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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; 3,854 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 2024

Institutional positions in Merck & Co., Inc. as of Jun 30, 2024. 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
3,558
+62 vs. Q1 2024
Shares held
1.96B
+16.1M (+0.8%) vs. Q1 2024
Total value
$242.3B
−$13.4B (−5.2%) vs. Q1 2024
New holders
180
1,608 more added
Sold out
118
1,371 more reduced

51 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 3,558 institutions
Q1 2021: 2,693 institutionsQ2 2021: 2,684 institutionsQ3 2021: 2,658 institutionsQ4 2021: 2,910 institutionsQ1 2022: 2,962 institutionsQ2 2022: 3,020 institutionsQ3 2022: 2,997 institutionsQ4 2022: 3,244 institutionsQ1 2023: 3,188 institutionsQ2 2023: 3,262 institutionsQ3 2023: 3,222 institutionsQ4 2023: 3,444 institutionsQ1 2024: 3,547 institutionsQ2 2024: 3,558 institutionsQ3 2024: 3,502 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: 3,854 institutions
Value heldQ2 2024: $242.3B
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 20263,854$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 20243,502$221.8B
Q2 20243,558$242.3B
Q1 20243,547$256.9B
Q4 20233,444$211.6B
Q3 20233,222$197.7B
Q2 20233,262$222.8B
Q1 20233,188$205.1B
Q4 20223,244$212.2B
Q3 20222,997$162.7B
Q2 20223,020$171.5B
Q1 20222,962$152.1B
Q4 20212,910$142.2B
Q3 20212,658$138.8B
Q2 20212,684$144.3B
Q1 20212,693$143.2B

Institutions, Q2 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2024.

Institutions holding MRK in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc244,677,214$30.3B0.58%+1,407,315+0.6%Added
BlackRock Inc.207,295,317$25.7B0.58%+279,840+0.1%Added
State Street Corp117,489,938$14.6B0.64%+64,408+0.1%Added
Wellington Management Group LLP72,481,979$8.97B1.60%−13,866,280−16.1%Reduced
Geode Capital Management, LLC57,020,708$7.04B0.62%+609,479+1.1%Added
FMR LLC50,653,254$6.27B0.40%−1,517,665−2.9%Reduced
Morgan Stanley42,217,361$5.23B0.40%+711,506+1.7%Added
Bank of America Corp39,280,076$4.86B0.47%+3,268,122+9.1%Added
Norges Bank33,806,976$4.19B0.63%+3,873,023+12.9%Added
JPMorgan Chase & Co28,086,978$3.48B0.30%+1,426,061+5.3%Added
Northern Trust Corp26,820,276$3.32B0.56%−279,350−1.0%Reduced
Price T Rowe Associates Inc24,725,061$3.06B0.37%−4,914,456−16.6%Reduced
Deutsche Bank AG20,804,106$2.58B1.16%−438,981−2.1%Reduced
Bank of New York Mellon Corp19,152,290$2.37B0.45%−490,649−2.5%Reduced
Legal & General Group Plc18,687,107$2.31B0.65%−555,928−2.9%Reduced
Charles Schwab Investment Management Inc18,293,233$2.26B0.43%+643,093+3.6%Added
UBS Asset Management Americas Inc17,446,365$2.16B0.62%+4,898,995+39.0%Added
Ameriprise Financial Inc16,625,085$2.06B0.56%−346,147−2.0%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main15,906,232$1.97B2.16%+1,193,579+8.1%Added
Invesco Ltd.15,796,361$1.96B0.41%−262,178−1.6%Reduced
Royal Bank of Canada15,693,046$1.94B0.47%+2,137,895+15.8%Added
Wells Fargo & Company15,617,960$1.93B0.50%−758,740−4.6%Reduced
Capital World Investors15,271,723$1.89B0.31%+1,317,706+9.4%Added
UBS Group AG14,502,728$1.80B0.55%+965,628+7.1%Added
Fisher Asset Management, LLC14,266,015$1.77B0.77%+395,572+2.9%Added
Franklin Resources Inc14,212,656$1.76B0.54%−3,480,612−19.7%Reduced
Nuveen Asset Management, LLC13,795,343$1.71B0.50%−2,749,204−16.6%Reduced
State Farm Mutual Automobile Insurance Co13,794,969$1.71B1.54%00.0%Unchanged
Amundi12,948,809$1.63B0.62%+282,542+2.2%Added
Goldman Sachs Group Inc12,532,975$1.55B0.30%+876,795+7.5%Added
Alliancebernstein L.P.11,331,807$1.40B0.49%+145,045+1.3%Added
Janus Henderson Group PLC10,690,678$1.32B0.71%+229,514+2.2%Added
Raymond James & Associates9,760,634$1.21B0.79%−36,592−0.4%Reduced
Massachusetts Financial Services Co9,672,022$1.20B0.37%−1,213,413−11.1%Reduced
California Public Employees Retirement System9,596,918$1.19B0.87%−1,411,945−12.8%Reduced
Millennium Management LLC9,585,179$1.19B0.98%−484,273−4.8%Reduced
Schroder Investment Management Group9,087,022$1.12B1.24%+251,875+2.9%Added
Aristotle Capital Management, LLC8,940,642$1.11B2.14%−254,229−2.8%Reduced
The PNC Financial Services Group, Inc.8,346,197$1.03B0.69%−105,139−1.2%Reduced
HSBC Holdings PLC8,216,348$1.03B0.66%+790,145+10.6%Added
Citadel Advisors LLC8,242,067$1.02B1.00%+666,847+8.8%Added
Barclays PLC8,044,824$995.9M0.46%−626,983−7.2%Reduced
Nordea Investment Management AB7,543,776$980.2M1.15%−819,036−9.8%Reduced
Envestnet Asset Management Inc7,693,065$952.4M0.33%+64,996+0.9%Added
Swiss National Bank7,498,551$928.3M0.64%−90,200−1.2%Reduced
Stifel Financial Corp7,006,095$867.4M0.98%−31,994−0.5%Reduced
Clearbridge Investments, LLC6,886,549$852.6M0.69%−139,987−2.0%Reduced
Bank of Montreal6,384,033$849.1M0.43%−192,973−2.9%Reduced
Citigroup Inc6,656,934$824.1M0.79%+1,946,873+41.3%Added
Sumitomo Mitsui Trust Holdings, Inc.6,493,564$803.9M0.59%−576,723−8.2%Reduced
LSV Asset Management6,356,770$787.0M1.72%−631,010−9.0%Reduced
Capital International Investors6,231,970$772.3M0.16%+208,117+3.5%Added
Arrowstreet Capital, Limited Partnership6,207,199$768.5M0.68%+1,459,491+30.7%Added
Dimensional Fund Advisors LP6,201,926$768.0M0.20%+431,074+7.5%Added
Barrow Hanley Mewhinney & Strauss LLC5,891,756$729.4M2.49%−290,704−4.7%Reduced
Principal Financial Group Inc5,837,680$722.7M0.43%−194,575−3.2%Reduced
DekaBank Deutsche Girozentrale5,256,274$683.9M1.23%−134,332−2.5%Reduced
Alphinity Investment Management Pty Ltd5,477,158$678.1M4.99%+4,013,657+274.3%Added
Swedbank AB5,434,417$672.8M0.90%−58,394−1.1%Reduced
Canada Pension Plan Investment Board5,388,789$667.1M0.66%+1,508,821+38.9%Added
Grantham, Mayo, Van Otterloo & Co. LLC5,328,292$659.6M2.23%+601,234+12.7%Added
TD Asset Management Inc5,190,353$642.6M0.60%+25,038+0.5%Added
Neuberger Berman Group LLC5,102,072$632.5M0.52%−422,235−7.6%Reduced
Manufacturers Life Insurance Company, The5,006,720$619.8M0.58%+119,684+2.4%Added
Standard Life Aberdeen plc4,739,040$586.7M1.12%−141,206−2.9%Reduced
Rhumbline Advisers4,566,635$565.3M0.53%+117,473+2.6%Added
Macquarie Group Ltd4,487,785$555.6M0.64%−467,637−9.4%Reduced
Qube Research & Technologies Ltd4,275,083$529.3M0.98%+2,934,358+218.9%Added
Bahl & Gaynor Inc4,262,313$527.7M2.95%+71,019+1.7%Added
National Pension Service4,151,088$513.9M0.59%+68,606+1.7%Added
California State Teachers Retirement System4,142,843$512.9M0.63%+23,410+0.6%Added
Ensign Peak Advisors, Inc4,098,843$507.4M0.93%−832,195−16.9%Reduced
New York State Common Retirement Fund3,982,013$493.0M0.65%−44,181−1.1%Reduced
Truist Financial Corp3,763,143$465.9M0.71%+17,797+0.5%Added
Prudential Financial Inc3,677,681$455.3M0.68%−419,924−10.2%Reduced
Raymond James Financial Services Advisors, Inc.3,634,014$449.9M0.64%+59,142+1.7%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.3,530,448$437.2M0.53%+371,348+11.8%Added
CI Private Wealth, LLC3,494,031$432.6M0.75%−95,209−2.7%Reduced
KBC Group NV3,366,107$416.7M1.26%+978,655+41.0%Added
Robeco Institutional Asset Management B.V.3,306,807$409.4M0.88%+378,024+12.9%Added
Caisse de Depot Et Placement du Quebec3,194,088$395.4M0.96%−599,550−15.8%Reduced
Adage Capital Partners GP, L.L.C.3,171,187$392.6M0.73%−204,404−6.1%Reduced
American Century Companies Inc3,100,480$383.8M0.23%+390,639+14.4%Added
Capital Wealth Planning, LLC2,969,433$367.6M3.85%+701,481+30.9%Added
Smead Capital Management, Inc.2,958,823$366.3M5.72%−88,152−2.9%Reduced
Fayez Sarofim & Co2,921,940$361.7M0.98%+718,344+32.6%Added
Victory Capital Management Inc2,822,491$349.4M0.35%−7,355−0.3%Reduced
Los Angeles Capital Management LLC2,807,933$347.6M1.24%+1,959,152+230.8%Added
APG Asset Management N.V.2,993,452$345.8M0.62%−288,788−8.8%Reduced
LPL Financial LLC2,745,933$339.9M0.17%+206,974+8.2%Added
HighTower Advisors, LLC2,742,343$339.4M0.52%+38,198+1.4%Added
BNP Paribas Arbitrage, SA2,624,616$324.9M0.35%−436,401−14.3%Reduced
State Board of Administration of Florida Retirement System2,600,745$322.0M0.63%−268,111−9.3%Reduced
Brown Advisory Inc2,593,583$321.1M0.42%+98,691+4.0%Added
Marshall Wace, LLP2,584,183$319.9M0.45%+634,194+32.5%Added
London Co of Virginia2,498,092$309.3M1.74%−123,818−4.7%Reduced
Holocene Advisors, LP2,486,403$307.8M1.29%+2,484,447+127,016.7%Added
Beutel, Goodman & Co Ltd.2,463,939$305.0M1.62%+32,099+1.3%Added
New York State Teachers Retirement System2,459,983$304.5M0.64%−106,480−4.1%Reduced
Jane Street Group, LLC2,434,424$301.4M0.33%+841,959+52.9%Added