Skip to main content

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
Simmons Bank92,613$9.85M0.84%+2,467+2.7%Added
River Road Asset Management, LLC92,334$9.82M0.13%+3,860+4.4%Added
Kinneret Advisory, LLC91,558$9.81M1.27%−4,919−5.1%Reduced
Privium Fund Management B.V.91,828$9.77M3.28%−328−0.4%Reduced
Sicart Associates LLC89,677$9.61M3.74%−13,148−12.8%Reduced
Kentucky Retirement Systems Insurance Trust Fund90,216$9.60M0.79%−569−0.6%Reduced
Hamel Associates, Inc.90,138$9.59M3.32%−192−0.2%Reduced
Folger Nolan Fleming Douglas Capital Management, Inc90,112$9.59M1.12%−2,618−2.8%Reduced
Integral Health Asset Management, LLC90,000$9.58M1.99%−60,000−40.0%Reduced
Adalta Capital Management LLC89,044$9.54M6.67%+340.0%Added
Financial Enhancement Group LLC81,948$9.51M1.85%+4,311+5.6%Added
Meeder Asset Management Inc88,799$9.45M0.75%+1,633+1.9%Added
Trust Co of Kansas88,403$9.40M6.01%−1,046−1.2%Reduced
Greenleaf Trust88,188$9.38M0.11%+5,028+6.0%Added
Violich Capital Management, Inc.87,917$9.35M1.59%00.0%Unchanged
Integrated Advisors Network LLC87,900$9.35M0.56%−11,238−11.3%Reduced
WealthBridge Investment Counsel Inc.87,500$9.31M4.12%−1,150−1.3%Reduced
Live Oak Private Wealth LLC87,370$9.30M1.92%−5,191−5.6%Reduced
Hennion & Walsh Asset Management, Inc.87,327$9.29M0.57%+4,698+5.7%Added
Advocate Group LLC86,145$9.16M2.00%−6,621−7.1%Reduced
Miramar Capital, LLC85,904$9.14M2.35%−26,940−23.9%Reduced
United Asset Strategies, Inc.85,136$9.06M1.20%−23,869−21.9%Reduced
Davy Global Fund Management Ltd85,001$9.04M1.73%−1,841−2.1%Reduced
Exencial Wealth Advisors, LLC84,936$9.04M0.47%−918−1.1%Reduced
Tompkins Financial Corp84,899$9.03M1.47%−891−1.0%Reduced
Mutual Advisors, LLC84,781$9.02M0.37%−238−0.3%Reduced
Carret Asset Management, LLC84,755$9.02M1.25%−5,672−6.3%Reduced
Vinva Investment Management Ltd84,965$9.00M0.76%+84,965New
Clifford Swan Investment Counsel LLC84,501$8.99M0.38%−210.0%Reduced
We Are One Seven, LLC84,194$8.96M0.57%+33,334+65.5%Added
Adams Diversified Equity Fund, Inc.84,000$8.94M0.40%00.0%Unchanged
Augustine Asset Management Inc83,895$8.93M4.42%−507−0.6%Reduced
FLC Capital Advisors83,357$8.87M2.71%−200−0.2%Reduced
Prime Capital Investment Advisors, LLC83,126$8.84M0.36%−23,923−22.3%Reduced
Cadinha & Co LLC82,934$8.82M2.43%+63,250+321.3%Added
Archon Partners LLC82,500$8.78M1.46%00.0%Unchanged
Symmetry Partners, LLC82,168$8.74M0.48%+6,969+9.3%Added
SYSTM Wealth Solutions LLC81,859$8.71M1.34%−4,704−5.4%Reduced
Mill Capital Management, LLC81,756$8.70M0.88%−6,706−7.6%Reduced
Coldstream Capital Management Inc81,667$8.69M0.29%+115+0.1%Added
Great Valley Advisor Group, Inc.81,518$8.67M0.40%+5,292+6.9%Added
Chemung Canal Trust Co81,402$8.66M1.99%+30,077+58.6%Added
Allied Investment Advisors, LLC81,291$8.65M2.68%−597−0.7%Reduced
Buffington Mohr McNeal81,216$8.64M1.98%+1,089+1.4%Added
W Advisors, LLC81,205$8.64M7.13%−236−0.3%Reduced
Assetmark, Inc81,082$8.63M0.04%+4,806+6.3%Added
Sky Investment Group LLC80,895$8.61M1.97%−620−0.8%Reduced
NewSquare Capital LLC80,516$8.57M1.01%+5,877+7.9%Added
Fort Sheridan Advisors LLC80,366$8.55M2.17%+19,697+32.5%Added
NJ State Employees Deferred Compensation Plan80,252$8.54M1.32%00.0%Unchanged
Tower Research Capital LLC (TRC)79,940$8.51M0.27%+17,192+27.4%Added
Northwestern Mutual Investment Management Company, LLC79,698$8.48M0.22%+234+0.3%Added
Kingsview Wealth Management, LLC79,283$8.43M0.35%−14,090−15.1%Reduced
Talbot Financial, LLC78,832$8.39M1.56%+992+1.3%Added
Gluskin Sheff & Assoc Inc78,826$8.39M0.46%−13,480−14.6%Reduced
Northern Oak Wealth Management Inc78,410$8.34M1.00%−5,852−6.9%Reduced
Security National Bank77,970$8.30M2.21%−6,300−7.5%Reduced
Everence Capital Management Inc77,971$8.29M0.68%00.0%Unchanged
Linscomb & Williams, Inc.77,900$8.29M0.43%+1,783+2.3%Added
Contravisory Investment Management, Inc.77,558$8.25M2.33%−1,074−1.4%Reduced
Summit Financial Wealth Advisors, LLC77,120$8.20M1.95%−79−0.1%Reduced
Ameritas Investment Partners, Inc.77,115$8.20M0.32%−165−0.2%Reduced
Fulton Bank, N.A.77,059$8.20M0.43%−13,346−14.8%Reduced
Viking Fund Management LLC77,000$8.19M1.58%+5,000+6.9%Added
Cullinan Associates Inc76,846$8.18M0.48%+20,104+35.4%Added
Boston Financial Mangement LLC76,814$8.17M0.32%−3,450−4.3%Reduced
Cutler Capital Management, LLC76,670$8.16M3.64%−17,113−18.2%Reduced
Westfield Capital Management Co LP76,509$8.14M0.06%+17,296+29.2%Added
Stamos Capital Partners, L.P.76,210$8.11M2.09%+15,910+26.4%Added
Lincoln National Corp75,392$8.02M0.17%−1,066−1.4%Reduced
Bamco Inc75,300$8.01M0.02%+5,000+7.1%Added
Horizon Investments, LLC75,162$8.00M0.24%−40,495−35.0%Reduced
Aptus Capital Advisors, LLC75,024$7.99M0.23%−15,216−16.9%Reduced
FIL Ltd75,062$7.99M0.01%+75,062New
Northeast Financial Consultants Inc75,048$7.98M0.51%+83+0.1%Added
Sivik Global Healthcare LLC75,000$7.98M3.43%+75,000New
Thomasville National Bank74,868$7.97M0.82%−1,169−1.5%Reduced
Argyle Capital Management Inc.74,823$7.96M2.80%−1,501−2.0%Reduced
One Capital Management, LLC74,794$7.96M0.39%+1,158+1.6%Added
Anchor Investment Management, LLC74,772$7.95M1.08%−803−1.1%Reduced
Apollon Wealth Management, LLC74,735$7.95M0.49%+3,041+4.2%Added
Schonfeld Strategic Advisors LLC74,713$7.95M0.08%+39,614+112.9%Added
Agf Management Ltd74,608$7.94M0.05%−1,185−1.6%Reduced
Sigma Planning Corp74,591$7.94M0.26%−7,457−9.1%Reduced
KCM Investment Advisors LLC74,537$7.93M0.32%+6,152+9.0%Added
Independent Advisor Alliance74,507$7.93M0.38%+856+1.2%Added
Guyasuta Investment Advisors Inc74,065$7.88M0.61%−2,252−3.0%Reduced
Twin Capital Management Inc73,783$7.85M1.07%−8,211−10.0%Reduced
Kelly Lawrence W & Associates Inc73,643$7.83M2.12%−1,890−2.5%Reduced
FORA Capital, LLC73,523$7.82M0.78%+73,523New
Alerus Financial NA72,959$7.76M0.69%+910+1.3%Added
Freemont Management S.A.72,800$7.75M1.14%00.0%Unchanged
Quintet Private Bank (Europe) S.A.72,985$7.74M0.46%+72,985New
XML Financial, LLC72,691$7.73M0.94%−694−0.9%Reduced
Ironwood Investment Counsel, LLC72,586$7.72M1.84%−627−0.9%Reduced
Wedbush Securities Inc72,374$7.70M0.39%−2,221−3.0%Reduced
Boit C F David67,225$7.67M5.24%−2,100−3.0%Reduced
Marble Harbor Investment Counsel, LLC71,874$7.65M0.99%+538+0.8%Added
BTC Capital Management, Inc.71,314$7.58M0.87%+1,421+2.0%Added
Rossmore Private Capital71,091$7.56M1.18%−278−0.4%Reduced