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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: 2,962 institutionsQ2 2022: 3,020 institutionsQ3 2022: 2,997 institutionsQ4 2022: 3,244 institutionsQ1 2023: 3,188 institutionsQ2 2023: 3,262 institutionsQ3 2023: 3,222 institutionsQ4 2023: 3,444 institutionsQ1 2024: 3,547 institutionsQ2 2024: 3,558 institutionsQ3 2024: 3,502 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 20243,502$221.8B
Q2 20243,558$242.3B
Q1 20243,547$256.9B
Q4 20233,444$211.6B
Q3 20233,222$197.7B
Q2 20233,262$222.8B
Q1 20233,188$205.1B
Q4 20223,244$212.2B
Q3 20222,997$162.7B
Q2 20223,020$171.5B
Q1 20222,962$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
Paulson Wealth Management Inc.6,029$462.0K0.21%−312−4.9%Reduced
Cortland Associates Inc6,029$462.0K0.05%+75+1.3%Added
Monticello Wealth Management, LLC6,031$462.0K0.04%+2,074+52.4%Added
Sustainable Insight Capital Management, LLC6,047$463.0K0.25%+1,352+28.8%Added
MSH Capital Advisors LLC6,053$463.9K0.21%+6,053New
Rice Hall James & Associates, LLC6,084$466.0K0.02%00.0%Unchanged
CenterStar Asset Management, LLC–$466.0K0.36%––
Bangor Savings Bank6,085$467.0K0.04%−101−1.6%Reduced
Gratus Capital LLC6,098$467.0K0.04%+213+3.6%Added
O'Rourke & Company, Inc6,096$467.0K0.31%+6,096New
Coerente Capital Management6,135$470.0K0.09%−100−1.6%Reduced
JT Stratford LLC6,130$470.0K0.13%+243+4.1%Added
Moseley Investment Management Inc6,169$473.0K0.22%+315+5.4%Added
Summit Financial Strategies, Inc.6,174$473.0K0.09%00.0%Unchanged
Fragasso Group Inc.6,189$474.0K0.06%−96−1.5%Reduced
Freedom Day Solutions, LLC6,201$475.0K0.19%−384−5.8%Reduced
New World Advisors LLC6,200$476.0K0.22%+1,100+21.6%Added
McDaniel Terry & Co6,216$476.0K0.05%+1,383+28.6%Added
Galvin, Gaustad & Stein, LLC6,222$477.0K0.04%−619−9.0%Reduced
Retirement Guys Formula LLC6,234$478.0K0.38%+6,234New
Chesapeake Wealth Management6,255$479.0K0.16%+19+0.3%Added
Baldwin Investment Management, LLC6,262$480.0K0.13%−300−4.6%Reduced
Evanson Asset Management, LLC6,259$480.0K0.04%+163+2.7%Added
Princeton Capital Management LLC6,264$480.0K0.14%00.0%Unchanged
Holistic Financial Partners6,266$480.0K0.28%+107+1.7%Added
RSM US Wealth Management LLC6,259$480.0K0.02%+1,278+25.7%Added
MKT Advisors LLC6,068$480.0K0.38%+6,068New
Atlas Capital Advisors LLC6,270$480.5K0.07%+2,213+54.5%Added
Strong Tower Advisory Services6,275$481.0K0.26%+1,308+26.3%Added
Delta Financial Advisors LLC6,272$481.0K0.20%+2,768+79.0%Added
Sweet Financial Partners, LLC6,270$481.0K0.20%+6,270New
Gyroscope Capital Management Group, LLC6,294$482.0K0.17%−2,019−24.3%Reduced
Wells Trecaso Financial Group, LLC6,293$482.0K0.21%−50−0.8%Reduced
Sugarloaf Wealth Management, LLC6,295$482.0K0.11%+11+0.2%Added
Bender Robert & Associates6,442$484.0K0.14%00.0%Unchanged
Canton Hathaway, LLC6,320$484.0K0.13%+500+8.6%Added
Boltwood Capital Management6,333$485.0K0.18%−1,706−21.2%Reduced
Stone Point Wealth LLC6,310$485.0K0.39%+6,310New
CoreCap Advisors, LLC6,358$487.0K0.03%+6,358New
Livingston Group Asset Management CO (operating as Southport Capital Management)6,367$488.0K0.09%+2,924+84.9%Added
Greenwich Wealth Management LLC6,384$489.0K0.04%−248−3.7%Reduced
Ssi Investment Management LLC6,387$491.0K0.03%−15−0.2%Reduced
MONECO Advisors, LLC6,213$491.0K0.18%+187+3.1%Added
Wedmont Private Capital6,054$492.0K0.15%+6,054New
RB Capital Management, LLC6,436$493.0K0.15%+274+4.4%Added
Carlson Capital Management6,432$493.0K0.04%+1,720+36.5%Added
Winthrop Advisory Group LLC6,385$494.0K0.10%+333+5.5%Added
Gibson Wealth Advisors LLC6,450$494.0K0.51%+6,450New
Missouri Trust & Investment Co6,465$495.0K0.29%+6,465New
Collective Family Office LLC6,477$496.0K0.20%−52−0.8%Reduced
SignalPoint Asset Management, LLC6,475$496.0K0.15%−26−0.4%Reduced
Knights of Columbus Asset Advisors LLC6,468$496.0K0.04%+2,001+44.8%Added
Levin Capital Strategies, L.P.6,485$497.0K0.05%+2,060+46.6%Added
Lawson Kroeker Investment Management Inc6,500$498.0K0.15%00.0%Unchanged
Vivaldi Capital Management, LLC6,499$498.0K0.12%+24+0.4%Added
LifePro Asset Management6,539$501.0K0.15%+1,600+32.4%Added
Periscope Capital Inc.6,565$502.0K0.01%+6,565New
Copperwynd Financial, LLC6,567$503.0K0.19%+314+5.0%Added
West Bancorporation Inc6,568$503.0K0.40%+6,568New
Barr E S & Co6,575$504.0K0.03%00.0%Unchanged
Nadler Financial Group, Inc.6,605$506.0K0.07%−551−7.7%Reduced
Concentric Wealth Management, LLC6,615$507.0K0.14%+15+0.2%Added
Barnes Pettey Financial Advisors, LLC6,640$509.0K0.59%+6,640New
Camden Capital, LLC6,660$510.0K0.11%−4,182−38.6%Reduced
Investment Advisory Services Inc6,670$511.0K0.28%+3,000+81.7%Added
Gryphon Financial Partners LLC6,671$512.0K0.10%+53+0.8%Added
Intercontinental Wealth Advisors, LLC6,675$512.0K0.11%+524+8.5%Added
Krane Funds Advisors LLC6,685$512.0K0.01%+6,685New
Traphagen Investment Advisors LLC6,685$512.3K0.09%+132+2.0%Added
Zevin Asset Management LLC6,706$514.0K0.09%−56−0.8%Reduced
Pointe Capital Management LLC6,703$514.0K0.33%−62−0.9%Reduced
Optimum Investment Advisors6,720$515.0K0.20%−550−7.6%Reduced
Bessemer Securities LLC6,763$518.0K0.14%−687−9.2%Reduced
DCM Advisors, LLC6,751$518.0K0.15%+6,751New
Waddell & Associates, LLC6,776$519.0K0.08%+478+7.6%Added
Lumbard & Kellner, LLC6,426$520.0K0.20%00.0%Unchanged
Plante Moran Financial Advisors, LLC6,810$522.0K0.09%−1,546−18.5%Reduced
Guardian Wealth Advisors, LLC6,813$522.0K0.22%+6,813New
Analyst IMS Investment Management Services Ltd.6,810$526.0K0.05%00.0%Unchanged
Focused Wealth Management, Inc6,877$527.0K0.08%−1,661−19.5%Reduced
Private Portfolio Partners LLC6,882$527.5K0.14%−2,044−22.9%Reduced
Pzena Investment Management LLC6,885$528.0K0.00%−734−9.6%Reduced
NorthCrest Asset Manangement, LLC6,907$529.0K0.03%+6,907New
Trail Ridge Investment Advisors, LLC6,906$529.0K0.32%+6,906New
Monterey Private Wealth, Inc.6,935$532.0K0.26%+24+0.3%Added
Buckingham Strategic Partners6,935$532.0K0.11%+6,935New
Ami Asset Management Corp6,953$533.0K0.03%+731+11.7%Added
Hall Capital Management Co Inc6,968$534.0K0.30%−3,055−30.5%Reduced
Connecticut Wealth Management, LLC6,985$535.0K0.04%−864−11.0%Reduced
CSS LLC7,000$536.0K0.02%+7,000New
Cornerstone Capital, Inc.7,004$537.0K0.06%−899−11.4%Reduced
Carl P. Sherr & Co., LLC7,010$537.0K0.32%+1,341+23.7%Added
Farmers & Merchants Trust Co of Long Beach7,014$538.0K0.13%−2,006−22.2%Reduced
IFG Advisors, LLC7,045$540.0K0.23%+130+1.9%Added
MBA Advisors LLC7,049$540.0K0.33%+1,855+35.7%Added
Cross Staff Investments Inc7,085$543.0K0.49%+7,085New
Trust Co of Oklahoma7,090$543.4K0.18%−200−2.7%Reduced
First National Bank Sioux Falls7,093$544.0K0.58%+744+11.7%Added
Unio Capital LLC7,111$545.0K1.94%−14−0.2%Reduced
Successful Portfolios LLC7,105$545.0K0.30%+100+1.4%Added