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
Bank Hapoalim BM	18,843	$1.45M	0.18%	–	–
Chicago Capital, LLC	18,856	$1.45M	0.06%	–	–
Independent Financial Group, LLC	18,888	$1.46M	0.19%	–	–
Gillespie Robinson & Grimm Inc	18,905	$1.46M	0.13%	–	–
Private Management Group Inc	18,915	$1.46M	0.07%	–	–
Peak Asset Management, LLC	18,963	$1.46M	0.35%	–	–
MUFG Securities EMEA plc	19,000	$1.47M	0.01%	–	–
Montecito Bank & Trust	19,019	$1.47M	0.30%	–	–
Windsor Capital Management, LLC	19,030	$1.47M	0.51%	–	–
Ellsworth Advisors, LLC	19,075	$1.47M	0.88%	–	–
Diamant Asset Management, Inc.	19,081	$1.47M	1.29%	–	–
Kovack Advisors, Inc.	19,101	$1.47M	0.19%	–	–
Ridgecrest Wealth Partners, LLC	19,138	$1.48M	1.41%	–	–
Parcion Private Wealth LLC	19,153	$1.48M	0.17%	–	–
Marcum Wealth, LLC	19,183	$1.48M	0.24%	–	–
Investors Asset Management of Georgia Inc	19,236	$1.48M	0.86%	–	–
Fort, L.P.	19,231	$1.48M	0.42%	–	–
Asset Dedication, LLC	19,164	$1.49M	0.34%	–	–
West Paces Advisors Inc.	19,389	$1.49M	0.60%	–	–
Washington Capital Management Inc	19,393	$1.50M	1.39%	–	–
Apollon Wealth Management, LLC	19,391	$1.50M	0.29%	–	–
Mirabella Financial Services LLP	19,461	$1.50M	0.47%	–	–
Perpetual Investment Management Ltd	19,523	$1.50M	0.25%	–	–
Insight Advisors, LLC	20,162	$1.50M	0.48%	–	–
Claybrook Capital, LLC	19,500	$1.50M	0.87%	–	–
Ashton Thomas Private Wealth, LLC	19,501	$1.50M	0.25%	–	–
Krilogy Financial LLC	19,514	$1.50M	0.16%	–	–
Maple Capital Management, Inc.	19,531	$1.51M	0.22%	–	–
SRN Advisors, LLC	19,549	$1.51M	0.54%	–	–
Assenagon Asset Management S.A.	19,578	$1.51M	0.01%	–	–
Winton Group Ltd	19,583	$1.51M	0.09%	–	–
Veriti Management LLC	19,666	$1.52M	0.40%	–	–
Valmark Advisers, Inc.	19,672	$1.52M	0.03%	–	–
Robertson Stephens Wealth Management, LLC	19,517	$1.52M	0.24%	–	–
Trust Co	19,759	$1.52M	1.10%	–	–
Hudson Canyon Capital Management	19,780	$1.52M	1.20%	–	–
Pure Financial Advisors, Inc.	19,791	$1.53M	0.15%	–	–
Beaton Management Co. Inc.	19,810	$1.53M	1.05%	–	–
Wealthcare Advisory Partners LLC	19,873	$1.53M	0.11%	–	–
Pantheon Investment Group, LLC	19,892	$1.53M	1.47%	–	–
Healthcare Value Capital, LLC	20,000	$1.54M	3.94%	–	–
Financial Architects, Inc	20,092	$1.55M	0.24%	–	–
Oakworth Capital, Inc.	20,101	$1.55M	0.18%	–	–
Continental Advisors LLC	20,131	$1.55M	1.16%	–	–
Meristem Family Wealth, LLC	20,131	$1.55M	0.31%	–	–
Columbus Macro, LLC	20,105	$1.55M	0.48%	–	–
Enterprise Financial Services Corp	20,162	$1.55M	0.28%	–	–
Frontier Wealth Management LLC	20,183	$1.56M	0.12%	–	–
Family Capital Trust Co	20,232	$1.56M	0.49%	–	–
IVC Wealth Advisors LLC	20,272	$1.56M	1.23%	–	–
Archer Investment Corp	20,288	$1.56M	0.65%	–	–
Convergence Investment Partners, LLC	20,298	$1.56M	0.72%	–	–
Moloney Securities Asset Management, LLC	20,297	$1.56M	0.31%	–	–
Probity Advisors, Inc.	20,333	$1.57M	0.35%	–	–
Palisade Asset Management, LLC	20,397	$1.57M	0.20%	–	–
Jaffetilchin Investment Partners, LLC	20,398	$1.57M	0.19%	–	–
Trust Asset Management LLC	20,401	$1.57M	0.21%	–	–
First Hawaiian Bank	20,415	$1.57M	0.07%	–	–
Sippican Capital Advisors	20,442	$1.58M	1.46%	–	–
Sutton Wealth Advisors Inc.	20,444	$1.58M	0.62%	–	–
First Dallas Securities Inc.	20,493	$1.58M	1.34%	–	–
Clarius Group, LLC	20,504	$1.58M	0.16%	–	–
BDO Wealth Advisors, LLC	20,510	$1.58M	0.19%	–	–
Gyon Technologies Capital Management, LP	20,506	$1.58M	0.69%	–	–
WBH Advisory Inc	20,527	$1.58M	0.26%	–	–
Leisure Capital Management	20,532	$1.58M	0.96%	–	–
Farmers National Bank	20,615	$1.59M	0.60%	–	–
Hemenway Trust Co LLC	20,625	$1.59M	0.17%	–	–
Mount Yale Investment Advisors, LLC	20,636	$1.59M	0.21%	–	–
WSFS Capital Management, LLC	20,700	$1.60M	0.78%	–	–
Employers Holdings, Inc.	20,758	$1.60M	0.94%	–	–
Northern Oak Wealth Management Inc	20,765	$1.60M	0.21%	–	–
Western Wealth Management, LLC	20,906	$1.61M	0.22%	–	–
Nomura Holdings Inc	21,068	$1.61M	0.01%	–	–
Buckhead Capital Management LLC	20,953	$1.61M	0.38%	–	–
Quest Capital Management Inc	20,977	$1.62M	0.35%	–	–
LeJeune Puetz Investment Counsel LLC	21,000	$1.62M	0.64%	–	–
Burke & Herbert Bank & Trust Co	21,085	$1.63M	1.11%	–	–
PFG Advisors	21,115	$1.63M	0.21%	–	–
Eudaimonia Partners, LLC	21,146	$1.63M	0.34%	–	–
Evermay Wealth Management LLC	21,205	$1.64M	0.33%	–	–
Sanders Morris Harris LLC	21,544	$1.64M	0.35%	–	–
Baker Tilly Wealth Management, LLC	21,310	$1.64M	0.34%	–	–
Brave Asset Management Inc	21,494	$1.66M	0.56%	–	–
CNB Bank	21,558	$1.66M	1.15%	–	–
ARGI Investment Services, LLC	21,574	$1.66M	0.06%	–	–
Regents of the University of California	21,600	$1.67M	0.22%	–	–
Chiron Capital Management, LLC	21,600	$1.67M	1.41%	–	–
Strategic Capital Advisers, Inc.	21,613	$1.67M	1.45%	–	–
Dixon Hubard Feinour & Brown Inc	21,639	$1.67M	0.40%	–	–
Coe Capital Management, LLC	21,675	$1.67M	1.68%	–	–
SWS Partners	21,697	$1.67M	1.15%	–	–
O'Shaughnessy Asset Management, LLC	21,741	$1.68M	0.04%	–	–
Fiduciary Group LLC	22,516	$1.68M	0.20%	–	–
Parkside Financial Bank & Trust	21,782	$1.68M	0.51%	–	–
Baxter Bros Inc	21,852	$1.69M	0.29%	–	–
Strategic Advisors LLC	21,902	$1.69M	0.49%	–	–
Golden State Equity Partners	21,910	$1.69M	0.96%	–	–
American National Registered Investment Advisor, Inc.	21,989	$1.70M	0.66%	–	–
United Capital Management of KS, Inc.	21,993	$1.70M	0.78%	–	–