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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 2024

Institutional positions in Merck & Co., Inc. as of Dec 31, 2024. 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
3,618
+183 vs. Q3 2024
Shares held
1.98B
+39.5M (+2.0%) vs. Q3 2024
Total value
$196.9B
−$22.8B (−10.4%) vs. Q3 2024
New holders
390
1,324 more added
Sold out
207
1,580 more reduced

66 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2024: 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 2024: 3,619 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 heldQ4 2024: $196.9B
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, Q4 2024

Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2024.

Institutions holding MRK in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BOS Asset Management, LLC4,951$492.5K0.18%00.0%Unchanged
Legacy Trust4,979$495.3K0.11%−421−7.8%Reduced
Bender Robert & Associates4,982$495.6K0.12%00.0%Unchanged
New Republic Capital, LLC4,954$496.7K0.32%+389+8.5%Added
Strive Asset Management, LLC5,006$498.0K0.37%+5,006New
Delphi Management Inc5,007$498.0K0.48%−6,998−58.3%Reduced
Abel Hall, LLC5,014$498.8K0.32%−242−4.6%Reduced
Florida Financial Advisors, LLC5,038$501.2K0.22%+948+23.2%Added
McIlrath & Eck, LLC5,042$501.5K0.06%−25−0.5%Reduced
Corps Capital Advisors, LLC5,043$501.7K0.51%+5,043New
Emergent Wealth Advisors, LLC5,051$502.5K0.36%+35+0.7%Added
Bath Savings Trust Co5,056$503.0K0.05%00.0%Unchanged
Capital Advisors, Ltd. LLC5,054$503.0K0.06%+310+6.5%Added
Millennium Capital Advisors, LLC5,062$503.6K0.34%−318−5.9%Reduced
N.E.W. Advisory Services LLC5,067$504.0K0.05%−218−4.1%Reduced
Creative Financial Designs Inc5,079$505.3K0.04%−22−0.4%Reduced
CWC Advisors, LLC.5,080$505.4K0.50%−418−7.6%Reduced
Summa Corp.5,080$505.5K0.25%+5,080New
Sendero Wealth Management, LLC5,086$506.0K0.08%+451+9.7%Added
Black Diamond Financial, LLC5,097$507.1K0.08%+1,076+26.8%Added
Smith Thornton Advisors LLC5,098$507.1K0.32%+566+12.5%Added
Second Line Capital, LLC5,066$508.1K0.14%−271−5.1%Reduced
Paulson Wealth Management Inc.5,109$508.2K0.14%−1,214−19.2%Reduced
Beacon Investment Advisors LLC5,113$508.7K0.24%+5,113New
Optimum Investment Advisors5,150$512.3K0.23%−250−4.6%Reduced
Holt Capital Advisors, L.L.C. dba Holt Capital Partners, L.P.5,150$512.3K0.08%−18−0.3%Reduced
Cora Capital Advisors LLC5,153$512.6K0.25%+42+0.8%Added
Infrastructure Capital Advisors, LLC5,154$512.7K0.07%+236+4.8%Added
B&L Asset Management LLC5,162$513.5K0.33%−305−5.6%Reduced
Park Place Capital Corp5,163$513.6K0.14%−2,339−31.2%Reduced
Plan A Wealth LLC5,166$513.9K0.47%+5,166New
Balboa Wealth Partners5,180$515.3K0.12%+265+5.4%Added
44 Wealth Management LLC5,180$515.3K0.20%−45−0.9%Reduced
Pennsylvania Capital Management Inc5,183$515.6K0.18%−582−10.1%Reduced
FourThought Financial Partners, LLC5,186$516.0K0.05%+5,186New
Crown Wealth Group, LLC5,189$516.2K0.21%−173−3.2%Reduced
Tranquility Partners, LLC5,199$517.2K0.19%−159−3.0%Reduced
Cambridge Financial Group, LLC5,209$518.2K0.22%+96+1.9%Added
Hummer Financial Advisory Services Inc5,189$520.5K0.41%−100−1.9%Reduced
Foundation Wealth Management, LLC5,234$520.7K0.25%+5,234New
Intrua Financial, LLC5,238$521.1K0.08%−810−13.4%Reduced
MEMBERS Trust Co5,240$521.3K0.02%−132−2.5%Reduced
Keyvantage Wealth, LLC5,245$521.7K0.37%+5,245New
Tyler-Stone Wealth Management5,250$522.3K0.09%+68+1.3%Added
Asset Allocation & Management Company, LLC5,253$523.0K0.29%+5,253New
Clear Creek Financial Management, LLC5,263$523.8K0.06%+615+13.2%Added
Human Investing LLC5,267$524.0K0.09%−503−8.7%Reduced
Blake Schutter Theil Wealth Advisors, LLC5,270$524.3K0.55%−6,687−55.9%Reduced
Indiana Trust & Investment Management CO5,288$526.0K0.18%+68+1.3%Added
Tepp RIA, LLC5,293$526.6K0.78%+5,293New
Lakeridge Wealth Management LLC5,296$526.9K0.27%−31−0.6%Reduced
Eubel Brady & Suttman Asset Management Inc5,298$527.0K0.07%00.0%Unchanged
Merriman Wealth Management, LLC5,262$527.4K0.02%+384+7.9%Added
Ignite Planners, LLC5,323$527.7K0.12%−778−12.8%Reduced
Hamilton Capital, LLC5,311$528.4K0.04%+803+17.8%Added
Annis Gardner Whiting Capital Advisors, LLC5,282$529.1K0.15%−507−8.8%Reduced
Rahlfs Capital, LLC5,325$529.7K0.52%+5,325New
Burt Wealth Advisors5,329$530.1K0.13%−553−9.4%Reduced
Westmount Partners, LLC5,337$530.9K0.16%−233−4.2%Reduced
Capital Investment Counsel, LLC5,341$531.3K0.09%−49,309−90.2%Reduced
Accretive Wealth Partners, LLC5,342$531.4K0.23%+5,342New
Rialto Wealth Management, LLC5,343$531.5K0.18%+5,343New
Integrity Alliance, LLC.5,359$533.1K0.06%+5,359New
Lakeshore Capital Group, Inc.5,368$534.1K0.81%+5,368New
Boyar Asset Management Inc.5,378$535.0K0.35%+17+0.3%Added
Lionshead Wealth Management, LLC5,342$535.8K0.39%+5,342New
Lingohr & Partner Asset Management GmbH5,448$536.0K1.11%+5,448New
Mayfair Advisory Group, LLC5,389$536.1K0.32%+464+9.4%Added
Alteri Wealth LLC5,395$536.7K0.15%+5,395New
Summit Financial Strategies, Inc.5,400$537.2K0.06%00.0%Unchanged
Westhampton Capital, LLC5,410$538.2K0.27%−100−1.8%Reduced
Fca Corp5,426$539.8K0.17%+5+0.1%Added
NFP Retirement, Inc.5,439$541.0K0.04%−963−15.0%Reduced
Coastwise Capital Group, LLC5,439$541.1K0.43%+445+8.9%Added
M.E. Allison & Co., Inc.5,448$542.0K0.60%+5,448New
Farmers & Merchants Trust Co of Chambersburg PA5,448$542.0K0.21%−424−7.2%Reduced
Capital City Trust Co5,468$544.0K0.14%−47−0.9%Reduced
Evergreen Wealth Solutions, LLC5,470$544.1K0.38%+212+4.0%Added
Beacon Financial Advisory LLC5,474$544.6K0.18%+403+7.9%Added
HTLF Bank5,485$545.6K0.06%−734−11.8%Reduced
Robinson Smith Wealth Advisors LLC5,487$545.9K0.46%−56−1.0%Reduced
Cornerstone Capital, Inc.5,498$546.9K0.06%−70−1.3%Reduced
Henshaw Capital LLC5,500$547.1K0.02%00.0%Unchanged
Sugarloaf Wealth Management, LLC5,501$547.2K0.10%−188−3.3%Reduced
TRUE Private Wealth Advisors5,501$547.3K0.07%−49−0.9%Reduced
BIP Wealth, LLC5,506$547.7K0.04%+462+9.2%Added
Mathes Company, Inc.5,525$550.0K0.20%00.0%Unchanged
Viawealth, LLC5,549$552.0K0.33%+291+5.5%Added
Defined Wealth Management, LLC5,583$555.4K0.37%+47+0.8%Added
Bright Futures Wealth Management, LLC.5,652$555.5K0.49%−5,721−50.3%Reduced
Cortland Associates Inc5,591$556.0K0.06%+28+0.5%Added
Argonautica Private Wealth Management, Inc5,597$556.8K0.18%00.0%Unchanged
Sterling Investment Counsel, LLC5,598$556.8K0.37%−4,966−47.0%Reduced
Accel Wealth Management5,610$558.1K0.21%−165−2.9%Reduced
Shayne & Co., LLC5,611$558.2K0.15%00.0%Unchanged
Breed's Hill Capital LLC5,612$558.3K0.29%+1,349+31.6%Added
Tower Wealth Partners, Inc.5,617$558.8K0.29%−688−10.9%Reduced
Chancellor Financial Group WB LP5,639$560.9K0.45%+5,639New
White Lighthouse Investment Management Inc.5,641$561.2K0.10%+1,159+25.9%Added
Campion Asset Management LLC5,642$561.3K0.42%−37−0.7%Reduced