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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 2024

Institutional positions in Merck & Co., Inc. as of Mar 31, 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
3,546
+150 vs. Q4 2023
Shares held
1.95B
+20.1M (+1.0%) vs. Q4 2023
Total value
$256.9B
+$46.5B (+22.1%) vs. Q4 2023
New holders
261
1,416 more added
Sold out
111
1,490 more reduced

47 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 3,546 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 2024: $256.9B
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 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2023.

Institutions holding MRK in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Highland Capital Management, LLC287,950$38.0M2.19%−2,086−0.7%Reduced
Adviser Investments LLC284,219$37.5M0.50%−9,463−3.2%Reduced
Meitav Dash Investments Ltd283,882$37.5M0.73%−14,849−5.0%Reduced
Davenport & Co LLC283,171$37.4M0.23%−5,546−1.9%Reduced
Umb Bank N A280,266$37.0M0.59%+24,287+9.5%Added
O'Shaughnessy Asset Management, LLC279,312$36.9M0.41%+28,374+11.3%Added
Beacon Pointe Advisors, LLC278,042$36.7M0.41%−11,687−4.0%Reduced
Northwest & Ethical Investments L.P.277,728$36.6M1.06%+12,270+4.6%Added
Intech Investment Management LLC276,766$36.5M0.51%−148,133−34.9%Reduced
Kestra Advisory Services, LLC276,102$36.4M0.24%+14,205+5.4%Added
Todd Asset Management LLC275,550$36.4M0.74%−17,882−6.1%Reduced
Heritage Investors Management Corp274,950$36.3M1.28%−3,915−1.4%Reduced
Campbell Newman Asset Management Inc273,096$36.0M2.92%−3,510−1.3%Reduced
Pinnacle Financial Partners Inc271,864$35.9M0.78%+4,902+1.8%Added
Atria Investments LLC271,853$35.9M0.49%+17,281+6.8%Added
Kingsview Wealth Management, LLC266,543$35.2M0.88%+26,020+10.8%Added
Rafferty Asset Management, LLC265,618$35.0M0.13%+3,715+1.4%Added
Ethic Inc.261,741$34.5M0.87%+22,504+9.4%Added
Letko, Brosseau & Associates Inc259,419$34.2M0.60%−2,030−0.8%Reduced
RWC Asset Management LLP257,996$34.0M2.13%−15,973−5.8%Reduced
Chartwell Investment Partners, LLC257,908$34.0M1.18%−24,389−8.6%Reduced
Scotia Capital Inc.256,956$33.9M0.20%+1,254+0.5%Added
Chilton Capital Management LLC251,814$33.2M1.57%+8,801+3.6%Added
Unigestion Holding SA251,576$33.2M1.62%−138,091−35.4%Reduced
Salem Investment Counselors Inc249,892$33.1M1.09%+5,302+2.2%Added
Thompson Siegel & Walmsley LLC250,565$33.1M0.51%−3,888−1.5%Reduced
Roffman Miller Associates Inc249,937$33.0M2.21%−1,412−0.6%Reduced
Ingalls & Snyder LLC248,605$32.8M1.46%−10,973−4.2%Reduced
St. James Investment Company, LLC248,461$32.8M5.35%−28,765−10.4%Reduced
Oversea-Chinese Banking CORP Ltd248,110$32.7M1.05%−98,748−28.5%Reduced
Whittier Trust Co of Nevada Inc247,338$32.6M0.94%+22,578+10.0%Added
WSFS Capital Management, LLC246,812$32.6M1.85%+6,109+2.5%Added
Walleye Capital LLC246,737$32.6M0.35%+85,787+53.3%Added
Wilkins Investment Counsel Inc245,581$32.4M4.73%+75,349+44.3%Added
Annex Advisory Services, LLC243,786$32.2M1.14%+25,430+11.6%Added
Abn Amro Investment Solutions243,644$32.1M0.56%−62,699−20.5%Reduced
Wealthfront Advisers LLC241,870$31.9M0.11%+4,112+1.7%Added
Boston Common Asset Management, LLC241,868$31.9M0.76%−84,680−25.9%Reduced
Andra AP-fonden236,500$31.2M0.55%+65,600+38.4%Added
JustInvest LLC235,344$31.1M0.67%+19,246+8.9%Added
Integral Health Asset Management, LLC235,000$31.0M3.04%+235,000New
South Dakota Investment Council233,232$30.8M0.64%−18,800−7.5%Reduced
Alpha Cubed Investments, LLC231,615$30.6M1.60%−1,530−0.7%Reduced
Elo Mutual Pension Insurance Co231,538$30.6M0.72%+9,996+4.5%Added
Willis Investment Counsel231,045$30.5M2.10%00.0%Unchanged
Brown Brothers Harriman & Co230,907$30.5M0.23%−286−0.1%Reduced
Poplar Forest Capital LLC228,347$30.1M4.05%−6,507−2.8%Reduced
RMB Capital Management, LLC228,159$30.1M0.69%+82,643+56.8%Added
TD Waterhouse Canada Inc.192,014$30.0M0.22%−10,215−5.1%Reduced
Jefferies Financial Group Inc.227,399$30.0M0.61%+54,501+31.5%Added
TCW Group Inc223,130$29.4M0.30%+172,890+344.1%Added
La Banque Postale Asset Management SA222,206$29.3M1.17%−288,867−56.5%Reduced
Credit Agricole S A233,618$29.3M0.50%+82,222+54.3%Added
Braun Stacey Associates Inc221,524$29.2M1.16%+6,402+3.0%Added
CapWealth Advisors, LLC220,933$29.2M3.27%−5,561−2.5%Reduced
Bruce & Co., Inc.220,700$29.1M9.66%00.0%Unchanged
Stack Financial Management, Inc220,617$29.1M2.67%−2,979−1.3%Reduced
Quintet Private Bank (Europe) S.A.192,468$29.1M1.30%−29,189−13.2%Reduced
Cardinal Capital Management, Inc.220,413$29.1M1.29%−71,993−24.6%Reduced
Rhenman & Partners Asset Management AB218,500$28.8M2.73%+71,000+48.1%Added
Oregon Public Employees Retirement Fund216,792$28.6M0.57%+18,982+9.6%Added
Bartlett & Co. Wealth Management LLC214,339$28.4M0.44%−662−0.3%Reduced
Kestra Private Wealth Services, LLC214,981$28.4M0.64%−540−0.3%Reduced
Gulf International Bank (UK) Ltd213,831$28.2M0.71%+825+0.4%Added
Erste Asset Management GmbH212,557$28.0M0.38%+10,162+5.0%Added
Destination Wealth Management210,989$27.8M0.93%−3,233−1.5%Reduced
Dai-Ichi Life Insurance Company, Ltd209,479$27.6M0.63%−77,903−27.1%Reduced
Van Hulzen Asset Management, LLC208,697$27.5M1.83%−765−0.4%Reduced
Blackhill Capital Inc208,500$27.5M1.58%00.0%Unchanged
Tobam208,346$27.5M2.46%−99,582−32.3%Reduced
First Manhattan Co208,081$27.5M0.09%−2,425−1.2%Reduced
Quadrature Capital Ltd207,618$27.4M0.47%+103,944+100.3%Added
JPB Foundation207,317$27.4M2.99%00.0%Unchanged
United Capital Financial Advisers, LLC206,680$27.3M0.22%−33,939−14.1%Reduced
Envestnet Portfolio Solutions, Inc.206,321$27.2M0.10%+42,178+25.7%Added
Federation des caisses Desjardins du Quebec211,155$27.2M0.20%+15,319+7.8%Added
Randolph Co Inc205,106$27.1M3.32%+202,278+7,152.7%Added
First National Trust Co204,479$27.0M1.10%−2,777−1.3%Reduced
General American Investors Co Inc204,326$27.0M2.00%00.0%Unchanged
Citizens Financial Group Inc204,219$26.9M0.90%−6,525−3.1%Reduced
Norris Perne & French LLP203,716$26.9M1.93%+548+0.3%Added
Magnetar Financial LLC203,172$26.8M0.60%−1,193,315−85.5%Reduced
Jones Financial Companies LLLP200,869$26.5M0.04%+23,485+13.2%Added
Renaissance Technologies LLC200,202$26.4M0.04%+80,378+67.1%Added
Central Securities Corp200,000$26.4M2.66%00.0%Unchanged
Svenska Handelsbanken AB (publ)200,000$26.4M8.32%+200,000New
Prime Capital Investment Advisors, LLC199,557$26.3M0.37%−10,802−5.1%Reduced
Atria Wealth Solutions, Inc.198,202$26.3M0.30%+925+0.5%Added
Eastern Bank198,885$26.2M1.09%−11,765−5.6%Reduced
TCTC Holdings, LLC198,552$26.2M0.87%+1,079+0.5%Added
Oppenheimer & Co Inc198,137$26.1M0.43%−138−0.1%Reduced
Richard C. Young & CO., LTD.193,750$25.6M3.21%−2,179−1.1%Reduced
Kentucky Retirement Systems192,441$25.4M0.76%−10,308−5.1%Reduced
Godsey & Gibb Associates192,379$25.4M2.67%−1,003−0.5%Reduced
Pacer Advisors, Inc.192,188$25.4M0.06%−49,593−20.5%Reduced
Dana Investment Advisors, Inc.190,763$25.2M0.84%+6,474+3.5%Added
Baldwin Brothers Inc190,650$25.2M1.89%−1,921−1.0%Reduced
Circle Wealth Management, LLC190,395$25.1M0.62%−3,274−1.7%Reduced
Avalon Trust Co190,341$25.1M2.06%+467+0.2%Added
Lombard Odier Asset Management (Switzerland) SA188,488$24.9M1.75%+44,164+30.6%Added