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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, Q4 2021

Institutional positions in Merck & Co., Inc. as of Dec 31, 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
2,910
+294 vs. Q3 2021
Shares held
1.85B
+9.41M (+0.5%) vs. Q3 2021
Total value
$142.2B
+$3.54B (+2.6%) vs. Q3 2021
New holders
388
1,257 more added
Sold out
94
961 more reduced

42 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 2,910 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 heldQ4 2021: $142.2B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2021.

Institutions holding MRK in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
First Quadrant L P43,935$3.37M0.36%00.0%Unchanged
Capital International Sarl43,944$3.37M0.16%+1,072+2.5%Added
Semper Augustus Investments Group LLCSuperinvestorSemper Augustus44,073$3.38M1.05%00.0%Unchanged
Wilbanks Smith & Thomas Asset Management LLC44,090$3.38M0.12%−1,965−4.3%Reduced
Conning Inc.44,109$3.38M0.09%−286−0.6%Reduced
Lehman & Derafelo Financial Resources LLC44,145$3.38M1.02%−316−0.7%Reduced
Comerica Securities,inc.43,792$3.39M0.22%−1,773−3.9%Reduced
L & S Advisors Inc44,342$3.40M0.37%−20,058−31.1%Reduced
Mogy Joel R Investment Counsel Inc44,425$3.40M0.24%00.0%Unchanged
Uniplan Investment Counsel, Inc.44,453$3.41M0.19%+44,453New
First Financial Bank - Trust Division44,630$3.42M0.35%−1,267−2.8%Reduced
Signature Wealth Management Group44,648$3.42M1.73%+172+0.4%Added
Bray Capital Advisors44,838$3.44M0.84%+837+1.9%Added
Hanson & Doremus Investment Management44,833$3.44M0.74%+2,358+5.6%Added
American National Insurance Co44,845$3.44M0.76%−157,220−77.8%Reduced
CX Institutional44,905$3.44M0.27%+13,848+44.6%Added
Pittenger & Anderson Inc45,045$3.45M0.16%+2,445+5.7%Added
Ancora Advisors, LLC45,135$3.46M0.08%+250+0.6%Added
Leavell Investment Management, Inc.44,946$3.48M0.23%+1,149+2.6%Added
Engineers Gate Manager LP45,647$3.50M0.16%+23,613+107.2%Added
Crescent Capital Consulting, LLC45,290$3.51M0.58%+3,605+8.6%Added
Abbrea Capital, LLC45,394$3.51M0.47%+273+0.6%Added
Great Valley Advisor Group, Inc.46,398$3.52M0.22%−293−0.6%Reduced
Marathon Capital Management46,089$3.53M0.83%−3,386−6.8%Reduced
WealthTrust Axiom LLC46,225$3.54M1.13%−721−1.5%Reduced
Tealwood Asset Management Inc46,269$3.55M1.42%−1,732−3.6%Reduced
Laurel Wealth Advisors, Inc.46,406$3.56M0.27%+24,273+109.7%Added
Rowland & Co Investment Counsel46,477$3.56M0.80%+30+0.1%Added
Philadelphia Trust Co46,824$3.59M0.26%−1,775−3.7%Reduced
Siena Capital LLC46,916$3.60M2.06%+46,916New
Budros, Ruhlin & Roe, Inc.47,031$3.60M0.39%+1,449+3.2%Added
Jackson Hole Capital Partners, LLC47,109$3.61M1.13%−325−0.7%Reduced
Greylin Investment Mangement Inc47,215$3.62M0.68%+325+0.7%Added
Coastline Trust Co47,260$3.62M0.41%+330+0.7%Added
Poehling Capital Management, LLC47,333$3.63M1.17%+602+1.3%Added
Cornercap Investment Counsel Inc47,534$3.64M0.53%+7,050+17.4%Added
Scott & Selber, Inc.47,581$3.65M1.29%+3,068+6.9%Added
IndexIQ Advisors LLC47,753$3.66M0.12%−607−1.3%Reduced
Sound View Wealth Advisors Group, LLC47,802$3.66M0.69%+1,739+3.8%Added
Brooks, Moore & Associates, Inc.47,837$3.67M2.15%−250−0.5%Reduced
Biltmore Family Office, LLC47,471$3.67M0.70%+4,045+9.3%Added
Sandy Spring Bank47,985$3.68M0.18%−1,804−3.6%Reduced
Boenning & Scattergood, Inc.48,009$3.68M0.59%+994+2.1%Added
Clear Street Markets LLC48,000$3.68M0.33%+10,986+29.7%Added
Benjamin F. Edwards & Company, Inc.48,021$3.68M0.16%+6,658+16.1%Added
WoodTrust Financial Corp48,026$3.68M0.76%+1,975+4.3%Added
Personal Cfo Solutions, LLC48,077$3.69M0.69%+2,822+6.2%Added
Costello Asset Management, INC48,248$3.70M2.26%+63+0.1%Added
Ramsay, Stattman, Vela & Price, Inc.48,410$3.71M0.84%+1,010+2.1%Added
Cadence Bank NA48,544$3.72M1.01%−478−1.0%Reduced
Hendley & Co Inc48,577$3.72M1.22%−1,542−3.1%Reduced
Stokes Capital Advisors, LLC48,647$3.73M1.11%−945−1.9%Reduced
AMG National Trust Bank48,983$3.75M0.11%+15,366+45.7%Added
HB Wealth Management, LLC48,991$3.75M0.08%+48,991New
Reynders McVeigh Capital Management, LLC49,144$3.77M0.21%−971−1.9%Reduced
Sumitomo Life Insurance Co49,861$3.82M0.09%−1,606−3.1%Reduced
First National Bank of Mount Dora, Trust Investment Services49,877$3.82M1.13%+1,231+2.5%Added
Gladstone Institutional Advisory LLC49,989$3.83M0.30%+10,328+26.0%Added
Assenagon Asset Management S.A.49,999$3.83M0.01%+3,741+8.1%Added
Stratos Wealth Advisors, LLC50,012$3.83M0.28%+1,609+3.3%Added
Raab & Moskowitz Asset Management LLC50,067$3.84M1.26%+288+0.6%Added
Baugh & Associates, LLC50,090$3.84M2.12%+50.0%Added
Sectoral Asset Management Inc50,250$3.85M0.58%−25,000−33.2%Reduced
Old North State Wealth Management, LLC50,385$3.87M3.90%+50,385New
Pensionfund Sabic50,500$3.87M0.73%00.0%Unchanged
DF Dent & Co Inc50,714$3.89M0.04%−90−0.2%Reduced
TNF LLC47,765$3.89M1.63%−670−1.4%Reduced
Wendell David Associates Inc50,814$3.89M0.39%−168−0.3%Reduced
Stock Yards Bank & Trust Co50,864$3.90M0.20%+5,235+11.5%Added
Old National Bancorp50,910$3.90M0.14%−5,919−10.4%Reduced
HighTower Trust Services, LTA51,085$3.92M0.38%+1,343+2.7%Added
Sompo Asset Management Co., Ltd.51,210$3.92M0.78%−7,310−12.5%Reduced
Equitable Trust Co51,256$3.93M0.24%−26,983−34.5%Reduced
North Star Investment Management Corp.51,348$3.94M0.28%+167+0.3%Added
Community Bank & Trust, Waco, Texas51,430$3.94M1.16%−638−1.2%Reduced
SevenBridge Financial Group, LLC51,429$3.94M1.19%+400+0.8%Added
Kistler-Tiffany Companies, LLC51,708$3.96M0.77%−36−0.1%Reduced
Girard Partners Ltd.51,789$3.97M0.43%−2,968−5.4%Reduced
Red Spruce Capital, LLC51,787$3.97M2.17%+2,395+4.8%Added
Teza Capital Management LLC52,044$3.99M1.07%+35,762+219.6%Added
Point72 Asset Management, L.P.52,149$4.00M0.02%−2,334,151−97.8%Reduced
Chilton Investment Co LLC52,436$4.02M0.08%+22,631+75.9%Added
Alps Advisors Inc52,570$4.03M0.05%−290,481−84.7%Reduced
Roundview Capital LLC52,601$4.03M0.40%+1,735+3.4%Added
Fort Sheridan Advisors LLC52,714$4.04M1.17%−1,076−2.0%Reduced
Nixon Peabody Trust Co52,774$4.04M1.22%+22,488+74.3%Added
Integrated Wealth Concepts LLC52,903$4.05M0.12%+2,771+5.5%Added
Cypress Asset Management Inc52,917$4.06M0.97%−1,716−3.1%Reduced
Ipswich Investment Management Co., Inc.52,927$4.06M0.95%−200−0.4%Reduced
J.W. Cole Advisors, Inc.53,004$4.06M0.26%+5,232+11.0%Added
Wealthspire Advisors, LLC53,171$4.08M0.09%+5,048+10.5%Added
Kempner Capital Management Inc.53,391$4.09M2.41%+13,478+33.8%Added
Investment Management of Virginia LLC53,515$4.10M0.66%+390+0.7%Added
Ashford Capital Management Inc53,700$4.12M0.41%+48,900+1,018.8%Added
Independent Advisor Alliance53,798$4.12M0.20%+536+1.0%Added
Arden Trust Co53,841$4.13M0.70%−9,481−15.0%Reduced
Newman Dignan & Sheerar, Inc.54,103$4.15M1.26%+1,270+2.4%Added
Fishman Jay A Ltd54,586$4.18M0.45%−2,419−4.2%Reduced
Heritage Trust Co54,592$4.18M0.54%−3,129−5.4%Reduced
Caldwell Trust Co54,604$4.18M0.48%−63−0.1%Reduced