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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 2024

Institutional positions in Merck & Co., Inc. as of Dec 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
3,618
+182 vs. Q3 2024
Shares held
1.98B
+39.5M (+2.0%) vs. Q3 2024
Total value
$196.9B
−$22.8B (−10.4%) vs. Q3 2024
New holders
389
1,324 more added
Sold out
207
1,581 more reduced

66 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 3,618 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 2024: $196.9B
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 20243,502$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 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2024.

Institutions holding MRK in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Dunhill Financial, LLC368$36.6K0.02%−514−58.3%Reduced
Pacific Capital Wealth Advisors, Inc373$37.1K0.01%−9−2.4%Reduced
Spurstone Advisory Services, LLC374$37.2K0.71%+374New
Front Row Advisors LLC378$37.9K0.01%+72+23.5%Added
Western Pacific Wealth Management, LP392$39.0K0.03%00.0%Unchanged
Tradewinds Capital Management, LLC397$39.5K0.01%+11+2.8%Added
JDM Financial Group LLC400$39.8K0.02%−17−4.1%Reduced
Park Circle Co400$39.8K0.04%00.0%Unchanged
Delos Wealth Advisors, LLC400$39.8K0.03%00.0%Unchanged
Louisbourg Investments Inc.402$40.0K0.01%+402New
Horizons Wealth Management403$40.1K0.03%00.0%Unchanged
Advantage Trust Co403$40.1K0.02%+53+15.1%Added
Hurley Capital, LLC393$40.4K0.03%+393New
Marshall Investment Management, LLC370$42.1K0.02%+370New
Accent Capital Management, LLC420$42.1K0.02%00.0%Unchanged
Valued Wealth Advisors LLC422$42.3K0.03%+11+2.7%Added
SWAN Capital LLC429$42.7K0.02%+62+16.9%Added
Bayforest Capital Ltd429$42.7K0.05%+429New
Itau Unibanco Holding S.A.435$43.3K0.00%−76−14.9%Reduced
Marshall & Sterling Wealth Advisors Inc.440$43.7K0.03%+440New
Frazier Financial Advisors, LLC445$43.8K0.03%−185−29.4%Reduced
REAP Financial Group, LLC442$43.9K0.01%−29−6.2%Reduced
New Wave Wealth Advisors LLC442$44.0K0.02%+442New
NVWM, LLC445$44.3K0.01%−9,849−95.7%Reduced
Minot DeBlois Advisors LLC448$44.6K0.04%+448New
Fiduciary Advisors, Inc.453$45.1K0.05%+453New
New Millennium Group LLC453$45.1K0.03%−10,713−95.9%Reduced
MPWM Advisory Solutions, LLC455$45.2K0.03%+455New
Migdal Insurance & Financial Holdings Ltd.465$46.0K0.00%−2,867−86.0%Reduced
Moisand Fitzgerald Tamayo, LLC465$46.3K0.01%−27−5.5%Reduced
Northwest Bank & Trust Co460$46.8K0.03%−150−24.6%Reduced
Ritter Daniher Financial Advisory LLC477$47.5K0.01%00.0%Unchanged
Legend Financial Advisors, Inc.490$48.8K0.03%+180+58.1%Added
Raffa Wealth Management, LLC494$49.1K0.01%+10+2.1%Added
Dougherty Wealth Advisers LLC500$49.7K0.04%00.0%Unchanged
Iron Horse Wealth Management, LLC501$49.8K0.02%00.0%Unchanged
Riggs Asset Managment Co. Inc.509$50.1K0.01%−2,370−82.3%Reduced
Kiely Wealth Advisory Group, Inc.600$51.8K0.03%00.0%Unchanged
Lowe Wealth Advisors, LLC533$53.0K0.02%−100−15.8%Reduced
Mizuho Bank, Ltd.550$54.7K0.02%−470−46.1%Reduced
Accordant Advisory Group Inc563$56.0K0.05%00.0%Unchanged
Decker Retirement Planning Inc.564$56.1K0.03%+564New
Coppell Advisory Solutions LLC599$59.5K0.01%−807−57.4%Reduced
Copeland Capital Management, LLC600$59.7K0.00%00.0%Unchanged
Future Financial Wealth Managment LLC603$60.0K0.04%−350−36.7%Reduced
Toth Financial Advisory Corp604$60.1K0.01%−100−14.2%Reduced
Tucker Asset Management LLC606$60.3K0.01%+48+8.6%Added
ROSS\JOHNSON & Associates LLC623$62.0K1.43%+623New
Gleason Group, Inc.625$62.2K0.01%+4+0.6%Added
Parkworth Wealth Management, Inc.628$62.5K0.05%+628New
Quest 10 Wealth Builders, Inc.629$62.6K0.06%+629New
Retirement Wealth Solutions LLC650$64.5K0.05%+650New
Bellevue Asset Management, LLC672$66.9K0.03%+45+7.2%Added
Holos Integrated Wealth LLC681$67.7K0.05%+681New
S&T Bank683$67.9K0.02%+683New
Wiser Advisor Group LLC699$69.5K0.10%+5+0.7%Added
Criterion Capital Advisors, LLC562$69.6K0.04%00.0%Unchanged
Runnymede Capital Advisors, Inc.712$70.8K0.06%+712New
Bay Harbor Wealth Management, LLC710$71.2K0.02%+13+1.9%Added
Battery Global Advisors, LLC718$72.0K0.04%00.0%Unchanged
Aspect Partners, LLC725$72.1K0.04%−43−5.6%Reduced
Atwood & Palmer Inc730$72.6K0.00%00.0%Unchanged
Capula Management Ltd741$73.7K0.00%−873−54.1%Reduced
Creekmur Asset Management LLC761$75.8K0.02%−325−29.9%Reduced
Stuart Chaussee & Associates, Inc.770$76.6K0.02%00.0%Unchanged
Beaird Harris Wealth Management, LLC772$76.8K0.01%−650−45.7%Reduced
Financial Network Wealth Advisors LLC779$77.5K0.14%−1,027−56.9%Reduced
Centricity Wealth Management, LLC784$78.0K0.07%+784New
Mascoma Wealth Management LLC787$78.3K0.02%+238+43.4%Added
LFA - Lugano Financial Advisors SA788$78.4K0.05%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC791$78.7K0.15%+412+108.7%Added
Fairway Wealth LLC792$78.8K0.04%+792New
Insight Financial Services797$79.3K0.06%+200+33.5%Added
Guardian Wealth Management, Inc.818$81.4K0.06%00.0%Unchanged
Dogwood Wealth Management LLC819$81.5K0.04%+4+0.5%Added
Principia Wealth Advisory, LLC821$81.7K0.08%+821New
GKV Capital Management Co., Inc.850$84.6K0.03%+850New
True Wealth Design, LLC858$85.3K0.03%+559+187.0%Added
Pineridge Advisors LLC871$86.6K0.03%+730+517.7%Added
Curio Wealth, LLC874$86.9K0.05%+874New
1620 Investment Advisors, Inc.884$88.0K0.07%+1+0.1%Added
SJS Investment Consulting Inc.886$88.1K0.02%−404−31.3%Reduced
Conquis Financial LLC887$88.9K0.09%+887New
Pension & Wealth Management Advisors, Inc.897$89.2K0.04%−102−10.2%Reduced
DiNuzzo Private Wealth, Inc.915$91.0K0.01%−108−10.6%Reduced
Nordwand Advisors, LLC921$91.6K0.04%00.0%Unchanged
Carolina Wealth Advisors, LLC927$92.2K0.05%00.0%Unchanged
Abound Wealth Management955$95.0K0.03%−237−19.9%Reduced
Richardson Financial Services Inc.969$95.3K0.07%−462−32.3%Reduced
Transce3nd, LLC959$95.4K0.03%+959New
Capital A Wealth Management, LLC971$96.6K0.16%+971New
Ulland Investment Advisors, LLC983$98.0K0.06%00.0%Unchanged
DecisionPoint Financial, LLC1,000$99.5K0.03%00.0%Unchanged
Cornerstone National Bank & Trust Co1,000$99.5K0.05%00.0%Unchanged
Semmax Financial Advisors Inc.1,189$100.4K0.03%+9+0.8%Added
Fourth Dimension Wealth, LLC934$102.9K0.05%+934New
Wintrust Investments LLC1,049$104.0K0.09%−618−37.1%Reduced
Montag & Caldwell, LLC1,052$104.7K0.02%+1,052New
Comprehensive Financial Planning, Inc.1,053$104.7K0.09%+1,053New
Bellwether Advisors, LLC1,058$105.3K0.02%+1,058New