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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 2023

Institutional positions in Merck & Co., Inc. as of Dec 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
3,443
+275 vs. Q3 2023
Shares held
1.94B
+26.5M (+1.4%) vs. Q3 2023
Total value
$211.6B
+$14.5B (+7.4%) vs. Q3 2023
New holders
382
1,247 more added
Sold out
107
1,486 more reduced

53 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 3,443 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 heldQ4 2023: $211.6B
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, Q4 2023

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2023.

Institutions holding MRK in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Highline Wealth Partners LLC10,118$1.10M0.53%00.0%Unchanged
OneAscent Financial Services LLC10,087$1.11M0.14%+6,176+157.9%Added
Bremer Bank National Association10,166$1.11M0.21%−1,100−9.8%Reduced
Hartford Funds Management Co LLC10,190$1.11M0.11%+2,010+24.6%Added
WealthPLAN Partners, LLC10,236$1.12M0.11%+40.0%Added
Coston, McIsaac & Partners10,263$1.12M0.39%+35+0.3%Added
Traynor Capital Management, Inc.10,263$1.12M0.13%−282−2.7%Reduced
Seascape Capital Management10,274$1.12M0.47%+111+1.1%Added
RKL Wealth Management LLC10,299$1.12M0.12%+5,483+113.8%Added
Tilt Investment Management Holdings, PBC10,234$1.12M1.21%−3,017−22.8%Reduced
Strategic Investment Advisors10,334$1.13M0.16%−1,529−12.9%Reduced
Patron Partners Advisors, LLC10,358$1.13M0.75%+257+2.5%Added
Missouri Trust & Investment Co10,372$1.13M0.46%+2,012+24.1%Added
Sage Rhino Capital LLC10,407$1.13M0.29%−13−0.1%Reduced
Gilbert & Cook, Inc.10,416$1.14M0.16%−1,774−14.6%Reduced
Argent Capital Management LLC10,440$1.14M0.04%−84−0.8%Reduced
First Washington CORP10,482$1.14M0.44%00.0%Unchanged
Peak Planning Group, LLC10,484$1.14M0.82%+408+4.0%Added
Towarzystwo Funduszy Inwestycyjnych Pzu SA10,490$1.14M0.52%+10,490New
SNS Financial Group, LLC10,429$1.15M0.14%−4,543−30.3%Reduced
Autumn Glory Partners, LLC9,939$1.15M0.65%−655−6.2%Reduced
WNY Asset Management, LLC10,521$1.15M0.19%+575+5.8%Added
Catalytic Wealth RIA, LLC10,538$1.15M0.52%+10,538New
Hilltop Partners LLC10,556$1.15M0.45%+1,070+11.3%Added
Aurora Private Wealth, Inc.10,587$1.15M1.09%−64−0.6%Reduced
Forza Wealth Management, LLC10,598$1.16M0.64%−2,826−21.1%Reduced
Waverton Investment Management Ltd10,620$1.16M0.03%−230−2.1%Reduced
Hamilton Point Investment Advisors, LLC10,559$1.16M0.23%00.0%Unchanged
Laidlaw Wealth Management LLC10,629$1.16M0.42%−2,319−17.9%Reduced
Clarkston Capital Partners, LLC10,648$1.16M0.02%00.0%Unchanged
Portfolio Design Labs, LLC10,653$1.16M0.44%+10,653New
Kapstone Financial Advisors LLC9,668$1.16M0.91%+341+3.7%Added
TLWM10,732$1.17M0.28%+61+0.6%Added
Trustco Bank Corp N Y10,739$1.17M1.27%−19−0.2%Reduced
Coho Partners, Ltd.10,740$1.17M0.03%00.0%Unchanged
Cladis Investment Advisory, LLC10,776$1.17M0.92%00.0%Unchanged
RiverFront Investment Group, LLC10,793$1.18M0.04%+10,793New
Round Rock Advisors, LLC10,817$1.18M0.30%+133+1.2%Added
MONECO Advisors, LLC10,819$1.18M0.22%+243+2.3%Added
Allen Capital Group, LLC10,825$1.18M0.20%+253+2.4%Added
Providence Capital Advisors, LLC10,830$1.18M0.28%+799+8.0%Added
MBL Wealth, LLC10,855$1.18M0.15%−116−1.1%Reduced
DCM Advisors, LLC10,856$1.18M0.42%+3,249+42.7%Added
MJP Associates Inc10,861$1.18M0.32%+7,400+213.8%Added
Mill Creek Capital Advisors, LLC10,861$1.18M0.03%+309+2.9%Added
Cambridge Advisors Inc.10,892$1.19M0.30%+10+0.1%Added
True North Advisors, LLC10,917$1.19M0.31%−3,703−25.3%Reduced
Invera Wealth Advisors, LLC10,923$1.19M0.75%+10,923New
Cable Hill Partners, LLC10,057$1.19M0.15%−1,163−10.4%Reduced
CVA Family Office, LLC10,937$1.19M0.23%−134−1.2%Reduced
Redmond Asset Management, LLC10,969$1.20M0.39%+611+5.9%Added
Highlander Capital Management, LLC10,982$1.20M0.43%+750+7.3%Added
Avestar Capital, LLC10,935$1.20M0.15%+2,226+25.6%Added
First Western Trust Bank11,025$1.20M0.06%+632+6.1%Added
Heartland Bank & Trust Co11,035$1.20M0.83%−2,191−16.6%Reduced
McGlone Suttner Wealth Management, Inc.11,041$1.20M0.24%+273+2.5%Added
GoalVest Advisory LLC11,069$1.21M0.53%+323+3.0%Added
Coastal Bridge Advisors, LLC11,074$1.21M0.31%+24+0.2%Added
Peoples Bank11,077$1.21M0.71%−147−1.3%Reduced
Evernest Financial Advisors, LLC11,120$1.21M0.62%+11,120New
Providence Wealth Advisors, LLC9,572$1.22M1.45%+511+5.6%Added
Continuum Advisory, LLC11,197$1.22M0.17%−1,989−15.1%Reduced
Charter Oak Capital Management, LLC11,204$1.22M0.15%+6+0.1%Added
Pictet Bank & Trust Ltd11,258$1.23M1.24%−2,880−20.4%Reduced
Guerra Pan Advisors, LLC11,264$1.23M1.17%00.0%Unchanged
Wellington Shields Capital Management, LLC11,271$1.23M0.15%00.0%Unchanged
Ridgecrest Wealth Partners, LLC11,272$1.23M0.81%−30.0%Reduced
BCJ Capital Management, LLC11,275$1.23M0.11%−25,712−69.5%Reduced
Murphy, Middleton, Hinkle & Parker, Inc.11,283$1.23M0.76%−259−2.2%Reduced
Bill Few Associates, Inc.11,301$1.23M0.56%−293−2.5%Reduced
Meadow Creek Wealth Advisors LLC11,321$1.23M1.20%+11,321New
Chapin Davis, Inc.11,332$1.24M0.52%+125+1.1%Added
North Star Asset Management Inc11,334$1.24M0.06%−1,260−10.0%Reduced
Twelve Points Wealth Management LLC11,393$1.24M0.59%+283+2.5%Added
Childress Capital Advisors, LLC11,398$1.24M0.37%+88+0.8%Added
LexAurum Advisors, LLC11,401$1.24M0.33%−14−0.1%Reduced
Zullo Investment Group, Inc.11,421$1.25M0.64%+153+1.4%Added
Hunter Associates Investment Management LLC11,398$1.25M0.23%−5,085−30.8%Reduced
Accredited Investors Inc.11,455$1.25M0.09%+16+0.1%Added
Rational Advisors LLC11,500$1.25M0.13%+11,500New
Atlantic Edge Private Wealth Management, LLC11,501$1.25M0.51%+11,501New
Jackson, Grant Investment Advisers, Inc.11,506$1.25M0.56%+55+0.5%Added
Covenant Partners, LLC11,522$1.26M0.40%00.0%Unchanged
Pioneer Trust Bank N A11,541$1.26M0.37%+4,776+70.6%Added
Abacus Planning Group, Inc.11,547$1.26M0.27%−544−4.5%Reduced
Prairie Sky Financial Group LLC11,594$1.26M0.82%−128−1.1%Reduced
Abundance Wealth Counselors11,630$1.27M0.33%−38−0.3%Reduced
Aureus Asset Management, LLC11,640$1.27M0.09%+256+2.2%Added
FOCUS Wealth Advisors, LLC11,645$1.27M0.80%−1,673−12.6%Reduced
Processus Wealth & Capital Management, LLC11,652$1.27M1.27%+11,652New
Investment Partners Asset Management, Inc.11,672$1.27M1.27%+11,672New
Occidental Asset Management, LLC11,675$1.27M0.26%−28−0.2%Reduced
Acorn Financial Advisory Services Inc11,663$1.27M0.22%+333+2.9%Added
YHB Investment Advisors, Inc.11,738$1.28M0.12%−38−0.3%Reduced
Brave Asset Management Inc11,777$1.28M0.36%00.0%Unchanged
First Interstate Bank11,786$1.28M0.10%−824−6.5%Reduced
Northstar Asset Management LLC11,798$1.29M0.34%−200−1.7%Reduced
Longfellow Investment Management Co LLC11,817$1.29M0.32%00.0%Unchanged
Lipe & Dalton11,825$1.29M0.70%+20.0%Added
Mitchell & Pahl Private Wealth, LLC11,841$1.29M0.73%−478−3.9%Reduced