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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, Q3 2021

Institutional positions in Merck & Co., Inc. as of Sep 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
2,658
+15 vs. Q2 2021
Shares held
1.85B
−4.78M (−0.3%) vs. Q2 2021
Total value
$138.8B
−$5.04B (−3.5%) vs. Q2 2021
New holders
116
1,243 more added
Sold out
101
978 more reduced

41 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 2,658 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 heldQ3 2021: $138.8B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2021.

Institutions holding MRK in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Bangor Savings Bank6,186$464.0K0.05%−124−2.0%Reduced
Summit Financial Strategies, Inc.6,174$464.0K0.10%+247+4.2%Added
Main Street Research LLC6,198$466.0K0.04%+400+6.9%Added
RMR Wealth Builders6,159$467.0K0.14%−2,751−30.9%Reduced
Ami Asset Management Corp6,222$467.0K0.02%+44+0.7%Added
Coerente Capital Management6,235$468.0K0.10%00.0%Unchanged
Patron Partners Advisors, LLC6,240$468.0K0.34%+333+5.6%Added
Chesapeake Wealth Management6,236$469.0K0.17%−825−11.7%Reduced
Princeton Capital Management LLC6,264$470.0K0.15%+50+0.8%Added
Copperwynd Financial, LLC6,253$470.0K0.19%+243+4.0%Added
Pennsylvania Capital Management Inc5,800$471.0K0.21%−341−5.6%Reduced
Evanson Asset Management, LLC6,096$471.0K0.05%+13+0.2%Added
Fragasso Group Inc.6,285$472.0K0.06%−123−1.9%Reduced
Sugarloaf Wealth Management, LLC6,284$472.0K0.12%+10+0.2%Added
Old North State Trust, LLC6,278$472.0K0.42%00.0%Unchanged
Waddell & Associates, LLC6,298$473.0K0.08%+30.0%Added
Badgley Phelps Wealth Managers, LLC6,328$475.0K0.02%+6,328New
Paulson Wealth Management Inc.6,341$476.0K0.23%−154−2.4%Reduced
Wells Trecaso Financial Group, LLC6,343$476.0K0.23%−100−1.6%Reduced
First National Bank Sioux Falls6,349$477.0K0.80%00.0%Unchanged
Moseley Investment Management Inc5,854$477.0K0.24%+464+8.6%Added
Deroy & Devereaux Private Investment Counsel Inc6,368$478.0K0.04%−130,623−95.4%Reduced
Stableford Capital II LLC6,114$479.0K0.24%−6,505−51.5%Reduced
Lindbrook Capital, LLC6,380$479.0K0.13%−30.0%Reduced
Clearview Wealth Advisors LLC6,401$481.0K0.30%+544+9.3%Added
Ssi Investment Management LLC6,402$482.0K0.03%00.0%Unchanged
Alhambra Investment Partners LLC6,411$482.0K0.37%00.0%Unchanged
Lumbard & Kellner, LLC6,426$483.0K0.19%00.0%Unchanged
Transform Wealth, LLC6,448$484.0K0.06%−745−10.4%Reduced
Bender Robert & Associates6,442$484.0K0.14%+50+0.8%Added
Terry L. Blaker6,473$486.0K0.03%00.0%Unchanged
Hummer Financial Advisory Services Inc6,423$486.0K0.45%00.0%Unchanged
Vivaldi Capital Management, LLC6,475$486.0K0.11%00.0%Unchanged
Principal Street Partners, LLC6,436$486.0K0.13%+229+3.7%Added
Ferris Capital, LLC5,789$486.0K0.10%+5,789New
Lawson Kroeker Investment Management Inc6,500$488.0K0.16%−3,500−35.0%Reduced
SignalPoint Asset Management, LLC6,501$488.0K0.16%−285−4.2%Reduced
United Asset Strategies, Inc.6,500$488.0K0.06%+50+0.8%Added
Boyar Asset Management Inc.6,513$489.0K0.32%+553+9.3%Added
Collective Family Office LLC6,529$490.0K0.21%−276−4.1%Reduced
Traphagen Investment Advisors LLC6,553$492.2K0.09%+11+0.2%Added
Baldwin Investment Management, LLC6,562$493.0K0.09%−200−3.0%Reduced
SRN Advisors, LLC6,569$493.4K0.23%−11,179−63.0%Reduced
Barr E S & Co6,575$494.0K0.04%−296−4.3%Reduced
Freedom Day Solutions, LLC6,585$495.0K0.23%−4,029−38.0%Reduced
Concentric Wealth Management, LLC6,600$496.0K0.15%−330−4.8%Reduced
Continuum Advisory, LLC6,603$496.0K0.13%+541+8.9%Added
Gryphon Financial Partners LLC6,618$497.0K0.12%−666−9.1%Reduced
MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH6,625$498.0K0.09%−72,566−91.6%Reduced
Close Asset Management Ltd6,629$498.0K0.02%+990+17.6%Added
Greenwich Wealth Management LLC6,632$498.0K0.04%+2,077+45.6%Added
Capital Advisors Inc6,689$502.0K0.01%−6−0.1%Reduced
Vigilant Capital Management, LLC6,683$502.0K0.04%+344+5.4%Added
Octavia Wealth Advisors, LLC6,718$508.0K0.13%−166−2.4%Reduced
Zevin Asset Management LLC6,762$508.0K0.10%+56+0.8%Added
Pointe Capital Management LLC6,765$508.0K0.35%+1,784+35.8%Added
Scharf Investments, LLC6,806$511.0K0.02%+1,149+20.3%Added
Analyst IMS Investment Management Services Ltd.6,810$512.0K0.06%+240+3.7%Added
Galvin, Gaustad & Stein, LLC6,841$514.0K0.05%−184,884−96.4%Reduced
IFG Advisors, LLC6,915$519.0K0.24%+30+0.4%Added
Smith & Howard Wealth Management, LLC6,931$521.0K0.25%+42+0.6%Added
44 Wealth Management LLC6,979$524.0K0.20%+2,141+44.3%Added
Claudia M.P. Batlle, CRP (R) LLC7,000$526.0K0.25%−648−8.5%Reduced
Successful Portfolios LLC7,005$526.0K0.31%−120−1.7%Reduced
Woodward Diversified Capital, LLC7,002$526.0K0.33%+48+0.7%Added
Dillon & Associates Inc7,071$530.0K0.10%−4,792−40.4%Reduced
Valley Brook Capital Group7,070$531.0K0.53%−100−1.4%Reduced
Zhang Financial LLC7,089$532.0K0.12%+3,001+73.4%Added
Lake Street Financial LLC7,095$533.0K0.13%+161+2.3%Added
Unio Capital LLC7,125$535.0K0.24%−927−11.5%Reduced
Summit Financial Group Inc7,147$537.0K0.19%00.0%Unchanged
Nadler Financial Group, Inc.7,156$537.0K0.09%+10+0.1%Added
McRae Capital Management Inc7,172$539.0K0.12%−263−3.5%Reduced
Oxler Private Wealth LLC7,200$540.0K0.24%−132−1.8%Reduced
Iron Financial, LLC7,208$541.0K0.26%+7,208New
Samalin Investment Counsel, LLC7,218$542.0K0.35%+242+3.5%Added
SkyView Investment Advisors, LLC7,217$542.0K0.15%+1,022+16.5%Added
Ausdal Financial Partners, Inc.7,230$543.0K0.08%−43−0.6%Reduced
Optimum Investment Advisors7,270$546.0K0.23%−1,786−19.7%Reduced
Fort Point Capital Partners LLC7,275$546.0K0.08%+630+9.5%Added
Trust Co of Oklahoma7,290$547.6K0.20%+200+2.8%Added
Systematic Financial Management LP7,300$548.0K0.02%00.0%Unchanged
Eldridge Investment Advisors, Inc.7,292$548.0K0.20%+6+0.1%Added
Mirador Capital Partners LP7,301$548.0K0.12%+85+1.2%Added
Groesbeck Investment Management Corp7,328$550.0K0.64%−1,191−14.0%Reduced
Professional Advisory Services Inc7,322$550.0K0.08%00.0%Unchanged
Bingham Osborn & Scarborough LLC7,330$551.0K0.04%−1,229−14.4%Reduced
King Wealth7,334$551.0K0.11%+30.0%Added
E Fund Management Co., Ltd.7,276$551.0K0.02%+7,276New
Virtue Capital Management, LLC7,357$553.0K0.10%−391−5.0%Reduced
Stonehage Fleming Financial Services Holdings Ltd7,379$554.0K0.02%−1,000−11.9%Reduced
Staley Capital Advisers Inc7,409$556.0K0.03%00.0%Unchanged
Beacon Financial Group7,405$556.0K0.08%+105+1.4%Added
Detalus Advisors, LLC7,421$557.0K0.28%+62+0.8%Added
Sunburst Financial Group, LLC7,439$559.0K0.35%+18+0.2%Added
Bessemer Securities LLC7,450$560.0K0.19%00.0%Unchanged
Geller Advisors LLC7,388$560.0K0.12%+512+7.4%Added
Townsend Asset Management Corp7,471$561.0K0.30%−249−3.2%Reduced
Jacobs Levy Equity Management, Inc7,470$561.0K0.00%+1,005+15.5%Added
Phoenix Wealth Advisors7,479$562.0K0.42%+508+7.3%Added