Skip to main content

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 2024

Institutional positions in Merck & Co., Inc. as of Dec 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
3,618
+183 vs. Q3 2024
Shares held
1.98B
+39.5M (+2.0%) vs. Q3 2024
Total value
$196.9B
−$22.8B (−10.4%) vs. Q3 2024
New holders
390
1,324 more added
Sold out
207
1,580 more reduced

66 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 3,618 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 2024: $196.9B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2024.

Institutions holding MRK in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Eagle Ridge Investment Management8,303$826.0K0.07%00.0%Unchanged
Port Capital LLC8,311$827.0K0.04%+35+0.4%Added
SFMG, LLC8,337$829.4K0.07%−311−3.6%Reduced
Optas, LLC8,351$830.8K0.18%−12−0.1%Reduced
WNY Asset Management, LLC8,361$831.8K0.10%−2,080−19.9%Reduced
Blackston Financial Advisory Group, LLC8,369$832.5K0.41%+560+7.2%Added
Alta Advisers Ltd8,384$834.0K0.53%+964+13.0%Added
Somerset Trust Co8,393$834.9K0.31%+595+7.6%Added
Tiemann Investment Advisors, LLC8,394$835.0K0.37%−120−1.4%Reduced
Donald L. Hagan, LLC8,396$835.2K0.43%−388−4.4%Reduced
Woodward Financial Advisors, Inc.8,398$835.4K0.41%+8,398New
Magnolia Capital Management Ltd8,400$836.0K0.66%00.0%Unchanged
Athena Investment Management8,420$837.7K0.49%00.0%Unchanged
Matrix Private Capital Group LLC8,371$839.5K0.48%00.0%Unchanged
Bank of Jackson Hole Trust8,461$841.7K0.56%+8,461New
Keynote Financial Services LLC8,466$842.2K0.65%+2,232+35.8%Added
Core Wealth Partners LLC8,468$842.4K0.48%−1,559−15.5%Reduced
Generation Capital Management LLC8,471$842.7K0.72%+8,471New
Aft, Forsyth & Company, Inc.8,472$842.8K0.41%00.0%Unchanged
Professional Advisory Services Inc8,472$843.0K0.12%00.0%Unchanged
Traphagen Investment Advisors LLC8,494$845.0K0.09%−568−6.3%Reduced
Parallax Volatility Advisers, L.P.8,517$847.3K0.02%+8,517New
Strategic Investment Advisors8,520$847.5K0.09%−1,545−15.4%Reduced
Westbourne Investment Advisors, Inc.8,521$848.0K0.29%00.0%Unchanged
Penserra Capital Management LLC8,535$848.0K0.02%+6,344+289.5%Added
Cambridge Advisors Inc.8,529$848.5K0.19%−2,990−26.0%Reduced
Analyst IMS Investment Management Services Ltd.8,550$850.0K0.03%−2,447−22.3%Reduced
KPP Advisory Services LLC8,559$851.5K0.20%+40+0.5%Added
Midland Wealth Advisors LLC8,561$851.6K0.05%−244−2.8%Reduced
Burns J W & Co Inc8,593$854.8K0.11%−100−1.2%Reduced
Principal Street Partners, LLC8,607$856.2K0.17%−3,841−30.9%Reduced
Trueblood Wealth Management, LLC8,643$859.8K0.42%−4,849−35.9%Reduced
NWF Advisory Services Inc.8,574$859.9K0.13%−5,282−38.1%Reduced
Carr Financial Group Corp8,648$860.3K0.27%+457+5.6%Added
Dale Q Rice Investment Management Ltd8,658$861.3K0.38%+8,658New
McRae Capital Management Inc8,658$861.3K0.17%−300−3.3%Reduced
Washington Trust Advisors, Inc.8,659$861.4K0.07%+6+0.1%Added
Michael B. Yongue8,669$862.4K0.68%+1,900+28.1%Added
Glen Eagle Advisors, LLC8,679$863.4K0.14%+10.0%Added
General Partner, Inc.8,686$864.1K0.52%00.0%Unchanged
Peoples Bank8,715$867.0K0.51%−2,094−19.4%Reduced
Diversified Enterprises, LLC8,724$867.9K0.08%+567+7.0%Added
Kidder Stephen W8,754$870.8K0.26%00.0%Unchanged
Atalanta Sosnoff Capital, LLC8,755$871.0K0.02%−371,761−97.7%Reduced
American Trust Investment Advisors, LLC8,783$873.7K0.36%+1,650+23.1%Added
LBMC Investment Advisors, LLC8,786$874.0K0.07%−100−1.1%Reduced
111 Capital8,788$874.2K0.18%+8,788New
Ambassador Advisors, LLC8,796$875.0K0.15%−889−9.2%Reduced
Haven Private, LLC8,797$875.1K0.49%+8,797New
Old Mission Investment Co LLC8,801$875.5K0.26%+42+0.5%Added
Vivaldi Capital Management, LLC8,941$875.7K0.13%+702+8.5%Added
Hikari Tsushin, Inc.8,812$876.6K0.06%00.0%Unchanged
Promethium Advisors,llc8,747$877.2K0.60%−141−1.6%Reduced
Severin Investments, LLC8,822$877.6K0.87%+8,822New
Retirement Income Solutions, Inc8,827$878.1K0.18%−388−4.2%Reduced
Weinberger Asset Management, Inc8,844$879.8K0.37%+129+1.5%Added
Chase Investment Counsel Corp8,851$880.0K0.28%−30−0.3%Reduced
Crescent Grove Advisors, LLC8,823$884.4K0.09%+508+6.1%Added
Cable Hill Partners, LLC8,852$888.2K0.09%−110−1.2%Reduced
Winthrop Advisory Group LLC8,932$888.6K0.11%+522+6.2%Added
Arnhold LLC8,942$889.5K0.09%00.0%Unchanged
one8zero8, LLC8,946$889.6K0.19%+8,946New
InvesTrust9,060$891.3K0.25%+9,060New
Lederer & Associates Investment Counsel8,968$892.0K0.62%+1,119+14.3%Added
Brady Family Wealth, LLC8,992$894.5K0.27%00.0%Unchanged
Generali Investments Towarzystwo Funduszy Inwestycyjnych9,000$895.3K0.52%00.0%Unchanged
Austin Private Wealth, LLC9,009$896.2K0.08%+2,193+32.2%Added
Papp L Roy & Associates9,017$897.0K0.10%+10.0%Added
Resonant Capital Advisors, LLC8,955$898.1K0.07%−397−4.2%Reduced
Frisch Financial Group, Inc.8,967$899.0K0.27%+43+0.5%Added
Peak Retirement Planning, Inc.8,564$899.1K0.61%+8,564New
Crews Bank & Trust9,051$900.4K0.15%+9,051New
Investors Research Corp9,055$900.8K0.20%−121−1.3%Reduced
TruWealth Advisors, LLC9,078$903.1K0.05%−124−1.3%Reduced
WealthPLAN Partners, LLC9,114$906.6K0.13%−167−1.8%Reduced
Alliance Wealth Management Group9,125$907.8K0.24%−36−0.4%Reduced
Quent Capital, LLC9,127$908.0K0.09%−1,688−15.6%Reduced
Towercrest Capital Management9,145$909.7K0.15%−36−0.4%Reduced
1858 Wealth Management, LLC9,169$912.1K0.72%−8,743−48.8%Reduced
Murphy & Mullick Capital Management Corp9,170$912.3K0.84%+9,170New
Winnow Wealth LLC9,392$912.3K0.91%+9,392New
Sierra Summit Advisors LLC9,171$912.3K0.18%+2,231+32.1%Added
Reliant Investment Partners, LLC9,171$912.4K0.81%+9,171New
B&D White Capital Company, LLC9,175$912.7K0.15%−115,900−92.7%Reduced
Ashburton (Jersey) Ltd9,210$916.0K0.40%−632−6.4%Reduced
BBR Partners, LLC9,219$917.1K0.06%−795−7.9%Reduced
Prentice Wealth Management LLC9,222$917.4K0.27%+362+4.1%Added
Groesbeck Investment Management Corp9,235$919.0K1.20%+1,755+23.5%Added
Quotient Wealth Partners, LLC9,246$919.7K0.03%−1,566−14.5%Reduced
ICONIQ Capital, LLC9,268$922.0K0.01%+3,416+58.4%Added
Root Financial Partners, LLC9,278$923.0K0.11%+1,215+15.1%Added
Retirement Planning Co of New England, Inc.9,278$923.0K0.45%+374+4.2%Added
Guardian Wealth Advisors, LLC9,304$925.6K0.07%+1,052+12.7%Added
Wincap Financial LLC9,344$929.5K0.95%+9,344New
Kapstone Financial Advisors LLC9,463$930.0K0.50%−433−4.4%Reduced
Seascape Capital Management9,406$936.0K0.33%−371−3.8%Reduced
Cypress Capital Advisors, LLC9,410$936.1K0.73%+9,410New
Round Rock Advisors, LLC9,410$936.1K0.19%+96+1.0%Added
Trustco Bank Corp N Y9,414$936.5K1.01%−627−6.2%Reduced
Cornell Pochily Investment Advisors, Inc.9,421$937.2K0.33%+585+6.6%Added