Skip to main content

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
Payden & Rygel421,610$32.8M1.56%−2,200−0.5%Reduced
Texas Permanent School Fund420,648$32.7M0.38%−1,869−0.4%Reduced
Poplar Forest Capital LLC418,727$32.6M3.20%+28,246+7.2%Added
Welch & Forbes LLC416,921$32.4M0.55%−10,702−2.5%Reduced
Synovus Financial Corp416,673$32.4M0.32%−13,797−3.2%Reduced
Loring Wolcott & Coolidge Fiduciary Advisors LLP416,314$32.4M0.33%+47,971+13.0%Added
Whittier Trust Co408,709$31.8M0.57%+8,008+2.0%Added
Deprince Race & Zollo Inc405,596$31.5M0.80%+18,207+4.7%Added
Mackay Shields LLC399,374$31.1M0.29%−188,303−32.0%Reduced
Systematic Alpha Investments, LLC410,682$30.9M1.40%+87,837+27.2%Added
Public Sector Pension Investment Board396,928$30.9M0.19%−207,360−34.3%Reduced
Huntington National Bank394,641$30.7M0.31%+73,657+22.9%Added
S&CO Inc394,428$30.7M2.40%+507+0.1%Added
Ilmarinen Mutual Pension Insurance Co394,000$30.6M0.33%+16,000+4.2%Added
Silvercrest Asset Management Group LLC393,189$30.6M0.20%−3,540−0.9%Reduced
Alberta Investment Management Corp391,832$30.5M0.25%+110,532+39.3%Added
Becker Capital Management Inc390,871$30.4M1.29%−3,465−0.9%Reduced
Sabal Trust CO389,873$30.3M2.19%+11,190+3.0%Added
Westpac Banking Corp388,379$30.2M0.30%−12,863−3.2%Reduced
QS Investors, LLC386,999$30.1M0.36%+14,460+3.9%Added
Woodline Partners LP386,894$30.1M0.56%+101,539+35.6%Added
Cullen/Frost Bankers, Inc.385,338$30.0M0.60%+12,497+3.4%Added
Donaldson Capital Management, LLC383,595$29.8M1.53%+40,071+11.7%Added
Highland Capital Management, LLC379,811$29.5M1.77%−34,416−8.3%Reduced
ZWJ Investment Counsel Inc378,848$29.5M1.70%−15,442−3.9%Reduced
Bridgeway Capital Management, LLC378,335$29.4M0.53%+600+0.2%Added
CWM, LLC378,327$29.4M0.23%00.0%Unchanged
Colony Group LLC376,652$29.3M0.58%−334−0.1%Reduced
Kames Capital plc375,120$29.2M0.41%−29,256−7.2%Reduced
Rothschild & Co Asset Management US Inc.374,869$29.2M0.35%+1,412+0.4%Added
Lombard Odier Asset Management (Switzerland) SA374,559$29.1M1.48%+56,753+17.9%Added
Boussard & Gavaudan Investment Management LLP370,851$28.9M3.08%+124,793+50.7%Added
Cardinal Capital Management, Inc.371,009$28.9M1.56%+29,255+8.6%Added
United Capital Financial Advisers, LLC364,791$28.4M0.14%+9,582+2.7%Added
Teachers Retirement System of the State of Kentucky364,348$28.3M0.26%00.0%Unchanged
Alps Advisors Inc363,906$28.3M0.25%+18,232+5.3%Added
AIA Group Ltd365,730$28.2M1.94%+230,507+170.5%Added
Oppenheimer Asset Management Inc.361,090$28.1M0.40%+42,193+13.2%Added
Connor, Clark & Lunn Investment Management Ltd.360,200$28.0M0.14%−557,480−60.7%Reduced
CIBC World Markets Corp359,470$28.0M0.19%−10,466−2.8%Reduced
Meyer Handelman Co358,786$27.9M1.10%00.0%Unchanged
Black Creek Investment Management Inc.357,000$27.8M0.86%−90,000−20.1%Reduced
Prudential PLC355,451$27.6M0.26%−573,713−61.7%Reduced
Border to Coast Pensions Partnership Ltd352,933$27.6M0.96%+352,933New
Balyasny Asset Management LLC353,739$27.5M0.15%−343,171−49.2%Reduced
Boston Common Asset Management, LLC351,211$27.3M1.17%+32,080+10.1%Added
Kempen Capital Management N.V.350,059$27.2M0.97%+13,682+4.1%Added
MML Investors Services, LLC349,104$27.1M0.23%+31,041+9.8%Added
MUFG Securities EMEA plc348,000$27.1M0.29%+329,000+1,731.6%Added
Willis Investment Counsel346,029$26.9M1.59%−4,181−1.2%Reduced
Waters Parkerson & Co., LLC344,668$26.8M1.55%+8,298+2.5%Added
Assetmark, Inc344,442$26.8M0.12%−167,646−32.7%Reduced
Brown Brothers Harriman & Co342,674$26.6M0.16%−3,475−1.0%Reduced
IFM Investors Pty Ltd338,352$26.3M0.54%+59,923+21.5%Added
CORDA Investment Management, LLC.334,545$26.0M2.23%+17,065+5.4%Added
Klingenstein Fields & Co LP333,742$26.0M1.07%+3,215+1.0%Added
Bruce & Co., Inc.330,200$25.7M4.90%+3,300+1.0%Added
Mutual of America Capital Management LLC330,165$25.7M0.25%+2,603+0.8%Added
Vaughan David Investments LLC330,164$25.7M0.80%+16,848+5.4%Added
Cerity Partners LLC328,528$25.6M0.56%+7,291+2.3%Added
Panagora Asset Management Inc324,475$25.2M0.14%−89,554−21.6%Reduced
Smith Chas P & Associates Pa Cpas324,062$25.2M1.96%+11,168+3.6%Added
O'Shares Investment Advisers, LLC321,131$25.0M1.76%+8,639+2.8%Added
Thompson Siegel & Walmsley LLC321,035$25.0M0.34%+16,540+5.4%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys317,239$24.7M0.28%+779+0.2%Added
Davenport & Co LLC316,519$24.6M0.19%+45,109+16.6%Added
Norris Perne & French LLP315,705$24.6M2.12%+47,872+17.9%Added
Ingalls & Snyder LLC315,158$24.5M1.10%−3,837−1.2%Reduced
Grandfield & Dodd, LLC313,553$24.4M1.69%+7,171+2.3%Added
Private Wealth Partners, LLC309,806$24.1M2.23%+16,861+5.8%Added
Dearborn Partners LLC307,186$23.9M0.96%+1,129+0.4%Added
Tdam USA Inc.309,380$23.8M1.47%−10,840−3.4%Reduced
Metropolitan Life Insurance Co305,349$23.7M0.33%−120,183−28.2%Reduced
Berkshire Asset Management LLC302,864$23.6M1.59%+22,850+8.2%Added
Nissay Asset Management Corp301,969$23.5M0.21%+10,223+3.5%Added
Rhenman & Partners Asset Management AB300,000$23.3M1.58%+30,000+11.1%Added
HM Payson & Co298,663$23.2M0.57%−6,943−2.3%Reduced
Cannell Peter B & Co Inc296,968$23.1M0.69%+78,297+35.8%Added
Heritage Investors Management Corp295,918$23.0M0.96%+13,813+4.9%Added
Steward Partners Investment Advisory, LLC294,913$22.9M0.39%−74,480−20.2%Reduced
Capital Investment Advisors, LLC294,739$22.9M0.79%+22,893+8.4%Added
Raymond James Trust N.A.292,835$22.8M0.76%−6,570−2.2%Reduced
Davis R M Inc292,275$22.7M0.57%+356+0.1%Added
Captrust Financial Advisors289,241$22.7M0.21%−383,971−57.0%Reduced
Ci Investments Inc.291,005$22.6M0.08%+25,066+9.4%Added
Fort Washington Investment Advisors Inc289,451$22.5M0.20%−2,363−0.8%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd286,224$22.3M0.53%+19,305+7.2%Added
Rockland Trust Co285,097$22.2M1.53%+152,982+115.8%Added
Oppenheimer & Co Inc284,172$22.1M0.40%+19,254+7.3%Added
Private Advisor Group, LLC282,589$22.0M0.19%−3,271−1.1%Reduced
Advisors Capital Management, LLC281,900$21.9M0.70%+10,354+3.8%Added
Blackhill Capital Inc281,250$21.9M1.99%−6,000−2.1%Reduced
Hartford Investment Management Co280,579$21.8M0.54%−6,014−2.1%Reduced
Howard Capital Management Group, LLC277,946$21.6M2.03%+13,785+5.2%Added
Alpha Cubed Investments, LLC277,760$21.6M1.56%+13,769+5.2%Added
Brinker Capital Investments, LLC277,323$21.6M0.29%+81,399+41.5%Added
KLCM Advisors, Inc.274,385$21.3M4.72%+90,615+49.3%Added
Shell Asset Management Co272,569$21.2M0.41%−10,873−3.8%Reduced
First Manhattan Co267,506$20.8M0.08%+6,812+2.6%Added
Achmea Investment Management B.V.262,427$20.4M0.70%−66,119−20.1%Reduced