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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 2021

Institutional positions in Merck & Co., Inc. as of Jun 30, 2021. 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
2,684
+22 vs. Q1 2021
Shares held
1.86B
+10.7M (+0.6%) vs. Q1 2021
Total value
$144.3B
+$2.07B (+1.5%) vs. Q1 2021
New holders
136
1,285 more added
Sold out
114
961 more reduced

31 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 2,684 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: 3,619 institutionsQ1 2025: 3,460 institutionsQ2 2025: 3,338 institutionsQ3 2025: 3,320 institutionsQ4 2025: 3,675 institutionsQ1 2026: 3,813 institutionsQ2 2026: 3,855 institutions
Value heldQ2 2021: $144.3B
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 20263,855$254.3B
Q1 20263,813$231.9B
Q4 20253,675$206.6B
Q3 20253,320$159.8B
Q2 20253,338$155.9B
Q1 20253,460$177.7B
Q4 20243,619$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 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2021.

Institutions holding MRK in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Compton Wealth Advisory Group, LLC12,392$964.0K0.45%+1,360+12.3%Added
Capital Asset Advisory Services LLC12,308$965.0K0.11%−895−6.8%Reduced
Port Capital LLC12,426$966.0K0.05%+72+0.6%Added
Weiss Multi-Strategy Advisers LLC12,465$969.0K0.02%+443+3.7%Added
Wealth Management Associates, Inc.12,483$970.8K0.55%−149−1.2%Reduced
Lumina Fund Management LLC12,500$972.0K0.47%00.0%Unchanged
Bremer Bank National Association12,512$973.0K0.21%−1,917−13.3%Reduced
GYL Financial Synergies, LLC12,521$974.0K0.50%+1,498+13.6%Added
Accredited Investors Inc.12,580$978.0K0.10%−37−0.3%Reduced
ETF Managers Group, LLC12,669$978.0K0.02%+3,458+37.5%Added
Gilman Hill Asset Management, LLC12,593$979.0K0.25%+1,292+11.4%Added
Stableford Capital II LLC12,619$981.0K0.47%+910+7.8%Added
Physicians Financial Services, Inc.12,670$985.0K0.40%−1,265−9.1%Reduced
Plancorp, LLC12,680$986.0K0.08%−171−1.3%Reduced
Segment Wealth Management, LLC12,691$987.0K0.12%+103+0.8%Added
NorthCoast Asset Management LLC12,688$987.0K0.04%+258+2.1%Added
Beacon Financial Advisory LLC12,743$991.0K0.53%+490+4.0%Added
Hardman Johnston Global Advisors LLC12,750$992.0K0.02%00.0%Unchanged
Legg Mason Asset Management (Japan) Co., Ltd.12,776$994.0K1.09%+1,290+11.2%Added
BCS Wealth Management12,799$995.0K0.53%+88+0.7%Added
Regal Investment Advisors LLC12,797$995.0K0.10%+12,797New
Global Retirement Partners, LLC12,823$997.0K0.10%−1,082−7.8%Reduced
Knuff & Co LLC12,845$999.0K0.37%−800−5.9%Reduced
Measured Wealth Private Client Group, LLC12,841$999.0K0.32%+1,320+11.5%Added
Spears Abacus Advisors LLC12,858$1.00M0.07%+245+1.9%Added
Burleson & Company, LLC12,878$1.00M0.15%−522−3.9%Reduced
Centaurus Financial, Inc.12,913$1.00M0.08%+1,078+9.1%Added
Ritholtz Wealth Management12,942$1.01M0.07%+1,883+17.0%Added
Auxano Advisors, LLC12,963$1.01M0.46%−310−2.3%Reduced
Exencial Wealth Advisors, LLC12,989$1.01M0.05%−307−2.3%Reduced
Aft, Forsyth & Sober, LLC13,000$1.01M0.38%00.0%Unchanged
HawsGoodwin Investment Management LLC13,027$1.01M0.31%+71+0.5%Added
Parallax Volatility Advisers, L.P.13,042$1.01M0.01%−148,444−91.9%Reduced
Pinnacle Wealth Management Advisory Group, LLC13,095$1.02M0.24%+93+0.7%Added
Fort, L.P.13,100$1.02M0.29%−6,131−31.9%Reduced
Parsec Financial Management, Inc.13,109$1.02M0.05%+44+0.3%Added
Navalign, LLC13,113$1.02M0.43%+409+3.2%Added
Wealth Enhancement & Preservation of GA, LLC13,143$1.02M0.75%+892+7.3%Added
Eos Management, L.P.13,160$1.02M0.54%00.0%Unchanged
Cadinha & Co LLC13,160$1.02M0.14%+615+4.9%Added
Bar Harbor Trust Services13,161$1.02M0.33%−422−3.1%Reduced
Henshaw Capital LLC13,169$1.02M0.06%00.0%Unchanged
Mizuho Securities USA LLC13,187$1.03M0.08%−10,659−44.7%Reduced
Cribstone Capital Management, LLC13,248$1.03M0.62%+434+3.4%Added
YHB Investment Advisors, Inc.13,316$1.04M0.09%+145+1.1%Added
Lantz Financial LLC13,328$1.04M0.53%+1,438+12.1%Added
Integrated Advisors Network LLC13,347$1.04M0.08%−13−0.1%Reduced
Cedar Wealth Management, LLC13,398$1.04M0.47%+2,384+21.6%Added
Altavista Wealth Management, Inc.13,438$1.04M0.23%−610−4.3%Reduced
IFG Advisory, LLC13,461$1.05M0.12%−147−1.1%Reduced
Summit Financial, LLC13,375$1.05M0.10%+13,375New
KCS Wealth Advisory13,523$1.05M0.50%+779+6.1%Added
Northwest Capital Management Inc13,721$1.05M0.59%+166+1.2%Added
Carlton Hofferkamp & Jenks Wealth Management, LLC13,537$1.06M0.45%+756+5.9%Added
Pinnacle Holdings, LLC13,619$1.06M0.49%+200+1.5%Added
Barry Investment Advisors, LLC13,544$1.06M0.28%+1,837+15.7%Added
Gamble Jones Investment Counsel13,699$1.06M0.07%−255−1.8%Reduced
Capital Advantage, Inc.13,688$1.06M0.28%−61−0.4%Reduced
Coastal Investment Advisors, Inc.13,749$1.07M0.25%+315+2.3%Added
GM Advisory Group, Inc.13,775$1.07M0.11%−2,956−17.7%Reduced
Aurora Private Wealth, Inc.13,809$1.07M0.43%+576+4.4%Added
Insight Wealth Strategies, LLC13,819$1.07M0.15%−3,917−22.1%Reduced
Bridgewater Advisors Inc.13,841$1.08M0.34%+460+3.4%Added
Madison Wealth Management13,844$1.08M0.24%+71+0.5%Added
CRA Financial Services, LLC13,885$1.08M0.38%+293+2.2%Added
Inverness Counsel LLC13,905$1.08M0.04%−2,302−14.2%Reduced
Franklin Street Advisors Inc13,918$1.08M0.09%+481+3.6%Added
Wealth Architects, LLC13,908$1.08M0.21%+1,947+16.3%Added
Sawtooth Solutions, LLC13,908$1.08M0.21%+3,341+31.6%Added
Diligent Investors, LLC13,921$1.08M0.37%−1,279−8.4%Reduced
CoreFirst Bank & Trust13,926$1.08M0.74%00.0%Unchanged
Waverton Investment Management Ltd14,000$1.09M0.04%−500−3.4%Reduced
Cornell Pochily Investment Advisors, Inc.14,003$1.09M0.48%+920+7.0%Added
XML Financial, LLC14,033$1.09M0.24%+154+1.1%Added
BOK Financial Private Wealth, Inc.14,029$1.09M0.09%+3,944+39.1%Added
Financial Sense Advisors, Inc.14,028$1.09M0.35%+4,107+41.4%Added
Dorchester Wealth Management Co14,058$1.09M0.25%−90−0.6%Reduced
Center for Financial Planning, Inc.14,090$1.10M0.27%+23+0.2%Added
BSW Wealth Partners14,129$1.10M0.30%+2,420+20.7%Added
Smith, Moore & Co.14,160$1.10M0.17%+1,548+12.3%Added
Bull Street Advisors, LLC14,190$1.10M0.59%00.0%Unchanged
Parkside Financial Bank & Trust14,199$1.10M0.32%−7,583−34.8%Reduced
Bridgefront Capital, LLC14,221$1.11M0.42%+14,221New
Valley National Advisers Inc14,250$1.11M0.20%+34+0.2%Added
RFG Advisory, LLC14,275$1.11M0.10%−773−5.1%Reduced
Levy Wealth Management Group, LLC14,292$1.11M0.64%+70.0%Added
Wealth Dimensions Group, Ltd.14,309$1.11M0.75%+274+2.0%Added
Independence Bank of Kentucky14,340$1.11M0.49%−460−3.1%Reduced
Cambridge Advisors Inc.14,479$1.13M0.27%−79−0.5%Reduced
Northstar Asset Management LLC14,498$1.13M0.30%−182−1.2%Reduced
Financial Advisory Service, Inc.14,526$1.13M0.11%+1,837+14.5%Added
Central Bank & Trust Co14,546$1.13M0.18%+184+1.3%Added
Cito Capital Group, LLC14,570$1.14M0.51%−378−2.5%Reduced
LVW Advisors, LLC14,786$1.15M0.20%+6,338+75.0%Added
Aspiriant, LLC14,809$1.15M0.07%+268+1.8%Added
Hoover Financial Advisors, Inc.14,820$1.15M0.21%+2,379+19.1%Added
Whalerock Point Partners, LLC14,848$1.15M0.44%00.0%Unchanged
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management14,857$1.16M0.07%+1,179+8.6%Added
Arvest Bank Trust Division14,935$1.16M0.06%+4,128+38.2%Added
St. Johns Investment Management Company, LLC14,974$1.17M0.63%+590+4.1%Added