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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
Coastal Investment Advisors, Inc.16,219$1.24M0.27%+1,360+9.2%Added
E&G Advisors, LP16,268$1.25M0.31%−91−0.6%Reduced
Smith, Moore & Co.16,308$1.25M0.17%+1,008+6.6%Added
St. Johns Investment Management Company, LLC16,331$1.25M0.64%+862+5.6%Added
Humankind Investments LLC16,330$1.25M0.50%+1,233+8.2%Added
Mitchell & Pahl Private Wealth, LLC16,350$1.25M0.80%−185−1.1%Reduced
Procyon Private Wealth Partners, LLC16,376$1.25M0.27%−1,024−5.9%Reduced
Calamos Wealth Management LLC16,403$1.26M0.09%+307+1.9%Added
Principal Street Partners, LLC16,375$1.26M0.30%+9,939+154.4%Added
Whalerock Point Partners, LLC16,448$1.26M0.43%+725+4.6%Added
Endurance Wealth Management, Inc.16,453$1.26M0.14%+525+3.3%Added
Alan B. Lancz & Associates, Inc.16,460$1.26M1.10%+16,460New
Wealth Effects LLC16,454$1.26M0.52%+16,454New
Capital Asset Advisory Services LLC16,427$1.27M0.13%+4,681+39.9%Added
Weaver C. Barksdale & Associates, Inc.16,553$1.27M1.15%+16,553New
Farmers National Bank16,595$1.27M0.42%−6,023−26.6%Reduced
Thomas White International Ltd16,609$1.27M0.20%00.0%Unchanged
C2C Wealth Management, LLC16,625$1.27M0.18%+16,625New
Cedar Wealth Management, LLC16,645$1.28M0.52%+2,685+19.2%Added
NCM Capital Management, LLC16,649$1.28M1.13%+16,649New
Wimmer Associates 1, LLC16,677$1.28M0.69%−575−3.3%Reduced
Evermay Wealth Management LLC16,689$1.28M0.23%−456−2.7%Reduced
Proficio Capital Partners LLC16,720$1.28M0.18%+82+0.5%Added
Eagle Strategies LLC16,751$1.28M0.50%+16,751New
City Holding Co16,785$1.28M0.21%−5,017−23.0%Reduced
BOK Financial Private Wealth, Inc.16,782$1.29M0.09%+713+4.4%Added
Lindenwold Advisors16,784$1.29M0.75%+16,784New
FWL Investment Management, LLC16,844$1.29M0.79%−21,159−55.7%Reduced
Change Path, LLC16,848$1.29M0.06%+2,141+14.6%Added
PBMares Wealth Management LLC16,868$1.29M0.55%+320+1.9%Added
Mystic Asset Management, Inc.16,872$1.29M0.61%+16,872New
Hendershot Investments Inc.16,884$1.29M0.20%+8,996+114.0%Added
Joel Isaacson & Co., LLC16,906$1.30M0.09%−218−1.3%Reduced
BBR Partners, LLC16,948$1.30M0.15%−1,333−7.3%Reduced
Blue Edge Capital, LLC17,034$1.31M0.25%00.0%Unchanged
Kavar Capital Partners Group, LLC17,076$1.31M0.27%−565−3.2%Reduced
Aspiriant, LLC17,074$1.31M0.07%+2,446+16.7%Added
Lake Street Advisors Group, LLC17,147$1.31M0.08%−337−1.9%Reduced
Maple Capital Management, Inc.17,181$1.32M0.14%−226−1.3%Reduced
Camarda Financial Advisors, LLC17,186$1.32M0.75%+1,065+6.6%Added
Arvest Trust Co N A17,188$1.32M0.07%+17,188New
Main Street Financial Solutions, LLC17,194$1.32M0.19%+207+1.2%Added
Brown, Lisle/Cummings, Inc.17,249$1.32M0.66%+17,249New
Davidson Capital Management Inc.17,301$1.33M0.73%+707+4.3%Added
Cribstone Capital Management, LLC17,303$1.33M0.74%+848+5.2%Added
Engine No. 1 LLC17,306$1.33M0.27%+3,661+26.8%Added
Quadrant Private Wealth Management, LLC17,315$1.33M0.49%+64+0.4%Added
Crescent Grove Advisors, LLC17,209$1.33M0.12%+442+2.6%Added
American Trust17,362$1.33M0.10%+17,362New
Cim Investment Mangement Inc17,398$1.33M0.40%−309−1.7%Reduced
Evernest Financial Advisors, LLC10,661$1.34M0.69%+10,661New
Wright Investors Service Inc17,458$1.34M0.34%+1,030+6.3%Added
Jupiter Wealth Management LLC17,500$1.34M0.70%−3,500−16.7%Reduced
Moloney Securities Asset Management, LLC17,518$1.34M0.23%−1,631−8.5%Reduced
Pacific Wealth Strategies Group, Inc.17,528$1.34M0.47%−749−4.1%Reduced
Argent Advisors, Inc.17,518$1.34M0.72%+156+0.9%Added
Avidian Wealth Solutions, LLC17,520$1.34M0.08%+3,353+23.7%Added
Columbia Trust Co 0101201617,895$1.34M0.71%00.0%Unchanged
All Season Financial Advisors, Inc.17,582$1.35M0.94%+13+0.1%Added
Fairfield, Bush & Co.17,595$1.35M0.65%−16,124−47.8%Reduced
Smallwood Wealth Investment Management, LLC17,625$1.35M1.26%+17,625New
Baxter Bros Inc17,643$1.35M0.20%−1,988−10.1%Reduced
Kendall Capital Management17,638$1.35M0.64%+1,400+8.6%Added
Financial Advocates Investment Management17,671$1.35M0.10%+311+1.8%Added
First Hawaiian Bank17,692$1.36M0.04%+714+4.2%Added
Cornerstone Wealth Management, LLC17,695$1.36M0.13%+1,556+9.6%Added
Atlas Brown,Inc.17,776$1.36M0.53%+352+2.0%Added
Thrive Wealth Management, LLC17,882$1.37M0.47%+17,882New
WSFS Capital Management, LLC17,885$1.37M0.52%−2,905−14.0%Reduced
Silicon Valley Community Foundation17,904$1.37M0.09%+17,904New
Founders Financial Alliance, LLC17,941$1.38M0.55%+331+1.9%Added
First Business Financial Services, Inc.17,949$1.38M0.15%+16+0.1%Added
Insight Wealth Strategies, LLC17,952$1.38M0.20%+3,020+20.2%Added
Resources Management Corp17,989$1.38M0.18%+975+5.7%Added
Quest Investment Management LLC18,000$1.38M0.12%00.0%Unchanged
NorthRock Partners, LLC18,020$1.38M0.10%−7,646−29.8%Reduced
Grimes & Company, Inc.18,078$1.39M0.06%−586−3.1%Reduced
Hedges Asset Management LLC18,100$1.39M1.08%+18,100New
Wintrust Investments LLC18,168$1.39M0.13%+18,168New
Strengthening Families & Communities, LLC18,179$1.39M1.06%+18,179New
Lifeworks Advisors, LLC18,184$1.39M1.11%+18,184New
Capital Planning Advisors, LLC18,258$1.40M0.27%−1,540−7.8%Reduced
Keudell/Morrison Wealth Management18,270$1.40M0.55%−62−0.3%Reduced
Centric Wealth Management18,270$1.40M0.46%+1,389+8.2%Added
Ossiam18,275$1.40M0.04%−38,232−67.7%Reduced
Harel Insurance Investments & Financial Services Ltd.18,201$1.40M0.03%−25,389−58.2%Reduced
Columbus Macro, LLC18,259$1.40M0.47%−1,041−5.4%Reduced
Roberts Wealth Advisors, LLC18,243$1.40M0.51%+2,892+18.8%Added
Martin & Co Inc18,326$1.41M0.32%−34−0.2%Reduced
StoneX Group Inc.18,171$1.41M0.16%+6,588+56.9%Added
Notis-McConarty Edward18,385$1.41M0.47%−200−1.1%Reduced
Meridian Financial Partners LLC17,330$1.41M0.95%+908+5.5%Added
Echo Street Capital Management LLC18,420$1.41M0.01%+18,420New
Cornerstone Advisory, LLC18,463$1.42M0.20%−2,080−10.1%Reduced
HNP Capital LLC18,465$1.42M0.32%+791+4.5%Added
Nwam LLC18,470$1.42M0.11%+3,328+22.0%Added
McGowan Group Asset Management, Inc.18,556$1.42M0.25%+13,927+300.9%Added
Marcum Wealth, LLC18,583$1.42M0.20%−2,077−10.1%Reduced
Generali Powszechne Towarzystwo Emerytalne18,624$1.43M1.36%+18,624New
Spears Abacus Advisors LLC18,637$1.43M0.10%+6,079+48.4%Added