Merck & Co., Inc.

MRK

Exchange: NYSE
Industry: Pharmaceutical Preparations
SEC CIK: 0000310158

SEC filings (opens in a new tab)

In the last 90 days, Merck & Co., Inc. insiders filed 0 open-market purchases and 7 sales; 3,855 institutions reported holding it in 13F filings for Q2 2026, worth $254.3B in total; 4 superinvestors hold it, including Harris Associates (Oakmark) and Fairfax Financial.

13F holders, Q1 2021

Institutional positions in Merck & Co., Inc. as of Mar 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders: 2,693; No complete 13F data for Q4 2020
Shares held: 1.86B; No complete 13F data for Q4 2020
Total value: $143.2B; No complete 13F data for Q4 2020

Holders and value by quarter

Institutions reporting MRK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2021: 2,693 institutions

Value heldQ1 2021: $143.2B

Institutions holding MRK and their total value by quarter
Quarter	Holders	Value
Q2 2026	3,855	$254.3B
Q1 2026	3,812	$231.9B
Q4 2025	3,674	$206.6B
Q3 2025	3,319	$159.8B
Q2 2025	3,337	$155.9B
Q1 2025	3,459	$177.7B
Q4 2024	3,618	$196.9B
Q3 2024	3,501	$221.8B
Q2 2024	3,557	$242.3B
Q1 2024	3,546	$256.9B
Q4 2023	3,443	$211.6B
Q3 2023	3,221	$197.7B
Q2 2023	3,261	$222.8B
Q1 2023	3,187	$205.1B
Q4 2022	3,243	$212.2B
Q3 2022	2,996	$162.7B
Q2 2022	3,019	$171.5B
Q1 2022	2,961	$152.1B
Q4 2021	2,910	$142.2B
Q3 2021	2,658	$138.8B
Q2 2021	2,684	$144.3B
Q1 2021	2,693	$143.2B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MRK in Q1 2021
Institution	Shares	Value	% of portfolio	Change in shares	Action
Thompson Investment Management, Inc.	31,023	$2.39M	0.36%	–	–
Capital Investment Advisory Services, LLC	31,146	$2.40M	0.34%	–	–
Patten Group, Inc.	31,159	$2.40M	0.77%	–	–
EagleClaw Capital Managment, LLC	31,212	$2.40M	0.69%	–	–
McMillion Capital Management Inc	31,208	$2.41M	1.41%	–	–
Investment Counsel Inc.	31,206	$2.41M	1.69%	–	–
Plimoth Trust Co LLC	31,220	$2.41M	0.71%	–	–
Altium Wealth Management LLC	31,303	$2.41M	0.19%	–	–
JustInvest LLC	31,323	$2.42M	0.37%	–	–
Mechanics Bank Trust Department	31,346	$2.42M	0.42%	–	–
Allegheny Financial Group LTD	31,423	$2.42M	1.77%	–	–
Wade G W & Inc	31,576	$2.43M	0.13%	–	–
Family Legacy, Inc.	31,647	$2.44M	1.16%	–	–
Ballentine Partners, LLC	31,709	$2.44M	0.09%	–	–
Kentucky Farm Bureau Mutual Insurance Co	31,718	$2.45M	0.75%	–	–
Penobscot Investment Management Company, Inc.	31,754	$2.45M	0.39%	–	–
Spinnaker Trust	31,781	$2.45M	0.18%	–	–
New England Research & Management, Inc.	31,821	$2.45M	1.34%	–	–
M Holdings Securities, Inc.	31,923	$2.46M	0.22%	–	–
CCLA Investment Management Ltd	31,946	$2.46M	0.05%	–	–
Watchman Group, Inc.	31,985	$2.47M	1.52%	–	–
Beacon Pointe Advisors, LLC	32,351	$2.49M	0.15%	–	–
Maverick Capital LtdSuperinvestorMaverick Capital	32,345	$2.49M	0.02%	–	–
Fma Advisory Inc	32,383	$2.50M	0.77%	–	–
Arete Wealth Advisors, LLC	32,544	$2.51M	0.32%	–	–
Resources Investment Advisors, LLC.	32,502	$2.51M	0.12%	–	–
Plante Moran Financial Advisors, LLC	32,542	$2.51M	0.69%	–	–
Truehand, Inc	32,598	$2.51M	1.54%	–	–
Mirova	32,649	$2.52M	0.30%	–	–
Pegasus Asset Management, Inc.	32,662	$2.52M	1.28%	–	–
Harbour Capital Advisors, LLC	32,705	$2.52M	0.74%	–	–
B & T Capital Management DBA Alpha Capital Management	32,759	$2.52M	0.64%	–	–
AMG National Trust Bank	32,786	$2.53M	0.09%	–	–
BFSG, LLC	32,826	$2.53M	0.41%	–	–
Asio Capital, LLC	32,917	$2.54M	1.05%	–	–
Hudock, Inc.	32,989	$2.54M	0.80%	–	–
DAGCO, Inc.	33,133	$2.55M	1.27%	–	–
Whitener Capital Management, Inc.	33,199	$2.56M	1.11%	–	–
Dean Investment Associates, LLC	33,195	$2.56M	0.48%	–	–
Ameritas Investment Company, LLC	33,222	$2.56M	0.22%	–	–
SNS Financial Group, LLC	33,430	$2.58M	0.36%	–	–
RMB Capital Management, LLC	33,456	$2.58M	0.10%	–	–
City Holding Co	33,497	$2.58M	0.49%	–	–
International Assets Investment Management, LLC	32,600	$2.59M	0.24%	–	–
Holderness Investments Co	33,681	$2.60M	0.93%	–	–
Savant Capital, LLC	33,691	$2.60M	0.14%	–	–
Vaughan Nelson Investment Management, L.P.	33,750	$2.60M	0.03%	–	–
Pitcairn Co	33,812	$2.61M	0.19%	–	–
Supplemental Annuity Collective Trust of NJ	34,000	$2.62M	0.91%	–	–
Meiji Yasuda Life Insurance Co	34,064	$2.63M	0.05%	–	–
BigSur Wealth Management LLC	33,795	$2.63M	1.35%	–	–
Marietta Wealth Management, LLC	34,107	$2.63M	0.65%	–	–
Aptus Capital Advisors, LLC	34,087	$2.63M	0.14%	–	–
Prelude Capital Management, LLC	34,336	$2.66M	0.18%	–	–
Horan Capital Advisors, LLC.	34,536	$2.66M	1.28%	–	–
Nachman Norwood & Parrott, Inc	34,264	$2.66M	0.29%	–	–
Marino, Stram & Associates LLC	34,561	$2.66M	1.04%	–	–
Chelsea Counsel Co	34,597	$2.67M	1.32%	–	–
Proequities, Inc.	34,382	$2.67M	0.19%	–	–
First Midwest Bank Trust Division	34,677	$2.67M	0.37%	–	–
Johnson Financial Group, Inc.	34,866	$2.69M	0.18%	–	–
PointState Capital LP	35,000	$2.70M	0.07%	–	–
Ironwood Investment Counsel, LLC	35,161	$2.71M	0.78%	–	–
Moneta Group Investment Advisors LLC	35,348	$2.73M	0.14%	–	–
SFMG, LLC	35,420	$2.73M	0.32%	–	–
MD Financial Management Inc.	35,468	$2.73M	0.08%	–	–
Sompo Asset Management Co., Ltd.	35,490	$2.74M	0.62%	–	–
Pratt Collard Advisory Partners LLC	35,520	$2.74M	1.96%	–	–
6 Meridian	35,597	$2.74M	0.23%	–	–
BKD Wealth Advisors, LLC	35,605	$2.75M	0.14%	–	–
Silvant Capital Management LLC	35,328	$2.75M	0.47%	–	–
Wilkinson Global Asset Management LLC	35,725	$2.75M	0.17%	–	–
R.H. Dinel Investment Counsel, Inc.	35,765	$2.76M	2.11%	–	–
Enterprise Trust & Investment Co	35,825	$2.76M	1.24%	–	–
Princeton Global Asset Management LLC	35,852	$2.76M	0.89%	–	–
Hengehold Capital Management LLC	35,893	$2.77M	0.38%	–	–
Hussman Strategic Advisors, Inc.	36,000	$2.77M	0.57%	–	–
Sand Hill Global Advisors, LLC	36,106	$2.78M	0.18%	–	–
Bennicas & Associates, Inc.	36,100	$2.78M	1.60%	–	–
Hodges Capital Management Inc.	36,108	$2.78M	0.39%	–	–
TSP Capital Management Group, LLC	36,129	$2.79M	0.98%	–	–
Dana Investment Advisors, Inc.	36,298	$2.80M	0.13%	–	–
Abbot Financial Management, Inc.	36,469	$2.81M	1.28%	–	–
Teza Capital Management LLC	36,616	$2.82M	0.56%	–	–
Strategic Financial Services, Inc,	36,634	$2.82M	0.24%	–	–
Pettee Investors, Inc.	36,643	$2.83M	1.36%	–	–
Means Investment Co., Inc.	36,654	$2.83M	0.64%	–	–
Strategic Wealth Advisors Group, LLC	36,659	$2.83M	0.15%	–	–
Connable Office Inc	36,758	$2.83M	0.41%	–	–
Palouse Capital Management, Inc.	36,784	$2.84M	1.25%	–	–
Beddow Capital Management Inc	36,787	$2.84M	1.80%	–	–
Huber Capital Management LLC	36,793	$2.84M	0.77%	–	–
Paradigm Asset Management Co LLC	36,800	$2.84M	0.76%	–	–
White Pine Capital LLC	36,798	$2.84M	0.90%	–	–
Flagship Harbor Advisors, LLC	36,828	$2.84M	0.32%	–	–
Manchester Capital Management LLC	36,899	$2.85M	0.43%	–	–
IMA Wealth, Inc.	36,909	$2.85M	0.70%	–	–
Jefferies Group LLC	36,955	$2.85M	0.07%	–	–
Legacy Private Trust Co.	37,047	$2.86M	0.26%	–	–
SeaBridge Investment Advisors LLC	37,305	$2.88M	0.95%	–	–