Skip to main content

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; 3,854 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, Q2 2026

Institutional positions in Merck & Co., Inc. as of Jun 30, 2026. 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
3,854
+96 vs. Q1 2026
Shares held
1.98B
+52.6M (+2.7%) vs. Q1 2026
Total value
$254.3B
+$23.0B (+9.9%) vs. Q1 2026
New holders
214
1,635 more added
Sold out
118
1,508 more reduced

54 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 3,854 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: 3,854 institutions
Value heldQ2 2026: $254.3B
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 20263,854$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, Q2 2026

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2026.

Institutions holding MRK in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Evolution Advisers, Inc.5$00.00%+5New
Financial Life Planners1$830.00%00.0%Unchanged
Islay Capital Management, LLC1$1290.00%+1New
Game Plan Financial Advisors, LLC1$1290.00%+1New
Quarry LP4$5140.00%+4New
Hurley Capital, LLC4$5160.00%+2+100.0%Added
Bear Mountain Capital, Inc.5$6040.00%00.0%Unchanged
Hoey Investments, Inc5$6430.00%00.0%Unchanged
Cordant, Inc.7$8950.00%+7New
CKW Financial Group10$1.00K0.00%+10New
Nvest Wealth Strategies, Inc.9$1.16K0.00%00.0%Unchanged
Palladiem, LLC10$1.28K0.00%00.0%Unchanged
Mountain Hill Investment Partners Corp.10$1.32K0.00%00.0%Unchanged
Proffitt & Goodson Inc12$1.54K0.00%+12New
Benson Wealth Management INC13$1.67K0.00%00.0%Unchanged
Breakwater Investment Management16$2.06K0.00%+7+77.8%Added
Networth Advisors, LLC16$2.06K0.00%+10+166.7%Added
Strategic Advocates LLC16$2.06K0.01%+16New
Lummis Asset Management, LP16$2.06K0.00%+16New
CWM Advisors, LLC18$2.31K0.00%00.0%Unchanged
Atlantic Private Wealth, LLC20$2.57K0.00%00.0%Unchanged
C M Bidwell & Associates Ltd24$3.08K0.00%00.0%Unchanged
ROSS\JOHNSON & Associates LLC29$3.73K0.06%+5+20.8%Added
Ball & Co Wealth Management Inc.31$4.00K0.00%00.0%Unchanged
RMG Wealth Management LLC42$5.53K0.00%−63−60.0%Reduced
Eukles Asset Management45$5.78K0.00%00.0%Unchanged
Sims Investment Management, LLC45$5.78K0.00%+45New
Three Bearings Fiduciary Advisors, Inc.45$5.86K0.01%00.0%Unchanged
PayPay Securities Corp46$5.91K0.23%00.0%Unchanged
Imprint Wealth LLC48$6.17K0.03%−10−17.2%Reduced
Investment Counsel Co of Nevada49$6.30K0.01%+49New
Halbert Hargrove Global Advisors, LLC51$6.50K0.00%+16+45.7%Added
Bradley & Co. Private Wealth Management, LLC51$6.60K0.00%00.0%Unchanged
CBIZ Investment Advisory Services, LLC57$6.91K0.00%00.0%Unchanged
Decker Retirement Planning Inc.55$7.07K0.00%00.0%Unchanged
Davis Capital Management58$7.45K0.00%+37+176.2%Added
Luminist Capital LLC58$7.45K0.01%+58New
Key Capital Management, INC65$8.35K0.00%+16+32.7%Added
Burkett Financial Services, LLC72$9.33K0.00%00.0%Unchanged
WestEnd Advisors, LLC73$9.38K0.00%+6+9.0%Added
Park Square Financial Group, LLC76$9.77K0.09%−18−19.1%Reduced
Strive Financial Group ,LLC82$10.5K0.00%+1+1.2%Added
Prudent Man Investment Management, Inc.100$10.5K0.00%00.0%Unchanged
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna96$12.3K0.00%00.0%Unchanged
Miller Wealth Advisors, LLC100$12.8K0.01%00.0%Unchanged
Uniplan Investment Counsel, Inc.108$13.9K0.00%+108New
Navigoe, LLC114$14.0K0.01%+33+40.7%Added
Turim 21 Investimentos Ltda.114$14.6K0.00%00.0%Unchanged
Darwin Advisors, LLC118$15.2K0.00%+39+49.4%Added
Gunpowder Capital Management, LLC dba Oliver Wealth Management119$15.3K0.01%−293−71.1%Reduced
Torren Management, LLC120$15.4K0.01%+3+2.6%Added
Y.D. More Investments Ltd245$15.5K0.00%−24−8.9%Reduced
Copia Wealth Management121$15.5K0.01%+10+9.0%Added
HFM Investment Advisors, LLC122$15.7K0.01%+35+40.2%Added
Newton One Investments LLC125$16.1K0.00%+125New
Financial Avengers, Inc.132$16.9K0.01%+1+0.8%Added
Clal Insurance Enterprises Holdings Ltd131$17.0K0.00%−28−17.6%Reduced
Keystone Financial Group, Inc.133$17.1K0.01%+1+0.8%Added
Luken Investment Analytics, LLC134$17.2K0.01%00.0%Unchanged
Altshuler Shaham Ltd135$17.3K0.00%+99+275.0%Added
Virginia Estate & Retirement Planning Advisors Inc.135$17.3K0.02%00.0%Unchanged
Premier Financial Group139$17.9K0.00%+139New
DecisionPoint Financial, LLC143$17.9K0.00%+21+17.2%Added
Morton Brown Family Wealth, LLC148$19.0K0.00%+29+24.4%Added
Core Capital Management & Research, inc.132$19.9K0.01%+132New
Cherry Tree Wealth Management, LLC160$20.6K0.00%00.0%Unchanged
Financially Speaking Inc176$21.2K0.10%00.0%Unchanged
Robinson Value Management, Ltd.166$21.3K0.01%00.0%Unchanged
Whipplewood Advisors, LLC169$21.7K0.01%−551−76.5%Reduced
Regatta Research & Money Management172$22.1K0.02%+172New
Atomic Invest LLC178$23.0K0.00%−31−14.8%Reduced
Tidemark, LLC193$24.8K0.01%00.0%Unchanged
Frazier Financial Advisors, LLC194$24.9K0.01%+94+94.0%Added
Advocate Investing Services LLC199$25.6K0.02%00.0%Unchanged
Knights of Columbus Asset Advisors LLC200$25.7K0.00%00.0%Unchanged
Sellwood Investment Partners LLC200$25.7K0.01%00.0%Unchanged
Mosley Wealth Management204$26.3K0.01%+29+16.6%Added
Bullseye Investment Management, LLC209$26.9K0.01%00.0%Unchanged
Kingdom Financial Group LLC.211$27.2K0.01%−61−22.4%Reduced
Rakuten Securities, Inc.214$27.5K0.01%−212−49.8%Reduced
HighMark Wealth Management LLC217$27.9K0.01%+103+90.4%Added
Rocky Mountain Advisers, LLC222$28.5K0.01%−2,045−90.2%Reduced
Friedenthal Financial223$28.7K0.01%00.0%Unchanged
Tradewinds Capital Management, LLC224$28.8K0.01%−95−29.8%Reduced
Pinney & Scofield, Inc.235$30.2K0.01%00.0%Unchanged
Sankala Group LLC231$31.3K0.02%+2+0.9%Added
Abound Financial, LLC246$31.6K0.01%00.0%Unchanged
Graney & King, LLC250$32.1K0.01%+200+400.0%Added
Greykasell Wealth Strategies, Inc.251$32.3K0.01%00.0%Unchanged
Delos Wealth Advisors, LLC253$32.5K0.02%+253New
Solstein Capital, LLC255$32.8K0.01%00.0%Unchanged
Western Pacific Wealth Management, LP263$33.9K0.03%00.0%Unchanged
Security National Bank267$34.3K0.00%00.0%Unchanged
Noble Wealth Management PBC274$35.2K0.02%+13+5.0%Added
Gilpin Wealth Management, LLC276$35.5K0.02%−25−8.3%Reduced
Cypress Capital Management LLC (WY)283$36.6K0.03%00.0%Unchanged
Harbor Asset Planning, Inc.285$36.6K0.03%00.0%Unchanged
Medallion Wealth Advisors, LLC258$38.2K0.01%−4,457−94.5%Reduced
Golden State Equity Partners300$38.5K0.10%−34,068−99.1%Reduced
Front Row Advisors LLC297$38.8K0.01%00.0%Unchanged