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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 2022

Institutional positions in Merck & Co., Inc. as of Dec 31, 2022. 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
3,243
+304 vs. Q3 2022
Shares held
1.91B
+33.5M (+1.8%) vs. Q3 2022
Total value
$212.2B
+$50.0B (+30.9%) vs. Q3 2022
New holders
395
1,191 more added
Sold out
91
1,329 more reduced

57 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 3,243 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 2022: $212.2B
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 2022

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2022.

Institutions holding MRK in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Addenda Capital Inc.58,481$6.54M0.28%−10,825−15.6%Reduced
Cypress Capital Group58,801$6.52M0.98%−644−1.1%Reduced
Clear Street Markets LLC58,595$6.50M1.32%+48,095+458.0%Added
Equitable Trust Co58,539$6.49M0.51%−781−1.3%Reduced
BKD Wealth Advisors, LLC58,457$6.49M0.23%−1,230−2.1%Reduced
FRG Family Wealth Advisors LLC58,317$6.47M1.54%−2,565−4.2%Reduced
Hanson & Doremus Investment Management58,024$6.44M1.39%+8,260+16.6%Added
Jacobi Capital Management LLC57,916$6.43M0.80%+201+0.3%Added
BLB&B Advisors, LLC57,568$6.39M0.49%−3,965−6.4%Reduced
Caldwell Trust Co57,414$6.37M0.90%+643+1.1%Added
Fosun International Ltd57,405$6.37M0.56%00.0%Unchanged
Pinnacle Wealth Management Advisory Group, LLC57,321$6.36M0.96%−542−0.9%Reduced
Bank Ozk57,224$6.35M3.14%−2,325−3.9%Reduced
Moody National Bank Trust Division57,099$6.33M0.55%+1,135+2.0%Added
Choate Investment Advisors56,909$6.31M0.38%+617+1.1%Added
Berkshire Bank56,846$6.31M1.93%−3,154−5.3%Reduced
Cullinan Associates Inc56,742$6.30M0.35%+2,923+5.4%Added
SevenBridge Financial Group, LLC56,480$6.27M1.83%−1,226−2.1%Reduced
New Hampshire Trust56,437$6.26M1.66%+56,437New
Institutional & Family Asset Management, LLC56,340$6.25M1.05%−8,969−13.7%Reduced
Chesley Taft & Associates LLC56,300$6.25M0.43%+770+1.4%Added
Bridges Investment Management Inc56,287$6.25M0.23%+1,500+2.7%Added
Hallmark Capital Management Inc56,138$6.23M0.58%−2,386−4.1%Reduced
Bogart Wealth, LLC55,954$6.21M0.43%+4,337+8.4%Added
Advisors Capital Management, LLC55,907$6.20M0.17%+2,464+4.6%Added
MMBG Investment Advisors Co.55,718$6.18M0.82%−3,506−5.9%Reduced
Appleton Partners Inc55,656$6.17M0.58%+9,818+21.4%Added
Verdence Capital Advisors LLC55,621$6.17M0.76%−2,843−4.9%Reduced
CX Institutional55,608$6.17M0.37%+5,553+11.1%Added
Quantinno Capital Management LP55,591$6.17M0.46%+31,400+129.8%Added
Montgomery Investment Management Inc55,532$6.16M2.19%00.0%Unchanged
Marietta Wealth Management, LLC55,464$6.15M1.39%−90.0%Reduced
BancorpSouth Bank55,338$6.14M0.57%−592−1.1%Reduced
West Coast Financial LLC55,148$6.12M1.04%−49,097−47.1%Reduced
Sectoral Asset Management Inc55,000$6.10M1.18%−2,750−4.8%Reduced
Sandhill Capital Partners LLC54,857$6.09M0.65%−873−1.6%Reduced
Studio Investment Management LLC54,687$6.07M1.97%−2,178−3.8%Reduced
Red Door Wealth Management, LLC54,662$6.06M1.99%+2,790+5.4%Added
Sepio Capital, LP54,588$6.06M0.52%−3,792−6.5%Reduced
MainStreet Investment Advisors LLC54,201$6.01M0.67%+144+0.3%Added
Connectus Wealth, LLC54,123$6.01M0.16%−26,223−32.6%Reduced
NewEdge Wealth, LLC54,093$6.00M0.26%+4,551+9.2%Added
A. D. Beadell Investment Counsel, Inc.54,059$6.00M5.20%−1,849−3.3%Reduced
Roundview Capital LLC54,000$5.99M0.68%+814+1.5%Added
Howland Capital Management LLC53,386$5.96M0.37%−105−0.2%Reduced
Chicago Trust Co NA53,665$5.95M1.49%−7,840−12.7%Reduced
Newman Dignan & Sheerar, Inc.53,652$5.95M1.97%−35−0.1%Reduced
Jackson Hole Capital Partners, LLC53,544$5.94M1.77%−384−0.7%Reduced
Geneva Partners, LLC53,360$5.92M5.59%+48,259+946.1%Added
Asset Dedication, LLC53,227$5.91M0.60%+3,953+8.0%Added
Globeflex Capital L P53,115$5.89M0.75%+28,000+111.5%Added
Boston Family Office LLC53,088$5.89M0.49%−2,111−3.8%Reduced
Harrell Investment Partners, LLC52,978$5.88M2.31%+4,571+9.4%Added
Monte Financial Group, LLC52,946$5.87M3.02%−4,272−7.5%Reduced
Walleye Trading LLC52,830$5.86M0.15%−23,877−31.1%Reduced
Coastline Trust Co52,701$5.85M0.87%+9,755+22.7%Added
Winton Group Ltd52,659$5.84M0.38%+2,787+5.6%Added
Ipswich Investment Management Co., Inc.52,654$5.84M1.67%−1,120−2.1%Reduced
Parallel Advisors, LLC52,495$5.82M0.25%+3,250+6.6%Added
Meiji Yasuda Life Insurance Co52,427$5.82M0.13%+1,029+2.0%Added
Ascent Group, LLC52,125$5.78M0.68%+989+1.9%Added
Dean Investment Associates, LLC52,088$5.78M0.98%+9,969+23.7%Added
Resources Investment Advisors, LLC.51,964$5.77M0.17%+7,486+16.8%Added
First National Bank of Mount Dora, Trust Investment Services51,944$5.76M1.90%−265−0.5%Reduced
Birmingham Capital Management Co Inc51,899$5.76M2.19%−1,575−2.9%Reduced
North Star Investment Management Corp.51,774$5.74M0.51%−170−0.3%Reduced
Ritholtz Wealth Management51,713$5.74M0.32%−1,896−3.5%Reduced
Community Bank & Trust, Waco, Texas51,700$5.74M1.87%−465−0.9%Reduced
Belpointe Asset Management LLC51,578$5.72M0.35%+10,847+26.6%Added
Cornercap Investment Counsel Inc51,496$5.71M0.99%−1,773−3.3%Reduced
Red Spruce Capital, LLC51,413$5.70M3.63%+832+1.6%Added
Chemung Canal Trust Co51,325$5.70M1.30%−2,565−4.8%Reduced
Fishman Jay A Ltd51,261$5.69M0.80%−2,000−3.8%Reduced
Profund Advisors LLC51,213$5.68M0.37%−419−0.8%Reduced
Vaughan Nelson Investment Management, L.P.51,200$5.68M0.07%+1,100+2.2%Added
Keebeck Wealth Management, LLC50,794$5.67M1.00%+1,730+3.5%Added
Baker Tilly Wealth Management, LLC51,084$5.67M0.70%+4,101+8.7%Added
Kistler-Tiffany Companies, LLC51,042$5.66M1.16%+952+1.9%Added
We Are One Seven, LLC50,860$5.64M0.56%+7,983+18.6%Added
Ellsworth Advisors, LLC51,834$5.64M2.11%−4,555−8.1%Reduced
Innovis Asset Management LLC50,742$5.63M2.54%+50,742New
Demars Financial Group, LLC50,742$5.63M3.10%−7,530−12.9%Reduced
Wendell David Associates Inc50,639$5.62M0.69%−375−0.7%Reduced
Bridgecreek Investment Management, LLC50,470$5.60M1.25%−6,250−11.0%Reduced
HighTower Trust Services, LTA50,361$5.59M0.54%+173+0.3%Added
Sound View Wealth Advisors Group, LLC51,289$5.59M0.62%+5,178+11.2%Added
Citizens National Bank Trust Department50,368$5.59M1.58%−1,290−2.5%Reduced
Claudia M.P. Batlle, CRP (R) LLC50,356$5.59M2.23%+50,356New
Excalibur Management Corp50,183$5.57M2.91%−1,976−3.8%Reduced
Daymark Wealth Partners, LLC50,065$5.55M0.98%+50,065New
Sandy Spring Bank50,063$5.55M0.33%+1,990+4.1%Added
Cordatus Wealth Management LLC49,979$5.54M8.13%+49,979New
Loomis Sayles & Co L P49,843$5.53M0.01%+1,147+2.4%Added
Arabesque Asset Management Ltd49,653$5.51M1.86%+22,132+80.4%Added
Seeyond49,589$5.50M0.53%+10,156+25.8%Added
Orion Portfolio Solutions, LLC49,411$5.48M0.19%+5,398+12.3%Added
Clough Capital Partners L P49,390$5.48M0.56%+49,390New
Baugh & Associates, LLC49,255$5.46M3.54%−75−0.2%Reduced
Benjamin F. Edwards & Company, Inc.49,061$5.44M0.24%−268−0.5%Reduced
Stratos Wealth Advisors, LLC48,748$5.41M0.45%+574+1.2%Added