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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 2021

Institutional positions in Merck & Co., Inc. as of Jun 30, 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
2,684
+22 vs. Q1 2021
Shares held
1.86B
+10.7M (+0.6%) vs. Q1 2021
Total value
$144.3B
+$2.07B (+1.5%) vs. Q1 2021
New holders
136
1,285 more added
Sold out
114
961 more reduced

31 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 2,684 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 2021: $144.3B
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 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2021.

Institutions holding MRK in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Malaga Cove Capital, LLC17,979$1.40M0.60%+2,890+19.2%Added
Maple Capital Management, Inc.18,239$1.40M0.17%−1,292−6.6%Reduced
Gillespie Robinson & Grimm Inc17,998$1.40M0.12%−907−4.8%Reduced
Quest Investment Management LLC18,000$1.40M0.13%00.0%Unchanged
Mitchell McLeod Pugh & Williams Inc18,022$1.40M0.54%+913+5.3%Added
First Business Financial Services, Inc.18,039$1.40M0.16%+2,075+13.0%Added
American National Bank18,037$1.40M0.30%+9,292+106.3%Added
Amica Retiree Medical Trust18,101$1.41M0.89%00.0%Unchanged
Triangle Securities Wealth Management18,197$1.42M0.48%+161+0.9%Added
Berman Capital Advisors, LLC18,228$1.42M0.23%+8,257+82.8%Added
Cypress Capital, LLC18,221$1.42M1.38%+3,183+21.2%Added
Cornerstone Advisory, LLC18,241$1.42M0.24%+3,317+22.2%Added
Covenant Multifamily Offices, LLC18,262$1.42M0.26%+328+1.8%Added
Robertson Stephens Wealth Management, LLC18,170$1.42M0.17%−1,347−6.9%Reduced
Financial Advocates Investment Management18,304$1.42M0.10%−359−1.9%Reduced
Noesis Capital Mangement Corp18,337$1.43M0.29%−26−0.1%Reduced
Albion Financial Group18,399$1.43M0.12%+18,399New
Orion Portfolio Solutions, LLC18,420$1.43M0.06%+1,600+9.5%Added
Apollon Wealth Management, LLC18,498$1.44M0.26%−893−4.6%Reduced
Wimmer Associates 1, LLC18,557$1.44M0.85%+535+3.0%Added
Peak Asset Management, LLC18,606$1.45M0.36%−357−1.9%Reduced
Chicago Capital, LLC18,676$1.45M0.06%−180−1.0%Reduced
Notis-McConarty Edward18,685$1.45M0.54%00.0%Unchanged
Plante Moran Financial Advisors, LLC18,769$1.46M0.35%−13,773−42.3%Reduced
Grimes & Company, Inc.18,778$1.46M0.06%+196+1.1%Added
Pantheon Investment Group, LLC18,786$1.46M1.22%−1,106−5.6%Reduced
Mason Investment Advisory Services, Inc.18,793$1.46M0.15%+1,039+5.9%Added
Doheny Asset Management18,890$1.47M0.95%−6,535−25.7%Reduced
True North Advisors, LLC18,907$1.47M0.31%+220+1.2%Added
Windsor Capital Management, LLC18,946$1.47M0.49%−84−0.4%Reduced
Meristem Family Wealth, LLC18,992$1.48M0.23%−1,139−5.7%Reduced
Moloney Securities Asset Management, LLC19,046$1.48M0.27%−1,251−6.2%Reduced
Washington Capital Management Inc19,053$1.48M1.79%−340−1.8%Reduced
Investors Asset Management of Georgia Inc19,111$1.49M0.80%−125−0.6%Reduced
Parcion Private Wealth LLC19,153$1.49M0.15%00.0%Unchanged
Ridgewood Investments LLC19,182$1.49M0.96%+3,516+22.4%Added
Dixon Hubard Feinour & Brown Inc19,224$1.50M0.31%−2,415−11.2%Reduced
Longfellow Investment Management Co LLC19,286$1.50M0.21%−7,762−28.7%Reduced
Beaton Management Co. Inc.19,310$1.50M0.96%−500−2.5%Reduced
Enterprise Financial Services Corp19,348$1.50M0.24%−814−4.0%Reduced
Wealthcare Advisory Partners LLC19,358$1.50M0.10%−515−2.6%Reduced
West Paces Advisors Inc.19,399$1.51M0.55%+10+0.1%Added
Pictet Bank & Trust Ltd19,405$1.51M0.85%−7,200−27.1%Reduced
Integrated Investment Consultants, LLC19,446$1.51M0.44%+2,018+11.6%Added
American Research & Management Co.19,571$1.52M0.35%−5,049−20.5%Reduced
WBH Advisory Inc19,730$1.52M0.22%−797−3.9%Reduced
Montecito Bank & Trust19,600$1.52M0.29%+581+3.1%Added
Bank Hapoalim BM19,671$1.53M0.18%+828+4.4%Added
Bridge Creek Capital Management LLC19,727$1.53M0.58%+990+5.3%Added
Veriti Management LLC19,737$1.53M0.23%+71+0.4%Added
Insight Advisors, LLC20,144$1.53M0.48%−18−0.1%Reduced
Trust Co19,771$1.54M1.08%+12+0.1%Added
Pure Financial Advisors, Inc.19,791$1.54M0.13%00.0%Unchanged
Patriot Investment Management Inc.19,846$1.54M0.14%+1,048+5.6%Added
Columbus Macro, LLC19,828$1.54M0.48%−277−1.4%Reduced
Quadrant Capital Group LLC19,902$1.55M0.22%+1,542+8.4%Added
Kovack Advisors, Inc.19,972$1.55M0.18%+871+4.6%Added
Valmark Advisers, Inc.19,977$1.55M0.03%+305+1.6%Added
Ashton Thomas Private Wealth, LLC20,024$1.56M0.24%+523+2.7%Added
Capstone Triton Financial Group, LLC20,113$1.56M0.96%+2,773+16.0%Added
Continental Advisors LLC20,131$1.57M1.11%00.0%Unchanged
Ashburton (Jersey) Ltd20,157$1.57M0.66%−3,976−16.5%Reduced
Brave Asset Management Inc20,173$1.57M0.46%−1,321−6.1%Reduced
GoalVest Advisory LLC20,179$1.57M0.97%+2,371+13.3%Added
Family Capital Trust Co20,232$1.57M0.44%00.0%Unchanged
Sutton Wealth Advisors Inc.20,235$1.57M0.57%−209−1.0%Reduced
Marcum Wealth, LLC20,239$1.57M0.26%+1,056+5.5%Added
Ridgecrest Wealth Partners, LLC20,266$1.58M0.98%+1,128+5.9%Added
Probity Advisors, Inc.20,309$1.58M0.33%−24−0.1%Reduced
Sandhill Capital Partners LLC20,309$1.58M0.12%+2,895+16.6%Added
Hotaling Investment Management, LLC20,310$1.58M0.64%+6,055+42.5%Added
Golden State Equity Partners20,354$1.58M0.61%−1,556−7.1%Reduced
Oakworth Capital, Inc.20,366$1.58M0.16%+265+1.3%Added
Clarius Group, LLC20,376$1.58M0.14%−128−0.6%Reduced
Liberty One Investment Management, LLC20,411$1.59M0.27%+2,538+14.2%Added
Teza Capital Management LLC20,428$1.59M0.26%−16,188−44.2%Reduced
Krilogy Financial LLC20,473$1.59M0.16%+959+4.9%Added
Independent Financial Group, LLC20,573$1.60M0.17%+1,685+8.9%Added
Mount Yale Investment Advisors, LLC20,578$1.60M0.19%−58−0.3%Reduced
Baxter Bros Inc20,585$1.60M0.25%−1,267−5.8%Reduced
IVC Wealth Advisors LLC20,674$1.61M1.13%+402+2.0%Added
Capital International Inc20,718$1.61M0.01%−30,639−59.7%Reduced
Essex Investment Management Co LLC20,719$1.61M0.19%+19,425+1,501.2%Added
WSFS Capital Management, LLC20,753$1.61M0.73%+53+0.3%Added
Jeppson Wealth Management, LLC20,816$1.62M0.88%+2,113+11.3%Added
Chiron Capital Management, LLC20,850$1.62M1.35%−750−3.5%Reduced
WMS Partners, LLC20,869$1.62M0.24%+3,387+19.4%Added
Blueshift Asset Management, LLC20,881$1.62M0.09%−73,428−77.9%Reduced
Financial Architects, Inc20,983$1.63M0.24%+891+4.4%Added
LeJeune Puetz Investment Counsel LLC21,000$1.63M0.60%00.0%Unchanged
Mastrapasqua Asset Management Inc21,025$1.64M0.17%+3,485+19.9%Added
Strategic Advisors LLC21,038$1.64M0.43%−864−3.9%Reduced
Evermay Wealth Management LLC21,055$1.64M0.30%−150−0.7%Reduced
First Foundation Advisors21,333$1.66M0.06%−9,436−30.7%Reduced
Burke & Herbert Bank & Trust Co21,391$1.66M1.07%+306+1.5%Added
Regents of the University of California21,600$1.68M0.21%00.0%Unchanged
Dynamic Advisor Solutions LLC21,616$1.68M0.13%−4,130−16.0%Reduced
Cape Cod Five Cents Savings Bank21,613$1.68M0.17%−610−2.7%Reduced
Sanders Morris Harris LLC21,544$1.68M0.33%00.0%Unchanged
Baker Chad R21,700$1.69M0.38%−8,877−29.0%Reduced