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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 2022

Institutional positions in Merck & Co., Inc. as of Mar 31, 2022. 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
2,961
+84 vs. Q4 2021
Shares held
1.85B
+18.6K (0.0%) vs. Q4 2021
Total value
$152.1B
+$10.0B (+7.1%) vs. Q4 2021
New holders
187
1,425 more added
Sold out
103
1,009 more reduced

33 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 2,961 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 2022: $152.1B
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 2022

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2021.

Institutions holding MRK in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Bartlett & Co. LLC175,609$14.5M0.25%−2,333−1.3%Reduced
Terril Brothers, Inc.175,985$14.4M3.40%−4,477−2.5%Reduced
Ossiam174,409$14.3M0.37%+156,134+854.4%Added
Bryn Mawr Trust Co173,890$14.3M0.56%−15,584−8.2%Reduced
O'Shares Investment Advisers, LLC173,611$14.2M1.13%+9,706+5.9%Added
Fairfax Financial Holdings LtdSuperinvestorFairfax Financial172,900$14.2M0.47%00.0%Unchanged
Blackhill Capital Inc172,450$14.2M1.35%+3,200+1.9%Added
Schechter Investment Advisors, LLC171,666$14.1M1.31%+5,338+3.2%Added
Crossmark Global Holdings, Inc.171,201$14.0M0.31%−11,587−6.3%Reduced
O'Shaughnessy Asset Management, LLC171,128$14.0M0.23%+18,299+12.0%Added
Tufton Capital Management170,666$14.0M2.26%−2,086−1.2%Reduced
Campbell Newman Asset Management Inc170,636$14.0M1.35%−642−0.4%Reduced
Bollard Group LLC169,326$13.9M0.44%+7,402+4.6%Added
Smith, Salley & Associates169,096$13.9M1.05%+4,084+2.5%Added
Matrix Asset Advisors Inc169,043$13.9M1.86%+4,419+2.7%Added
Louisiana State Employees Retirement System159,400$13.8M0.33%+1,100+0.7%Added
Northwest & Ethical Investments L.P.167,310$13.7M0.44%−41,819−20.0%Reduced
Connors Investor Services Inc167,211$13.7M1.43%+1,669+1.0%Added
Bourgeon Capital Management LLC166,704$13.7M3.09%−506−0.3%Reduced
Beck Mack & Oliver LLC166,690$13.7M0.34%−5,808−3.4%Reduced
Wealthfront Advisers LLC166,078$13.6M0.06%+32,252+24.1%Added
Veritable, L.P.165,250$13.6M0.21%+1,182+0.7%Added
Goelzer Investment Management, Inc.164,783$13.5M1.17%−1,682−1.0%Reduced
Pictet & Cie (Europe) SA162,950$13.4M0.51%−1,503−0.9%Reduced
LMCG Investments, LLC161,848$13.3M0.77%+161,848New
First National Bank of Omaha161,780$13.3M0.68%−1,796−1.1%Reduced
FineMark National Bank & Trust161,693$13.3M0.53%−2,139−1.3%Reduced
Parthenon LLC161,481$13.3M1.92%+5,088+3.3%Added
Argent Trust Co161,062$13.2M0.81%−3,035−1.8%Reduced
Kentucky Retirement Systems161,005$13.2M0.54%+10,347+6.9%Added
Van Hulzen Asset Management, LLC160,577$13.2M1.40%+5,861+3.8%Added
Woodmont Investment Counsel LLC160,089$13.1M1.52%+5,623+3.6%Added
GWM Advisors LLC159,225$13.1M0.23%+9,376+6.3%Added
LaFleur & Godfrey LLC159,113$13.1M1.75%+2,238+1.4%Added
McGowan Group Asset Management, Inc.158,694$13.0M2.00%+140,138+755.2%Added
Cornerstone Advisors, LLC158,000$13.0M0.76%00.0%Unchanged
Citizens Financial Group Inc157,491$12.9M0.45%+114,125+263.2%Added
Cohen Klingenstein LLC157,235$12.9M0.54%00.0%Unchanged
Sheaff Brock Investment Advisors, LLC156,970$12.9M1.15%+128,794+457.1%Added
Hyman Charles D156,423$12.8M0.81%−525−0.3%Reduced
Metropolitan Life Insurance Co155,878$12.8M0.46%−133,047−46.0%Reduced
Braun Stacey Associates Inc155,705$12.8M0.53%−15,430−9.0%Reduced
Tamarack Advisers, LP155,000$12.7M6.08%+85,000+121.4%Added
Polaris Wealth Advisory Group, LLC146,006$12.7M0.85%−328,635−69.2%Reduced
Mengis Capital Management, Inc.153,506$12.6M2.41%+160+0.1%Added
Exchange Traded Concepts, LLC153,222$12.6M0.25%−10,489−6.4%Reduced
Fort Pitt Capital Group, LLC153,172$12.6M0.47%+18,111+13.4%Added
Bedrijfstakpensioenfonds Voor de Media Pno170,000$12.5M1.61%−35,000−17.1%Reduced
Lido Advisors, LLC152,622$12.5M0.24%+25,857+20.4%Added
Greenwood Gearhart Inc150,874$12.4M1.70%+6,384+4.4%Added
Middleton & Co Inc150,862$12.4M1.32%−1,055−0.7%Reduced
Patten & Patten Inc150,149$12.3M0.90%+904+0.6%Added
Jennison Associates LLC150,137$12.3M0.01%+150,137New
Bragg Financial Advisors, Inc149,936$12.3M0.72%+7,249+5.1%Added
Banque Cantonale Vaudoise149,762$12.3M0.53%+8,506+6.0%Added
Freestone Capital Holdings, LLC148,849$12.2M0.49%−24,475−14.1%Reduced
Eagle Global Advisors LLC148,278$12.2M0.75%+264+0.2%Added
CCM Investment Advisers LLC147,182$12.1M1.65%−11,668−7.3%Reduced
New Mexico Educational Retirement Board146,886$12.1M0.45%−7,700−5.0%Reduced
Jefferies Group LLC146,174$12.0M0.28%+32,597+28.7%Added
Moors & Cabot, Inc.145,427$11.9M0.73%+13,544+10.3%Added
Sonora Investment Management Group, LLC144,045$11.8M1.34%+6,781+4.9%Added
Wesleyan Assurance Society143,371$11.8M1.43%+1,750+1.2%Added
Lowe Brockenbrough & Co Inc142,042$11.7M0.87%−2,590−1.8%Reduced
Stratos Wealth Partners, LTD.142,785$11.7M0.26%+2,100+1.5%Added
Edge Wealth Management LLC142,731$11.7M2.31%+2,428+1.7%Added
Industrial Alliance Investment Management Inc.141,934$11.6M0.28%−11,834−7.7%Reduced
Massmutual Trust Co FSB141,792$11.6M0.44%+14,983+11.8%Added
Primecap Management Co141,600$11.6M0.01%−102,100−41.9%Reduced
Te Ahumairangi Investment Management Ltd141,072$11.6M1.57%+7,820+5.9%Added
Jacobs & Co140,089$11.5M1.27%−1,911−1.3%Reduced
Segall Bryant & Hamill, LLC140,008$11.5M0.11%−5,427−3.7%Reduced
Monarch Capital Management Inc139,717$11.5M3.03%+886+0.6%Added
Artemis Investment Management LLP139,959$11.5M0.09%−78,059−35.8%Reduced
Brightworth138,757$11.4M1.15%+6,409+4.8%Added
Holowesko Partners Ltd.138,500$11.4M5.71%+5,000+3.7%Added
Redwood Grove Capital, LLC135,700$11.3M5.63%00.0%Unchanged
Shell Asset Management Co137,014$11.2M0.27%−4,518−3.2%Reduced
Congress Asset Management Co136,437$11.2M0.10%+9,006+7.1%Added
Brookstone Capital Management128,651$11.1M0.22%−801−0.6%Reduced
Corient Capital Partners, LLC135,691$11.1M0.74%+6,186+4.8%Added
Wescott Financial Advisory Group, LLC135,658$11.1M2.87%+110,883+447.6%Added
Jacobs Levy Equity Management, Inc135,597$11.1M0.07%+135,597New
Quadrature Capital Ltd135,256$11.1M0.45%+105,580+355.8%Added
John G Ullman & Associates Inc134,887$11.1M1.53%+104+0.1%Added
Majedie Asset Management Ltd135,087$11.1M0.91%+12,739+10.4%Added
Ar Asset Management Inc134,570$11.0M2.79%00.0%Unchanged
Karpas Strategies, LLC134,370$11.0M3.48%+92+0.1%Added
Erste Asset Management GmbH133,670$11.0M0.21%−401−0.3%Reduced
Country Club Bank132,828$10.9M0.95%+132,828New
Regentatlantic Capital LLC133,029$10.9M0.31%+708+0.5%Added
MAI Capital Management131,985$10.8M0.18%−8,102−5.8%Reduced
GFS Advisors, LLC131,780$10.8M2.28%−28,500−17.8%Reduced
Hennessy Advisors Inc130,350$10.7M0.56%−22,200−14.6%Reduced
Alley Investment Management Company, LLC128,567$10.5M1.74%+128,567New
Financial Partners Capital Management LLC128,487$10.5M1.96%+1,342+1.1%Added
W.G. Shaheen & Associates DBA Whitney & Co128,255$10.5M1.62%+352+0.3%Added
Logan Capital Management Inc128,226$10.5M0.51%+249+0.2%Added
Meeder Asset Management Inc128,099$10.5M0.51%+128,099New
Stonebridge Capital Advisors LLC127,873$10.5M1.13%+5,565+4.5%Added