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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, Q1 2023

Institutional positions in Merck & Co., Inc. as of Mar 31, 2023. 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
3,187
+15 vs. Q4 2022
Shares held
1.99B
+80.9M (+4.2%) vs. Q4 2022
Total value
$205.1B
−$6.63B (−3.1%) vs. Q4 2022
New holders
162
1,209 more added
Sold out
147
1,449 more reduced

71 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2023: 3,187 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 heldQ1 2023: $205.1B
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, Q1 2023

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2022.

Institutions holding MRK in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Eagle Rock Investment Company, LLC59,351$6.31M1.45%−3,159−5.1%Reduced
Bogart Wealth, LLC59,406$6.32M0.42%+3,452+6.2%Added
J. W. Coons Advisors, LLC59,515$6.33M1.82%−1,360−2.2%Reduced
Courier Capital LLC59,653$6.35M0.70%−1,049−1.7%Reduced
Alberta Investment Management Corp59,703$6.35M0.06%−255,410−81.1%Reduced
Ashton Thomas Private Wealth, LLC59,750$6.36M0.56%−18,257−23.4%Reduced
Thematics Asset Management59,760$6.36M0.35%−1,080−1.8%Reduced
Claudia M.P. Batlle, CRP (R) LLC59,809$6.36M2.19%+9,453+18.8%Added
Sowell Financial Services LLC59,888$6.37M0.49%−20,592−25.6%Reduced
New England Asset Management Inc60,075$6.39M0.95%−16,940−22.0%Reduced
Narwhal Capital Management60,152$6.40M0.80%−74−0.1%Reduced
Azzad Asset Management Inc60,364$6.42M0.92%−4,963−7.6%Reduced
Boston Research & Management Inc60,383$6.42M1.92%−911−1.5%Reduced
Northeast Investment Management60,503$6.44M0.39%+38+0.1%Added
SeaCrest Wealth Management, LLC60,537$6.44M0.87%+1,073+1.8%Added
Commonwealth Retirement Investments LLC60,537$6.44M3.82%+878+1.5%Added
MainStreet Investment Advisors LLC60,583$6.45M0.71%+6,382+11.8%Added
Carolina Wealth Advisors, LLC60,666$6.45M3.78%+718+1.2%Added
BKD Wealth Advisors, LLC60,694$6.46M0.21%+2,237+3.8%Added
Trust Co of Toledo NA60,798$6.47M1.15%−403−0.7%Reduced
Walled Lake Planning & Wealth Management, LLC60,830$6.47M3.39%+1,741+2.9%Added
Beach Investment Counsel Inc60,883$6.48M0.86%−1,380−2.2%Reduced
Gibraltar Capital Management, Inc.60,895$6.48M3.03%−7,706−11.2%Reduced
Brick & Kyle, Associates61,106$6.50M3.72%−121−0.2%Reduced
Rodgers Brothers Inc.61,140$6.50M1.25%+2,062+3.5%Added
Two Sigma Advisers, LP61,300$6.52M0.02%−471,899−88.5%Reduced
Rothschild Capital Partners, LLC61,506$6.54M2.68%+35+0.1%Added
Avantax Planning Partners, Inc.61,636$6.56M0.27%−9,547−13.4%Reduced
Oliver Luxxe Assets LLC61,779$6.57M1.73%+302+0.5%Added
Capital Counsel LLC62,183$6.62M0.38%00.0%Unchanged
Daymark Wealth Partners, LLC62,242$6.62M0.88%+12,177+24.3%Added
Barbara Oil Co.62,295$6.63M3.18%00.0%Unchanged
Hedeker Wealth, LLC62,481$6.65M2.36%−374−0.6%Reduced
Omers Administration Corp62,549$6.65M0.10%−21,693−25.8%Reduced
Cary Street Partners Asset Management LLC62,653$6.67M1.26%−21,688−25.7%Reduced
Icon Wealth Partners, LLC62,805$6.68M0.73%+62,805New
Richard Bernstein Advisors LLC62,905$6.69M0.14%00.0%Unchanged
AMG National Trust Bank63,136$6.72M0.23%−3,965−5.9%Reduced
L & S Advisors Inc63,205$6.72M0.94%−54,358−46.2%Reduced
Covenant Asset Management, LLC63,612$6.77M2.21%+497+0.8%Added
Exchange Capital Management, Inc.64,282$6.84M1.39%+482+0.8%Added
JB Capital LLC64,285$6.84M0.62%+386+0.6%Added
Central Bank & Trust Co64,288$6.84M1.22%+42,024+188.8%Added
Appleton Partners Inc64,446$6.86M0.61%+8,790+15.8%Added
Tower Bridge Advisors64,956$6.91M0.57%+1,500+2.4%Added
Nations Financial Group Inc,65,142$6.93M0.73%+462+0.7%Added
Bank of Hawaii65,244$6.94M0.40%+642+1.0%Added
Lavaca Capital LLC64,746$6.95M1.62%+727+1.1%Added
Resources Investment Advisors, LLC.65,306$6.95M0.16%+13,342+25.7%Added
Heritage Trust Co65,559$6.97M1.10%−673−1.0%Reduced
Alpine Woods Capital Investors, LLC65,686$6.99M1.06%−14,543−18.1%Reduced
Garland Capital Management Inc65,975$7.02M4.77%−2,570−3.7%Reduced
Evergreen Capital Management LLC65,675$7.03M0.32%+1,169+1.8%Added
First American Bank66,290$7.05M0.65%+153+0.2%Added
Ameritas Advisory Services, LLC62,835$7.07M0.36%−454−0.7%Reduced
Inlet Private Wealth, LLC66,516$7.08M1.84%−1,243−1.8%Reduced
Pekin Hardy Strauss, Inc.66,537$7.08M1.10%−2,578−3.7%Reduced
Integrated Wealth Concepts LLC66,737$7.10M0.15%+6,102+10.1%Added
Zuckerman Investment Group, LLC66,741$7.10M1.08%+131+0.2%Added
Empowered Funds, LLC67,133$7.14M0.42%+21,748+47.9%Added
Mairs & Power Inc67,237$7.15M0.08%−6,229−8.5%Reduced
Northwest Bancshares, Inc.67,519$7.18M1.38%−862−1.3%Reduced
Quantinno Capital Management LP67,522$7.18M0.48%+11,931+21.5%Added
Capital Analysts, LLC67,641$7.20M0.41%+195+0.3%Added
North Star Investment Management Corp.67,793$7.21M0.60%+16,019+30.9%Added
Transform Wealth, LLC67,532$7.23M0.68%+32,543+93.0%Added
Buckley Wealth Management, LLC67,989$7.23M2.66%−8,585−11.2%Reduced
Geneos Wealth Management Inc.68,001$7.23M0.44%−11,971−15.0%Reduced
Clearstead Advisors, LLC68,024$7.24M0.53%+483+0.7%Added
Asset Advisors Investment Management, LLC68,298$7.27M0.95%−200−0.3%Reduced
WS Portfolio Advisory, LLC68,399$7.28M1.85%+33,248+94.6%Added
Freestone Capital Holdings, LLC68,452$7.28M0.32%−2,611−3.7%Reduced
Cardinal Capital Management68,146$7.30M1.51%−600−0.9%Reduced
R.H. Dinel Investment Counsel, Inc.68,677$7.31M5.50%+32,912+92.0%Added
Martin Capital Partners, LLC69,256$7.37M3.06%+736+1.1%Added
Principle Wealth Partners LLC69,382$7.38M0.79%+47+0.1%Added
Bonness Enterprises Inc69,500$7.39M3.29%00.0%Unchanged
Marietta Investment Partners LLC69,907$7.44M2.07%−11,800−14.4%Reduced
Trust Co of Virginia70,188$7.47M0.83%+786+1.1%Added
Empirical Finance, LLC70,381$7.49M0.70%+3,830+5.8%Added
Valeo Financial Advisors, LLC89,199$7.49M0.36%+4,550+5.4%Added
Eliot Finkel Investment Counsel, LLC70,520$7.50M4.78%−920−1.3%Reduced
TrinityPoint Wealth, LLC70,881$7.54M1.62%−993−1.4%Reduced
U.S. Capital Wealth Advisors, LLC71,019$7.56M0.35%−18,771−20.9%Reduced
Sonen Capital LLC70,558$7.56M12.82%+70,558New
Rossmore Private Capital71,091$7.56M1.18%−278−0.4%Reduced
BTC Capital Management, Inc.71,314$7.58M0.87%+1,421+2.0%Added
Marble Harbor Investment Counsel, LLC71,874$7.65M0.99%+538+0.8%Added
Boit C F David67,225$7.67M5.24%−2,100−3.0%Reduced
Wedbush Securities Inc72,374$7.70M0.39%−2,221−3.0%Reduced
Ironwood Investment Counsel, LLC72,586$7.72M1.84%−627−0.9%Reduced
XML Financial, LLC72,691$7.73M0.94%−694−0.9%Reduced
Quintet Private Bank (Europe) S.A.72,985$7.74M0.46%+72,985New
Freemont Management S.A.72,800$7.75M1.14%00.0%Unchanged
Alerus Financial NA72,959$7.76M0.69%+910+1.3%Added
FORA Capital, LLC73,523$7.82M0.78%+73,523New
Kelly Lawrence W & Associates Inc73,643$7.83M2.12%−1,890−2.5%Reduced
Twin Capital Management Inc73,783$7.85M1.07%−8,211−10.0%Reduced
Guyasuta Investment Advisors Inc74,065$7.88M0.61%−2,252−3.0%Reduced
Independent Advisor Alliance74,507$7.93M0.38%+856+1.2%Added