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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
Exane Derivatives53,478$4.15M0.97%+2,036+4.0%Added
Intersect Capital LLC53,340$4.15M0.73%−1,472−2.7%Reduced
Annex Advisory Services, LLC53,326$4.14M0.34%+5,023+10.4%Added
Allstate Corp53,210$4.14M0.14%+525+1.0%Added
Kistler-Tiffany Companies, LLC53,128$4.13M0.95%+361+0.7%Added
Newman Dignan & Sheerar, Inc.52,920$4.12M1.40%+456+0.9%Added
Investment Management of Virginia LLC52,862$4.11M0.79%+491+0.9%Added
Rossmore Private Capital52,556$4.09M0.70%−130.0%Reduced
Richard Bernstein Advisors LLC52,515$4.08M0.08%00.0%Unchanged
Fort Sheridan Advisors LLC52,385$4.07M1.36%+8,420+19.2%Added
Community Bank & Trust, Waco, Texas52,300$4.07M1.33%−2,523−4.6%Reduced
SeaCrest Wealth Management, LLC52,291$4.07M0.49%+8,339+19.0%Added
Cypress Capital Group52,242$4.06M0.55%−240.0%Reduced
Wendell David Associates Inc51,902$4.04M0.45%−225−0.4%Reduced
Ipswich Investment Management Co., Inc.51,900$4.04M1.03%+1,060+2.1%Added
Roundview Capital LLC51,886$4.04M0.45%−779−1.5%Reduced
Beacon Harbor Wealth Advisors, Inc.51,708$4.02M1.44%+6,630+14.7%Added
Glenview State Bank Trust Dept.51,559$4.01M1.23%+600+1.2%Added
SevenBridge Financial Group, LLC51,256$3.99M1.30%+1,809+3.7%Added
Claybrook Capital, LLC51,256$3.99M1.30%+31,756+162.9%Added
North Star Investment Management Corp.51,228$3.98M0.32%+8,741+20.6%Added
Hendley & Co Inc50,989$3.96M1.33%−200−0.4%Reduced
Ropes Wealth Advisors LLC50,798$3.95M0.63%+3,352+7.1%Added
DF Dent & Co Inc50,794$3.95M0.04%−117−0.2%Reduced
Jacobi Capital Management LLC50,739$3.95M0.52%+5,107+11.2%Added
Valeo Financial Advisors, LLC69,340$3.94M0.24%+5,878+9.3%Added
Raab & Moskowitz Asset Management LLC50,562$3.93M1.44%+2,922+6.1%Added
Pensionfund Sabic50,500$3.93M0.84%+1,500+3.1%Added
Caldwell Trust Co50,483$3.93M0.51%+2,469+5.1%Added
Stokes Capital Advisors, LLC50,371$3.92M1.28%+1,858+3.8%Added
Clear Street Markets LLC50,274$3.91M0.83%−7,626−13.2%Reduced
Arrow Financial Corp50,247$3.91M0.50%−8,822−14.9%Reduced
Baugh & Associates, LLC50,114$3.90M2.42%−460−0.9%Reduced
Philadelphia Trust Co50,097$3.90M0.27%−1,101−2.2%Reduced
HighTower Trust Services, LTA50,016$3.89M0.48%−7,471−13.0%Reduced
Stratos Wealth Advisors, LLC49,957$3.88M0.34%+5,351+12.0%Added
Conning Inc.49,915$3.88M0.11%−3,819−7.1%Reduced
Jag Capital Management, LLC49,826$3.88M0.30%+40+0.1%Added
Citizens National Bank Trust Department49,370$3.84M1.10%+7,710+18.5%Added
Cadence Bank NA49,084$3.82M1.14%−440−0.9%Reduced
Telos Capital Management, Inc.48,917$3.80M0.50%−1,446−2.9%Reduced
Sompo Asset Management Co., Ltd.48,810$3.80M0.78%+13,320+37.5%Added
A. D. Beadell Investment Counsel, Inc.48,756$3.79M2.40%+247+0.5%Added
Independent Advisor Alliance48,433$3.77M0.21%+9,869+25.6%Added
PKO Investment Management Joint-Stock Co48,382$3.76M0.47%+25,519+111.6%Added
First National Bank of Mount Dora, Trust Investment Services48,338$3.76M1.24%−335−0.7%Reduced
Sandy Spring Bank48,184$3.75M0.20%−912−1.9%Reduced
Alerus Financial NA48,129$3.74M0.38%+3,203+7.1%Added
First Financial Bank - Trust Division48,028$3.73M0.41%−1,879−3.8%Reduced
Brooks, Moore & Associates, Inc.48,012$3.73M2.38%+6,272+15.0%Added
Ninety One SA (PTY) Ltd47,777$3.72M1.36%+20,291+73.8%Added
Great Valley Advisor Group, Inc.47,984$3.72M0.27%−313−0.6%Reduced
Comerica Securities,inc.47,257$3.71M0.28%−12,193−20.5%Reduced
Boenning & Scattergood, Inc.47,414$3.69M0.64%−896−1.9%Reduced
Lehman & Derafelo Financial Resources LLC47,360$3.68M1.01%−748−1.6%Reduced
Homrich & Berg47,345$3.68M0.09%+2,733+6.1%Added
Marathon Capital Management47,304$3.68M0.85%+34,115+258.7%Added
Rowland & Co Investment Counsel47,117$3.66M0.90%+55+0.1%Added
Clough Capital Partners L P47,000$3.65M0.20%−183,300−79.6%Reduced
WealthTrust Axiom LLC46,938$3.65M1.17%+600+1.3%Added
Greylin Investment Mangement Inc46,890$3.65M0.71%+100.0%Added
Mid Atlantic Financial Management Inc46,864$3.65M0.25%−2,160−4.4%Reduced
Coastline Trust Co46,720$3.63M0.45%−790−1.7%Reduced
Abbrea Capital, LLC46,221$3.62M0.54%+686+1.5%Added
Jackson Hole Capital Partners, LLC46,172$3.59M1.25%+41,077+806.2%Added
Wilbanks Smith & Thomas Asset Management LLC46,112$3.59M0.14%−79,696−63.3%Reduced
Sound View Wealth Advisors Group, LLC46,028$3.58M0.75%−3,195−6.5%Reduced
Hartford Financial Management Inc.45,779$3.56M0.88%+2,215+5.1%Added
IndexIQ Advisors LLC45,742$3.56M0.12%+1,319+3.0%Added
Red Spruce Capital, LLC45,721$3.56M2.10%+1,857+4.2%Added
J.W. Cole Advisors, Inc.45,680$3.55M0.28%+6,273+15.9%Added
Schmidt P J Investment Management Inc45,669$3.54M0.71%−4,125−8.3%Reduced
Nan Fung Trinity (HK) Ltd45,450$3.53M0.74%00.0%Unchanged
Personal Cfo Solutions, LLC45,204$3.52M0.72%+377+0.8%Added
Leavell Investment Management, Inc.45,181$3.51M0.29%00.0%Unchanged
Cox Capital Mgt LLC45,145$3.51M2.35%+2,094+4.9%Added
Poehling Capital Management, LLC45,050$3.50M1.12%+1,677+3.9%Added
Hudson Bay Capital Management LP45,000$3.50M0.04%+45,000New
Keeler Thomas Management LLC44,988$3.50M1.71%−2,380−5.0%Reduced
Level Four Advisory Services, LLC44,978$3.50M0.24%+6,587+17.2%Added
Ramsay, Stattman, Vela & Price, Inc.44,835$3.49M0.86%−390−0.9%Reduced
Budros, Ruhlin & Roe, Inc.44,835$3.49M0.38%+3,225+7.8%Added
Biltmore Family Office, LLC44,450$3.49M0.99%+294+0.7%Added
Private Trust Co NA44,810$3.48M0.53%−1,265−2.7%Reduced
Ancora Advisors, LLC44,789$3.48M0.09%−1,761−3.8%Reduced
Harrell Investment Partners, LLC44,783$3.48M1.13%+2,940+7.0%Added
Stock Yards Bank & Trust Co44,662$3.47M0.22%+175+0.4%Added
Synergy Financial Management, LLC44,608$3.47M0.92%−2,467−5.2%Reduced
L & S Advisors Inc44,495$3.46M0.37%−95−0.2%Reduced
Mogy Joel R Investment Counsel Inc44,425$3.46M0.29%00.0%Unchanged
Howland Capital Management LLC44,193$3.44M0.18%−1,262−2.8%Reduced
Trustmark National Bank Trust Department44,165$3.44M0.27%−2,693−5.7%Reduced
Cornerstone Wealth Group, LLC44,583$3.44M0.70%+41,810+1,507.8%Added
Washington Trust Co44,147$3.43M0.10%−856−1.9%Reduced
Semper Augustus Investments Group LLCSuperinvestorSemper Augustus44,073$3.43M1.14%00.0%Unchanged
First Quadrant L P43,935$3.42M0.39%−1,326−2.9%Reduced
AdvisorNet Financial, Inc43,912$3.42M0.23%+632+1.5%Added
Crescent Capital Consulting, LLC43,747$3.40M0.64%−1,245−2.8%Reduced
Chilton Capital Management LLC43,713$3.40M0.20%+4,816+12.4%Added
Sabadell Asset Management, S.A S.G.I.I.C43,689$3.40M0.59%+43,689New