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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 2022

Institutional positions in Merck & Co., Inc. as of Dec 31, 2022. 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
3,244
+304 vs. Q3 2022
Shares held
1.91B
+33.5M (+1.8%) vs. Q3 2022
Total value
$212.2B
+$50.0B (+30.9%) vs. Q3 2022
New holders
395
1,192 more added
Sold out
91
1,329 more reduced

57 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: 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 2022: 3,244 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: 3,618 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 2022: $212.2B
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 20263,812$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 20243,502$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 2022

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2022.

Institutions holding MRK in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Align Wealth Management, LLC2$1720.00%+2New
Tfo-TDC, LLC1$2120.00%−199−99.5%Reduced
PEAK6 Investments LLC5$5130.00%+5New
Artemis Wealth Advisors, LLC6$1.00K0.00%00.0%Unchanged
HighMark Wealth Management LLC13$1.48K0.00%00.0%Unchanged
Piershale Financial Group, Inc.20$2.22K0.00%+20New
Robbins Farley LLC43$4.77K0.00%+43New
Eukles Asset Management45$5.00K0.00%00.0%Unchanged
Bradley & Co. Private Wealth Management, LLC51$5.66K0.01%00.0%Unchanged
AlphaMark Advisors, LLC58$6.00K0.00%−142−71.0%Reduced
Adirondack Retirement Specialists, Inc.64$7.10K0.01%00.0%Unchanged
Ogorek Anthony Joseph76$8.00K0.00%−13−14.6%Reduced
Credential Qtrade Securities Inc.91$10.1K0.00%−65−41.7%Reduced
Lakewood Asset Management LLC103$11.0K0.01%+103New
Freedom Wealth Alliance, LLC100$11.1K0.02%+100New
Distillate Capital Partners LLC113$12.5K1.17%+113New
Okabena Investment Services Inc117$13.0K0.01%+117New
Dark Forest Capital Management LP130$14.4K0.00%+130New
BBJS Financial Advisors, LLC130$14.4K0.01%+130New
Grayhawk Investment Strategies Inc.134$14.9K0.01%00.0%Unchanged
Luken Investment Analytics, LLC134$14.9K0.01%+134New
Sofos Investments, Inc.111$15.1K0.16%−1,867−94.4%Reduced
Mendota Financial Group, LLC142$15.7K0.02%+142New
Baillie Gifford & Co148$16.4K0.00%00.0%Unchanged
FSC Wealth Advisors, LLC150$16.6K0.03%00.0%Unchanged
PayPay Securities Corp160$17.8K1.19%+160New
Johnson Midwest Financial, LLC181$20.0K0.07%+1+0.6%Added
Laurel Wealth Planning LLC207$23.0K0.01%00.0%Unchanged
PrairieView Partners, LLC212$23.0K0.00%−45−17.5%Reduced
Affiance Financial, LLC213$23.6K0.01%+213New
Level Financial Advisors, Inc.220$24.0K0.02%00.0%Unchanged
GW&K Investment Management, LLC222$25.0K0.00%00.0%Unchanged
Retirement Financial Solutions, LLC234$26.0K0.02%+234New
Bellwether Advisors, LLC253$28.1K0.01%+63+33.2%Added
Cornerstone Management, Inc.260$28.8K0.01%00.0%Unchanged
Win Advisors, Inc263$29.2K0.01%00.0%Unchanged
Front Row Advisors LLC267$30.0K0.02%−38−12.5%Reduced
Bromfield Sneider Wealth Advisors280$31.1K0.03%00.0%Unchanged
WR Wealth Planners, LLC290$32.2K0.02%−30−9.4%Reduced
Miller Wealth Advisors, LLC343$33.0K0.02%00.0%Unchanged
Sageworth Trust Co310$34.0K0.00%+34+12.3%Added
Financial Avengers, Inc.312$34.6K0.03%+2+0.6%Added
Tradewinds Capital Management, LLC317$35.2K0.02%+93+41.5%Added
Kepos Capital LP324$36.0K0.01%+324New
Cypress Capital Management LLC (WY)335$37.4K0.05%00.0%Unchanged
Hanseatic Management Services Inc342$38.0K0.10%+342New
Ruedi Wealth Management, Inc.350$38.9K0.03%+350New
Winch Advisory Services, LLC352$39.0K0.02%+5+1.4%Added
Paragon Wealth Strategies, LLC355$39.4K0.05%−433−54.9%Reduced
Operose Advisors LLC377$41.8K0.02%+1+0.3%Added
Mizuho Securities Co. Ltd.380$42.2K0.12%+181+91.0%Added
Cowen Prime Advisors LLC400$44.0K0.02%00.0%Unchanged
Park Circle Co400$44.4K0.04%00.0%Unchanged
Tower View Investment Management & Research LLC405$45.0K0.03%+2+0.5%Added
Delos Wealth Advisors, LLC420$46.6K0.07%00.0%Unchanged
Red Tortoise LLC428$47.5K0.03%+428New
Horizon Bancorp Inc438$49.0K0.03%+438New
New Millennium Group LLC454$50.4K0.05%+67+17.3%Added
Pacifica Partners Inc.452$50.7K0.03%−15−3.2%Reduced
Horizons Wealth Management457$51.0K0.04%00.0%Unchanged
Legend Financial Advisors, Inc.466$51.6K0.05%+150+47.5%Added
Altshuler Shaham Ltd468$51.9K0.00%−7,474−94.1%Reduced
JDM Financial Group LLC469$52.0K0.05%+469New
Ritter Daniher Financial Advisory LLC492$54.6K0.03%00.0%Unchanged
Dougherty Wealth Advisers LLC500$55.5K0.09%00.0%Unchanged
Retirement Group, LLC735$56.0K0.03%+327+80.1%Added
Pension & Wealth Management Advisors, Inc.525$58.3K0.05%+525New
My Personal CFO, LLC528$58.6K0.06%+528New
American State Bank (Iowa)530$58.8K0.05%00.0%Unchanged
Fairfield Financial Advisors, LTD543$60.3K0.03%+187+52.5%Added
Iron Horse Wealth Management, LLC547$61.0K0.03%+25+4.8%Added
Atwood & Palmer Inc555$61.6K0.01%00.0%Unchanged
Macroview Investment Management LLC558$61.9K0.11%−43−7.2%Reduced
Wolff Wiese Magana LLC560$62.1K0.05%−1,812−76.4%Reduced
Stephens Consulting, LLC566$62.8K0.04%−151−21.1%Reduced
VitalStone Financial, LLC567$63.0K0.04%+567New
Stuart Chaussee & Associates, Inc.570$63.2K0.02%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC587$65.1K0.01%+15+2.6%Added
Insight Financial Services597$66.2K0.11%00.0%Unchanged
Financial Synergies Wealth Advisors, Inc.598$66.3K0.01%+261+77.4%Added
Copeland Capital Management, LLC600$67.0K0.00%00.0%Unchanged
Raffa Wealth Management, LLC632$70.1K0.03%−132−17.3%Reduced
James Investment Research Inc642$71.0K0.01%+642New
Disciplined Investments, LLC661$73.3K0.04%+25+3.9%Added
Syverson Strege & Co683$75.8K0.03%+4+0.6%Added
Financial Connections Group, Inc.718$79.0K0.06%+230+47.1%Added
Steward Financial Group LLC791$87.0K0.04%+791New
Harbor Capital Advisors, Inc.800$88.8K0.09%−219−21.5%Reduced
Clear Perspectives Financial Planning, LLC813$90.2K0.05%−51−5.9%Reduced
Versant Capital Management, Inc831$92.2K0.03%−3−0.4%Reduced
Creative Capital Management Investments LLC843$94.0K0.08%+843New
Kraematon Investment Advisors, Inc883$98.0K0.11%+883New
Core Wealth Advisors, Inc.936$103.8K0.05%+147+18.6%Added
Ameliora Wealth Management Ltd.958$106.3K0.06%00.0%Unchanged
Fortis Capital Advisors, LLC978$108.5K0.06%+978New
Ulland Investment Advisors, LLC983$109.0K0.13%00.0%Unchanged
Kelly Financial Services LLC985$109.2K0.06%−36−3.5%Reduced
Country Trust Bank986$109.4K0.00%00.0%Unchanged
Headlands Technologies LLC987$110.0K0.09%+987New
Rebalance, LLC999$110.8K0.01%+999New