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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, Q2 2021

Institutional positions in Merck & Co., Inc. as of Jun 30, 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
2,684
+22 vs. Q1 2021
Shares held
1.86B
+10.7M (+0.6%) vs. Q1 2021
Total value
$144.3B
+$2.07B (+1.5%) vs. Q1 2021
New holders
136
1,285 more added
Sold out
114
961 more reduced

31 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 2,684 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 heldQ2 2021: $144.3B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2021.

Institutions holding MRK in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Kore Private Wealth LLC14,995$1.17M0.13%+3,778+33.7%Added
Am Investment Strategies LLC15,005$1.17M0.30%+1,208+8.8%Added
SG3 Management, LLC15,000$1.17M0.50%+15,000New
Acorn Financial Advisory Services Inc14,977$1.17M0.34%+1,201+8.7%Added
ExodusPoint Capital Management, LP15,038$1.17M0.02%−32,923−68.6%Reduced
Hikari Power Ltd15,060$1.17M0.12%+7,280+93.6%Added
Old Point Trust & Financial Services N A15,099$1.18M0.52%−663−4.2%Reduced
Portland Global Advisors LLC15,103$1.18M0.23%+201+1.3%Added
Kendall Capital Management15,138$1.18M0.66%+3,195+26.8%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA15,152$1.18M1.39%00.0%Unchanged
TCW Group Inc15,197$1.18M0.01%−23,942−61.2%Reduced
McKinley Capital Management LLC /Delaware15,200$1.18M0.08%+60.0%Added
Home Federal Bank of Tennessee15,210$1.18M0.43%+758+5.2%Added
Main Street Financial Solutions, LLC15,260$1.19M0.19%+56+0.4%Added
First Heartland Consultants, Inc.15,272$1.19M0.18%−49−0.3%Reduced
Argent Advisors, Inc.15,289$1.19M0.72%+1,040+7.3%Added
Meridian Financial Partners LLC15,664$1.19M0.81%+593+3.9%Added
Lake Street Advisors Group, LLC15,755$1.20M0.09%−408−2.5%Reduced
Xcel Wealth Management, LLC15,426$1.20M0.36%−1,516−8.9%Reduced
Mountain Capital Investment Advisors, Inc15,421$1.21M0.56%−2,680−14.8%Reduced
Tudor Investment Corp Et Al15,544$1.21M0.02%+15,544New
Total Clarity Wealth Management, Inc.15,570$1.21M0.68%−350−2.2%Reduced
Graves-Light Private Wealth Management, Inc.15,599$1.21M0.19%−295−1.9%Reduced
International Assets Investment Management, LLC15,616$1.21M0.23%−16,984−52.1%Reduced
Humankind Investments LLC15,636$1.22M0.57%+5,926+61.0%Added
Connolly Sarah T.15,665$1.22M0.99%−20−0.1%Reduced
Wrapmanager Inc15,774$1.23M0.32%+4,703+42.5%Added
Zeke Capital Advisors, LLC15,864$1.23M0.08%−80−0.5%Reduced
Taylor Hoffman Wealth Management15,871$1.23M0.53%+636+4.2%Added
Meridian Wealth Management, LLC15,911$1.24M0.16%−2,472−13.4%Reduced
Endurance Wealth Management, Inc.15,928$1.24M0.14%−200−1.2%Reduced
Townsend & Associates, Inc15,975$1.24M0.72%+562+3.6%Added
Nicholas Hoffman & Company, LLC.15,937$1.24M0.22%+940+6.3%Added
Mattern Wealth Management LLC15,893$1.24M0.40%−214−1.3%Reduced
Little House Capital LLC15,972$1.24M0.67%−25,871−61.8%Reduced
Delta Asset Management LLC15,964$1.24M0.12%00.0%Unchanged
Gables Capital Management Inc.15,985$1.24M0.85%−10,856−40.4%Reduced
Bigelow Investment Advisors, LLC15,978$1.24M0.60%−36−0.2%Reduced
Davidson Capital Management Inc.15,982$1.24M0.60%+1,956+13.9%Added
St. Louis Trust Co16,074$1.25M0.31%00.0%Unchanged
Range Financial Group LLC16,105$1.25M0.92%+1,241+8.3%Added
DeDora Capital, Inc.16,108$1.25M0.55%+101+0.6%Added
First Hawaiian Bank16,175$1.26M0.05%−4,240−20.8%Reduced
Magnolia Capital Advisors LLC16,251$1.26M0.56%+16,251New
Cornerstone Wealth Management, LLC16,267$1.26M0.13%+1,795+12.4%Added
Great Diamond Partners, LLC16,314$1.27M0.36%−116−0.7%Reduced
West Branch Capital LLC16,323$1.27M0.62%+687+4.4%Added
E&G Advisors, LP0$1.27M0.35%−16,359−100.0%Reduced
Arthur M. Cohen & Associates, LLC16,403$1.28M0.26%−12,220−42.7%Reduced
Barings LLC16,497$1.28M0.03%−1,484−8.3%Reduced
Proficio Capital Partners LLC16,492$1.28M0.16%+1,068+6.9%Added
Corsicana & Co.16,511$1.28M0.81%+16,511New
Calamos Wealth Management LLC16,535$1.29M0.10%+51+0.3%Added
Formidable Asset Management, LLC16,495$1.29M0.28%−695−4.0%Reduced
PBMares Wealth Management LLC16,548$1.29M0.70%+163+1.0%Added
Centric Wealth Management16,567$1.29M0.45%−11,578−41.1%Reduced
Thomas White International Ltd16,609$1.29M0.18%+6,896+71.0%Added
TrinityPoint Wealth, LLC16,623$1.29M0.26%−701−4.0%Reduced
Mitchell & Pahl Private Wealth, LLC16,643$1.29M0.92%−692−4.0%Reduced
West Family Investments, Inc.16,637$1.29M0.36%+16,637New
BBR Partners, LLC16,656$1.29M0.10%−1,131−6.4%Reduced
Nwam LLC16,665$1.30M0.12%−557−3.2%Reduced
Deseret Mutual Benefit Administrators16,689$1.30M0.31%+16,689New
Bel Air Investment Advisors LLC16,710$1.30M0.04%−8,419−33.5%Reduced
Change Path, LLC16,783$1.30M0.08%+2,144+14.6%Added
Renaissance Investment Group LLC16,799$1.31M0.33%−1,953−10.4%Reduced
Platform Technology Partners16,812$1.31M0.54%+16,812New
Capital Wealth Planning, LLC16,832$1.31M0.04%+257+1.6%Added
Crescent Grove Advisors, LLC16,718$1.31M0.14%+1,490+9.8%Added
Wealthsource Partners, LLC16,893$1.31M0.12%−429−2.5%Reduced
Martin & Co Inc16,915$1.31M0.33%−841−4.7%Reduced
Washington Trust Bank16,912$1.32M0.16%−138−0.8%Reduced
Vectors Research Management, LLC16,956$1.32M0.34%+426+2.6%Added
HNP Capital LLC16,956$1.32M0.35%+514+3.1%Added
Mather Group, LLC.17,008$1.32M0.03%−183−1.1%Reduced
Blue Edge Capital, LLC17,034$1.32M0.27%00.0%Unchanged
Resources Management Corp17,044$1.33M0.19%−731−4.1%Reduced
Prudent Man Advisors, LLC17,064$1.33M0.51%+2,339+15.9%Added
Founders Financial Alliance, LLC17,062$1.33M0.60%+318+1.9%Added
Telemus Capital, LLC17,090$1.33M0.10%−23,812−58.2%Reduced
Pallas Capital Advisors LLC17,654$1.33M0.19%+2,604+17.3%Added
Joel Isaacson & Co., LLC17,172$1.33M0.10%−952−5.3%Reduced
Community Capital Management, Inc.17,200$1.34M1.35%+5,200+43.3%Added
Foresight Wealth Management, LLC17,245$1.34M0.57%+1,591+10.2%Added
Chase Investment Counsel Corp17,304$1.34M0.56%+158+0.9%Added
Arkadios Wealth Advisors17,335$1.35M0.16%+5,021+40.8%Added
Atlas Brown,Inc.17,364$1.35M0.58%+12+0.1%Added
Kavar Capital Partners Group, LLC17,366$1.35M0.33%−450−2.5%Reduced
First Dallas Securities Inc.17,397$1.35M0.89%−3,096−15.1%Reduced
Sculati Wealth Management, LLC17,412$1.35M0.72%+378+2.2%Added
Quadrant Private Wealth Management, LLC17,420$1.35M0.55%−924−5.0%Reduced
Redwood Investment Management, LLC17,437$1.36M0.22%+3,726+27.2%Added
Wintrust Investments LLC17,454$1.36M0.14%−655−3.6%Reduced
Columbia Trust Co 0101201617,470$1.36M0.77%+414+2.4%Added
Pacific Wealth Strategies Group, Inc.17,725$1.38M0.53%+27+0.2%Added
SRN Advisors, LLC17,748$1.38M0.47%−1,801−9.2%Reduced
Cavalier Investments, LLC17,790$1.38M0.50%00.0%Unchanged
Focus Financial Network, Inc.17,651$1.38M0.18%−85−0.5%Reduced
Cim Investment Mangement Inc17,804$1.39M0.43%−402−2.2%Reduced
Keudell/Morrison Wealth Management17,879$1.39M0.76%+2,492+16.2%Added