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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 2024

Institutional positions in Merck & Co., Inc. as of Mar 31, 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
3,546
+150 vs. Q4 2023
Shares held
1.95B
+20.1M (+1.0%) vs. Q4 2023
Total value
$256.9B
+$46.5B (+22.1%) vs. Q4 2023
New holders
261
1,416 more added
Sold out
111
1,490 more reduced

47 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2023: 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 2024: 3,546 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 2024: $256.9B
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 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2023.

Institutions holding MRK in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
IMA Wealth, Inc.21,137$2.79M1.32%−5,227−19.8%Reduced
Americana Partners, LLC21,185$2.80M0.23%+5,239+32.9%Added
First County Bank21,205$2.80M1.37%−999−4.5%Reduced
Van Cleef Asset Management,Inc21,206$2.80M0.35%−199−0.9%Reduced
Stableford Capital II LLC21,217$2.80M1.12%−588−2.7%Reduced
Steward Partners Investment Solutions, LLC21,231$2.80M0.47%+802+3.9%Added
Great Diamond Partners, LLC21,278$2.81M0.64%+387+1.9%Added
Davidson Capital Management Inc.21,300$2.81M0.90%+224+1.1%Added
Puzo Michael J21,310$2.81M0.78%−940−4.2%Reduced
Northern Financial Advisors Inc21,440$2.83M2.21%+334+1.6%Added
Caxton Associates LP21,440$2.83M0.19%+21,440New
McKinley Carter Wealth Services, Inc.21,442$2.83M0.19%+625+3.0%Added
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management21,450$2.83M0.09%−570−2.6%Reduced
AlTi Global, Inc.21,406$2.84M0.08%+3,149+17.2%Added
Grimes & Company, Inc.21,551$2.84M0.09%−281−1.3%Reduced
Broderick Brian C21,569$2.85M0.61%+13,944+182.9%Added
Regents of the University of California21,600$2.85M0.83%00.0%Unchanged
Pflug Koory, LLC21,694$2.86M1.41%−68−0.3%Reduced
Baker Chad R21,700$2.86M0.61%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.21,675$2.87M0.06%−140−0.6%Reduced
Diamant Asset Management, Inc.21,745$2.87M1.99%−320−1.5%Reduced
Ascension Asset Management LLC21,749$2.87M1.55%+21,749New
IVC Wealth Advisors LLC21,760$2.87M1.66%+592+2.8%Added
Massachusetts Wealth Management21,799$2.88M2.03%+225+1.0%Added
CNB Bank21,821$2.88M1.40%−1,058−4.6%Reduced
Paloma Partners Management Co21,830$2.88M0.42%+21,830New
Jamison Private Wealth Management, Inc.21,931$2.89M0.49%+624+2.9%Added
Pathway Financial Advisers, LLC21,935$2.89M1.04%+2,249+11.4%Added
Legacy Capital Group California, Inc.21,947$2.90M1.07%−5,236−19.3%Reduced
Allen Wealth Management, LLC22,028$2.91M2.56%+246+1.1%Added
Conscious Wealth Investments, LLC23,243$2.91M2.21%+648+2.9%Added
Centric Wealth Management22,555$2.91M0.93%+1,246+5.8%Added
Spirepoint Private Client, LLC22,146$2.92M0.45%+22,146New
Advisors Management Group Inc22,184$2.93M0.73%−265−1.2%Reduced
Chicago Capital, LLC22,187$2.93M0.09%+665+3.1%Added
Webster Bank, N. A.22,194$2.93M0.33%−46−0.2%Reduced
apricus wealth, LLC22,203$2.93M2.06%−430−1.9%Reduced
Altfest L J & Co Inc22,292$2.94M0.43%+4,133+22.8%Added
Sheets Smith Wealth Management22,325$2.95M0.33%+95+0.4%Added
Pullen Investment Management, LLC22,345$2.95M2.49%+22,345New
Hall Capital Management Co Inc22,368$2.95M1.46%−265−1.2%Reduced
Brasada Capital Management, LP22,376$2.95M0.53%+4,646+26.2%Added
Northcape Wealth Management, LLC22,416$2.96M1.08%−274−1.2%Reduced
MMBG Investment Advisors Co.22,563$2.98M0.31%00.0%Unchanged
Malaga Cove Capital, LLC22,568$2.98M1.21%−78−0.3%Reduced
Allen Mooney & Barnes Investment Advisors LLC23,618$2.98M0.57%−70−0.3%Reduced
Bank Hapoalim BM22,594$2.98M0.39%+370+1.7%Added
Allred Capital Management, LLC22,594$2.98M1.16%−184−0.8%Reduced
Stratos Wealth Advisors, LLC22,611$2.98M0.18%−39,143−63.4%Reduced
Mitchell McLeod Pugh & Williams Inc22,705$3.00M0.72%−209−0.9%Reduced
Marion Wealth Management22,707$3.00M0.89%−115−0.5%Reduced
Hikari Power Ltd22,710$3.00M0.26%00.0%Unchanged
Valley National Advisers Inc22,767$3.00M0.45%−80−0.4%Reduced
DAGCO, Inc.22,807$3.01M1.37%+22,743+35,535.9%Added
Legacy Financial Advisors, Inc.22,831$3.01M0.54%+1,293+6.0%Added
CFS Investment Advisory Services, LLC22,876$3.02M0.51%+1,634+7.7%Added
Roberts Wealth Advisors, LLC23,928$3.02M1.13%+831+3.6%Added
Formidable Asset Management, LLC22,886$3.02M0.49%+7,733+51.0%Added
Gifford Fong Associates22,900$3.02M0.83%00.0%Unchanged
Western Wealth Management, LLC22,935$3.03M0.24%−6,359−21.7%Reduced
Chelsea Counsel Co22,821$3.03M1.72%−2,400−9.5%Reduced
First Hawaiian Bank22,956$3.03M0.09%−17,841−43.7%Reduced
Convergence Investment Partners, LLC22,977$3.03M1.16%+3,415+17.5%Added
Shufro Rose & Co LLC22,999$3.03M0.25%+1,700+8.0%Added
Glynn Capital Management LLC23,068$3.04M0.57%00.0%Unchanged
Headinvest, LLC23,077$3.05M0.59%−2,430−9.5%Reduced
Lynx Capital Group Ltd23,090$3.05M2.06%−272−1.2%Reduced
Bank of New Hampshire23,091$3.05M0.80%+694+3.1%Added
Strategic Financial Services, Inc,23,112$3.05M0.20%−640−2.7%Reduced
Nilsine Partners, LLC23,123$3.05M0.42%+2,595+12.6%Added
Peoples Financial Services Corp.23,128$3.05M1.32%−60−0.3%Reduced
Lindbrook Capital, LLC23,178$3.06M0.29%+111+0.5%Added
Alliance Wealth Advisors, LLC23,253$3.07M0.92%+1,068+4.8%Added
Imprint Wealth LLC23,428$3.07M0.74%+11,674+99.3%Added
Compass Ion Advisors, LLC23,336$3.08M0.44%−152−0.6%Reduced
Cito Capital Group, LLC23,256$3.08M1.26%+3,000+14.8%Added
9258 Wealth Management, LLC23,424$3.09M0.48%+143+0.6%Added
Pensionfund Sabic23,500$3.10M0.92%−4,600−16.4%Reduced
Northstar Group, Inc.23,522$3.10M0.61%−460−1.9%Reduced
Mount Yale Investment Advisors, LLC23,536$3.11M0.24%+485+2.1%Added
Pitcairn Co23,585$3.11M0.20%+779+3.4%Added
Alpha DNA Investment Management LLC23,600$3.11M1.71%+5,450+30.0%Added
Dominguez Wealth Management Solutions, Inc.23,609$3.12M2.45%−37−0.2%Reduced
PFG Advisors23,627$3.12M0.23%+384+1.7%Added
Valmark Advisers, Inc.23,628$3.12M0.05%+986+4.4%Added
Sage Mountain Advisors LLC23,677$3.12M0.32%+2,432+11.4%Added
WealthShield Partners, LLC23,594$3.13M0.51%+681+3.0%Added
New Potomac Partners, LLC23,758$3.13M1.74%−550−2.3%Reduced
Jeppson Wealth Management, LLC23,855$3.15M1.22%−177−0.7%Reduced
Green Square Capital Advisors LLC23,916$3.16M0.42%+790+3.4%Added
Orca Investment Management, LLC23,994$3.17M2.96%−240−1.0%Reduced
International Assets Investment Management, LLC24,229$3.17M0.33%+2,442+11.2%Added
Ellis Investment Partners, LLC24,063$3.18M0.69%+46+0.2%Added
Diversify Advisory Services, LLC24,265$3.18M0.19%+24,265New
Hamilton Wealth, LLC24,124$3.18M0.99%+1,034+4.5%Added
Beaumont Financial Advisors, LLC24,146$3.19M0.26%+1,506+6.7%Added
Trust Co of the South24,163$3.19M0.74%−2,340−8.8%Reduced
Fiduciary Group LLC24,232$3.20M0.35%+2,101+9.5%Added
SeaBridge Investment Advisors LLC24,268$3.20M0.84%+766+3.3%Added
Princeton Capital Management LLC24,438$3.22M1.16%+7,271+42.4%Added