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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, Q2 2025

Institutional positions in Merck & Co., Inc. as of Jun 30, 2025. 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
3,337
−73 vs. Q1 2025
Shares held
1.97B
−5.75M (−0.3%) vs. Q1 2025
Total value
$155.9B
−$21.3B (−12.0%) vs. Q1 2025
New holders
178
1,301 more added
Sold out
251
1,540 more reduced

49 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 3,337 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 heldQ2 2025: $155.9B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2025.

Institutions holding MRK in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Bare Financial Services, Inc366$29.0K0.01%+125+51.9%Added
Provenance Wealth Advisors, LLC370$29.3K0.00%−1,290−77.7%Reduced
Horizons Wealth Management371$29.4K0.02%−32−7.9%Reduced
Front Row Advisors LLC378$30.2K0.01%00.0%Unchanged
Tradewinds Capital Management, LLC386$30.6K0.01%00.0%Unchanged
Vega Investment Solutions390$30.9K0.01%−338−46.4%Reduced
Harvest Fund Management Co., Ltd391$31.0K0.00%−14,412−97.4%Reduced
Evolution Wealth Management Inc.396$31.4K0.04%+396New
Hurley Capital, LLC397$31.4K0.02%+3+0.8%Added
Park Circle Co400$31.7K0.03%00.0%Unchanged
JDM Financial Group LLC400$31.7K0.01%00.0%Unchanged
Point72 (DIFC) Ltd400$31.7K0.00%+400New
Horizon Bancorp Inc407$32.0K0.02%00.0%Unchanged
Accent Capital Management, LLC420$33.6K0.02%00.0%Unchanged
Itau Unibanco Holding S.A.431$34.1K0.00%−4−0.9%Reduced
Minot DeBlois Advisors LLC443$35.1K0.03%00.0%Unchanged
New Millennium Group LLC449$35.6K0.02%+2+0.4%Added
SWAN Capital LLC451$35.7K0.02%+22+5.1%Added
Fiduciary Advisors, Inc.453$35.9K0.03%00.0%Unchanged
Transce3nd, LLC454$35.9K0.02%−61−11.8%Reduced
Tower Trust & Investment Co460$36.4K0.03%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC465$36.8K0.00%00.0%Unchanged
Migdal Insurance & Financial Holdings Ltd.465$37.0K0.00%−760−62.0%Reduced
Dougherty Wealth Advisers LLC500$39.6K0.03%00.0%Unchanged
Roble, Belko & Company, Inc505$40.0K0.01%−72−12.5%Reduced
Riggs Asset Managment Co. Inc.509$40.3K0.01%00.0%Unchanged
Y.D. More Investments Ltd542$42.6K0.00%−589−52.1%Reduced
Toth Financial Advisory Corp539$42.7K0.00%−3,215−85.6%Reduced
Marshall & Sterling Wealth Advisors Inc.541$42.8K0.03%+45+9.1%Added
Howard Hughes Medical Institute546$43.2K0.02%+546New
Mountain Hill Investment Partners Corp.547$43.3K0.04%+547New
Advantage Trust Co550$43.5K0.02%+200+57.1%Added
Glass Jacobson Investment Advisors llc551$43.6K0.02%−2,290−80.6%Reduced
Future Financial Wealth Managment LLC553$43.8K0.03%00.0%Unchanged
Team Financial Group, LLC554$43.8K0.02%+554New
Winnow Wealth LLC563$44.6K0.03%−10,185−94.8%Reduced
Accordant Advisory Group Inc563$44.6K0.03%00.0%Unchanged
Spurstone Advisory Services, LLC564$44.6K0.68%+190+50.8%Added
Chung Wu Investment Group, LLC573$45.4K0.05%+573New
MJT & Associates Financial Advisory Group, Inc.583$46.2K0.06%+47+8.8%Added
Mascoma Wealth Management LLC593$46.9K0.01%00.0%Unchanged
Insight Financial Services597$47.3K0.04%−279−31.8%Reduced
Activest Wealth Management597$47.3K0.01%−467−43.9%Reduced
Ramirez Asset Management, Inc.600$47.5K0.01%−14,666−96.1%Reduced
Copeland Capital Management, LLC600$47.5K0.00%00.0%Unchanged
Beaird Harris Wealth Management, LLC601$47.6K0.00%00.0%Unchanged
Gleason Group, Inc.636$50.4K0.01%+6+1.0%Added
Main Street Group, LTD639$50.6K0.02%−498−43.8%Reduced
Quest 10 Wealth Builders, Inc.639$50.6K0.05%−3−0.5%Reduced
Sierra Ocean, LLC669$53.0K0.04%−119−15.1%Reduced
Parkworth Wealth Management, Inc.682$54.0K0.04%+49+7.7%Added
Contravisory Investment Management, Inc.683$54.1K0.01%−400−36.9%Reduced
Bellevue Asset Management, LLC709$56.2K0.03%+34+5.0%Added
Mowery & Schoenfeld Wealth Management, LLC724$57.3K0.09%−36−4.7%Reduced
Battery Global Advisors, LLC718$57.4K0.03%00.0%Unchanged
Atwood & Palmer Inc730$57.8K0.00%00.0%Unchanged
Harel Insurance Investments & Financial Services Ltd.730$58.0K0.00%00.0%Unchanged
Retirement Wealth Solutions LLC747$59.1K0.04%+5+0.7%Added
Halbert Hargrove Global Advisors, LLC748$59.2K0.00%+469+168.1%Added
Evelyn Partners Investment Management Services Ltd758$60.0K0.01%−300−28.4%Reduced
Stuart Chaussee & Associates, Inc.770$61.0K0.01%00.0%Unchanged
Fairman Group, LLC790$63.2K0.05%−123−13.5%Reduced
Carderock Capital Management Inc800$63.3K0.02%+800New
Centricity Wealth Management, LLC809$64.0K0.05%00.0%Unchanged
Dynamic Wealth Strategies, LLC811$64.2K0.05%−34−4.0%Reduced
Scarborough Advisors, LLC813$64.4K0.01%+813New
Aspect Partners, LLC813$64.4K0.03%+113+16.1%Added
SJS Investment Consulting Inc.816$64.6K0.01%−57−6.5%Reduced
Holos Integrated Wealth LLC808$65.2K0.04%+127+18.6%Added
Country Trust Bank838$66.3K0.00%−313−27.2%Reduced
1620 Investment Advisors, Inc.842$66.7K0.05%−42−4.8%Reduced
Ogorek Anthony Joseph849$67.0K0.02%−136−13.8%Reduced
LFA - Lugano Financial Advisors SA865$68.5K0.04%+77+9.8%Added
DiNuzzo Private Wealth, Inc.870$68.9K0.01%−34−3.8%Reduced
Curio Wealth, LLC874$69.2K0.03%+872+43,600.0%Added
Hopwood Financial Services, Inc.875$69.3K0.05%−75−7.9%Reduced
ORG Wealth Partners, LLC853$69.5K0.02%+222+35.2%Added
True Wealth Design, LLC883$69.9K0.02%+708+404.6%Added
Principia Wealth Advisory, LLC885$70.0K0.06%+52+6.2%Added
Capital A Wealth Management, LLC665$72.5K0.82%+115+20.9%Added
Richardson Financial Services Inc.893$73.0K0.05%+185+26.1%Added
Cherry Tree Wealth Management, LLC937$74.2K0.02%−398−29.8%Reduced
Proathlete Wealth Management LLC967$76.6K0.02%+11+1.2%Added
Iron Horse Wealth Management, LLC982$77.7K0.02%00.0%Unchanged
Ulland Investment Advisors, LLC983$78.0K0.06%00.0%Unchanged
Cornerstone National Bank & Trust Co1,000$79.2K0.03%00.0%Unchanged
Hughes Financial Services, LLC1,002$79.6K0.01%−10−1.0%Reduced
S&T Bank1,017$80.5K0.02%+93+10.1%Added
FSA Wealth Management LLC1,029$81.4K0.03%−42−3.9%Reduced
IAG Wealth Partners, LLC1,029$81.5K0.01%−665−39.3%Reduced
Whipplewood Advisors, LLC1,032$81.7K0.04%−347−25.2%Reduced
Centerpoint Advisors, LLC1,042$82.0K0.03%+7+0.7%Added
Dogwood Wealth Management LLC1,010$82.2K0.04%+170+20.2%Added
DecisionPoint Financial, LLC1,012$82.8K0.02%+12+1.2%Added
Montag & Caldwell, LLC1,052$83.3K0.02%00.0%Unchanged
Comprehensive Financial Planning, Inc.1,054$83.4K0.07%+2+0.2%Added
Bellwether Advisors, LLC1,058$83.8K0.01%00.0%Unchanged
Chapman Financial Group, LLC1,065$84.3K0.07%+1,065New
NVWM, LLC1,082$85.7K0.02%+627+137.8%Added
WPG Advisers, LLC1,123$88.9K0.07%−61−5.2%Reduced