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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
Rodgers Brothers Inc.88,945$6.92M1.32%−825−0.9%Reduced
Cutler Capital Management, LLC88,475$6.88M2.64%+17,095+23.9%Added
Carret Asset Management, LLC87,648$6.82M0.80%+5,893+7.2%Added
Wedbush Securities Inc87,619$6.81M0.32%+18,054+26.0%Added
ICICI Prudential Asset Management Co Ltd87,015$6.77M2.55%+29,313+50.8%Added
Core Alternative Capital86,906$6.76M1.57%+15,095+21.0%Added
First Nebraska Trust Co86,823$6.75M0.88%+2,175+2.6%Added
GHP Investment Advisors, Inc.86,731$6.75M0.54%+1,911+2.3%Added
Clearstead Advisors, LLC86,715$6.74M0.52%+882+1.0%Added
Ethic Inc.86,410$6.72M0.81%+32,687+60.8%Added
Park Avenue Securities LLC86,213$6.71M0.14%+2,606+3.1%Added
Cary Street Partners Asset Management LLC86,162$6.70M1.60%−150,150−63.5%Reduced
Geneos Wealth Management Inc.85,048$6.68M0.26%+33,351+64.5%Added
Vestmark Advisory Solutions, Inc.85,809$6.67M0.47%+5,162+6.4%Added
Beese Fulmer Investment Management, Inc.85,663$6.66M0.75%−259−0.3%Reduced
Naples Global Advisors, LLC85,655$6.66M0.93%+4,441+5.5%Added
Trust Co of Vermont85,495$6.65M0.46%+5,868+7.4%Added
Diversified Trust Co85,206$6.63M0.24%−5,705−6.3%Reduced
Rathbone Brothers plc84,997$6.61M0.07%+11,978+16.4%Added
Argyle Capital Management Inc.84,127$6.54M2.11%−350.0%Reduced
Cetera Advisors LLC83,841$6.52M0.15%+3,734+4.7%Added
WealthBridge Investment Counsel Inc.83,795$6.52M2.89%+3,075+3.8%Added
Sky Investment Group LLC83,654$6.51M1.47%+1,149+1.4%Added
Violich Capital Management, Inc.83,611$6.50M1.09%00.0%Unchanged
Marco Investment Management LLC83,469$6.49M0.75%+50+0.1%Added
CWA Asset Management Group, LLC83,155$6.49M0.53%+13,118+18.7%Added
SageGuard Financial Group, LLC83,136$6.47M2.94%−17,759−17.6%Reduced
Clifford Swan Investment Counsel LLC85,671$6.47M0.25%−300−0.3%Reduced
Principle Wealth Partners LLC82,751$6.44M0.73%−230.0%Reduced
Inscription Capital, LLC82,751$6.44M0.73%+54,067+188.5%Added
Usca Ria LLC81,214$6.32M0.38%+2,692+3.4%Added
Live Oak Private Wealth LLC81,117$6.31M1.39%+12,382+18.0%Added
Inlet Private Wealth, LLC81,020$6.30M1.65%+1,460+1.8%Added
Folger Nolan Fleming Douglas Capital Management, Inc80,462$6.26M0.72%+1,915+2.4%Added
Ashfield Capital Partners, LLC80,249$6.24M0.44%−2,779−3.3%Reduced
NJ State Employees Deferred Compensation Plan80,252$6.24M0.83%00.0%Unchanged
Canandaigua National Corp79,830$6.21M1.01%−299−0.4%Reduced
John G Ullman & Associates Inc79,423$6.18M0.80%−500−0.6%Reduced
Security National Bank79,413$6.18M1.63%+3,922+5.2%Added
Avantax Advisory Services, Inc.79,213$6.17M0.11%+6,306+8.6%Added
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH79,191$6.16M0.59%−6,544−7.6%Reduced
Cigna Investments Inc79,024$6.14M0.44%−12,070−13.3%Reduced
Oakwood Capital Management LLC78,976$6.14M1.58%−2,770−3.4%Reduced
Augustine Asset Management Inc78,723$6.12M3.16%−7,346−8.5%Reduced
Equitable Trust Co78,715$6.12M0.39%−4,211−5.1%Reduced
RPG Investment Advisory, LLC77,663$6.04M0.98%+1,808+2.4%Added
Jefferies Group LLC77,629$6.04M0.11%+40,674+110.1%Added
tru Independence LLC77,390$6.02M1.77%+518+0.7%Added
QV Investors Inc.77,260$6.01M0.37%+17,940+30.2%Added
Opus Investment Management Inc77,100$6.00M0.90%00.0%Unchanged
Sequoia Financial Advisors, LLC76,983$5.99M0.22%+16,930+28.2%Added
Adalta Capital Management LLC76,150$5.97M3.25%+50+0.1%Added
Sigma Planning Corp76,248$5.93M0.18%+2,733+3.7%Added
DuPont Capital Management Corp76,213$5.93M0.14%−14,793−16.3%Reduced
Keystone Financial Planning, Inc.75,735$5.89M2.13%+75,735New
Evergreen Capital Management LLC75,514$5.87M0.28%−2,215−2.8%Reduced
Guyasuta Investment Advisors Inc75,505$5.87M0.42%+3,355+4.7%Added
Rothschild Investment Corp75,426$5.87M0.47%−5,234−6.5%Reduced
Sectoral Asset Management Inc75,250$5.85M0.47%+75,250New
Beech Hill Advisors, Inc.74,948$5.83M2.37%−3,685−4.7%Reduced
Mirabella Financial Services LLP74,590$5.80M1.12%+55,129+283.3%Added
Brookstone Capital Management74,341$5.77M0.10%+16,966+29.6%Added
Pensionfund DSM Netherlands74,000$5.75M0.74%00.0%Unchanged
Corbenic Partners LLC73,267$5.75M1.51%+7,337+11.1%Added
Beacon Pointe Advisors, LLC73,791$5.74M0.20%+41,440+128.1%Added
Buffington Mohr McNeal73,734$5.73M1.12%+4,052+5.8%Added
BLB&B Advisors, LLC73,591$5.72M0.41%−1,602−2.1%Reduced
Bridgewater Associates, LP73,297$5.70M0.04%+73,297New
Boit C F David73,199$5.69M4.34%+73,199New
Vident Investment Advisory, LLC72,866$5.67M0.17%+18,532+34.1%Added
Trust Co of Virginia73,275$5.66M0.62%−410−0.6%Reduced
Founders Capital Management, LLC72,528$5.64M1.36%−13,751−15.9%Reduced
Icon Wealth Partners, LLC72,419$5.63M0.60%+13,225+22.3%Added
Providence Capital Advisors, LLC72,115$5.61M1.83%+4,258+6.3%Added
Bright Rock Capital Management, LLC72,000$5.60M1.35%+72,000New
Northwest Bancshares, Inc.71,979$5.60M1.27%+5,183+7.8%Added
FLC Capital Advisors71,533$5.56M1.64%+1,175+1.7%Added
IBM Retirement Fund71,387$5.55M0.44%−14,571−17.0%Reduced
Capital Fund Management S.A.71,386$5.55M0.15%+71,386New
Snowden Capital Advisors LLC71,318$5.55M0.28%+9,737+15.8%Added
Eliot Finkel Investment Counsel, LLC71,130$5.53M3.56%+180+0.3%Added
Zuckerman Investment Group, LLC71,109$5.53M0.87%+3,524+5.2%Added
Marble Harbor Investment Counsel, LLC71,042$5.53M0.71%−310−0.4%Reduced
Granite Investment Advisors, LLC70,543$5.49M0.86%+76+0.1%Added
One Capital Management, LLC70,535$5.49M0.49%+9,296+15.2%Added
World Asset Management Inc70,378$5.47M0.50%−1,116−1.6%Reduced
Avantax Planning Partners, Inc.70,347$5.47M0.26%+24,339+52.9%Added
Asset Advisors Investment Management, LLC69,698$5.42M0.60%−250−0.4%Reduced
Bonness Enterprises Inc69,500$5.41M2.72%00.0%Unchanged
Bank of Hawaii69,427$5.40M0.30%−4,175−5.7%Reduced
New England Asset Management Inc69,365$5.39M0.10%+1,300+1.9%Added
Buckingham Strategic Wealth, LLC69,350$5.39M0.13%+6,402+10.2%Added
Beach Investment Counsel Inc68,994$5.37M0.48%−1,500−2.1%Reduced
Game Creek Capital, LP68,750$5.35M2.88%+42,750+164.4%Added
Gluskin Sheff & Assoc Inc68,299$5.31M0.25%−1,409−2.0%Reduced
Northeast Investment Management68,187$5.30M0.29%−25,911−27.5%Reduced
Lincoln National Corp68,037$5.29M0.11%+7,258+11.9%Added
Sowell Financial Services LLC67,388$5.28M0.35%−47,745−41.5%Reduced
Exchange Capital Management, Inc.67,876$5.28M1.01%+2,465+3.8%Added
BTC Capital Management, Inc.67,988$5.28M0.60%−9,178−11.9%Reduced