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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
Round Rock Advisors, LLC10,299$1.36M0.33%−518−4.8%Reduced
Signet Financial Management, LLC10,313$1.36M0.19%+214+2.1%Added
Sweet Financial Partners, LLC10,319$1.36M0.31%−12,973−55.7%Reduced
Mechanics Financial Corp10,322$1.36M0.71%+246+2.4%Added
First National Corp12,537$1.37M0.34%00.0%Unchanged
Trustco Bank Corp N Y10,371$1.37M1.42%−368−3.4%Reduced
Dover Advisors, LLC10,377$1.37M0.94%+4,208+68.2%Added
Forza Wealth Management, LLC10,398$1.37M0.71%−200−1.9%Reduced
TLWM10,417$1.37M0.30%−315−2.9%Reduced
Argent Capital Management LLC10,440$1.38M0.04%00.0%Unchanged
Strategic Investment Advisors10,443$1.38M0.18%+109+1.1%Added
Monograph Wealth Advisors, LLC10,383$1.38M0.20%+10,383New
Journey Strategic Wealth LLC10,469$1.38M0.06%+1,104+11.8%Added
Traynor Capital Management, Inc.10,470$1.38M0.13%+207+2.0%Added
Redmond Asset Management, LLC10,471$1.38M0.44%−498−4.5%Reduced
Gries Financial LLC10,476$1.38M0.23%+682+7.0%Added
RKL Wealth Management LLC10,480$1.38M0.14%+181+1.8%Added
First Washington CORP10,482$1.38M0.53%00.0%Unchanged
Corundum Group, Inc.10,486$1.38M0.67%+1,290+14.0%Added
Heartland Bank & Trust Co10,507$1.39M0.81%−528−4.8%Reduced
WNY Asset Management, LLC10,521$1.39M0.21%00.0%Unchanged
Gilbert & Cook, Inc.10,523$1.39M0.19%+107+1.0%Added
Mill Creek Capital Advisors, LLC10,525$1.39M0.04%−336−3.1%Reduced
Aurora Private Wealth, Inc.10,615$1.39M1.20%+28+0.3%Added
Blueprint Investment Partners LLC10,561$1.39M0.28%+6,378+152.5%Added
Patron Partners Advisors, LLC10,580$1.40M0.85%+222+2.1%Added
MBB Public Markets I LLC10,585$1.40M0.09%+10,585New
RiverFront Investment Group, LLC10,590$1.40M0.04%−203−1.9%Reduced
Meeder Asset Management Inc10,594$1.40M0.09%+3,583+51.1%Added
Sage Rhino Capital LLC10,608$1.40M0.33%+201+1.9%Added
Emprise Bank10,631$1.40M0.94%+10,631New
Beacon Financial Advisory LLC10,639$1.40M0.68%−2,197−17.1%Reduced
Hilltop Partners LLC10,653$1.41M0.50%+97+0.9%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA10,670$1.41M0.60%+180+1.7%Added
Centiva Capital, LP10,672$1.41M0.08%+10,543+8,172.9%Added
Capital Square, LLC10,680$1.41M0.99%+1,132+11.9%Added
OneAscent Financial Services LLC10,671$1.42M0.16%+584+5.8%Added
Ronald Blue Trust, Inc.10,733$1.42M0.02%−7,774−42.0%Reduced
Lavaca Capital LLC10,734$1.42M0.86%+1,834+20.6%Added
Peak Planning Group, LLC10,745$1.42M0.89%+261+2.5%Added
BCJ Capital Management, LLC10,773$1.42M0.11%−502−4.5%Reduced
Cladis Investment Advisory, LLC10,776$1.42M1.04%00.0%Unchanged
Roman Butler Fullerton & Co11,223$1.42M0.53%−188−1.6%Reduced
AXS Investments LLC10,802$1.43M0.34%−2,478−18.7%Reduced
Peoples Bank10,806$1.43M0.79%−271−2.4%Reduced
FCG Investment Co10,807$1.43M1.14%−2,486−18.7%Reduced
Crewe Advisors LLC10,819$1.43M0.17%+10,819New
Providence Capital Advisors, LLC10,830$1.43M0.31%00.0%Unchanged
First Command Advisory Services, Inc.10,870$1.43M0.02%+2,198+25.3%Added
Missouri Trust & Investment Co10,872$1.43M0.55%+500+4.8%Added
True North Advisors, LLC10,894$1.44M0.40%−23−0.2%Reduced
Wolff Wiese Magana LLC10,897$1.44M1.24%+10,405+2,114.8%Added
Abundance Wealth Counselors10,927$1.44M0.33%−703−6.0%Reduced
Clarkston Capital Partners, LLC10,929$1.44M0.03%+281+2.6%Added
Allen Capital Group, LLC10,930$1.44M0.21%+105+1.0%Added
Strategic Planning Group, LLC10,951$1.45M0.36%+1,461+15.4%Added
Northstar Asset Management LLC10,952$1.45M0.36%−846−7.2%Reduced
NFJ Investment Group, LLC10,959$1.45M0.04%+10,959New
Bremer Bank National Association10,978$1.45M0.27%+812+8.0%Added
Childress Capital Advisors, LLC10,991$1.45M0.42%−407−3.6%Reduced
Baker Ellis Asset Management LLC11,005$1.45M0.22%+1,140+11.6%Added
Chapin Davis, Inc.11,021$1.45M0.53%−311−2.7%Reduced
CVA Family Office, LLC11,027$1.46M0.26%+90+0.8%Added
Abacus Planning Group, Inc.11,058$1.46M0.29%−489−4.2%Reduced
First Interstate Bank11,062$1.46M0.10%−724−6.1%Reduced
PGGM Investments11,072$1.46M0.02%−42,167−79.2%Reduced
Gen-Wealth Partners Inc11,086$1.46M0.73%+11,086New
Coastal Bridge Advisors, LLC11,096$1.46M0.34%+22+0.2%Added
Engineers Gate Manager LP11,102$1.46M0.04%−9,921−47.2%Reduced
Acorn Financial Advisory Services Inc11,126$1.47M0.28%−537−4.6%Reduced
Abacus Wealth Partners, LLC11,145$1.47M0.25%+1,263+12.8%Added
Adirondack Trust Co11,167$1.47M0.62%−142−1.3%Reduced
Opinicus Capital, Inc.11,181$1.48M1.31%+1,820+19.4%Added
Evernest Financial Advisors, LLC11,744$1.48M0.70%+624+5.6%Added
Bell Bank11,197$1.48M0.13%+1,962+21.2%Added
Woodard & Co Asset Management Group Inc11,199$1.48M0.39%−688−5.8%Reduced
Aspire Private Capital, LLC11,200$1.48M0.39%+1,321+13.4%Added
Charter Oak Capital Management, LLC11,213$1.48M0.16%+9+0.1%Added
Mitchell & Pahl Private Wealth, LLC11,215$1.48M0.78%−626−5.3%Reduced
Investment Partners Asset Management, Inc.11,226$1.48M1.34%−446−3.8%Reduced
Pacific Capital Partners Ltd11,270$1.49M0.97%+2,239+24.8%Added
Ridgecrest Wealth Partners, LLC11,272$1.49M0.89%00.0%Unchanged
Murphy, Middleton, Hinkle & Parker, Inc.11,282$1.49M0.87%−10.0%Reduced
Financial Insights, Inc.11,282$1.49M0.42%−775−6.4%Reduced
Eley Financial Management, Inc11,283$1.49M0.64%−3,435−23.3%Reduced
YHB Investment Advisors, Inc.11,293$1.49M0.13%−445−3.8%Reduced
North Star Asset Management Inc11,298$1.49M0.07%−36−0.3%Reduced
Twelve Points Wealth Management LLC11,305$1.49M0.55%−88−0.8%Reduced
Pioneer Trust Bank N A11,321$1.49M0.42%−220−1.9%Reduced
Simon Quick Advisors, LLC11,330$1.49M0.11%+2,780+32.5%Added
Hunter Associates Investment Management LLC11,400$1.50M0.25%+20.0%Added
Wellington Shields Capital Management, LLC11,371$1.50M0.28%+100+0.9%Added
Guerra Pan Advisors, LLC11,377$1.50M1.39%+113+1.0%Added
National Philanthropic Trust11,388$1.50M0.03%+8,687+321.6%Added
Cambridge Advisors Inc.11,416$1.51M0.36%+524+4.8%Added
LexAurum Advisors, LLC11,442$1.51M0.38%+41+0.4%Added
Pinnacle Holdings, LLC11,444$1.51M0.61%−785−6.4%Reduced
Zullo Investment Group, Inc.11,469$1.51M0.71%+48+0.4%Added
Everhart Financial Group, Inc.11,518$1.52M0.44%+2,210+23.7%Added
Covenant Partners, LLC11,522$1.52M0.44%00.0%Unchanged