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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, Q3 2021

Institutional positions in Merck & Co., Inc. as of Sep 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
2,658
+15 vs. Q2 2021
Shares held
1.85B
−4.78M (−0.3%) vs. Q2 2021
Total value
$138.8B
−$5.04B (−3.5%) vs. Q2 2021
New holders
116
1,243 more added
Sold out
101
978 more reduced

41 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 2,658 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 heldQ3 2021: $138.8B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2021.

Institutions holding MRK in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Jackson Hole Capital Partners, LLC47,434$3.56M1.16%+1,262+2.7%Added
Keeler Thomas Management LLC47,376$3.56M1.70%+2,388+5.3%Added
Ninety One SA (PTY) Ltd47,238$3.58M1.39%−539−1.1%Reduced
Schmidt P J Investment Management Inc43,595$3.59M0.70%−2,074−4.5%Reduced
J.W. Cole Advisors, Inc.47,772$3.59M0.26%+2,092+4.6%Added
Rowland & Co Investment Counsel46,447$3.59M1.22%−670−1.4%Reduced
Tealwood Asset Management Inc48,001$3.60M1.46%+48,001New
HighPoint Advisor Group LLC48,044$3.61M0.35%−6,250−11.5%Reduced
Brooks, Moore & Associates, Inc.48,087$3.61M2.36%+75+0.2%Added
Wealthspire Advisors, LLC48,123$3.62M0.08%+25,303+110.9%Added
Costello Asset Management, INC48,185$3.62M2.31%−6,088−11.2%Reduced
IndexIQ Advisors LLC48,360$3.63M0.12%+2,618+5.7%Added
Stratos Wealth Advisors, LLC48,403$3.64M0.31%−1,554−3.1%Reduced
Philadelphia Trust Co48,599$3.65M0.27%−1,498−3.0%Reduced
First National Bank of Mount Dora, Trust Investment Services48,646$3.65M1.20%+308+0.6%Added
A. D. Beadell Investment Counsel, Inc.48,693$3.66M2.37%−63−0.1%Reduced
Cadence Bank NA49,022$3.68M1.09%−62−0.1%Reduced
Squarepoint Ops LLC49,377$3.71M0.03%+12,697+34.6%Added
Red Spruce Capital, LLC49,392$3.71M2.17%+3,671+8.0%Added
Allstate Corp49,439$3.71M0.15%−3,771−7.1%Reduced
Marathon Capital Management49,475$3.72M0.84%+2,171+4.6%Added
Alerus Financial NA49,583$3.72M0.34%+1,454+3.0%Added
Stokes Capital Advisors, LLC49,592$3.73M1.20%−779−1.5%Reduced
HighTower Trust Services, LTA49,742$3.74M0.46%−274−0.5%Reduced
Raab & Moskowitz Asset Management LLC49,779$3.74M1.35%−783−1.5%Reduced
Sandy Spring Bank49,789$3.74M0.20%+1,605+3.3%Added
Baugh & Associates, LLC50,085$3.76M2.30%−29−0.1%Reduced
Reynders McVeigh Capital Management, LLC50,115$3.76M0.23%−4,320−7.9%Reduced
Hendley & Co Inc50,119$3.76M1.31%−870−1.7%Reduced
Integrated Wealth Concepts LLC50,132$3.77M0.12%+7,666+18.1%Added
Everence Capital Management Inc50,481$3.79M0.31%−9,130−15.3%Reduced
Pensionfund Sabic50,500$3.79M0.80%00.0%Unchanged
Citizens National Bank Trust Department50,715$3.81M1.08%+1,345+2.7%Added
DF Dent & Co Inc50,804$3.82M0.04%+100.0%Added
Roundview Capital LLC50,866$3.82M0.42%−1,020−2.0%Reduced
Wendell David Associates Inc50,982$3.83M0.43%−920−1.8%Reduced
SevenBridge Financial Group, LLC51,029$3.83M1.28%−227−0.4%Reduced
North Star Investment Management Corp.51,181$3.84M0.31%−47−0.1%Reduced
Cypress Capital Group51,439$3.86M0.53%−803−1.5%Reduced
Sumitomo Life Insurance Co51,467$3.87M0.10%−3,243−5.9%Reduced
Toroso Investments, LLC51,469$3.87M0.14%+13,752+36.5%Added
Kistler-Tiffany Companies, LLC51,744$3.89M0.88%−1,384−2.6%Reduced
Community Bank & Trust, Waco, Texas52,068$3.91M1.27%−232−0.4%Reduced
Intersect Capital LLC52,629$3.95M0.68%−711−1.3%Reduced
Newman Dignan & Sheerar, Inc.52,833$3.97M1.33%−87−0.2%Reduced
Rossmore Private Capital53,091$3.99M0.68%+535+1.0%Added
Ipswich Investment Management Co., Inc.53,127$3.99M1.02%+1,227+2.4%Added
Investment Management of Virginia LLC53,125$3.99M0.77%+263+0.5%Added
Independent Advisor Alliance53,262$4.00M0.22%+4,829+10.0%Added
Jacobi Capital Management LLC53,437$4.01M0.51%+2,698+5.3%Added
Fort Sheridan Advisors LLC53,790$4.04M1.32%+1,405+2.7%Added
SeaCrest Wealth Management, LLC53,790$4.04M0.49%+1,499+2.9%Added
Cypress Asset Management Inc54,633$4.10M1.06%−879−1.6%Reduced
Caldwell Trust Co54,667$4.11M0.52%+4,184+8.3%Added
Girard Partners Ltd.54,757$4.11M0.52%−6,431−10.5%Reduced
Boston Family Office LLC54,857$4.12M0.30%−4,496−7.6%Reduced
We Are One Seven, LLC46,984$4.14M0.52%+12,765+37.3%Added
Beacon Harbor Wealth Advisors, Inc.55,908$4.20M1.49%+4,200+8.1%Added
FRG Family Wealth Advisors LLC55,963$4.20M0.83%+280+0.5%Added
Montgomery Investment Management Inc56,132$4.22M1.57%+300+0.5%Added
Shorepoint Capital Partners LLC56,125$4.22M1.89%+56,125New
Ossiam56,507$4.24M0.12%+34,503+156.8%Added
Greenleaf Trust56,670$4.26M0.05%−5,043−8.2%Reduced
Richard Bernstein Advisors LLC56,828$4.27M0.09%+4,313+8.2%Added
Old National Bancorp56,829$4.27M0.16%−1,715−2.9%Reduced
Fishman Jay A Ltd57,005$4.28M0.53%−4,675−7.6%Reduced
Flputnam Investment Management Co57,065$4.29M0.15%+3,666+6.9%Added
Cutler Group LP57,284$4.30M0.33%+57,284New
Chesley Taft & Associates LLC57,510$4.32M0.25%+250+0.4%Added
Murphy Capital Management Inc57,563$4.32M0.51%−7,102−11.0%Reduced
MainStreet Investment Advisors LLC57,731$4.34M0.42%−4,996−8.0%Reduced
Heritage Trust Co57,721$4.34M0.61%−357−0.6%Reduced
Coldstream Capital Management Inc52,301$4.34M0.21%−8,257−13.6%Reduced
Choate Investment Advisors58,025$4.36M0.28%−4,043−6.5%Reduced
Boston Financial Mangement LLC58,037$4.36M0.18%+2,240+4.0%Added
Avantax Planning Partners, Inc.58,074$4.36M0.20%−12,273−17.4%Reduced
Sepio Capital, LP58,176$4.37M0.37%+2,226+4.0%Added
Walled Lake Planning & Wealth Management, LLC58,194$4.37M2.69%+1,630+2.9%Added
Sompo Asset Management Co., Ltd.58,520$4.39M1.01%+9,710+19.9%Added
Prospera Financial Services Inc58,835$4.42M0.22%+38+0.1%Added
Moody Lynn & Lieberson, LLC58,889$4.42M0.33%−32,262−35.4%Reduced
Carolina Wealth Advisors, LLC59,122$4.44M2.94%+1,592+2.8%Added
Berger Financial Group, Inc59,362$4.46M0.80%+644+1.1%Added
Kingsview Wealth Management, LLC59,438$4.46M0.21%+60+0.1%Added
Wisconsin Capital Management LLC59,559$4.47M1.83%+54,841+1,162.4%Added
Martin Capital Partners, LLC59,932$4.50M2.27%+679+1.1%Added
Avitas Wealth Management LLC60,391$4.54M0.83%+31+0.1%Added
Summit Financial Wealth Advisors, LLC60,445$4.54M1.03%+5,160+9.3%Added
Madison Asset Management, LLC60,613$4.55M0.06%−159−0.3%Reduced
Birmingham Capital Management Co Inc60,669$4.56M1.75%−700−1.1%Reduced
Regent Investment Management LLC60,702$4.56M1.09%−185−0.3%Reduced
Deseret Mutual Benefit Administrators60,830$4.57M0.84%+44,141+264.5%Added
Berkshire Bank60,854$4.57M1.11%−954−1.5%Reduced
Institutional & Family Asset Management, LLC60,993$4.58M0.74%−85−0.1%Reduced
Capital Analysts, LLC61,293$4.60M0.30%+237+0.4%Added
Valeo Financial Advisors, LLC80,074$4.61M0.27%+10,734+15.5%Added
Hallmark Capital Management Inc61,536$4.62M0.40%−315−0.5%Reduced
Spire Wealth Management61,628$4.63M0.12%−2,435−3.8%Reduced
Old Dominion Capital Management Inc61,635$4.63M0.99%+854+1.4%Added
Rothschild Capital Partners, LLC61,759$4.64M1.48%+1,170+1.9%Added