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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, Q1 2023

Institutional positions in Merck & Co., Inc. as of Mar 31, 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
3,187
+15 vs. Q4 2022
Shares held
1.99B
+80.9M (+4.2%) vs. Q4 2022
Total value
$205.1B
−$6.63B (−3.1%) vs. Q4 2022
New holders
162
1,209 more added
Sold out
147
1,449 more reduced

71 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 holdersQ1 2023: 3,187 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 heldQ1 2023: $205.1B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2022.

Institutions holding MRK in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
International Assets Investment Management, LLC23,415$2.49M0.36%−21,986−48.4%Reduced
9258 Wealth Management, LLC23,434$2.49M0.50%+467+2.0%Added
Commerzbank Aktiengesellschaft23,484$2.50M0.13%−151−0.6%Reduced
Hamilton Wealth, LLC23,503$2.50M0.88%−11,478−32.8%Reduced
Webster Bank, N. A.23,505$2.50M0.33%−1,567−6.3%Reduced
Bank Hapoalim BM23,505$2.50M0.35%−2,400−9.3%Reduced
Ellis Investment Partners, LLC23,512$2.50M0.65%−316−1.3%Reduced
Financial Advocates Investment Management23,533$2.50M0.19%+233+1.0%Added
Garrett Investment Advisors LLC23,601$2.51M0.40%+1,635+7.4%Added
Nilsine Partners, LLC23,651$2.52M0.39%+23,651New
Avidian Wealth Solutions, LLC23,655$2.52M0.14%+2,165+10.1%Added
Clear Street Markets LLC23,751$2.53M0.70%−34,844−59.5%Reduced
Larson Financial Group LLC23,772$2.53M0.27%−7,516−24.0%Reduced
Blue Chip Partners, Inc.23,775$2.53M0.30%−1,282−5.1%Reduced
Bristol John W & Co Inc23,834$2.54M0.05%00.0%Unchanged
Advisor OS, LLC23,845$2.54M0.61%+444+1.9%Added
DAGCO, Inc.23,908$2.54M1.37%−846−3.4%Reduced
Sheets Smith Wealth Management23,977$2.55M0.39%−40.0%Reduced
BDO Wealth Advisors, LLC23,995$2.55M0.31%−353−1.4%Reduced
Aviance Capital Partners, LLC24,046$2.56M0.57%+2,078+9.5%Added
Kensington Investment Counsel, LLC24,072$2.56M1.93%−1,309−5.2%Reduced
Sculati Wealth Management, LLC24,168$2.57M1.37%+909+3.9%Added
Hudock, Inc.24,235$2.58M0.63%−9,529−28.2%Reduced
New Potomac Partners, LLC24,245$2.58M1.79%−323−1.3%Reduced
Woodard & Co Asset Management Group Inc24,403$2.60M0.90%−472−1.9%Reduced
Jeppson Wealth Management, LLC24,424$2.60M1.13%−237−1.0%Reduced
Strategic Financial Services, Inc,24,486$2.61M0.20%−1,910−7.2%Reduced
Fiduciary Group LLC24,505$2.61M0.34%−50−0.2%Reduced
Hudson Valley Investment Advisors Inc24,507$2.61M0.36%−1,277−5.0%Reduced
Brendel Financial Advisors LLC24,601$2.62M1.94%00.0%Unchanged
Old North State Wealth Management, LLC24,634$2.62M2.46%−1,729−6.6%Reduced
Leisure Capital Management24,725$2.63M1.51%−19−0.1%Reduced
Buckhead Capital Management LLC24,742$2.63M0.62%−194−0.8%Reduced
Next Level Private LLC24,811$2.64M2.08%00.0%Unchanged
Sweeney & Michel, LLC24,063$2.65M1.41%+24,063New
Wedmont Private Capital23,549$2.65M0.35%+4,714+25.0%Added
Jmac Enterprises LLC25,112$2.67M0.68%+2,574+11.4%Added
Orca Investment Management, LLC25,129$2.67M3.28%−153−0.6%Reduced
Watchman Group, Inc.25,219$2.68M1.40%−111−0.4%Reduced
Morse Asset Management, Inc25,330$2.69M0.91%−2,162−7.9%Reduced
Independent Solutions Wealth Management, LLC25,390$2.70M0.80%+1,473+6.2%Added
Cypress Capital, LLC25,435$2.71M0.85%+362+1.4%Added
Key Financial Inc25,468$2.71M0.99%+165+0.7%Added
Dominguez Wealth Management Solutions, Inc.25,469$2.71M2.49%+465+1.9%Added
Gould Capital, LLC25,560$2.72M2.10%−9,868−27.9%Reduced
Liberty One Investment Management, LLC25,588$2.72M0.37%+908+3.7%Added
First County Bank25,606$2.72M1.34%−21,178−45.3%Reduced
Palisade Asset Management, LLC25,712$2.74M0.34%−860−3.2%Reduced
Werlinich Asset Management, LLC25,765$2.74M2.41%−90−0.3%Reduced
Thoroughbred Financial Services, LLC25,816$2.75M0.41%+212+0.8%Added
CNB Bank25,845$2.75M1.67%+812+3.2%Added
Qtron Investments LLC25,888$2.75M0.57%−2,515−8.9%Reduced
Clarius Group, LLC25,976$2.76M0.23%−81−0.3%Reduced
Hunter Associates Investment Management LLC26,071$2.77M0.59%−2,072−7.4%Reduced
Hayek Kallen Investment Management26,092$2.78M1.26%−974−3.6%Reduced
IHT Wealth Management, LLC26,107$2.78M0.16%+1,127+4.5%Added
Drexel Morgan & Co.26,123$2.78M0.70%00.0%Unchanged
Financial Advisory Service, Inc.26,165$2.78M0.30%−3,692−12.4%Reduced
Patten Group, Inc.26,214$2.79M0.84%+731+2.9%Added
NTV Asset Management LLC26,240$2.79M0.52%−1,493−5.4%Reduced
Ontario Teachers Pension Plan Board26,250$2.79M0.03%−7,787−22.9%Reduced
River Wealth Advisors LLC26,448$2.81M0.51%+3,701+16.3%Added
Independent Financial Group, LLC26,504$2.82M0.23%−1,216−4.4%Reduced
Empire Financial Management Company, LLC26,537$2.82M1.15%+26,537New
Curbstone Financial Management Corp26,586$2.83M0.69%−1,000−3.6%Reduced
Mission Wealth Management, LP26,624$2.83M0.12%+33+0.1%Added
Advisory Resource Group26,688$2.84M0.80%+1,364+5.4%Added
Tevis Investment Management26,696$2.84M2.89%+122+0.5%Added
Western Wealth Management, LLC26,710$2.84M0.26%+45+0.2%Added
Alliance Wealth Advisors, LLC26,776$2.85M1.15%+873+3.4%Added
TBH Global Asset Management, LLC26,830$2.85M0.61%+1,948+7.8%Added
Wellington Shields & Co., LLC26,866$2.86M0.64%+1,356+5.3%Added
Oak Harbor Wealth Partners, LLC26,912$2.86M1.04%+110+0.4%Added
Legacy Capital Group California, Inc.26,983$2.87M1.40%+26,983New
Harbor Investment Advisory, LLC27,017$2.87M0.43%+928+3.6%Added
Mechanics Bank Trust Department27,050$2.88M0.48%−1,516−5.3%Reduced
VisionPoint Advisory Group, LLC24,586$2.89M1.27%−24,450−49.9%Reduced
Valley National Advisers Inc24,912$2.89M0.51%+1,457+6.2%Added
Horizon Kinetics Asset Management LLC27,162$2.89M0.06%−8,099−23.0%Reduced
Transamerica Financial Advisors, Inc.27,156$2.89M0.38%−2,844−9.5%Reduced
Jaffetilchin Investment Partners, LLC27,174$2.89M0.33%−657−2.4%Reduced
Silicon Valley Capital Partners27,193$2.89M0.61%+1,675+6.6%Added
M Holdings Securities, Inc.27,227$2.90M0.30%−45−0.2%Reduced
Riverview Trust Co27,266$2.90M2.67%−1,129−4.0%Reduced
Brighton Jones LLC27,276$2.90M0.16%−302−1.1%Reduced
High Note Wealth, LLC27,304$2.90M1.20%+144+0.5%Added
Northstar Group, Inc.27,332$2.91M0.75%−580−2.1%Reduced
Rehmann Capital Advisory Group27,332$2.91M0.27%−443−1.6%Reduced
Duff & Phelps Investment Management Co27,377$2.91M0.04%00.0%Unchanged
PFG Advisors27,392$2.91M0.24%+2,133+8.4%Added
Cliftonlarsonallen Wealth Advisors, LLC27,467$2.92M0.09%+1,955+7.7%Added
Cubic Asset Management, LLC27,510$2.93M0.82%−19−0.1%Reduced
Andesa Financial Management Inc.62,950$2.93M1.52%+27,068+75.4%Added
Barometer Capital Management Inc.27,550$2.93M0.75%−90,830−76.7%Reduced
Murphy Pohlad Asset Management LLC27,561$2.93M1.21%−2,070−7.0%Reduced
Headinvest, LLC27,592$2.94M0.64%+549+2.0%Added
Nippon Life Global Investors Americas, Inc.27,640$2.94M0.19%−4,590−14.2%Reduced
Forum Financial Management, LP27,698$2.95M0.09%−125−0.4%Reduced
Stolper Co27,702$2.95M1.26%+43+0.2%Added
Johnson Financial Group, Inc.27,752$2.96M0.21%+2,232+8.7%Added