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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, Q4 2021

Institutional positions in Merck & Co., Inc. as of Dec 31, 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
2,910
+294 vs. Q3 2021
Shares held
1.85B
+9.41M (+0.5%) vs. Q3 2021
Total value
$142.2B
+$3.54B (+2.6%) vs. Q3 2021
New holders
388
1,257 more added
Sold out
94
961 more reduced

42 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 2,910 institutions
Q1 2021: 2,693 institutionsQ2 2021: 2,684 institutionsQ3 2021: 2,658 institutionsQ4 2021: 2,910 institutionsQ1 2022: 2,961 institutionsQ2 2022: 3,019 institutionsQ3 2022: 2,996 institutionsQ4 2022: 3,243 institutionsQ1 2023: 3,187 institutionsQ2 2023: 3,261 institutionsQ3 2023: 3,221 institutionsQ4 2023: 3,443 institutionsQ1 2024: 3,546 institutionsQ2 2024: 3,557 institutionsQ3 2024: 3,501 institutionsQ4 2024: 3,618 institutionsQ1 2025: 3,459 institutionsQ2 2025: 3,337 institutionsQ3 2025: 3,319 institutionsQ4 2025: 3,674 institutionsQ1 2026: 3,812 institutionsQ2 2026: 3,855 institutions
Value heldQ4 2021: $142.2B
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 20263,812$231.9B
Q4 20253,674$206.6B
Q3 20253,319$159.8B
Q2 20253,337$155.9B
Q1 20253,459$177.7B
Q4 20243,618$196.9B
Q3 20243,501$221.8B
Q2 20243,557$242.3B
Q1 20243,546$256.9B
Q4 20233,443$211.6B
Q3 20233,221$197.7B
Q2 20233,261$222.8B
Q1 20233,187$205.1B
Q4 20223,243$212.2B
Q3 20222,996$162.7B
Q2 20223,019$171.5B
Q1 20222,961$152.1B
Q4 20212,910$142.2B
Q3 20212,658$138.8B
Q2 20212,684$144.3B
Q1 20212,693$143.2B

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2021.

Institutions holding MRK in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Oxbow Advisors, LLC124,152$9.52M0.91%−1,146−0.9%Reduced
M&R Capital Management Inc123,995$9.50M1.97%−3,533−2.8%Reduced
Beacon Investment Advisory Services, Inc.123,673$9.48M0.37%−1,027−0.8%Reduced
Farmers & Merchants Investments Inc123,600$9.47M0.35%+2,092+1.7%Added
American Assets Investment Management, LLC123,000$9.43M1.02%00.0%Unchanged
Majedie Asset Management Ltd122,348$9.39M0.71%−23,311−16.0%Reduced
Stonebridge Capital Advisors LLC122,308$9.37M1.04%+1,519+1.3%Added
Central Trust Co120,946$9.27M0.26%−1,951−1.6%Reduced
Seven Eight Capital, LP120,204$9.21M1.65%+120,204New
AlphaCrest Capital Management LLC120,019$9.20M0.34%+108,754+965.4%Added
Bizma Investimentos Ltda120,000$9.20M5.39%00.0%Unchanged
ARS Investment Partners, LLC119,882$9.19M0.84%+3,102+2.7%Added
Community Bank, N.A.118,967$9.12M1.05%−8,198−6.4%Reduced
Castleview Partners, LLC697,270$9.10M0.08%+697,270New
Park National Corp118,665$9.09M0.35%−7,259−5.8%Reduced
Barrett Asset Management, LLC118,451$9.08M0.34%+11,443+10.7%Added
Curi Capital117,243$8.98M1.55%+117,243New
Hoylecohen, LLC117,201$8.98M0.75%+4,042+3.6%Added
1832 Asset Management L.P.114,988$8.94M0.02%−161,079−58.3%Reduced
Simmons Bank115,435$8.85M0.62%−1,918−1.6%Reduced
Evercore Wealth Management, LLC114,895$8.80M0.14%−1,020−0.9%Reduced
Congress Wealth Management LLC114,869$8.80M0.18%+114,869New
Privium Fund Management B.V.113,156$8.73M1.74%+113,156New
Jefferies Group LLC113,577$8.70M0.16%−62,423−35.5%Reduced
Parus Finance (UK) Ltd113,440$8.69M2.79%−26,782−19.1%Reduced
B. Riley Wealth Management, Inc.113,437$8.69M0.60%−26,185−18.8%Reduced
Fulton Bank, N.A.112,819$8.65M0.38%−7,430−6.2%Reduced
Morgan Dempsey Capital Management LLC112,467$8.62M2.68%−6,256−5.3%Reduced
Advisory Services Network, LLC112,025$8.59M0.25%+160.0%Added
Bright Rock Capital Management, LLC112,000$8.58M1.95%+40,000+55.6%Added
SP Asset Management104,759$8.58M0.86%+180.0%Added
Estabrook Capital Management110,699$8.48M1.20%−1,256−1.1%Reduced
Williams Jones Wealth Management, LLC.110,633$8.48M0.11%+4,742+4.5%Added
Bank of the West110,080$8.44M0.80%+3,668+3.4%Added
Atlantic Union Bankshares Corp109,974$8.43M0.71%+3,454+3.2%Added
Robeco Schweiz AG109,836$8.42M0.11%+379+0.3%Added
Miramar Capital, LLC109,688$8.41M2.85%+10,480+10.6%Added
Trust Co of Kansas109,650$8.40M4.45%−2,526−2.3%Reduced
Wetherby Asset Management Inc109,182$8.37M0.47%−510.0%Reduced
National Asset Management, Inc.109,158$8.37M0.24%+3,514+3.3%Added
Hutchinson Capital Management109,096$8.36M1.86%−1,365−1.2%Reduced
Ferguson Wellman Capital Management, Inc108,456$8.31M0.24%−13,844−11.3%Reduced
Camden National Bank108,300$8.30M1.46%−1,627−1.5%Reduced
Cumberland Partners Ltd107,165$8.21M0.58%−10,220−8.7%Reduced
ARS Wealth Advisors Group, LLC107,139$8.21M1.38%+6,252+6.2%Added
Cheviot Value Management, LLC107,010$8.20M1.92%+2,446+2.3%Added
Grassi Investment Management106,749$8.18M0.83%−1,099−1.0%Reduced
1st Source Bank106,265$8.14M0.48%−1,550−1.4%Reduced
Ally Financial Inc.106,000$8.12M0.74%−94,000−47.0%Reduced
Lee Danner & Bass Inc105,863$8.11M0.69%−2,790−2.6%Reduced
Lavaca Capital LLC105,082$8.05M3.57%+60.0%Added
Lynch & Associates105,070$8.05M1.90%+2,862+2.8%Added
Cutler Investment Counsel LLC104,882$8.04M1.21%+1,153+1.1%Added
Dowling & Yahnke LLC104,362$8.00M0.38%−1,778−1.7%Reduced
Kinneret Advisory, LLC103,186$7.98M0.83%00.0%Unchanged
Beacon Pointe Advisors, LLC104,079$7.98M0.21%−13,150−11.2%Reduced
Asset Planning Services, Ltd.103,953$7.97M3.68%−2,152−2.0%Reduced
Kelly Lawrence W & Associates Inc103,643$7.94M1.57%−4,330−4.0%Reduced
Bard Financial Services, Inc.103,633$7.94M0.64%−109−0.1%Reduced
Siemens Fonds Invest GmbH102,931$7.94M0.52%+649+0.6%Added
AlphaStar Capital Management, LLC97,337$7.92M0.63%+6,108+6.7%Added
Matthew Goff Investment Advisor, LLC103,240$7.91M1.81%−111−0.1%Reduced
Trust Co of Vermont103,223$7.91M0.50%+4,730+4.8%Added
PKO Investment Management Joint-Stock Co102,790$7.88M0.89%+31,716+44.6%Added
Asahi Life Asset Management Co., Ltd.102,436$7.85M0.99%−2,647−2.5%Reduced
Griffin Asset Management, Inc.102,332$7.84M0.97%+2,145+2.1%Added
Novare Capital Management LLC102,178$7.83M0.79%+2,903+2.9%Added
Vident Investment Advisory, LLC101,818$7.80M0.20%+13,958+15.9%Added
Wealth Enhancement Advisory Services, LLC95,425$7.78M0.11%−96,693−50.3%Reduced
Ethic Inc.101,086$7.75M0.60%−1,586−1.5%Reduced
Ameritas Investment Partners, Inc.100,783$7.72M0.26%−857−0.8%Reduced
Busey Wealth Management100,625$7.71M0.29%−1,056−1.0%Reduced
River Road Asset Management, LLC100,591$7.71M0.08%−91,732−47.7%Reduced
Stockman Wealth Management, Inc.100,419$7.70M1.57%+1,672+1.7%Added
Kestra Private Wealth Services, LLC100,211$7.68M0.37%+2,051+2.1%Added
Gabalex Capital Management LLC100,000$7.66M3.26%−60,000−37.5%Reduced
Canal Insurance CO100,000$7.66M2.26%00.0%Unchanged
Kovitz Investment Group Partners, LLC93,160$7.62M0.18%−69,336−42.7%Reduced
Hillman Capital Management, Inc.98,696$7.56M2.60%−1,041−1.0%Reduced
West Coast Financial LLC98,632$7.56M1.08%−525−0.5%Reduced
Core Alternative Capital99,216$7.53M1.51%+2,721+2.8%Added
Circle Wealth Management, LLC97,605$7.48M0.98%+6,210+6.8%Added
Winslow Asset Management Inc97,116$7.44M1.31%+742+0.8%Added
Round Hill Asset Management96,918$7.43M3.73%−250−0.3%Reduced
GHP Investment Advisors, Inc.96,837$7.42M0.53%+1,348+1.4%Added
Rafferty Asset Management, LLC96,828$7.42M0.04%+5,685+6.2%Added
Strategic Advisors LLC95,560$7.32M1.04%+53,929+129.5%Added
Verdence Capital Advisors LLC95,218$7.30M0.86%−11,251−10.6%Reduced
Maryland Capital Management95,149$7.29M0.39%+2,399+2.6%Added
Park Avenue Securities LLC95,087$7.29M0.13%+6,617+7.5%Added
Blueshift Asset Management, LLC94,816$7.27M0.64%+83,203+716.5%Added
New England Asset Management Inc94,325$7.23M0.11%+5,160+5.8%Added
Parsons Capital Management Inc94,232$7.22M0.52%−195−0.2%Reduced
Avantax Advisory Services, Inc.94,000$7.20M0.11%+7,820+9.1%Added
Ledyard National Bank93,846$7.19M0.69%+274+0.3%Added
Cutler Capital Management, LLC93,800$7.19M2.62%+2,150+2.3%Added
Marco Investment Management LLC93,633$7.18M0.71%+6,799+7.8%Added
Vestmark Advisory Solutions, Inc.93,211$7.14M0.40%−1,322−1.4%Reduced
Keystone Financial Planning, Inc.92,950$7.12M2.43%+2,968+3.3%Added
QV Investors Inc.92,900$7.12M0.50%00.0%Unchanged