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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 2022

Institutional positions in Merck & Co., Inc. as of Dec 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
3,243
+304 vs. Q3 2022
Shares held
1.91B
+33.5M (+1.8%) vs. Q3 2022
Total value
$212.2B
+$50.0B (+30.9%) vs. Q3 2022
New holders
395
1,191 more added
Sold out
91
1,329 more reduced

57 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 3,243 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 2022: $212.2B
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 2022

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2022.

Institutions holding MRK in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Washington Trust Bank125,592$13.9M1.58%+103,896+478.9%Added
Andra AP-fonden125,200$13.9M0.42%−36,100−22.4%Reduced
PGGM Investments125,022$13.9M0.24%−2,807−2.2%Reduced
HRT Financial LP125,003$13.9M0.20%+125,003New
American Assets Investment Management, LLC125,000$13.9M1.61%00.0%Unchanged
Alaska Permanent Fund Corp124,956$13.9M0.23%−8,278−6.2%Reduced
Investment House LLC124,794$13.8M1.30%+5,505+4.6%Added
M&R Capital Management Inc124,643$13.8M3.80%−366−0.3%Reduced
Parsons Capital Management Inc122,296$13.6M1.13%+6,143+5.3%Added
Te Ahumairangi Investment Management Ltd122,182$13.6M2.12%−5,055−4.0%Reduced
Meiji Yasuda Asset Management Co Ltd.121,960$13.5M0.67%−1,889−1.5%Reduced
Griffin Asset Management, Inc.121,453$13.5M2.03%−5,424−4.3%Reduced
Community Bank, N.A.121,333$13.5M1.87%−925−0.8%Reduced
Wetherby Asset Management Inc121,087$13.4M0.86%+1,924+1.6%Added
New Mexico Educational Retirement Board121,086$13.4M0.72%−8,200−6.3%Reduced
LaFleur & Godfrey LLC121,020$13.4M2.24%−20,150−14.3%Reduced
Trust Co of Vermont120,977$13.4M0.98%+292+0.2%Added
Bedrijfstakpensioenfonds Voor de Media Pno129,000$13.4M2.63%−20,000−13.4%Reduced
Sphera Funds Management Ltd.120,600$13.4M4.21%−246,400−67.1%Reduced
Cetera Advisors LLC120,106$13.3M0.24%+25,519+27.0%Added
Morgan Dempsey Capital Management LLC119,408$13.2M3.68%+3,508+3.0%Added
ARS Investment Partners, LLC119,207$13.2M1.76%−13,989−10.5%Reduced
Edge Capital Group, LLC118,971$13.2M0.92%+28,458+31.4%Added
Avantax Advisory Services, Inc.118,699$13.2M0.18%−877−0.7%Reduced
Pacer Advisors, Inc.118,607$13.2M0.07%+103,244+672.0%Added
Barometer Capital Management Inc.118,380$13.1M3.87%+118,380New
Toroso Investments, LLC117,985$13.1M0.50%−14,913−11.2%Reduced
Cheviot Value Management, LLC117,037$13.1M3.22%−2,681−2.2%Reduced
L & S Advisors Inc117,563$13.0M2.41%+52,352+80.3%Added
Wallace Advisory Group, LLC117,421$13.0M10.28%+117,421New
Curi Capital117,178$13.0M1.83%−3,033−2.5%Reduced
Formuepleje A/S116,215$12.9M1.09%+66,226+132.5%Added
Horizon Investments, LLC115,657$12.8M0.37%+5,223+4.7%Added
Hoylecohen, LLC115,339$12.8M1.27%−958−0.8%Reduced
Cary Street Partner Investment Advisory LLC115,010$12.8M0.94%−2,059−1.8%Reduced
Stockman Wealth Management, Inc.114,149$12.7M2.91%−7,288−6.0%Reduced
Jacobs & Co113,908$12.6M1.64%−14,002−10.9%Reduced
HBK Sorce Advisory LLC113,808$12.6M0.34%+60,877+115.0%Added
Easterly Investment Partners LLC113,665$12.6M1.09%−177,596−61.0%Reduced
Canandaigua National Corp113,164$12.6M2.13%+150.0%Added
Evercore Wealth Management, LLC113,069$12.5M0.26%+116+0.1%Added
Country Club Bank113,049$12.5M1.09%−2,858−2.5%Reduced
Miramar Capital, LLC112,844$12.5M3.28%+172+0.2%Added
Lido Advisors, LLC112,372$12.5M0.22%+31,607+39.1%Added
Moody Lynn & Lieberson, LLC112,130$12.4M1.14%+12,823+12.9%Added
Bright Rock Capital Management, LLC112,000$12.4M3.22%00.0%Unchanged
Bank of the West111,961$12.4M1.46%−5,578−4.7%Reduced
Perigon Wealth Management, LLC111,850$12.4M0.77%+17,555+18.6%Added
EP Wealth Advisors, LLC111,349$12.4M0.22%+4,116+3.8%Added
TD Private Client Wealth LLC110,037$12.2M0.58%−25,335−18.7%Reduced
GHP Investment Advisors, Inc.109,561$12.2M0.82%+1,929+1.8%Added
Fred Alger Management, LLC109,360$12.1M0.07%+33,682+44.5%Added
Signature Estate & Investment Advisors LLC109,311$12.1M0.44%+109,311New
Sheaff Brock Investment Advisors, LLC109,289$12.1M1.35%−3,201−2.8%Reduced
United Asset Strategies, Inc.109,005$12.1M1.69%+78,246+254.4%Added
Allstate Corp109,002$12.1M0.37%+1,160+1.1%Added
Allstate Investment Management Co109,002$12.1M0.37%+109,002New
Advisor Partners II, LLC108,843$12.1M0.75%+10,459+10.6%Added
Stock Yards Bank & Trust Co108,089$12.0M0.47%−754−0.7%Reduced
Bard Financial Services, Inc.107,848$12.0M1.02%−395−0.4%Reduced
Primecap Management Co107,400$11.9M0.01%−9,100−7.8%Reduced
Prime Capital Investment Advisors, LLC107,049$11.9M0.45%+35,741+50.1%Added
Estabrook Capital Management107,031$11.9M2.04%−2,138−2.0%Reduced
Grassi Investment Management106,656$11.8M1.60%+20.0%Added
Cutler Investment Counsel LLC105,270$11.8M1.79%−3,976−3.6%Reduced
Rothschild Investment Corp105,934$11.8M1.08%+9,479+9.8%Added
Chilton Investment Co LLC105,241$11.7M0.36%−18,235−14.8%Reduced
Camden National Bank104,780$11.6M2.43%−3,091−2.9%Reduced
1st Source Bank104,142$11.6M0.76%−2,068−1.9%Reduced
Churchill Management Corp103,791$11.5M0.28%+3,032+3.0%Added
SP Asset Management LLC103,618$11.5M1.54%+103,618New
Sicart Associates LLC102,825$11.5M4.05%−710−0.7%Reduced
Lowe Brockenbrough & Co Inc102,439$11.4M0.99%−1,966−1.9%Reduced
Lee Danner & Bass Inc102,853$11.4M1.08%−407−0.4%Reduced
ARS Wealth Advisors Group, LLC102,614$11.4M1.87%−8,804−7.9%Reduced
Weiss Multi-Strategy Advisers LLC102,362$11.4M0.33%+34,011+49.8%Added
John G Ullman & Associates Inc102,354$11.4M1.81%−31,118−23.3%Reduced
Schaper Benz & Wise Investment Counsel Inc102,155$11.3M1.20%−10,578−9.4%Reduced
Park National Corp101,633$11.3M0.50%−990−1.0%Reduced
Atlantic Union Bankshares Corp101,519$11.3M1.21%−4,077−3.9%Reduced
Balentine LLC101,435$11.3M0.39%+8,632+9.3%Added
Ieq Capital, LLC101,426$11.3M0.32%+13,722+15.6%Added
Buckingham Strategic Wealth, LLC101,421$11.3M0.20%+10,558+11.6%Added
Lynch & Associates101,336$11.2M2.94%−3,617−3.4%Reduced
Sompo Asset Management Co., Ltd.101,020$11.2M2.56%+710+0.7%Added
Siemens Fonds Invest GmbH99,664$11.1M1.11%−1,965−1.9%Reduced
Johnson Investment Counsel Inc99,498$11.0M0.15%−1,237−1.2%Reduced
Conning Inc.99,160$11.0M0.36%+57,262+136.7%Added
Integrated Advisors Network LLC99,138$11.0M0.71%+1,319+1.3%Added
Kovitz Investment Group Partners, LLC98,733$11.0M0.22%−877−0.9%Reduced
Adviser Investments LLC98,014$10.9M0.27%+3,833+4.1%Added
RMB Capital Management, LLC98,043$10.9M0.39%+20,309+26.1%Added
Hi-Line Capital Management, LLC97,269$10.9M3.35%+323+0.3%Added
Diversified Trust Co97,776$10.8M0.45%+8,585+9.6%Added
Leuthold Group, LLC97,515$10.8M1.46%−3,143−3.1%Reduced
Shell Asset Management Co97,400$10.8M0.47%−19,270−16.5%Reduced
Kinneret Advisory, LLC96,477$10.8M1.42%−11,352−10.5%Reduced
McKinley Capital Management LLC /Delaware97,110$10.8M1.44%−713−0.7%Reduced
Gladstone Institutional Advisory LLC97,077$10.8M0.76%+42,544+78.0%Added
Naples Global Advisors, LLC95,434$10.7M1.35%−730−0.8%Reduced