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
Shepherd Financial Partners LLC	25,627	$1.98M	0.44%	–	–
Azzad Asset Management Inc	25,653	$1.98M	0.33%	–	–
Werlinich Asset Management, LLC	25,695	$1.98M	1.74%	–	–
Dynamic Advisor Solutions LLC	25,746	$1.99M	0.18%	–	–
Tiedemann Advisors, LLC	25,560	$1.99M	0.09%	–	–
Wescott Financial Advisory Group, LLC	25,840	$1.99M	1.29%	–	–
Cubic Asset Management, LLC	25,929	$2.00M	0.53%	–	–
Sentry Investment Management LLC	25,972	$2.00M	0.55%	–	–
Game Creek Capital, LP	26,000	$2.00M	1.19%	–	–
Schnieders Capital Management LLC	26,047	$2.01M	0.60%	–	–
We Are One Seven, LLC	26,050	$2.01M	0.34%	–	–
Riverview Trust Co	26,091	$2.01M	2.24%	–	–
Pettyjohn, Wood & White, Inc	26,135	$2.02M	0.48%	–	–
HCR Wealth Advisors	26,152	$2.02M	0.40%	–	–
BerganKDV Wealth Management, LLC	26,162	$2.02M	0.26%	–	–
Westover Capital Advisors, LLC	26,324	$2.03M	0.70%	–	–
WC Walker & Associates, Inc.	26,851	$2.04M	1.15%	–	–
Wright Investors Service Inc	26,412	$2.04M	0.62%	–	–
CPWM, LLC	26,489	$2.04M	0.18%	–	–
Morse Asset Management, Inc	26,500	$2.04M	0.52%	–	–
Waldron Private Wealth LLC	26,328	$2.05M	0.14%	–	–
V Wealth Advisors LLC	26,551	$2.05M	0.38%	–	–
Curbstone Financial Management Corp	26,592	$2.05M	0.41%	–	–
Pictet Bank & Trust Ltd	26,605	$2.05M	1.21%	–	–
Peoples Financial Services Corp.	26,640	$2.05M	0.89%	–	–
Gables Capital Management Inc.	26,841	$2.07M	1.15%	–	–
Founders Capital Management	26,955	$2.08M	1.48%	–	–
Longfellow Investment Management Co LLC	27,048	$2.09M	0.25%	–	–
Somerville Kurt F	27,139	$2.09M	0.33%	–	–
Fred Alger Management, LLC	27,241	$2.10M	0.01%	–	–
Cliftonlarsonallen Wealth Advisors, LLC	27,252	$2.10M	0.10%	–	–
Rehmann Capital Advisory Group	27,250	$2.10M	0.21%	–	–
Harbour Investments, Inc.	27,283	$2.10M	0.08%	–	–
Headinvest, LLC	27,338	$2.11M	0.43%	–	–
Money Concepts Capital Corp	27,345	$2.11M	0.17%	–	–
Ninety One SA (PTY) Ltd	27,486	$2.12M	0.81%	–	–
Empirical Finance, LLC	25,947	$2.12M	0.37%	–	–
McDonald Partners LLC	27,620	$2.13M	0.55%	–	–
Cordasco Financial Network	27,627	$2.13M	1.55%	–	–
Webster Bank, N. A.	27,652	$2.13M	0.24%	–	–
Hilltop Holdings Inc.	27,684	$2.13M	0.28%	–	–
Resource Management, LLC	27,789	$2.14M	0.26%	–	–
Signet Investment Advisory Group, Inc.	27,798	$2.14M	1.66%	–	–
First City Capital Management, Inc.	27,536	$2.15M	1.24%	–	–
Nixon Peabody Trust Co	27,909	$2.15M	0.87%	–	–
Leelyn Smith, LLC	27,919	$2.15M	0.64%	–	–
Carnegie Capital Asset Management, LLC	27,942	$2.15M	0.09%	–	–
Welch Group, LLC	27,968	$2.16M	0.16%	–	–
YorkBridge Wealth Partners, LLC	28,026	$2.16M	0.64%	–	–
Centric Wealth Management	28,145	$2.17M	0.62%	–	–
American Portfolios Advisors	28,166	$2.17M	0.09%	–	–
Mayflower Financial Advisors, LLC	28,203	$2.17M	0.33%	–	–
Graypoint LLC	28,229	$2.18M	0.33%	–	–
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors	28,235	$2.18M	0.83%	–	–
First PREMIER Bank	28,299	$2.18M	0.77%	–	–
Grove Bank & Trust	28,330	$2.18M	0.51%	–	–
Janney Capital Management LLC	28,387	$2.19M	0.14%	–	–
Claraphi Advisory Network, LLC	28,396	$2.19M	0.60%	–	–
Security National Trust Co	28,507	$2.20M	0.52%	–	–
Modera Wealth Management, LLC	28,545	$2.20M	0.14%	–	–
Blue Chip Partners, Inc.	28,665	$2.21M	0.34%	–	–
Bontempo Ohly Capital Mgmt LLC	28,744	$2.22M	1.24%	–	–
Prestige Wealth Management Group LLC	28,776	$2.22M	0.61%	–	–
Inscription Capital, LLC	28,684	$2.23M	0.76%	–	–
Checchi Capital Advisers, LLC	28,947	$2.23M	0.30%	–	–
Boyd Watterson Asset Management LLC	28,961	$2.23M	0.98%	–	–
Balasa Dinverno & Foltz LLC	28,976	$2.23M	0.18%	–	–
Citizens Financial Group Inc	28,919	$2.23M	0.12%	–	–
Heritage Way Advisors, LLC	29,125	$2.25M	0.98%	–	–
Essex Savings Bank	30,965	$2.25M	0.99%	–	–
Hall Laurie J Trustee	29,200	$2.25M	0.86%	–	–
Harvey Investment Co LLC	29,254	$2.25M	0.32%	–	–
Alliance Wealth Advisors, LLC	29,304	$2.26M	2.23%	–	–
Regis Management CO LLC	29,439	$2.27M	0.40%	–	–
Essex Financial Services, Inc.	29,484	$2.27M	0.41%	–	–
Belpointe Asset Management LLC	29,579	$2.28M	0.20%	–	–
Aries Wealth Management	29,875	$2.28M	1.03%	–	–
Duff & Phelps Investment Management Co	29,663	$2.29M	0.03%	–	–
Credit Agricole S A	29,686	$2.29M	0.09%	–	–
Wafra Inc.	29,752	$2.29M	0.10%	–	–
Gladstone Institutional Advisory LLC	29,789	$2.30M	0.36%	–	–
Signaturefd, LLC	29,795	$2.30M	0.10%	–	–
Secure Asset Management, LLC	29,808	$2.30M	1.28%	–	–
Regent Peak Wealth Advisors LLC	29,996	$2.31M	0.76%	–	–
Hunter Associates Investment Management LLC	30,047	$2.32M	0.54%	–	–
Soleus Capital Management, L.P.	30,106	$2.32M	0.42%	–	–
Altfest L J & Co Inc	30,208	$2.33M	0.55%	–	–
Blue Fin Capital, Inc.	30,300	$2.33M	0.80%	–	–
Smithfield Trust Co	30,329	$2.34M	0.16%	–	–
Meridian Wealth Advisors, LLC	30,402	$2.34M	0.78%	–	–
Parallel Advisors, LLC	30,429	$2.35M	0.11%	–	–
Moreno Evelyn V	30,451	$2.35M	0.56%	–	–
CAPROCK Group, Inc.	30,291	$2.35M	0.26%	–	–
Baker Chad R	30,577	$2.36M	0.56%	–	–
Trustcore Financial Services, LLC	30,607	$2.36M	0.27%	–	–
Ogorek Anthony Joseph	30,632	$2.36M	1.16%	–	–
South State Corp.	30,664	$2.36M	0.22%	–	–
First Foundation Advisors	30,769	$2.37M	0.10%	–	–
Uncommon Cents Investing LLC	30,840	$2.38M	1.02%	–	–
AIMZ Investment Advisors, LLC	30,857	$2.38M	1.16%	–	–