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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: 2,961 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 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 20243,501$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 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
Aveo Capital Partners, LLC36,548$2.80M0.51%+31,849+677.8%Added
Leelyn Smith, LLC36,530$2.80M0.75%+638+1.8%Added
Hudson Valley Investment Advisors Inc36,457$2.79M0.44%−961−2.6%Reduced
Brewin Dolphin Ltd36,391$2.79M0.12%−62,599−63.2%Reduced
Princeton Global Asset Management LLC36,397$2.79M0.78%−176−0.5%Reduced
Huber Capital Management LLC36,393$2.79M0.73%+100+0.3%Added
Creegan & Nassoura Financial Group, LLC36,325$2.78M2.11%+36,325New
Pettee Investors, Inc.36,151$2.77M1.16%00.0%Unchanged
TSP Capital Management Group, LLC–$2.77M0.92%––
Strategic Wealth Advisors Group, LLC35,943$2.76M0.13%−2,720−7.0%Reduced
Duncker Streett & Co Inc36,013$2.76M0.48%−2,032−5.3%Reduced
Pensionfund DSM Netherlands36,000$2.76M0.32%00.0%Unchanged
R.H. Dinel Investment Counsel, Inc.35,765$2.74M1.89%00.0%Unchanged
Enterprise Trust & Investment Co35,725$2.74M0.96%00.0%Unchanged
Modera Wealth Management, LLC35,687$2.73M0.10%+6,877+23.9%Added
Walter & Keenan Financial Consulting Co35,596$2.73M0.89%+500+1.4%Added
Holderness Investments Co35,565$2.73M0.80%+772+2.2%Added
Bennicas & Associates, Inc.35,500$2.72M1.42%−300−0.8%Reduced
Thompson Investment Management, Inc.35,463$2.72M0.39%00.0%Unchanged
Horizon Kinetics Asset Management LLC35,397$2.71M0.06%+20.0%Added
Dean Investment Associates, LLC35,403$2.71M0.48%+326+0.9%Added
NEXT Financial Group, Inc35,344$2.71M0.18%−1,938−5.2%Reduced
Foster & Motley Inc35,255$2.70M0.21%+371+1.1%Added
Glassy Mountain Advisors, Inc.35,153$2.69M1.39%+35,153New
DT Investment Partners, LLC35,008$2.68M0.35%−1,973−5.3%Reduced
Family Legacy, Inc.32,829$2.68M1.10%+1,068+3.4%Added
Abbot Financial Management, Inc.34,973$2.68M1.20%−1,376−3.8%Reduced
Dorsey & Whitney Trust CO LLC34,919$2.68M0.22%+2,025+6.2%Added
Pegasus Asset Management, Inc.34,868$2.67M1.10%+564+1.6%Added
Moreno Evelyn V34,776$2.67M0.53%+4,450+14.7%Added
Westover Capital Advisors, LLC34,698$2.66M0.77%+1,256+3.8%Added
Belpointe Asset Management LLC34,656$2.66M0.17%+121+0.4%Added
Strategic Financial Services, Inc,34,598$2.65M0.20%−590−1.7%Reduced
Searle & Co.34,606$2.65M0.96%00.0%Unchanged
IMA Wealth, Inc.34,581$2.65M0.59%−2,327−6.3%Reduced
Murphy Pohlad Asset Management LLC34,543$2.65M1.04%−430−1.2%Reduced
Graypoint LLC34,418$2.64M0.28%+4,055+13.4%Added
Chelsea Counsel Co34,357$2.63M1.14%00.0%Unchanged
Keebeck Wealth Management, LLC34,035$2.63M0.47%+907+2.7%Added
Harbour Capital Advisors, LLC34,259$2.63M0.65%+231+0.7%Added
Arete Wealth Advisors, LLC34,004$2.61M0.22%+1,274+3.9%Added
Supplemental Annuity Collective Trust of NJ34,000$2.61M0.80%00.0%Unchanged
Means Investment Co., Inc.33,917$2.60M0.46%−1,760−4.9%Reduced
Clear Harbor Asset Management, LLC33,877$2.60M0.28%+402+1.2%Added
Stonegate Investment Group, LLC33,838$2.59M0.11%+33,838New
Washington Trust Co33,447$2.56M0.10%−9,878−22.8%Reduced
Synergy Financial Management, LLC33,367$2.56M0.61%−9,568−22.3%Reduced
Carnegie Capital Asset Management, LLC33,367$2.56M0.08%+3,840+13.0%Added
Waldron Private Wealth LLC33,052$2.56M0.13%+1,971+6.3%Added
Uncommon Cents Investing LLC33,313$2.55M0.96%+179+0.5%Added
Spinnaker Trust33,216$2.55M0.16%−166−0.5%Reduced
Legacy Private Trust Co.33,192$2.54M0.19%−890−2.6%Reduced
Ameritas Advisory Services, LLC33,162$2.54M0.09%+33,162New
Prestige Wealth Management Group LLC33,100$2.54M0.61%+2,285+7.4%Added
Intersect Capital LLC33,088$2.54M0.47%−19,541−37.1%Reduced
Wealth Alliance32,960$2.53M0.51%−984−2.9%Reduced
Sawtooth Solutions, LLC32,968$2.53M0.28%+9,592+41.0%Added
BigSur Wealth Management LLC32,495$2.51M0.98%00.0%Unchanged
Advisory Resource Group30,746$2.50M0.84%−55−0.2%Reduced
WC Walker & Associates, Inc.30,753$2.50M1.24%+1,220+4.1%Added
Signaturefd, LLC32,593$2.50M0.08%−110.0%Reduced
Hudock, Inc.32,582$2.50M0.70%−345−1.0%Reduced
Savant Capital, LLC32,498$2.49M0.08%+760+2.4%Added
Inscription Capital, LLC32,182$2.49M0.68%+2,601+8.8%Added
Schmidt P J Investment Management Inc30,347$2.47M0.49%−13,248−30.4%Reduced
Andesa Financial Management Inc.32,027$2.46M1.21%+1,392+4.5%Added
Bailard, Inc.32,024$2.45M0.08%−564−1.7%Reduced
Equitable Holdings, Inc.31,993$2.45M0.04%+1,576+5.2%Added
Silvant Capital Management LLC31,545$2.44M0.42%00.0%Unchanged
EagleClaw Capital Managment, LLC31,782$2.44M0.53%−1,275−3.9%Reduced
Grove Bank & Trust31,756$2.43M0.46%+996+3.2%Added
Kentucky Farm Bureau Mutual Insurance Co31,718$2.43M0.62%00.0%Unchanged
Patton Albertson Miller Group, LLC31,713$2.43M0.39%−4,423−12.2%Reduced
First City Capital Management, Inc.30,917$2.43M1.37%−680−2.2%Reduced
Harbor Advisory Corp31,558$2.42M0.98%00.0%Unchanged
Mechanics Bank Trust Department31,383$2.41M0.36%+90+0.3%Added
Ballentine Partners, LLC31,353$2.40M0.07%+739+2.4%Added
Abeille Asset Management SA31,313$2.40M0.56%+31,313New
Essex Savings Bank31,204$2.39M0.81%−310−1.0%Reduced
AdvisorNet Financial, Inc31,134$2.39M0.15%+1,617+5.5%Added
Wealthcare Advisory Partners LLC31,128$2.39M0.14%+10,340+49.7%Added
Loudon Investment Management, LLC31,016$2.38M1.52%−69−0.2%Reduced
Hudson Value Partners, LLC30,903$2.37M1.15%+3,163+11.4%Added
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors30,893$2.37M0.68%+525+1.7%Added
Cubic Asset Management, LLC30,854$2.37M0.54%+242+0.8%Added
Schnieders Capital Management LLC30,810$2.36M0.55%−437−1.4%Reduced
Capital Investment Advisory Services, LLC30,768$2.36M0.28%+2,586+9.2%Added
AIMZ Investment Advisors, LLC30,719$2.35M0.92%−16−0.1%Reduced
Shepherd Financial Partners LLC30,717$2.35M0.41%+1,056+3.6%Added
Credit Agricole S A30,654$2.35M0.08%−2,874−8.6%Reduced
Town & Country Bank & Trust CO dba First Bankers Trust CO30,537$2.34M1.03%+450+1.5%Added
Wahed Invest LLC30,517$2.34M1.30%+30,517New
Johnson Financial Group, Inc.30,379$2.33M0.15%−420−1.4%Reduced
Soltis Investment Advisors LLC30,336$2.33M0.33%+27,066+827.7%Added
Asset Dedication, LLC30,214$2.32M0.28%+2,815+10.3%Added
Scissortail Wealth Management, LLC30,156$2.31M0.89%+30,156New
SWS Partners30,044$2.30M1.31%+121+0.4%Added
Truehand, Inc29,998$2.30M1.35%−2,600−8.0%Reduced
Aries Wealth Management29,996$2.30M0.88%00.0%Unchanged
Donoghue Forlines LLC29,970$2.30M0.39%+29,970New