & Power	BUY	+32.2%	75.1K	$6M	$89.26
Pzena Investment Management	SELL	-9.9%	6.4K	$553000	$89.26
Gardner Russo & Quinn	SELL	-1.3%	3.9K	$332000	$89.26
2022-Q2
Sound Shore Management	SELL	-49.5%	662.5K	$60M	$88.03
Kahn Brothers Group	BUY	+0.7%	699.0K	$64M	$88.03
Dodge & Cox	SELL	-3.6%	192.8K	$18M	$88.03
Matrix Asset Advisors	SELL	-97.1%	4.9K	$444000	$88.03
Hillman Capital Management	SELL	-1.4%	98.1K	$9M	$88.03
Mairs & Power	SELL	-5.5%	56.8K	$5M	$88.03
Semper Augustus	BUY	+0.9%	44.5K	$4M	$88.03
Pzena Investment Management	BUY	+40.1%	7.1K	$650000	$88.03
Gardner Russo & Quinn	BUY	+0.3%	3.9K	$356000	$88.03
2022-Q1
Sound Shore Management	SELL	-19.8%	1.3M	$108M	$78.83
Kahn Brothers Group	BUY	NEW	694.5K	$57M	$78.83
Dodge & Cox	SELL	-6.6%	200.0K	$16M	$78.83
Matrix Asset Advisors	BUY	+2.7%	169.0K	$14M	$78.83
Hillman Capital Management	BUY	+0.8%	99.5K	$8M	$78.83
Mairs & Power	SELL	-5.3%	60.1K	$5M	$78.83
Pzena Investment Management	SELL	-26.0%	5.1K	$418000	$78.83
Gardner Russo & Quinn	BUY	+0.3%	3.9K	$320000	$78.83
2021-Q4
Sound Shore Management	SELL	-2.3%	1.6M	$125M	$80.63
Dodge & Cox	SELL	-3.4%	214.2K	$16M	$80.63
Matrix Asset Advisors	SELL	-5.9%	164.6K	$13M	$80.63
Hillman Capital Management	SELL	-1.0%	98.7K	$8M	$80.63
Mairs & Power	SELL	-0.8%	63.5K	$5M	$80.63
Pzena Investment Management	SELL	-9.6%	6.9K	$528000	$80.63
Gardner Russo & Quinn	BUY	+0.3%	3.9K	$298000	$80.63
2021-Q3
Berkshire Hathaway	SELL	EXIT	—	—	$76.50
Sound Shore Management	BUY	+34.1%	1.7M	$126M	$76.50
Dodge & Cox	SELL	-3.2%	221.7K	$17M	$76.50
Matrix Asset Advisors	BUY	+1.2%	175.0K	$13M	$76.50
Hillman Capital Management	BUY	+4.4%	99.7K	$7M	$76.50
Mairs & Power	SELL	-4.4%	64.0K	$5M	$76.50
Gardner Russo & Quinn	BUY	+0.3%	3.9K	$291000	$76.50
2021-Q2
Berkshire Hathaway	SELL	-48.8%	9.2M	$712M	$74.13
Sound Shore Management	SELL	-0.9%	1.2M	$97M	$74.13
Dodge & Cox	SELL	-7.3%	229.0K	$18M	$74.13
Matrix Asset Advisors	BUY	+21.8%	172.9K	$13M	$74.13
Hillman Capital Management	BUY	+40.6%	95.6K	$7M	$74.13
Mairs & Power	SELL	-11.8%	67.0K	$5M	$74.13
Pzena Investment Management	SELL	-10.8%	7.6K	$593000	$74.13
Gardner Russo & Quinn	BUY	+0.3%	3.9K	$301000	$74.13
2021-Q1
Berkshire Hathaway	SELL	-37.7%	17.9M	$1.4B	$73.03
Sound Shore Management	SELL	-6.7%	1.3M	$97M	$73.03
Dodge & Cox	SELL	-10.2%	247.1K	$19M	$73.03
Fairfax Financial Holdings	BUY	+40.7%	172.9K	$13M	$73.03
Matrix Asset Advisors	BUY	+17.3%	141.9K	$11M	$73.03
Mairs & Power	SELL	-7.2%	75.9K	$6M	$73.03
Hillman Capital Management	BUY	+15.4%	68.0K	$5M	$73.03
Semper Augustus	BUY	+0.1%	44.1K	$3M	$73.03
Torray Investment Partners	SELL	EXIT	—	—	$73.03
Pzena Investment Management	BUY	NEW	8.5K	$659000	$73.03
Gardner Russo & Quinn	SELL	-2.2%	3.9K	$297000	$73.03
2020-Q4
Berkshire Hathaway	BUY	+28.1%	28.7M	$2.3B	$76.68
Sound Shore Management	BUY	+28.6%	1.3M	$110M	$76.68
Dodge & Cox	SELL	-10.6%	275.2K	$23M	$76.68
Fairfax Financial Holdings	BUY	NEW	122.9K	$10M	$76.68
Matrix Asset Advisors	BUY	+6.7%	120.9K	$10M	$76.68
Mairs & Power	BUY	+3.4%	81.8K	$7M	$76.68
Hillman Capital Management	BUY	+53.1%	58.9K	$5M	$76.68
Torray Investment Partners	SELL	-6.6%	14.2K	$1M	$76.68
Gardner Russo & Quinn	BUY	+0.2%	3.9K	$323000	$76.68
Tweedy Browne Co.	SELL	EXIT	—	—	$76.68
2020-Q3
Berkshire Hathaway	BUY	NEW	22.4M	$1.9B	$78.89
Sound Shore Management	SELL	-29.6%	1.0M	$87M	$78.89
Causeway Capital Management	SELL	EXIT	—	—	$78.89
Dodge & Cox	SELL	-11.1%	307.7K	$26M	$78.89
Matrix Asset Advisors	SELL	-12.9%	113.4K	$9M	$78.89
Mairs & Power	SELL	-2.1%	79.1K	$7M	$78.89
Hillman Capital Management	SELL	-0.1%	38.5K	$3M	$78.89
Torray Investment Partners	BUY	+0.3%	15.2K	$1M	$78.89
Gardner Russo & Quinn	BUY	+0.2%	3.9K	$326000	$78.89
2020-Q2
Sound Shore Management	SELL	-11.0%	1.5M	$115M	$74.70
Causeway Capital Management	SELL	-44.0%	814.1K	$63M	$74.70
Dodge & Cox	SELL	-33.1%	346.0K	$27M	$74.70
Matrix Asset Advisors	BUY	+10.3%	130.1K	$10M	$74.70
Mairs & Power	SELL	-1.0%	80.8K	$6M	$74.70
Hillman Capital Management	SELL	-0.0%	38.5K	$3M	$74.70
Pzena Investment Management	SELL	EXIT	—	—	$74.70
Torray Investment Partners	SELL	-9.4%	15.2K	$1M	$74.70
Gardner Russo & Quinn	BUY	+42.7%	3.9K	$304000	$74.70
2020-Q1
Causeway Capital Management	SELL	-17.8%	1.5M	$112M	$78.86
Sound Shore Management	BUY	+6.8%	1.7M	$129M	$78.86
Dodge & Cox	SELL	-25.0%	517.0K	$40M	$78.86
Matrix Asset Advisors	BUY	+16.5%	118.0K	$9M	$78.86
Mairs & Power	SELL	-1.1%	81.7K	$6M	$78.86
Pzena Investment Management	SELL	-56.5%	25.6K	$2M	$78.86
Semper Augustus	BUY	+3.6%	44.0K	$3M	$78.86
Hillman Capital Management	BUY	+8.6%	38.5K	$3M	$78.86
Torray Investment Partners	SELL	-21.5%	16.7K	$1M	$78.86
2019-Q4
Causeway Capital Management	SELL	-3.2%	1.8M	$161M	$81.11
Pzena Investment Management	SELL	-96.9%	58.8K	$5M	$81.11
Sound Shore Management	SELL	-6.7%	1.6M	$143M	$81.11
Pzena Investment Management	SELL	-92.4%	58.8K	$5M	$81.11
Dodge & Cox	SELL	-1.7%	689.4K	$63M	$81.11
Matrix Asset Advisors	BUY	+1.2%	101.3K	$9M	$81.11
Mairs & Power	BUY	+2.6%	82.5K	$8M	$81.11
Torray Investment Partners	SELL	-1.1%	21.3K	$2M	$81.11
Gardner Russo & Quinn	SELL	-1.1%	2.8K	$250000	$81.11
2019-Q3
Causeway Capital Management	BUY	+4.0%	1.8M	$154M	$80.12
Sound Shore Management	SELL	-1.9%	1.7M	$141M	$80.12
Pzena Investment Management	SELL	-39.1%	769.4K	$65M	$80.12
Dodge & Cox	SELL	-1.9%	701.3K	$59M	$80.12
Matrix Asset Advisors	BUY	+1.4%	100.1K	$8M	$80.12
Mairs & Power	BUY	+2.6%	80.5K	$7M	$80.12
Semper Augustus	SELL	-0.5%	42.5K	$4M	$80.12
Torray Investment Partners	BUY	+0.9%	21.6K	$2M	$80.12
2019-Q2
Sound Shore Management	SELL	-27.1%	1.7M	$144M	$76.58
Pzena Investment Management	SELL	-33.9%	1.3M	$106M	$76.58
Causeway Capital Management	BUY	+1.0%	1.8M	$148M	$76.58
Dodge & Cox	SELL	-7.0%	714.6K	$60M	$76.58
Matrix Asset Advisors	BUY	+20.2%	98.6K	$8M	$76.58
Mairs & Power	SELL	-5.5%	78.4K	$7M	$76.58
Torray Investment Partners	BUY	+3.0%	21.4K	$2M	$76.58
Gardner Russo & Quinn	SELL	-0.2%	2.8K	$233000	$76.58
2019-Q1
Pzena Investment Management	SELL	-48.1%	1.9M	$159M	$75.40
Sound Shore Management	SELL	-29.3%	2.4M	$195M	$75.40
Third Point LLC	SELL	EXIT	—	—	$75.40
Causeway Capital Management	BUY	NEW	1.7M	$145M	$75.40
Dodge & Cox	SELL	-7.4%	768.7K	$64M	$75.40
Matrix Asset Advisors	SELL	-27.2%	82.0K	$7M	$75.40
Mairs & Power	SELL	-5.9%	82.9K	$7M	$75.40
Torray Investment Partners	SELL	-8.8%	20.7K	$2M	$75.40
2018-Q4
Pzena Investment Management	SELL	-23.6%	3.7M	$281M	$70.50
Third Point LLC	SELL	-38.3%	2.8M	$212M	$70.50
Sound Shore Management	SELL	-9.5%	3.3M	$254M	$70.50
Dodge & Cox	SELL	-16.4%	830.0K	$63M	$70.50
Matrix Asset Advisors	SELL	-20.6%	112.8K	$9M	$70.50
Mairs & Power	SELL	-1.2%	88.1K	$7M	$70.50
Torray Investment Partners	SELL	-12.4%	22.8K	$2M	$70.50
Tweedy Browne Co.	BUY	NEW	3.3K	$253000	$70.50
Gardner Russo & Quinn	BUY	NEW	2.8K	$213000	$70.50
2018-Q3
Pzena Investment Management	SELL	-1.8%	4.8M	$342M	$64.28
Third Point LLC	BUY	NEW	4.5M	$319M	$64.28
Sound Shore Management	SELL	-19.2%	3.7M	$261M	$64.28
Dodge & Cox	SELL	-70.0%	992.3K	$70M	$64.28
Matrix Asset Advisors	SELL	-20.0%	141.9K	$10M	$64.28
Mairs & Power	SELL	-1.9%	89.2K	$6M	$64.28
Torray Investment Partners	BUY	+15.1%	26.0K	$2M	$64.28
Tweedy Browne Co.	SELL	EXIT	—	—	$64.28
2018-Q2
Dodge & Cox	SELL	-76.0%	3.3M	$201M	$56.52
Pzena Investment Management	BUY	+8.4%	4.9M	$298M	$56.52
Sound Shore Management	SELL	-3.3%	4.5M	$276M	$56.52
Matrix Asset Advisors	SELL	-0.6%	177.4K	$11M	$56.52
Mairs & Power	SELL	-2.5%	91.0K	$6M	$56.52
Torray Investment Partners	BUY	+2.7%	22.6K	$1M	$56.52
Markel Group	SELL	EXIT	—	—	$56.52
Tweedy Browne Co.	BUY	NEW	3.3K	$201000	$56.52
2018-Q1
Dodge & Cox	SELL	-0.0%	13.8M	$751M	$52.89
Sound Shore Management	BUY	+29.2%	4.7M	$256M	$52.89
Pzena Investment Management	BUY	+175.8%	4.5M	$246M	$52.89
Matrix Asset Advisors	BUY	+3.1%	178.4K	$10M	$52.89
Mairs & Power	BUY	+9.3%	93.3K	$5M	$52.89
Torray Investment Partners	BUY	+19.7%	22.0K	$1M	$52.89
Gardner Russo & Quinn	SELL	EXIT	—	—	$52.89

6 Months Insider Sentiment

100%

Buy $0 Sell $1.3M

0 Buys

2 Sells

-1.3M Net

0 Grants

Largest

$720K Williams

$616K Downing

Date	Insider Click to search	Role Click to search	Type	Shares	Price	Value
Nov 10, 2025	Cristal N Downing	Chief Comm. & Public Afrs Ofcr	SELL	7.1K	$87.00	$616K
Nov 03, 2025	David Michael Williams	EVP,Chief Info&Digital Officer	SELL	8.6K	$83.59	$720K

MRK | MERCK & CO. INC.

Institutional Ownership of MERCK & CO. INC.

Trading Activity for MERCK & CO. INC.

Insider Trading for MERCK & CO. INC.