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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 2021

Institutional positions in Merck & Co., Inc. as of Dec 31, 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
2,910
+294 vs. Q3 2021
Shares held
1.85B
+9.41M (+0.5%) vs. Q3 2021
Total value
$142.2B
+$3.54B (+2.6%) vs. Q3 2021
New holders
388
1,257 more added
Sold out
94
961 more reduced

42 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 2,910 institutions
Q1 2021: 2,693 institutionsQ2 2021: 2,684 institutionsQ3 2021: 2,658 institutionsQ4 2021: 2,910 institutionsQ1 2022: 2,962 institutionsQ2 2022: 3,020 institutionsQ3 2022: 2,997 institutionsQ4 2022: 3,244 institutionsQ1 2023: 3,188 institutionsQ2 2023: 3,262 institutionsQ3 2023: 3,222 institutionsQ4 2023: 3,444 institutionsQ1 2024: 3,547 institutionsQ2 2024: 3,558 institutionsQ3 2024: 3,502 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 2021: $142.2B
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 20243,502$221.8B
Q2 20243,558$242.3B
Q1 20243,547$256.9B
Q4 20233,444$211.6B
Q3 20233,222$197.7B
Q2 20233,262$222.8B
Q1 20233,188$205.1B
Q4 20223,244$212.2B
Q3 20222,997$162.7B
Q2 20223,020$171.5B
Q1 20222,962$152.1B
Q4 20212,910$142.2B
Q3 20212,658$138.8B
Q2 20212,684$144.3B
Q1 20212,693$143.2B

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2021.

Institutions holding MRK in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
First Command Advisory Services, Inc.8$1.00K0.00%−19−70.4%Reduced
Bradley & Co. Private Wealth Management, LLC13$1.00K0.00%00.0%Unchanged
Aquire Wealth Advisors, LLC15$1.00K0.00%+15New
WestEnd Advisors, LLC19$1.46K0.00%––
ClariVest Asset Management LLC23$2.00K0.00%00.0%Unchanged
FAI Wealth Management28$2.00K0.00%00.0%Unchanged
Eukles Asset Management45$3.00K0.00%00.0%Unchanged
IAG Wealth Partners, LLC50$4.00K0.00%−2,290−97.9%Reduced
Navigation Wealth Management, Inc.63$4.00K0.00%00.0%Unchanged
Foresight Capital Management Advisors, Inc.50$4.00K0.00%+50New
SJS Investment Consulting Inc.66$5.00K0.00%+66New
McDonald Partners LLC68$5.26K0.00%−26,100−99.7%Reduced
Absolute Capital Management, LLC68$5.26K0.00%+68New
BCR Wealth Strategies, LLC75$6.00K0.01%+75New
Wealthstreet Investment Advisors, LLC91$7.00K0.17%00.0%Unchanged
China Universal Asset Management Co., Ltd.94$7.00K0.00%+94New
Iron Horse Wealth Management, LLC106$8.00K0.00%−32−23.2%Reduced
Globeflex Capital L P99$8.00K0.00%+23+30.3%Added
Standard Family Office LLC110$8.00K0.07%+110New
Cedar Mountain Advisors, LLC133$10.0K0.00%+1+0.8%Added
Operose Advisors LLC126$10.0K0.01%+126New
PrairieView Partners, LLC138$11.0K0.00%00.0%Unchanged
Rather & Kittrell, Inc.147$11.0K0.01%+147New
RGT Wealth Advisors, LLC150$11.0K0.00%+150New
FSC Wealth Advisors, LLC150$11.0K0.01%+150New
Halpern Financial, Inc.150$11.5K0.00%+50+50.0%Added
Castle Financial & Retirement Planning Associates, Inc.174$13.0K0.04%+174New
PYA Waltman Capital, LLC171$13.0K0.01%+171New
Dark Forest Capital Management LP164$13.0K0.00%+164New
IronBridge Private Wealth, LLC202$15.0K0.01%+1+0.5%Added
Laurel Wealth Planning LLC207$16.0K0.01%00.0%Unchanged
Tucker Asset Management LLC211$16.3K0.01%00.0%Unchanged
Advocacy Wealth Management Services, LLC221$17.0K0.00%−63−22.2%Reduced
Level Financial Advisors, Inc.220$17.0K0.01%+220New
Life Planning Partners, Inc240$18.0K0.02%+240New
Proffitt & Goodson Inc250$19.0K0.00%00.0%Unchanged
O'Dell Group, LLC253$19.0K0.01%+134+112.6%Added
Cornerstone Management, Inc.260$19.9K0.01%+260New
Strategic Asset Management, LLC260$20.0K0.03%−280−51.9%Reduced
Sageworth Trust Co276$21.0K0.00%00.0%Unchanged
Ahl Investment Management, Inc.272$21.0K0.02%+272New
AlphaMark Advisors, LLC300$23.0K0.01%−100−25.0%Reduced
GW&K Investment Management, LLC302$23.0K0.00%00.0%Unchanged
Shore Point Advisors, LLC300$23.0K0.02%+300New
Outfitter Financial LLC307$24.0K0.02%+307New
Henrickson Nauta Wealth Advisors, Inc.300$24.0K0.02%+300New
Professional Financial Advisors, LLC325$25.0K0.01%00.0%Unchanged
Financial Avengers, Inc.328$25.0K0.02%+176+115.8%Added
Mach-1 Financial Group, Inc.336$25.0K0.02%+336New
Front Row Advisors LLC339$26.0K0.01%+160+89.4%Added
Miller Wealth Advisors, LLC339$26.0K0.02%+339New
Moisand Fitzgerald Tamayo, LLC356$27.0K0.01%+156+78.0%Added
Okabena Investment Services Inc354$27.0K0.01%+354New
Winch Advisory Services, LLC368$28.0K0.01%+1+0.3%Added
McCarthy Asset Management, Inc.360$28.0K0.02%00.0%Unchanged
Western Pacific Wealth Management, LP391$29.0K0.02%+391New
Morton Brown Family Wealth, LLC375$29.0K0.02%+375New
Park Circle Co400$31.0K0.03%00.0%Unchanged
Tower View Investment Management & Research LLC400$31.0K0.02%00.0%Unchanged
Cowen Prime Advisors LLC400$31.0K0.01%00.0%Unchanged
Pacifica Partners Inc.380$31.0K0.02%00.0%Unchanged
Toth Financial Advisory Corp422$32.0K0.00%+2+0.5%Added
Bellwether Advisors, LLC420$32.0K0.01%00.0%Unchanged
Retirement Group, LLC610$32.0K0.01%+2+0.3%Added
Investmark Advisory Group LLC422$32.0K0.03%+422New
Tfo-TDC, LLC456$33.0K0.01%−1−0.2%Reduced
Holloway Wealth Management, LLC–$34.0K0.01%––
Disciplined Investments, LLC486$37.0K0.02%00.0%Unchanged
Financial Enhancement Group LLC478$37.0K0.01%00.0%Unchanged
Macroview Investment Management LLC488$37.0K0.05%+62+14.6%Added
Dougherty Wealth Advisers LLC500$38.0K0.05%00.0%Unchanged
Cypress Capital Management LLC (WY)485$38.0K0.03%00.0%Unchanged
Lake Point Wealth Management518$40.0K0.02%00.0%Unchanged
Klaas Financial Asset Advisors, LLC517$40.0K0.01%+5+1.0%Added
Ritter Daniher Financial Advisory, LLC517$40.0K0.03%+131+33.9%Added
Steward Financial Group LLC530$40.0K0.04%+530New
American State Bank (Iowa)530$40.6K0.03%00.0%Unchanged
Estate Counselors, LLC584$44.0K0.01%00.0%Unchanged
Insight Financial Services597$45.0K0.03%+597New
Copeland Capital Management, LLC600$46.0K0.00%00.0%Unchanged
Delos Wealth Advisors, LLC606$46.0K0.04%+606New
Bivin & Associates, Inc.625$48.0K0.04%+625New
Carroll Investors, Inc652$48.0K0.03%+652New
Capstone Investment Advisors, LLC639$49.0K0.00%−145,777−99.6%Reduced
Mizuho Securities Co. Ltd.639$49.0K0.02%−9,861−93.9%Reduced
Stuart Chaussee & Associates, Inc.633$49.0K0.02%00.0%Unchanged
Syverson Strege & Co668$51.0K0.04%+3+0.5%Added
Altshuler Shaham Ltd661$52.0K0.00%−1,870−73.9%Reduced
Mascoma Wealth Management LLC679$52.0K0.02%+85+14.3%Added
GeoWealth Management, LLC700$52.0K0.00%+700New
Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.690$53.0K0.03%+690New
Solstein Capital, LLC700$54.0K0.03%00.0%Unchanged
Atwood & Palmer Inc703$54.0K0.00%+71+11.2%Added
Harding Loevner LP734$56.0K0.00%00.0%Unchanged
Raffa Wealth Management, LLC755$57.9K0.02%+62+8.9%Added
NVWM, LLC776$59.0K0.02%00.0%Unchanged
Surevest, LLC778$60.0K0.01%+778New
Stonebridge Financial Planning Group, LLC750$61.0K0.03%00.0%Unchanged
Clear Perspectives Financial Planning, LLC810$62.0K0.03%00.0%Unchanged
Masso Torrence Wealth Management Inc.816$63.0K0.04%+816New