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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
1,539 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: 2,961 institutionsQ2 2022: 3,019 institutionsQ3 2022: 2,996 institutionsQ4 2022: 3,243 institutionsQ1 2023: 3,187 institutionsQ2 2023: 3,261 institutionsQ3 2023: 3,221 institutionsQ4 2023: 3,443 institutionsQ1 2024: 3,546 institutionsQ2 2024: 3,557 institutionsQ3 2024: 3,501 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 20243,501$221.8B
Q2 20243,557$242.3B
Q1 20243,546$256.9B
Q4 20233,443$211.6B
Q3 20233,221$197.7B
Q2 20233,261$222.8B
Q1 20233,187$205.1B
Q4 20223,243$212.2B
Q3 20222,996$162.7B
Q2 20223,019$171.5B
Q1 20222,961$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
Eley Financial Management, Inc15,360$1.22M0.47%+484+3.3%Added
LM Advisors LLC15,401$1.22M0.16%−11,547−42.8%Reduced
LOM Asset Management Ltd15,400$1.22M0.41%+15,400New
Kamunting Street Capital Management, L.P.15,410$1.22M1.00%+15,410New
PBMares Wealth Management LLC15,461$1.22M0.22%+43+0.3%Added
St. Louis Trust Co15,488$1.23M0.16%00.0%Unchanged
Martin & Co Inc15,488$1.23M0.23%−39−0.3%Reduced
Deseret Mutual Benefit Administrators15,496$1.23M0.57%00.0%Unchanged
Proficio Capital Partners LLC15,498$1.23M0.08%−612−3.8%Reduced
Cascade Financial Partners, LLC15,569$1.23M0.15%+104+0.7%Added
PDS Planning, Inc15,593$1.23M0.09%−1,174−7.0%Reduced
Grove Bank & Trust15,595$1.23M0.15%−1,502−8.8%Reduced
Borer Denton & Associates, Inc.15,624$1.24M0.43%−100−0.6%Reduced
Scott & Selber, Inc.15,626$1.24M0.34%+141+0.9%Added
Balyasny Asset Management LLC15,633$1.24M0.00%−123,806−88.8%Reduced
Good Life Advisors, LLC15,663$1.24M0.08%+4,141+35.9%Added
Baker Chad R15,700$1.24M0.23%00.0%Unchanged
Van Hulzen Asset Management, LLC15,702$1.24M0.10%−409−2.5%Reduced
YANKCOM Partnership15,713$1.24M0.61%+698+4.6%Added
Umpqua Bank15,311$1.25M0.38%−526−3.3%Reduced
Gold Investment Management Ltd.15,461$1.25M0.47%+122+0.8%Added
SPC Financial, Inc.15,786$1.25M0.10%−4,577−22.5%Reduced
VCI Wealth Management LLC15,799$1.25M0.44%+2,430+18.2%Added
Pitcairn Co15,815$1.25M0.08%−2,889−15.4%Reduced
Telos Capital Management, Inc.15,848$1.25M0.13%+1,071+7.2%Added
CoreCap Advisors, LLC15,909$1.26M0.05%+1,791+12.7%Added
Stance Capital LLC15,910$1.26M0.47%+15,910New
Home Federal Bank of Tennessee15,940$1.26M0.36%00.0%Unchanged
MCF Advisors LLC15,826$1.26M0.08%+513+3.4%Added
Krilogy Financial LLC16,022$1.27M0.07%+16,022New
Eisler Capital Management Ltd.16,034$1.27M0.04%−40,076−71.4%Reduced
Thurston, Springer, Miller, Herd & Titak, Inc.16,081$1.27M0.16%+3,141+24.3%Added
Atlas Brown,Inc.16,138$1.28M0.41%+143+0.9%Added
Windsor Capital Management, LLC16,147$1.28M0.37%−519−3.1%Reduced
Csenge Advisory Group16,656$1.28M0.07%+232+1.4%Added
BCS Wealth Management16,260$1.29M0.28%+346+2.2%Added
Affinity Investment Advisors, LLC16,268$1.29M0.97%−260−1.6%Reduced
Richards, Merrill & Peterson, Inc.16,289$1.29M0.61%+24+0.1%Added
Meridian Financial, LLC16,295$1.29M0.83%−100−0.6%Reduced
Paradigm Financial Partners, LLC16,308$1.29M0.14%+2,212+15.7%Added
Evermay Wealth Management LLC16,270$1.30M0.16%+305+1.9%Added
Convergence Investment Partners, LLC16,414$1.30M0.33%−126−0.8%Reduced
Kavar Capital Partners Group, LLC16,431$1.30M0.19%−99−0.6%Reduced
Ascent Group, LLC16,467$1.30M0.05%−38,049−69.8%Reduced
Nicholas Hoffman & Company, LLC.16,477$1.30M0.03%+114+0.7%Added
Wealth Alliance16,481$1.30M0.15%+1,002+6.5%Added
Harbor Investment Advisory, LLC16,508$1.31M0.12%−3,301−16.7%Reduced
Opinicus Capital, Inc.16,509$1.31M0.99%+1,654+11.1%Added
Founders Financial Alliance, LLC16,564$1.31M0.30%−1,284−7.2%Reduced
Flavin Financial Services, Inc.16,571$1.31M1.27%−975−5.6%Reduced
Thoroughbred Financial Services, LLC16,608$1.31M0.09%−10,504−38.7%Reduced
Graves-Light Private Wealth Management, Inc.16,618$1.32M0.16%+1,489+9.8%Added
Sax Wealth Advisors, LLC16,626$1.32M0.08%+8,227+98.0%Added
Whalerock Point Partners, LLC16,690$1.32M0.29%+200+1.2%Added
Wealthquest Corp16,692$1.32M0.10%+189+1.1%Added
St. Johns Investment Management Company, LLC16,695$1.32M0.61%+275+1.7%Added
Aull & Monroe Investment Management Corp16,711$1.32M0.71%−720−4.1%Reduced
Fox Run Management, L.L.C.16,761$1.33M0.22%+8,725+108.6%Added
Aspiriant, LLC16,790$1.33M0.04%+1,696+11.2%Added
EverSource Wealth Advisors, LLC16,796$1.33M0.06%+2,720+19.3%Added
Ransom Advisory, Ltd16,823$1.33M0.63%−100−0.6%Reduced
NWF Advisory Services Inc.16,850$1.33M0.16%+8,777+108.7%Added
Ascent Wealth Partners, LLC16,874$1.34M0.16%−1,120−6.2%Reduced
Diligent Investors, LLC16,905$1.34M0.32%−370−2.1%Reduced
Avestar Capital, LLC16,813$1.34M0.10%+2,954+21.3%Added
Harbour Investments, Inc.16,945$1.34M0.03%−1,006−5.6%Reduced
Bernardo Wealth Planning LLC17,004$1.35M0.29%+132+0.8%Added
Sentinel Trust Co Lba17,014$1.35M0.15%+10+0.1%Added
Gables Capital Management Inc.17,027$1.35M0.64%−1,850−9.8%Reduced
Visionary Wealth Advisors17,049$1.35M0.07%+4,458+35.4%Added
Wealth Dimensions Group, Ltd.17,057$1.35M0.30%−1,093−6.0%Reduced
LeClair Wealth Partners LLC17,120$1.36M0.92%−352−2.0%Reduced
Kennebec Savings Bank17,141$1.36M1.33%+706+4.3%Added
Oak Associates, Ltd17,168$1.36M0.09%00.0%Unchanged
Peak Retirement Planning, Inc.17,197$1.36M0.55%+6,164+55.9%Added
Legato Capital Management LLC17,240$1.36M0.16%+1,837+11.9%Added
Signet Investment Advisory Group, Inc.17,244$1.37M0.70%+155+0.9%Added
Cape Cod Five Cents Savings Bank12,031$1.37M0.13%00.0%Unchanged
Inman Jager Wealth Management, LLC17,272$1.37M0.92%+1,811+11.7%Added
Cordatus Wealth Management LLC17,287$1.37M0.34%−9,760−36.1%Reduced
Cypress Asset Management Inc17,325$1.37M0.33%+848+5.1%Added
Canandaigua National Trust Co of Florida17,328$1.37M0.98%+7,001+67.8%Added
Matrix Trust Co17,409$1.38M0.22%+792+4.8%Added
High Net Worth Advisory Group LLC17,421$1.38M0.37%−2,319−11.7%Reduced
Sit Investment Associates Inc17,523$1.39M0.03%−83,643−82.7%Reduced
Prudent Man Advisors, LLC17,523$1.39M0.44%+2,989+20.6%Added
Fiduciary Alliance LLC17,537$1.39M0.10%−48,271−73.4%Reduced
Lecap Asset Management Ltd17,574$1.39M0.49%−6,278−26.3%Reduced
Creative Financial Designs Inc17,578$1.39M0.10%+1,482+9.2%Added
JT Stratford LLC17,615$1.39M0.21%−1,043−5.6%Reduced
Kendall Capital Management17,692$1.40M0.37%−1,165−6.2%Reduced
Garrison Point Advisors, LLC17,693$1.40M0.64%+10.0%Added
Brady Martz Wealth Solutions, LLC17,745$1.40M0.27%−58−0.3%Reduced
LaSalle St. Investment Advisors, LLC17,791$1.41M0.39%−413−2.3%Reduced
Investors Asset Management of Georgia Inc17,791$1.41M0.65%−506−2.8%Reduced
Gen-Wealth Partners Inc17,802$1.41M0.54%+2,364+15.3%Added
Cornerstone Select Advisors, LLC17,813$1.41M1.24%+757+4.4%Added
Paragon Capital Management Inc17,863$1.41M1.08%−125−0.7%Reduced
West Paces Advisors Inc.17,866$1.41M0.30%−3,216−15.3%Reduced
BTG Pactual Asset Management US LLC17,879$1.42M0.19%+1,922+12.0%Added