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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
Resources Investment Advisors, LLC.35,473$2.76M0.11%+2,971+9.1%Added
Meridian Wealth Advisors, LLC35,211$2.74M0.78%+4,809+15.8%Added
Capital Planning Advisors, LLC35,138$2.73M0.56%−3,400−8.8%Reduced
Proequities, Inc.34,833$2.73M0.17%+451+1.3%Added
SNS Financial Group, LLC35,075$2.73M0.36%+1,645+4.9%Added
Patton Albertson Miller Group, LLC34,863$2.71M0.62%−2,457−6.6%Reduced
Holderness Investments Co34,778$2.71M0.89%+1,097+3.3%Added
BKD Wealth Advisors, LLC34,750$2.70M0.13%−855−2.4%Reduced
Silvant Capital Management LLC34,421$2.70M0.43%−907−2.6%Reduced
Sheaff Brock Investment Advisors, LLC34,621$2.69M0.26%−38,258−52.5%Reduced
Bailard, Inc.34,605$2.69M0.09%−72,097−67.6%Reduced
Chelsea Counsel Co34,597$2.69M1.24%00.0%Unchanged
EP Wealth Advisors, LLC34,395$2.67M0.07%−13,103−27.6%Reduced
Town & Country Bank & Trust CO dba First Bankers Trust CO34,250$2.66M1.30%−6,763−16.5%Reduced
Pitcairn Co34,241$2.66M0.18%+429+1.3%Added
We Are One Seven, LLC34,219$2.66M0.37%+8,169+31.4%Added
Nachman Norwood & Parrott, Inc33,912$2.66M0.27%−352−1.0%Reduced
Dean Investment Associates, LLC34,181$2.66M0.49%+986+3.0%Added
Mirova34,163$2.66M0.32%+1,514+4.6%Added
Altfest L J & Co Inc34,132$2.65M0.57%+3,924+13.0%Added
Alaska Permanent Fund Corp34,100$2.65M0.05%+34,100New
LS Investment Advisors, LLC34,015$2.65M0.33%−38,818−53.3%Reduced
Supplemental Annuity Collective Trust of NJ34,000$2.64M0.86%00.0%Unchanged
Savant Capital, LLC33,882$2.63M0.11%+191+0.6%Added
Simplex Trading, LLC33,780$2.63M0.09%+33,780New
B & T Capital Management DBA Alpha Capital Management33,747$2.63M0.62%+988+3.0%Added
Ieq Capital, LLC33,749$2.62M0.08%+8,639+34.4%Added
Legacy Private Trust Co.33,329$2.59M0.22%−3,718−10.0%Reduced
Harbour Capital Advisors, LLC33,278$2.59M0.69%+573+1.8%Added
Wafra Inc.33,264$2.59M0.10%+3,512+11.8%Added
First Midwest Bank Trust Division33,216$2.58M0.35%−1,461−4.2%Reduced
Mayflower Financial Advisors, LLC33,190$2.58M0.36%+4,987+17.7%Added
Hudock, Inc.33,076$2.57M0.76%+87+0.3%Added
EagleClaw Capital Managment, LLC33,037$2.57M0.66%+1,825+5.8%Added
AMG National Trust Bank32,989$2.57M0.08%+203+0.6%Added
Citizens Financial Group Inc32,995$2.57M0.11%+4,076+14.1%Added
Affinity Investment Advisors, LLC32,973$2.56M1.16%−11,768−26.3%Reduced
Pegasus Asset Management, Inc.32,958$2.56M1.20%+296+0.9%Added
Boothbay Fund Management, LLC32,903$2.56M0.11%−62,595−65.5%Reduced
Regent Peak Wealth Advisors LLC33,156$2.55M0.71%+3,160+10.5%Added
BigSur Wealth Management LLC32,495$2.55M1.15%−1,300−3.8%Reduced
Jaffetilchin Investment Partners, LLC32,031$2.55M0.18%+11,633+57.0%Added
Leelyn Smith, LLC32,715$2.54M0.75%+4,796+17.2%Added
Keebeck Wealth Management, LLC32,425$2.54M0.37%+21,496+196.7%Added
Truehand, Inc32,598$2.54M1.49%00.0%Unchanged
Wealth Alliance32,553$2.53M0.60%+8,004+32.6%Added
Buckingham Capital Management, Inc.32,417$2.52M0.41%−6,843−17.4%Reduced
Belpointe Asset Management LLC32,311$2.51M0.18%+2,732+9.2%Added
Fma Advisory Inc32,239$2.51M0.93%−144−0.4%Reduced
Balasa Dinverno & Foltz LLC32,146$2.50M0.18%+3,170+10.9%Added
CCLA Investment Management Ltd31,946$2.48M0.04%00.0%Unchanged
MD Financial Management Inc.31,937$2.48M0.07%−3,531−10.0%Reduced
Kentucky Farm Bureau Mutual Insurance Co31,718$2.47M0.69%00.0%Unchanged
Uncommon Cents Investing LLC31,710$2.47M0.99%+870+2.8%Added
Ogorek Anthony Joseph31,543$2.45M1.10%+911+3.0%Added
M Holdings Securities, Inc.31,465$2.45M0.24%−458−1.4%Reduced
Mechanics Bank Trust Department31,391$2.44M0.40%+45+0.1%Added
Family Legacy, Inc.31,714$2.43M1.08%+67+0.2%Added
AIMZ Investment Advisors, LLC31,208$2.43M1.09%+351+1.1%Added
Harbor Advisory Corp31,058$2.42M1.09%+20,360+190.3%Added
Wade G W & Inc30,999$2.41M0.12%−577−1.8%Reduced
Westover Capital Advisors, LLC31,002$2.41M0.77%+4,678+17.8%Added
Strategy Asset Managers LLC30,966$2.41M0.51%−82,660−72.7%Reduced
CX Institutional30,916$2.40M0.20%−19,846−39.1%Reduced
DT Investment Partners, LLC30,900$2.40M0.33%−15,970−34.1%Reduced
DAGCO, Inc.30,705$2.39M1.06%−2,428−7.3%Reduced
Watchman Group, Inc.30,679$2.39M1.39%−1,306−4.1%Reduced
Moreno Evelyn V30,626$2.38M0.56%+175+0.6%Added
Spinnaker Trust30,612$2.38M0.17%−1,169−3.7%Reduced
Ballentine Partners, LLC30,563$2.38M0.08%−1,146−3.6%Reduced
American Portfolios Advisors30,527$2.37M0.09%+2,361+8.4%Added
Advisory Resource Group30,529$2.37M0.95%+6,352+26.3%Added
Secure Asset Management, LLC30,420$2.37M1.20%+612+2.1%Added
Capital Investment Advisory Services, LLC30,353$2.36M0.30%−793−2.5%Reduced
Blue Fin Capital, Inc.30,339$2.36M0.73%+39+0.1%Added
Smithfield Trust Co30,329$2.36M0.16%00.0%Unchanged
HBK Investments L P30,313$2.36M0.02%+14,458+91.2%Added
Essex Savings Bank31,049$2.36M0.91%+84+0.3%Added
Empirical Finance, LLC30,243$2.35M0.38%+4,296+16.6%Added
Patten Group, Inc.30,221$2.35M0.69%−938−3.0%Reduced
PRW Wealth Management LLC30,221$2.35M0.69%+30,221New
Arete Wealth Advisors, LLC32,288$2.35M0.33%−256−0.8%Reduced
Prestige Wealth Management Group LLC30,126$2.34M0.62%+1,350+4.7%Added
Trustcore Financial Services, LLC30,054$2.34M0.25%−553−1.8%Reduced
Fortem Financial Group, LLC30,045$2.34M1.18%+14,017+87.5%Added
Allegheny Financial Group LTD30,026$2.33M1.06%−1,397−4.4%Reduced
Aries Wealth Management29,996$2.33M1.00%+121+0.4%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors29,949$2.33M0.78%+1,714+6.1%Added
Shepherd Financial Partners LLC29,925$2.33M0.44%+4,298+16.8%Added
Carnegie Capital Asset Management, LLC29,873$2.32M0.09%+1,931+6.9%Added
BFSG, LLC29,829$2.32M0.42%−2,997−9.1%Reduced
Cubic Asset Management, LLC29,837$2.32M0.57%+3,908+15.1%Added
Equitable Holdings, Inc.29,824$2.32M0.04%+4,782+19.1%Added
First City Capital Management, Inc.30,392$2.31M1.27%+2,856+10.4%Added
Brandywine Oak Private Wealth LLC29,581$2.30M0.27%+10,829+57.7%Added
Jupiter Wealth Management LLC30,500$2.30M1.10%+15,400+102.0%Added
Signaturefd, LLC29,536$2.30M0.09%−259−0.9%Reduced
Boyd Watterson Asset Management LLC29,537$2.30M0.93%+576+2.0%Added
Grove Bank & Trust29,495$2.29M0.50%+1,165+4.1%Added
First PREMIER Bank29,479$2.29M0.66%+1,180+4.2%Added