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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 2021

Institutional positions in Merck & Co., Inc. as of Dec 31, 2021. 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
2,910
+294 vs. Q3 2021
Shares held
1.85B
+9.41M (+0.5%) vs. Q3 2021
Total value
$142.2B
+$3.54B (+2.6%) vs. Q3 2021
New holders
388
1,257 more added
Sold out
94
961 more reduced

42 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2021: 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 2021: 2,910 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 heldQ4 2021: $142.2B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2021.

Institutions holding MRK in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Renaissance Investment Group LLC11,528$884.0K0.21%−2,782−19.4%Reduced
Occidental Asset Management, LLC11,552$885.0K0.21%00.0%Unchanged
Aureus Asset Management, LLC11,553$885.0K0.05%+771+7.2%Added
Bill Few Associates, Inc.11,559$886.0K0.46%+11,559New
Capital International Inc11,575$887.0K0.01%−29−0.2%Reduced
Apriem Advisors11,580$887.0K0.13%+53+0.5%Added
Kiley Juergens Wealth Management, LLC11,598$889.0K0.34%+85+0.7%Added
WealthShield Partners, LLC11,666$894.0K0.15%+628+5.7%Added
Stonnington Group, LLC10,945$894.0K0.19%+2,115+24.0%Added
Trustco Bank Corp N Y11,699$896.0K0.78%−186−1.6%Reduced
MidWestOne Financial Group, Inc.11,699$896.0K0.19%−175−1.5%Reduced
Global Financial Private Client, LLC11,694$896.2K0.43%+84+0.7%Added
Atticus Wealth Management, LLC11,717$898.0K0.35%+7,295+165.0%Added
Credential Qtrade Securities Inc.11,741$899.8K0.06%+1,510+14.8%Added
Security Asset Management11,744$900.0K0.35%−199−1.7%Reduced
Wrapmanager Inc11,829$907.0K0.23%−4,351−26.9%Reduced
Camelot Portfolios, LLC11,844$908.0K0.37%+4,250+56.0%Added
BancorpSouth Bank11,861$909.0K0.11%−140−1.2%Reduced
Murphy, Middleton, Hinkle & Parker, Inc.11,868$910.0K0.48%+11+0.1%Added
Cable Hill Partners, LLC11,892$911.0K0.19%+419+3.7%Added
Axxcess Wealth Management, LLC11,909$913.0K0.07%+11,909New
LexAurum Advisors, LLC11,921$914.0K0.30%+1,128+10.5%Added
Schulhoff & Co Inc11,973$917.0K0.38%+200+1.7%Added
GraniteShares Advisors LLC11,971$917.0K0.42%+11,971New
First National Corp11,986$919.0K0.21%+84+0.7%Added
Palumbo Wealth Management LLC11,991$919.0K0.58%+1,006+9.2%Added
Perkins Capital Management Inc12,025$922.0K0.62%−250−2.0%Reduced
Qtron Investments LLC12,028$922.0K0.21%+6,196+106.2%Added
Zhang Financial LLC12,131$930.0K0.16%+5,042+71.1%Added
Perfromance Wealth Partners, LLC12,141$930.0K0.04%+12,141New
Hemington Wealth Management11,385$931.0K0.43%−728−6.0%Reduced
Scharf Investments, LLC12,171$933.0K0.03%+5,365+78.8%Added
Gilbert & Cook, Inc.12,186$934.0K0.15%+4,269+53.9%Added
Port Capital LLC12,235$938.0K0.06%+19+0.2%Added
Knuff & Co LLC12,270$940.0K0.29%−500−3.9%Reduced
Linker Capital Management Inc.12,284$941.0K0.90%+12,284New
Clarkston Capital Partners, LLC12,291$942.0K0.02%+12,291New
Telos Capital Management, Inc.12,341$946.0K0.12%−26,275−68.0%Reduced
Mizuho Securities USA LLC12,362$947.0K0.09%−1,152−8.5%Reduced
Summit Financial, LLC12,245$947.1K0.07%+96+0.8%Added
Astrantus Ltd12,388$949.0K0.71%+12,388New
Parsec Financial Management, Inc.12,399$950.0K0.04%00.0%Unchanged
Farmers & Merchants Trust Co of Chambersburg PA12,399$950.0K0.62%00.0%Unchanged
Wolff Financial Management LLC12,414$951.0K0.36%00.0%Unchanged
Bremer Bank National Association12,425$952.0K0.16%−606−4.7%Reduced
Physicians Financial Services, Inc.12,445$954.0K0.35%−325−2.5%Reduced
Mine & Arao Wealth Creation & Management, LLC.12,466$955.0K0.53%+323+2.7%Added
WealthPLAN Partners, LLC11,718$955.0K0.06%+191+1.7%Added
Lafayette Investments, Inc.12,487$957.0K0.24%+1,000+8.7%Added
Lumina Fund Management LLC12,500$958.0K0.39%00.0%Unchanged
Ellevest, Inc.12,550$962.0K0.09%−422−3.3%Reduced
Pinnacle Wealth Planning Services, Inc.12,562$962.0K0.19%+1,901+17.8%Added
Compton Wealth Advisory Group, LLC12,605$966.0K0.41%+184+1.5%Added
Ascent Wealth Partners, LLC12,668$971.0K0.17%+1,377+12.2%Added
YHB Investment Advisors, Inc.12,677$972.0K0.08%+81+0.6%Added
Washington Trust Advisors, Inc.12,693$972.0K0.07%+12,693New
Burleson & Company, LLC12,719$975.0K0.14%−162−1.3%Reduced
Beacon Financial Advisory LLC12,722$975.0K0.45%+50+0.4%Added
Wealth Management Associates, Inc.12,734$975.9K0.53%+56+0.4%Added
Lederer & Associates Investment Counsel12,737$976.0K0.57%+2,133+20.1%Added
Hardman Johnston Global Advisors LLC12,750$977.0K0.03%00.0%Unchanged
VeraBank, N.A.12,759$978.0K0.49%+189+1.5%Added
City State Bank12,785$980.0K0.60%+12,785New
ACG Wealth12,801$981.0K0.14%−130−1.0%Reduced
Gamble Jones Investment Counsel12,799$981.0K0.06%00.0%Unchanged
IAM Advisory, LLC11,945$984.0K0.39%+1,398+13.3%Added
Global Trust Asset Management, LLC12,860$986.0K0.39%−3,030−19.1%Reduced
Charter Oak Capital Management, LLC12,876$987.0K0.11%+22+0.2%Added
Chicago Partners Investment Group LLC12,918$988.0K0.07%+71+0.6%Added
Aurora Private Wealth, Inc.12,935$991.0K0.43%−751−5.5%Reduced
Nations Financial Group Inc,12,964$994.0K0.13%+771+6.3%Added
Acorn Financial Advisory Services Inc12,952$995.0K0.20%−199−1.5%Reduced
Aft, Forsyth & Sober, LLC13,000$996.0K0.35%00.0%Unchanged
Am Investment Strategies LLC13,009$997.0K0.24%−1,630−11.1%Reduced
Bar Harbor Trust Services13,007$997.0K0.27%−90−0.7%Reduced
Pine Haven Investment Counsel, Inc13,024$998.0K0.93%+13,024New
Gilman Hill Asset Management, LLC13,035$999.0K0.22%−119−0.9%Reduced
Plancorp, LLC13,054$1.00M0.06%+209+1.6%Added
Allen Capital Group, LLC13,043$1.00M0.14%+1,882+16.9%Added
Platform Technology Partners13,073$1.00M0.44%−10.0%Reduced
IMS Capital Management13,091$1.00M0.52%+978+8.1%Added
Factorial Partners, LLC13,100$1.00M0.66%+4,200+47.2%Added
BSW Wealth Partners13,164$1.01M0.25%−191−1.4%Reduced
Eos Management, L.P.13,160$1.01M0.59%00.0%Unchanged
HawsGoodwin Investment Management LLC13,180$1.01M0.29%−234−1.7%Reduced
Altavista Wealth Management, Inc.13,192$1.01M0.20%+250+1.9%Added
Exencial Wealth Advisors, LLC13,186$1.01M0.05%+2,852+27.6%Added
Latitude Advisors, LLC13,226$1.01M0.28%+1,109+9.2%Added
Saturna Capital CORP13,248$1.01M0.02%+1,693+14.7%Added
Commerzbank Aktiengesellschaft13,260$1.02M0.06%−750−5.4%Reduced
Pinnacle Holdings, LLC13,284$1.02M0.43%+28+0.2%Added
Acropolis Investment Management, LLC13,369$1.02M0.09%+3,483+35.2%Added
Absher Wealth Management, LLC13,427$1.03M0.17%+695+5.5%Added
High Net Worth Advisory Group LLC13,421$1.03M0.36%+13,421New
Advisor OS, LLC13,425$1.03M0.21%+698+5.5%Added
JB Capital LLC13,456$1.03M0.10%+9,781+266.1%Added
Legacy Financial Advisors, Inc.13,486$1.03M0.24%+984+7.9%Added
Regal Investment Advisors LLC13,524$1.04M0.09%+579+4.5%Added
BCS Wealth Management13,535$1.04M0.37%+399+3.0%Added
Boxwood Ventures, Inc.13,563$1.04M2.13%00.0%Unchanged