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	3,813	$231.9B
Q4 2025	3,675	$206.6B
Q3 2025	3,320	$159.8B
Q2 2025	3,338	$155.9B
Q1 2025	3,460	$177.7B
Q4 2024	3,619	$196.9B
Q3 2024	3,502	$221.8B
Q2 2024	3,558	$242.3B
Q1 2024	3,547	$256.9B
Q4 2023	3,444	$211.6B
Q3 2023	3,222	$197.7B
Q2 2023	3,262	$222.8B
Q1 2023	3,188	$205.1B
Q4 2022	3,244	$212.2B
Q3 2022	2,997	$162.7B
Q2 2022	3,020	$171.5B
Q1 2022	2,962	$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
McKinley Capital Management LLC /Delaware	15,194	$1.17M	0.09%	–	–
Diligent Investors, LLC	15,200	$1.17M	0.43%	–	–
Main Street Financial Solutions, LLC	15,204	$1.17M	0.21%	–	–
Walleye Trading LLC	15,218	$1.17M	0.04%	–	–
Taylor Hoffman Wealth Management	15,235	$1.17M	0.54%	–	–
Pallas Capital Advisors LLC	15,050	$1.18M	0.26%	–	–
First Heartland Consultants, Inc.	15,321	$1.18M	0.19%	–	–
Crescent Grove Advisors, LLC	15,228	$1.18M	0.14%	–	–
Meridian Financial Partners LLC	15,071	$1.18M	0.89%	–	–
Keudell/Morrison Wealth Management	15,387	$1.19M	0.69%	–	–
Townsend & Associates, Inc	15,413	$1.19M	0.77%	–	–
Proficio Capital Partners LLC	15,424	$1.19M	0.15%	–	–
Marshall Financial Group LLC	15,439	$1.19M	0.71%	–	–
West Branch Capital LLC	15,636	$1.21M	0.71%	–	–
Foresight Wealth Management, LLC	15,654	$1.21M	0.60%	–	–
Ridgewood Investments LLC	15,666	$1.21M	0.74%	–	–
Connolly Sarah T.	15,685	$1.21M	1.08%	–	–
Old Point Trust & Financial Services N A	15,762	$1.22M	0.56%	–	–
HBK Investments L P	15,855	$1.22M	0.01%	–	–
Graves-Light Private Wealth Management, Inc.	15,894	$1.23M	0.21%	–	–
Total Clarity Wealth Management, Inc.	15,920	$1.23M	0.70%	–	–
Zeke Capital Advisors, LLC	15,944	$1.23M	0.09%	–	–
Rational Advisors LLC	15,950	$1.23M	0.23%	–	–
Delta Asset Management LLC	15,964	$1.23M	0.12%	–	–
First Business Financial Services, Inc.	15,964	$1.23M	0.16%	–	–
DeDora Capital, Inc.	16,007	$1.23M	0.58%	–	–
Bigelow Investment Advisors, LLC	16,014	$1.24M	0.63%	–	–
Fortem Financial Group, LLC	16,028	$1.24M	0.72%	–	–
St. Louis Trust Co	16,074	$1.24M	0.31%	–	–
Mattern Wealth Management LLC	16,107	$1.24M	0.44%	–	–
Endurance Wealth Management, Inc.	16,128	$1.24M	0.15%	–	–
Lake Street Advisors Group, LLC	16,163	$1.25M	0.10%	–	–
Inverness Counsel LLC	16,207	$1.25M	0.05%	–	–
Csenge Advisory Group	16,476	$1.26M	0.13%	–	–
E&G Advisors, LP	16,359	$1.26M	0.37%	–	–
PBMares Wealth Management LLC	16,385	$1.26M	1.03%	–	–
Great Diamond Partners, LLC	16,430	$1.27M	0.39%	–	–
HNP Capital LLC	16,442	$1.27M	0.38%	–	–
Calamos Wealth Management LLC	16,484	$1.27M	0.10%	–	–
Vectors Research Management, LLC	16,530	$1.27M	0.35%	–	–
Capital Wealth Planning, LLC	16,575	$1.28M	0.04%	–	–
GM Advisory Group, Inc.	16,731	$1.29M	0.15%	–	–
Orion Portfolio Solutions, LLC	16,820	$1.30M	0.06%	–	–
Xcel Wealth Management, LLC	16,942	$1.31M	0.47%	–	–
Founders Financial Alliance, LLC	16,744	$1.31M	0.65%	–	–
Sculati Wealth Management, LLC	17,034	$1.31M	0.76%	–	–
Blue Edge Capital, LLC	17,034	$1.31M	0.29%	–	–
Washington Trust Bank	17,050	$1.31M	0.16%	–	–
Columbia Trust Co 01012016	17,056	$1.31M	0.81%	–	–
Mitchell McLeod Pugh & Williams Inc	17,109	$1.32M	0.55%	–	–
Chase Investment Counsel Corp	17,146	$1.32M	0.60%	–	–
Mather Group, LLC.	17,191	$1.32M	0.04%	–	–
Formidable Asset Management, LLC	17,190	$1.32M	0.29%	–	–
Nwam LLC	17,222	$1.33M	0.13%	–	–
Wealthsource Partners, LLC	17,322	$1.33M	0.13%	–	–
TrinityPoint Wealth, LLC	17,324	$1.34M	0.31%	–	–
Mitchell & Pahl Private Wealth, LLC	17,335	$1.34M	1.04%	–	–
Capstone Triton Financial Group, LLC	17,340	$1.34M	0.88%	–	–
Atlas Brown,Inc.	17,352	$1.34M	0.63%	–	–
Sandhill Capital Partners LLC	17,414	$1.34M	0.11%	–	–
Integrated Investment Consultants, LLC	17,428	$1.34M	0.46%	–	–
WMS Partners, LLC	17,482	$1.35M	0.31%	–	–
Mastrapasqua Asset Management Inc	17,540	$1.35M	0.16%	–	–
Pacific Wealth Strategies Group, Inc.	17,698	$1.36M	0.57%	–	–
Insight Wealth Strategies, LLC	17,736	$1.37M	0.18%	–	–
Mason Investment Advisory Services, Inc.	17,754	$1.37M	0.14%	–	–
Martin & Co Inc	17,756	$1.37M	0.34%	–	–
Resources Management Corp	17,775	$1.37M	0.21%	–	–
BBR Partners, LLC	17,787	$1.37M	0.11%	–	–
Cavalier Investments, LLC	17,790	$1.37M	0.60%	–	–
GoalVest Advisory LLC	17,808	$1.37M	1.02%	–	–
Kavar Capital Partners Group, LLC	17,816	$1.37M	0.37%	–	–
Liberty One Investment Management, LLC	17,873	$1.38M	0.25%	–	–
Focus Financial Network, Inc.	17,736	$1.38M	0.16%	–	–
Covenant Multifamily Offices, LLC	17,934	$1.38M	0.28%	–	–
Mountain Capital Investment Advisors, Inc	18,101	$1.38M	0.69%	–	–
Barings LLC	17,981	$1.39M	0.03%	–	–
Quest Investment Management LLC	18,000	$1.39M	0.13%	–	–
Mitsubishi UFJ Asset Management (UK) Ltd.	18,000	$1.39M	0.61%	–	–
Wimmer Associates 1, LLC	18,022	$1.39M	0.76%	–	–
Triangle Securities Wealth Management	18,036	$1.39M	0.50%	–	–
Amica Retiree Medical Trust	18,101	$1.40M	0.94%	–	–
Wintrust Investments LLC	18,109	$1.40M	0.14%	–	–
Joel Isaacson & Co., LLC	18,124	$1.40M	0.12%	–	–
Cim Investment Mangement Inc	18,206	$1.40M	0.44%	–	–
Quadrant Private Wealth Management, LLC	18,344	$1.41M	0.61%	–	–
Quadrant Capital Group LLC	18,360	$1.42M	0.23%	–	–
Noesis Capital Mangement Corp	18,363	$1.42M	0.32%	–	–
Meridian Wealth Management, LLC	18,383	$1.42M	0.21%	–	–
Constitution Capital LLC	18,475	$1.42M	0.94%	–	–
Grimes & Company, Inc.	18,582	$1.43M	0.07%	–	–
Financial Advocates Investment Management	18,663	$1.44M	0.11%	–	–
Notis-McConarty Edward	18,685	$1.44M	0.56%	–	–
True North Advisors, LLC	18,687	$1.44M	0.34%	–	–
Jeppson Wealth Management, LLC	18,703	$1.44M	0.86%	–	–
Bridge Creek Capital Management LLC	18,737	$1.44M	0.56%	–	–
IFP Advisors, Inc	18,754	$1.45M	0.03%	–	–
Brandywine Oak Private Wealth LLC	18,752	$1.45M	0.21%	–	–
Renaissance Investment Group LLC	18,752	$1.45M	0.40%	–	–
Patriot Investment Management Inc.	18,798	$1.45M	0.14%	–	–