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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, Q3 2024

Institutional positions in Merck & Co., Inc. as of Sep 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
3,502
−15 vs. Q2 2024
Shares held
1.96B
+213.1M (+12.2%) vs. Q2 2024
Total value
$221.8B
+$5.55B (+2.6%) vs. Q2 2024
New holders
146
1,537 more added
Sold out
161
1,421 more reduced

41 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2024: 3,502 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 heldQ3 2024: $221.8B
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 20263,854$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, Q3 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2024.

Institutions holding MRK in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc249,803,915$28.4B0.51%+5,126,701+2.1%Added
BlackRock, Inc.212,059,737$24.1B0.51%+212,059,737New
State Street Corp119,026,412$13.6B0.55%+1,536,474+1.3%Added
Wellington Management Group LLP75,809,383$8.61B1.51%+3,327,404+4.6%Added
Geode Capital Management, LLC59,155,004$6.70B0.54%+2,134,296+3.7%Added
FMR LLC49,706,304$5.64B0.34%−946,950−1.9%Reduced
Morgan Stanley44,391,822$5.04B0.37%+2,174,461+5.2%Added
Bank of America Corp38,868,024$4.41B0.39%−412,052−1.0%Reduced
Norges Bank33,781,024$3.84B0.54%−25,952−0.1%Reduced
JPMorgan Chase & Co27,285,865$3.10B0.25%−801,113−2.9%Reduced
Northern Trust Corp26,865,365$3.05B0.50%+45,089+0.2%Added
Price T Rowe Associates Inc22,472,076$2.55B0.29%−2,252,985−9.1%Reduced
Deutsche Bank AG19,568,812$2.22B0.91%−1,235,294−5.9%Reduced
Legal & General Group Plc19,242,802$2.19B0.57%+555,695+3.0%Added
Charles Schwab Investment Management Inc18,807,293$2.14B0.41%+514,060+2.8%Added
Bank of New York Mellon Corp18,662,713$2.12B0.39%−489,577−2.6%Reduced
UBS Asset Management Americas Inc17,756,021$2.02B0.52%+309,656+1.8%Added
Ameriprise Financial Inc17,165,185$1.95B0.50%+540,100+3.2%Added
Royal Bank of Canada16,573,661$1.88B0.42%+880,615+5.6%Added
Franklin Resources Inc16,049,161$1.76B0.49%+1,836,505+12.9%Added
Amundi16,068,883$1.74B0.64%+3,120,074+24.1%Added
UBS Group AG15,306,342$1.74B0.49%+803,614+5.5%Added
Capital World Investors15,234,690$1.73B0.27%−37,033−0.2%Reduced
Wells Fargo & Company14,917,821$1.69B0.41%−700,139−4.5%Reduced
Goldman Sachs Group Inc14,826,526$1.68B0.32%+2,293,551+18.3%Added
Fisher Asset Management, LLC14,653,435$1.66B0.68%+387,420+2.7%Added
State Farm Mutual Automobile Insurance Co13,794,969$1.57B1.36%00.0%Unchanged
Nuveen Asset Management, LLC13,270,291$1.51B0.42%−525,052−3.8%Reduced
Invesco Ltd.12,604,306$1.43B0.28%−3,192,055−20.2%Reduced
Alliancebernstein L.P.12,027,485$1.37B0.46%+695,678+6.1%Added
Raymond James & Associates9,874,714$1.12B0.68%+114,080+1.2%Added
California Public Employees Retirement System9,294,053$1.06B0.74%−302,865−3.2%Reduced
Nordea Investment Management AB8,977,261$1.02B1.16%+1,433,485+19.0%Added
Aristotle Capital Management, LLC8,920,929$1.01B1.84%−19,713−0.2%Reduced
Janus Henderson Group PLC8,769,626$995.9M0.51%−1,921,052−18.0%Reduced
Massachusetts Financial Services Co8,594,276$976.0M0.29%−1,077,746−11.1%Reduced
The PNC Financial Services Group, Inc.8,222,192$933.7M0.60%−124,005−1.5%Reduced
HSBC Holdings PLC7,731,827$877.8M0.55%−484,521−5.9%Reduced
Swedbank AB7,530,111$855.1M1.09%+2,095,694+38.6%Added
Swiss National Bank7,517,951$853.7M0.55%+19,400+0.3%Added
Envestnet Asset Management Inc7,506,971$852.5M0.28%−186,094−2.4%Reduced
Alphinity Investment Management Pty Ltd7,177,065$815.0M4.81%+1,699,907+31.0%Added
Dimensional Fund Advisors LP7,097,528$806.0M0.20%+895,602+14.4%Added
Citadel Advisors LLC7,041,689$799.7M0.83%−1,200,378−14.6%Reduced
Stifel Financial Corp7,014,255$796.5M0.84%+8,160+0.1%Added
Arrowstreet Capital, Limited Partnership6,959,133$790.3M0.67%+751,934+12.1%Added
Barclays PLC6,887,575$782.2M0.34%−1,157,249−14.4%Reduced
Clearbridge Investments, LLC6,830,504$775.7M0.61%−56,045−0.8%Reduced
D. E. Shaw & Co., Inc.6,761,095$767.8M1.00%+4,382,317+184.2%Added
Schroder Investment Management Group6,602,984$749.8M0.77%−2,484,038−27.3%Reduced
Sumitomo Mitsui Trust Holdings, Inc.6,537,142$742.4M0.51%+43,578+0.7%Added
Bank of Montreal6,510,084$740.1M0.35%+126,051+2.0%Added
Principal Financial Group Inc6,355,950$721.8M0.39%+518,270+8.9%Added
Capital International Investors6,305,146$716.0M0.14%+73,176+1.2%Added
LSV Asset Management6,015,120$683.1M1.46%−341,650−5.4%Reduced
Grantham, Mayo, Van Otterloo & Co. LLC5,912,044$671.4M2.10%+583,752+11.0%Added
Barrow Hanley Mewhinney & Strauss LLC5,656,602$642.4M2.10%−235,154−4.0%Reduced
DekaBank Deutsche Girozentrale5,427,912$612.9M1.14%+171,638+3.3%Added
Caisse de Depot Et Placement du Quebec5,388,551$611.9M1.22%+2,194,463+68.7%Added
Manufacturers Life Insurance Company, The5,152,053$585.1M0.51%+145,333+2.9%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main4,988,155$566.4M0.59%−10,918,077−68.6%Reduced
National Pension Service4,786,264$543.5M0.52%+635,176+15.3%Added
Standard Life Aberdeen plc4,608,784$522.2M0.96%−130,256−2.7%Reduced
Rhumbline Advisers4,517,345$513.0M0.46%−49,290−1.1%Reduced
Bahl & Gaynor Inc4,431,001$503.2M2.59%+168,688+4.0%Added
Citigroup Inc4,422,193$502.2M0.46%−2,234,741−33.6%Reduced
Macquarie Group Ltd4,402,617$500.0M0.54%−85,168−1.9%Reduced
Two Sigma Advisers, LP4,264,100$484.2M1.13%+2,610,800+157.9%Added
Qube Research & Technologies Ltd4,172,845$473.9M0.87%−102,238−2.4%Reduced
California State Teachers Retirement System4,134,870$469.6M0.55%−7,973−0.2%Reduced
Canada Pension Plan Investment Board4,062,334$461.3M0.44%−1,326,455−24.6%Reduced
National Bank of Canada4,020,093$456.5M0.62%+1,689,212+72.5%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.3,821,997$434.1M0.46%+291,549+8.3%Added
Ensign Peak Advisors, Inc3,706,815$420.9M0.74%−392,028−9.6%Reduced
CI Private Wealth, LLC3,698,868$420.0M0.66%+204,837+5.9%Added
Raymond James Financial Services Advisors, Inc.3,603,148$409.2M0.55%−30,866−0.8%Reduced
New York State Common Retirement Fund3,557,913$404.0M0.55%−424,100−10.7%Reduced
BNP Paribas Arbitrage, SA3,545,002$402.6M0.39%+920,386+35.1%Added
Truist Financial Corp3,460,795$393.0M0.62%−302,348−8.0%Reduced
Beutel, Goodman & Co Ltd.3,446,817$391.4M1.93%+982,878+39.9%Added
Prudential Financial Inc3,396,457$385.7M0.54%−281,224−7.6%Reduced
Smead Capital Management, Inc.3,380,469$383.9M5.48%+421,646+14.3%Added
Robeco Institutional Asset Management B.V.3,203,678$363.8M0.72%−103,129−3.1%Reduced
Handelsbanken Fonder AB3,130,042$355.4M1.41%+967,462+44.7%Added
Capital Wealth Planning, LLC3,084,323$350.3M3.27%+114,890+3.9%Added
AQR Capital Management LLC3,023,029$343.3M0.47%+811,759+36.7%Added
Victory Capital Management Inc2,973,364$337.7M0.33%+150,873+5.3%Added
Harris Associates L PSuperinvestorHarris Associates (Oakmark)2,943,021$334.2M0.44%+2,943,021New
Fayez Sarofim & Co2,895,191$328.8M0.84%−26,749−0.9%Reduced
HighTower Advisors, LLC2,869,010$325.8M0.47%+126,667+4.6%Added
LPL Financial LLC2,858,482$324.6M0.14%+112,549+4.1%Added
Brown Advisory Inc2,856,646$324.4M0.41%+263,063+10.1%Added
Russell Investments Group, Ltd.2,769,811$314.6M0.46%+571,455+26.0%Added
ABN AMRO Bank N.V.2,774,658$312.5M4.28%+385,225+16.1%Added
Los Angeles Capital Management LLC2,705,120$307.2M1.24%−102,813−3.7%Reduced
State Board of Administration of Florida Retirement System2,536,980$288.1M0.55%−63,765−2.5%Reduced
TD Asset Management Inc2,506,547$285.0M0.25%−2,683,806−51.7%Reduced
KBC Group NV2,481,859$281.8M0.85%−884,248−26.3%Reduced
Candriam Luxembourg S.C.A.2,465,714$280.0M1.61%+85,249+3.6%Added
Great West Life Assurance Co2,457,317$279.5M0.49%+76,811+3.2%Added