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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, Q2 2024

Institutional positions in Merck & Co., Inc. as of Jun 30, 2024. 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
3,558
+62 vs. Q1 2024
Shares held
1.96B
+16.1M (+0.8%) vs. Q1 2024
Total value
$242.3B
−$13.4B (−5.2%) vs. Q1 2024
New holders
180
1,608 more added
Sold out
118
1,371 more reduced

51 institutions that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 holdersQ2 2024: 3,558 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: 3,619 institutionsQ1 2025: 3,460 institutionsQ2 2025: 3,338 institutionsQ3 2025: 3,320 institutionsQ4 2025: 3,675 institutionsQ1 2026: 3,813 institutionsQ2 2026: 3,855 institutions
Value heldQ2 2024: $242.3B
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 20263,813$231.9B
Q4 20253,675$206.6B
Q3 20253,320$159.8B
Q2 20253,338$155.9B
Q1 20253,460$177.7B
Q4 20243,619$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, Q2 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2024.

Institutions holding MRK in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Calamos Advisors LLC934,413$115.7M0.56%−63,036−6.3%Reduced
Quilter Plc910,643$112.7M2.53%+35,866+4.1%Added
Tredje AP-fonden908,422$112.5M1.09%+49,400+5.8%Added
Fifth Third Bancorp907,282$112.3M0.43%+25,521+2.9%Added
Zurcher Kantonalbank (Zurich Cantonalbank)900,941$111.5M0.36%−386,299−30.0%Reduced
Resona Asset Management Co.,Ltd.886,354$110.3M0.67%−55,197−5.9%Reduced
CIBC World Markets Inc.881,070$109.1M0.27%−28,864−3.2%Reduced
Squarepoint Ops LLC869,921$107.7M0.40%+430,971+98.2%Added
J. Safra Sarasin Holding AG868,930$107.5M1.96%+868,930New
Creative Planning867,203$107.4M0.11%+40,668+4.9%Added
Colony Group, LLC860,866$106.6M0.36%+66,578+8.4%Added
Advisor Group Holdings, Inc.854,987$105.9M0.25%−55,213−6.1%Reduced
Allspring Global Investments Holdings, LLC841,769$104.2M0.17%−37,317−4.2%Reduced
First Financial Bankshares Inc823,422$101.9M2.34%−19,164−2.3%Reduced
Actiam N.V.813,842$100.8M1.98%+813,842New
Haverford Trust Co809,377$100.2M1.05%−12,073−1.5%Reduced
Bank of Nova Scotia805,828$99.8M0.20%−107,440−11.8%Reduced
Crawford Investment Counsel Inc804,648$99.6M1.90%−7,081−0.9%Reduced
Public Sector Pension Investment Board798,521$98.9M0.63%+41,268+5.4%Added
MetLife Investment Management793,273$98.2M0.58%+180,477+29.5%Added
Worldquant Millennium Advisors LLC787,663$97.5M0.89%+253,751+47.5%Added
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH757,241$93.7M3.11%+15,896+2.1%Added
Credit Agricole S A752,782$93.2M0.57%+519,164+222.2%Added
Cetera Investment Advisers737,577$91.3M0.21%−28,269−3.7%Reduced
Tocqueville Asset Management L.P.737,381$91.3M1.51%−51,455−6.5%Reduced
Arizona State Retirement System734,228$90.9M0.61%+7,048+1.0%Added
Nisa Investment Advisors, LLC711,817$88.7M0.56%+3,982+0.6%Added
Woodline Partners LP711,353$88.1M0.84%−264,664−27.1%Reduced
Groupama Asset Managment1,409,536$87.6M1.81%+713,494+102.5%Added
Peapack Gladstone Financial Corp704,840$87.3M1.34%−6,507−0.9%Reduced
Artisan Partners Limited Partnership698,918$86.5M0.13%+7,979+1.2%Added
Susquehanna International Group, LLP697,604$86.4M0.15%−477,484−40.6%Reduced
LGT Group Foundation697,137$86.3M1.36%+12,758+1.9%Added
State of Michigan Retirement System693,690$85.9M0.44%−600−0.1%Reduced
Glenmede Trust Co NA682,901$84.5M0.43%−8,274−1.2%Reduced
DnB Asset Management AS681,555$84.4M0.40%+35,130+5.4%Added
Cacti Asset Management LLC645,298$83.8M6.78%00.0%Unchanged
Teacher Retirement System of Texas670,739$83.0M0.47%+30,344+4.7%Added
Mediolanum International Funds Ltd672,583$81.5M1.34%−21,542−3.1%Reduced
GWM Advisors LLC655,574$81.2M0.59%+45,591+7.5%Added
RE Advisers Corp654,504$81.0M2.00%−11,200−1.7%Reduced
J. Goldman & Co LP645,636$79.9M2.97%+309,797+92.2%Added
Boston Trust Walden Corp641,984$79.5M0.59%−39,559−5.8%Reduced
Mercer Global Advisors Inc764,343$79.1M0.22%+18,856+2.5%Added
Corebridge Financial, Inc.636,165$78.8M0.43%+636,165New
Ofi Invest Asset Management660,782$76.3M2.03%−8,377−1.3%Reduced
Old Republic International Corporation608,100$75.3M3.07%−1,750−0.3%Reduced
Employees Retirement System of Texas607,424$75.2M0.71%00.0%Unchanged
Forsta Ap-Fonden607,200$75.2M0.67%−62,700−9.4%Reduced
Factory Mutual Insurance Co598,980$74.2M0.84%−41,000−6.4%Reduced
PFM Health Sciences, LP596,261$73.8M4.02%00.0%Unchanged
Financial Counselors Inc592,483$73.3M1.18%+6,861+1.2%Added
Kahn Brothers Group Inc591,911$73.3M12.32%−21,904−3.6%Reduced
Xponance, Inc.591,394$73.2M0.75%+189,196+47.0%Added
First Trust Advisors LP589,654$73.0M0.07%+7,239+1.2%Added
Pictet & Cie (Europe) SA586,933$72.7M1.77%+87,046+17.4%Added
Atalanta Sosnoff Capital, LLC584,920$72.4M1.63%−2,266−0.4%Reduced
Gateway Investment Advisers LLC584,709$72.4M0.82%−1,490−0.3%Reduced
Prio Wealth Limited Partnership580,468$71.9M2.14%−10,692−1.8%Reduced
Fort Pitt Capital Group, LLC577,332$71.5M2.17%+5,977+1.0%Added
Sanibel Captiva Trust Company, Inc.575,346$71.2M2.44%−7,198−1.2%Reduced
Pinebridge Investments, L.P.563,993$69.9M0.57%−116,023−17.1%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd564,825$69.9M0.83%+15,650+2.8%Added
HM Payson & Co557,405$69.0M1.25%+3,056+0.6%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys556,333$68.9M0.46%+410.0%Added
Stephens Inc553,923$68.6M1.05%+7,473+1.4%Added
Acadian Asset Management LLC549,468$68.0M0.21%+384,605+233.3%Added
D.A. Davidson & Co.547,457$67.8M0.60%−3,626−0.7%Reduced
Kornitzer Capital Management Inc546,890$67.7M1.28%+1,701+0.3%Added
Amalgamated Bank544,434$67.4M0.57%+14,460+2.7%Added
MML Investors Services, LLC536,221$66.4M0.27%−61,952−10.4%Reduced
Pathstone Holdings, LLC535,384$66.3M0.30%−7,345−1.4%Reduced
Sound Shore Management Inc530,895$65.7M2.19%−162,397−23.4%Reduced
Fjarde AP-fonden (The Fourth Swedish National Pensionfund)530,729$65.7M0.74%+530,729New
IFM Investors Pty Ltd528,172$65.4M0.66%+6,379+1.2%Added
Impax Asset Management Group plc523,413$64.8M0.26%−112,033−17.6%Reduced
CWM, LLC522,489$64.7M0.31%+6,257+1.2%Added
Illinois Municipal Retirement Fund522,450$64.7M0.98%+51,675+11.0%Added
ProShare Advisors LLC521,653$64.6M0.17%+34,574+7.1%Added
Radnor Capital Management, LLC519,683$64.3M19.62%−9,918−1.9%Reduced
Cookson Peirce & Co Inc519,568$64.3M3.09%+50,595+10.8%Added
United Services Automobile Association511,448$63.3M1.60%−26,986−5.0%Reduced
Douglas Lane & Associates, LLC511,292$63.3M0.90%−15,953−3.0%Reduced
Vontobel Holding Ltd.507,519$62.8M0.20%−72,888−12.6%Reduced
Teachers Retirement System of the State of Kentucky506,144$62.7M0.56%+6,464+1.3%Added
Banco Santander, S.A.500,374$61.9M0.77%+36,176+7.8%Added
Banco Bilbao Vizcaya Argentaria, S.A.499,177$61.9M0.65%−19,993−3.9%Reduced
Whittier Trust Co497,950$61.6M0.87%+5,005+1.0%Added
Aristotle Atlantic Partners, LLC496,610$61.5M1.99%−4,000−0.8%Reduced
Sanctuary Advisors, LLC466,889$61.3M0.44%+466,889New
Steward Partners Investment Advisory, LLC490,951$60.8M0.64%+25,628+5.5%Added
Twinbeech Capital LP488,321$60.5M1.19%+488,321New
MUFG Securities EMEA plc487,599$60.4M2.69%+487,599New
Donaldson Capital Management, LLC487,390$60.3M2.53%+10,017+2.1%Added
QRG Capital Management, Inc.486,977$60.3M0.71%+17,251+3.7%Added
British Columbia Investment Management Corp485,103$60.1M0.36%+181,520+59.8%Added
Czech National Bank482,650$59.8M0.68%+36,768+8.2%Added
Heritage Wealth Advisors478,718$59.3M2.68%+12,293+2.6%Added
Varma Mutual Pension Insurance Co478,174$59.2M0.48%−6,026−1.2%Reduced
Sapient Capital LLC474,676$59.1M1.23%−1,545−0.3%Reduced