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Merck & Co., Inc.

MRK
Exchange
NYSE
Industry
Pharmaceutical Preparations
SEC CIK
0000310158

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, Q2 2023

Institutional positions in Merck & Co., Inc. as of Jun 30, 2023. 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
3,261
+97 vs. Q1 2023
Shares held
1.94B
−53.5M (−2.7%) vs. Q1 2023
Total value
$222.8B
+$17.8B (+8.7%) vs. Q1 2023
New holders
185
1,232 more added
Sold out
88
1,462 more reduced

23 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: new holders, sold out and not filed yet

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 holdersQ2 2023: 3,261 institutions
Q1 2021: 2,693 institutionsQ2 2021: 2,684 institutionsQ3 2021: 2,658 institutionsQ4 2021: 2,910 institutionsQ1 2022: 2,961 institutionsQ2 2022: 3,019 institutionsQ3 2022: 2,996 institutionsQ4 2022: 3,243 institutionsQ1 2023: 3,187 institutionsQ2 2023: 3,261 institutionsQ3 2023: 3,221 institutionsQ4 2023: 3,443 institutionsQ1 2024: 3,546 institutionsQ2 2024: 3,557 institutionsQ3 2024: 3,501 institutionsQ4 2024: 3,618 institutionsQ1 2025: 3,459 institutionsQ2 2025: 3,337 institutionsQ3 2025: 3,319 institutionsQ4 2025: 3,674 institutionsQ1 2026: 3,812 institutionsQ2 2026: 3,855 institutions
Value heldQ2 2023: $222.8B
Q1 2021: $143.2BQ2 2021: $144.3BQ3 2021: $138.8BQ4 2021: $142.2BQ1 2022: $152.1BQ2 2022: $171.5BQ3 2022: $162.7BQ4 2022: $212.2BQ1 2023: $205.1BQ2 2023: $222.8BQ3 2023: $197.7BQ4 2023: $211.6BQ1 2024: $256.9BQ2 2024: $242.3BQ3 2024: $221.8BQ4 2024: $196.9BQ1 2025: $177.7BQ2 2025: $155.9BQ3 2025: $159.8BQ4 2025: $206.6BQ1 2026: $231.9BQ2 2026: $254.3B
Institutions holding MRK and their total value by quarter
QuarterHoldersValue
Q2 20263,855$254.3B
Q1 20263,812$231.9B
Q4 20253,674$206.6B
Q3 20253,319$159.8B
Q2 20253,337$155.9B
Q1 20253,459$177.7B
Q4 20243,618$196.9B
Q3 20243,501$221.8B
Q2 20243,557$242.3B
Q1 20243,546$256.9B
Q4 20233,443$211.6B
Q3 20233,221$197.7B
Q2 20233,261$222.8B
Q1 20233,187$205.1B
Q4 20223,243$212.2B
Q3 20222,996$162.7B
Q2 20223,019$171.5B
Q1 20222,961$152.1B
Q4 20212,910$142.2B
Q3 20212,658$138.8B
Q2 20212,684$144.3B
Q1 20212,693$143.2B

Institutions, Q2 2023

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2023.

Institutions holding MRK in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Benjamin Edwards Inc32,587$3.76M0.87%−4,148−11.3%Reduced
Iowa State Bank32,548$3.76M0.94%−397−1.2%Reduced
Robertson Stephens Wealth Management, LLC32,001$3.72M0.27%−73−0.2%Reduced
Delta Financial Group, Inc.32,207$3.72M4.36%−30.0%Reduced
Secure Asset Management, LLC32,186$3.71M1.13%+689+2.2%Added
Madison Asset Management, LLC31,988$3.69M0.05%−1,098−3.3%Reduced
Atlantic Trust, LLC32,124$3.69M1.18%+1,662+5.5%Added
Wilkinson Global Asset Management LLC31,825$3.67M0.28%−300−0.9%Reduced
Smithfield Trust Co31,815$3.67M0.22%−198−0.6%Reduced
PFG Advisors31,793$3.67M0.28%+4,401+16.1%Added
CAPROCK Group, Inc.31,581$3.67M0.27%+2,146+7.3%Added
Kentucky Farm Bureau Mutual Insurance Co31,718$3.66M1.02%00.0%Unchanged
Harbor Advisory Corp31,686$3.66M1.29%−547−1.7%Reduced
Financial Partners Group, LLC31,657$3.65M1.84%−278−0.9%Reduced
44 Wealth Management LLC31,608$3.65M1.24%+429+1.4%Added
Optimas Capital Ltd31,400$3.62M4.19%+31,400New
Owen LaRue, LLC31,675$3.62M3.81%−356−1.1%Reduced
Arden Trust Co31,335$3.62M0.59%−5,841−15.7%Reduced
Stokes Capital Advisors, LLC31,298$3.61M1.22%−1,397−4.3%Reduced
Blue Fin Capital, Inc.31,285$3.61M1.03%+20.0%Added
Abbot Financial Management, Inc.31,271$3.61M2.32%−959−3.0%Reduced
BFSG, LLC31,163$3.60M0.61%+2,059+7.1%Added
Quadrant Capital Group LLC31,126$3.59M0.36%−384−1.2%Reduced
Checchi Capital Advisers, LLC30,952$3.57M0.32%+90.0%Added
Pinkerton Retirement Specialists, LLC30,913$3.57M0.70%−444−1.4%Reduced
Asio Capital, LLC30,899$3.57M0.87%+36+0.1%Added
Nicollet Investment Management, Inc.30,895$3.56M1.59%−467−1.5%Reduced
Main Street Financial Solutions, LLC30,850$3.56M0.48%−220−0.7%Reduced
Proequities, Inc.30,650$3.56M0.27%+422+1.4%Added
Silicon Valley Capital Partners30,839$3.56M0.66%+3,646+13.4%Added
Essex LLC30,784$3.55M0.99%−738−2.3%Reduced
First City Capital Management, Inc.30,755$3.55M2.09%−881−2.8%Reduced
Cigna Investments Inc30,749$3.55M0.66%+60.0%Added
Accurate Wealth Management, LLC32,908$3.53M1.10%+20,002+155.0%Added
Aries Wealth Management30,587$3.53M1.37%−360−1.2%Reduced
Ascent Group, LLC33,163$3.53M0.39%−10,182−23.5%Reduced
CoreCap Advisors, LLC30,530$3.52M0.25%+30,530New
Townsend & Associates, Inc32,683$3.51M0.90%−2,300−6.6%Reduced
Costello Asset Management, INC30,396$3.51M3.00%+213+0.7%Added
Silvant Capital Management LLC30,138$3.50M0.20%−120.0%Reduced
EagleClaw Capital Managment, LLC30,313$3.50M0.80%−855−2.7%Reduced
Duncker Streett & Co Inc30,126$3.48M0.78%−389−1.3%Reduced
Red Cedar Investment Management, LLC30,112$3.47M0.53%+7,367+32.4%Added
Vickerman Investment Advisors, Inc.30,055$3.47M1.35%−503−1.6%Reduced
Welch Group, LLC30,045$3.47M0.20%+255+0.9%Added
SFMG, LLC29,878$3.45M0.35%−12,399−29.3%Reduced
Telemus Capital, LLC29,866$3.45M0.29%+135+0.5%Added
Stonebridge Capital Management Inc29,747$3.43M1.60%−650−2.1%Reduced
Essex Savings Bank29,723$3.43M1.14%+354+1.2%Added
River Wealth Advisors LLC29,667$3.42M0.58%+3,219+12.2%Added
Wisconsin Capital Management LLC29,649$3.42M2.22%−2,800−8.6%Reduced
IMA Wealth, Inc.29,642$3.42M0.88%−208−0.7%Reduced
IHT Wealth Management, LLC29,592$3.41M0.18%+3,485+13.3%Added
Hall Laurie J Trustee29,575$3.41M1.35%00.0%Unchanged
Windward Capital Management Co29,548$3.41M0.31%00.0%Unchanged
Fairhaven Wealth Management, LLC29,509$3.40M1.30%+29,509New
BerganKDV Wealth Management, LLC29,451$3.40M0.34%−854−2.8%Reduced
Money Concepts Capital Corp29,425$3.40M0.35%−25,720−46.6%Reduced
Chelsea Counsel Co29,221$3.39M1.67%00.0%Unchanged
Community Trust & Investment Co29,342$3.39M0.27%+76+0.3%Added
Independent Financial Group, LLC29,334$3.38M0.23%+2,830+10.7%Added
Harvey Investment Co LLC29,288$3.38M0.44%+34+0.1%Added
Centre Asset Management, LLC29,275$3.38M0.75%+953+3.4%Added
Axxcess Wealth Management, LLC29,211$3.37M0.24%−1,723−5.6%Reduced
Forum Financial Management, LP29,175$3.37M0.08%+1,477+5.3%Added
Legacy Private Trust Co.29,173$3.37M0.28%−2,220−7.1%Reduced
Sterling Investment Advisors, Ltd.29,155$3.36M1.11%−3,176−9.8%Reduced
Trust Asset Management LLC29,128$3.36M0.35%00.0%Unchanged
Berkeley, Inc29,087$3.36M2.26%+75+0.3%Added
Johnson Financial Group, Inc.29,008$3.35M0.23%+1,256+4.5%Added
First PREMIER Bank29,061$3.35M0.96%−66−0.2%Reduced
Csenge Advisory Group29,044$3.35M0.22%+725+2.6%Added
Golden State Equity Partners29,033$3.35M0.94%+6,538+29.1%Added
Callahan Advisors, LLC28,996$3.35M0.41%−328−1.1%Reduced
Inscription Capital, LLC28,967$3.34M1.04%−768−2.6%Reduced
Patton Fund Management, Inc.28,905$3.34M0.97%+13,497+87.6%Added
Nordwand Advisors, LLC28,720$3.31M0.57%+27,799+3,018.3%Added
BDO Wealth Advisors, LLC28,658$3.31M0.38%+4,663+19.4%Added
Shoker Investment Counsel, Inc.28,610$3.30M1.38%−207−0.7%Reduced
Comprehensive Financial Consultants Institutional, Inc.31,224$3.30M1.74%−782−2.4%Reduced
AIMZ Investment Advisors, LLC28,559$3.30M1.42%−164−0.6%Reduced
Capital Investment Advisory Services, LLC28,552$3.29M0.33%+332+1.2%Added
Geneos Wealth Management Inc.28,543$3.29M0.17%−39,458−58.0%Reduced
Laidlaw Wealth Management LLC28,497$3.29M0.64%+444+1.6%Added
Strengthening Families & Communities, LLC28,498$3.29M1.43%+3,001+11.8%Added
Hartford Financial Management Inc.28,425$3.28M0.81%−2,646−8.5%Reduced
Mayflower Financial Advisors, LLC28,397$3.28M0.42%−474−1.6%Reduced
BigSur Wealth Management LLC28,133$3.27M1.56%−2,270−7.5%Reduced
RNC Capital Management LLC28,146$3.25M0.18%+19,669+232.0%Added
Financial Advisory Service, Inc.28,138$3.25M0.41%+1,973+7.5%Added
Brandywine Oak Private Wealth LLC28,134$3.25M0.36%−419−1.5%Reduced
Pensionfund Sabic28,100$3.24M1.09%00.0%Unchanged
Phoenix Wealth Advisors28,095$3.24M1.89%+12,910+85.0%Added
Advisor OS, LLC27,904$3.22M0.53%+4,059+17.0%Added
Brighton Jones LLC27,904$3.22M0.16%+628+2.3%Added
Liontrust Investment Partners LLP27,872$3.22M0.05%−3,680−11.7%Reduced
Alpha DNA Investment Management LLC27,858$3.21M1.82%+15,753+130.1%Added
Clarius Group, LLC27,808$3.21M0.25%+1,832+7.1%Added
Duff & Phelps Investment Management Co27,792$3.21M0.04%+415+1.5%Added
HBK Investments L P27,712$3.20M0.10%+27,712New