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Merck & Co., Inc. (MRK) Institutional Ownership

Merck & Co., Inc. logo
$111.36 -2.05 (-1.81%)
Closing price 05/15/2026 03:59 PM Eastern
Extended Trading
$112.08 +0.72 (+0.65%)
As of 05/15/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Merck & Co., Inc. (NYSE:MRK)

Current
Institutional Ownership
Percentage
76.07%
Number of
Institutional Buyers
(last 12 months)
2582
Total
Institutional Inflows
(last 12 months)
$31.26B
Number of
Institutional Sellers
(last 12 months)
2167
Total
Institutional Outflows
(last 12 months)
$17.93B
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MRK Institutional Buying and Selling by Quarter

Merck & Co., Inc. Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/16/2026 Ashford Capital Management Inc.13,034$1.57M0.2%-51.7%0.001%
5/16/2026 The Manufacturers Life Insurance Company 1,845,587$222.01M0.2%-0.3%0.075%
5/16/2026 Infrastructure Capital Advisors LLC21,977$2.64M0.2%+46.4%0.001%
5/16/2026 Glen Eagle Advisors LLC8,168$982K0.1%+3.8%0.000%
5/16/2026 Excelsior Advisor Network LLC3,789$456K0.2%+10.5%0.000%
5/16/2026 Quantinno Capital Management LP1,333,289$160.38M0.3%+32.5%0.054%
5/16/2026 Lazard Asset Management LLC3,254,331$391.46M0.6%-26.2%0.132%
5/16/2026 Jessup Wealth Management Inc62,944$7.57M2.8%+1.7%0.003%
5/16/2026 Family Manage LLC35,495$4.27M0.5%+778.2%0.001%
5/16/2026 Orbimed Advisors LLC663,400$79.80M1.5%N/A0.027%
5/15/2026 Intelligence Driven Advisers LLC11,955$1.44M0.3%+4.2%0.000%
5/15/2026 Gateway Wealth Partners LLC16,631$2.00M0.1%+271.9%0.001%
5/15/2026 Wealth Watch Advisors INC1,728$208K0.1%+340.8%0.000%
5/15/2026 Blue Chip Partners LLC249,913$30.06M2.2%+2.1%0.010%
5/15/2026 Cypress Capital Group58,740$7.07M0.8%+1.2%0.002%
5/15/2026 Everest Financial Group LLC10,475$1.26M0.2%N/A0.000%
5/15/2026 OMERS ADMINISTRATION Corp1,598,927$192.34M1.2%+480.1%0.065%
5/15/2026 Rice Hall James & Associates LLC1,850$223K0.0%N/A0.000%
5/15/2026 44 Wealth Management LLC14,315$1.72M0.6%N/A0.001%
5/15/2026 FreeGulliver LLC1,777$214K0.1%N/A0.000%
5/15/2026 Bradley Foster & Sargent Inc. CT284,705$34.25M0.5%-1.5%0.012%
5/15/2026 Lombard Odier Asset Management Switzerland SA137,612$16.55M0.6%+8.0%0.006%
5/15/2026 Matrix Private Capital Group LLC8,376$1.02M0.5%N/A0.000%
5/15/2026 Aristotle Atlantic Partners LLC552,486$66.46M3.1%+11.3%0.022%
5/15/2026 Waverly Advisors LLC258,634$31.11M0.2%+0.8%0.010%
5/15/2026 Asset Management Group Inc.6,915$832K0.1%+2.8%0.000%
5/15/2026 London Co. of Virginia2,378$286K0.0%-38.5%0.000%
5/15/2026 Aristotle Capital Management LLC6,894,432$829.34M1.7%-5.3%0.279%
5/15/2026 Wealth Alliance LLC23,028$2.77M0.3%+33.4%0.001%
5/15/2026 Vivaldi Capital Management LP5,197$625K0.1%+3.4%0.000%
5/15/2026 Epoch Investment Partners Inc.701,092$84.33M0.5%-1.3%0.028%
5/15/2026 Dempze Nancy E5,455$656K0.4%-12.1%0.000%
5/15/2026 Sustainable Insight Capital Management LLC4,412$531K0.2%N/A0.000%
5/15/2026 SRB Corp463,298$55.73M3.4%-2.1%0.019%
5/15/2026 Empirical Finance LLC90,944$10.94M0.5%-0.2%0.004%
5/15/2026 St. Louis Trust Co16,457$1.98M0.2%+6.3%0.001%
5/15/2026 Cannell & Spears LLC798,223$95.88M1.9%+130.7%0.032%
5/14/2026 Healthcare of Ontario Pension Plan Trust Fund838,615$100.88M0.2%-10.2%0.034%
5/14/2026 Dai ichi Life Insurance Company Ltd270,465$32.53M0.9%+18.2%0.011%
5/14/2026 Bollard Group LLC138,765$16.69M0.5%+5.1%0.006%
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5/14/2026 Gabelli Funds LLC288,480$34.70M0.2%-5.1%0.012%
5/14/2026 Gamco Investors INC. ET AL64,769$7.79M0.1%-0.3%0.003%
5/14/2026 Hilltop Holdings Inc.40,564$4.88M0.4%-18.5%0.002%
5/14/2026 Morningstar Investment Management LLC34,870$4.20M0.3%-17.5%0.001%
5/14/2026 Pennington Partners & CO. LLC2,628$318K0.1%+11.5%0.000%
5/14/2026 GC Wealth Management RIA LLC41,537$5.00M0.2%-5.8%0.002%
5/14/2026 Public Employees Retirement System of Ohio1,043,669$125.54M0.4%-1.3%0.042%
5/14/2026 FCA Corp TX4,559$548K0.2%-10.3%0.000%
5/14/2026 Compound Planning Inc.93,562$11.26M0.3%+48.7%0.004%
5/14/2026 Klingman & Associates LLC10,297$1.24M0.1%-2.0%0.000%
5/14/2026 Modern Wealth Management LLC39,645$4.79M0.1%+14.3%0.002%
5/14/2026 Keebeck Wealth Management31,081$3.77M0.4%+17.8%0.001%
5/14/2026 Orleans Capital Management Corp LA3,472$418K0.3%N/A0.000%
5/14/2026 Arrowstreet Capital Limited Partnership2,936,330$353.21M0.2%-70.5%0.119%
5/14/2026 Wills Financial Group LLC16,616$1.89M0.8%-2.0%0.001%
5/14/2026 Pincus Capital Management LP42,496$5.11M3.6%-0.7%0.002%
5/14/2026 Inceptionr LLC4,442$534K0.1%N/A0.000%
5/14/2026 Aspen Grove Capital LLC3,765$456K0.1%+5.8%0.000%
5/14/2026 Bank of Nova Scotia1,457,238$175.29M0.3%-25.5%0.059%
5/14/2026 Dickmeyer Boyce Financial Management Inc.9,238$1.11M0.7%N/A0.000%
5/14/2026 Gibbs Wealth Management12,506$1.50M0.2%+147.2%0.001%
5/14/2026 Sei Investments Co.2,102,456$252.89M0.2%+13.9%0.085%
5/14/2026 Davis R M Inc.24,395$2.95M0.1%+1.3%0.001%
5/14/2026 State of Wyoming2,188$263K0.0%-5.6%0.000%
5/13/2026 GSG Advisors LLC1,908$230K0.1%N/A0.000%
5/13/2026 American Investment Services Inc.66,477$8.00M1.8%+19.1%0.003%
5/13/2026 Lavaca Capital LLC14,014$1.69M0.3%+29.4%0.001%
5/13/2026 Aureus Asset Management LLC11,787$1.42M0.1%+0.8%0.000%
5/13/2026 Dynamic Wealth Strategies LLC1,222$147K0.1%-9.0%0.000%
5/13/2026 Prestige Wealth Management Group LLC37,094$4.49M0.9%+1.1%0.002%
5/13/2026 KCM Capital Inc33,000$3.97M0.6%N/A0.001%
5/13/2026 Levin Capital Strategies L.P.13,322$1.60M0.1%N/A0.001%
5/13/2026 Signature Equity Partners LLC2,470$297K0.2%+197.6%0.000%
5/13/2026 Godshalk Welsh Capital Management Inc.11,785$1.42M0.8%-3.4%0.000%
5/13/2026 NewEdge Wealth LLC66,602$8.01M0.1%-24.8%0.003%
5/13/2026 Wiregrass Investment Management LLC3,028$364K0.3%-5.6%0.000%
5/13/2026 Arvest Bank Trust Division14,982$1.80M0.1%-1.6%0.001%
5/13/2026 First Citizens Bank & Trust Co.63,208$7.60M0.1%+1.9%0.003%
5/13/2026 Acumen Wealth Advisors LLC27,226$3.30M0.9%-25.5%0.001%
5/13/2026 CI Investments Inc.1,237,783$148.89M0.7%+24.5%0.050%
5/13/2026 First Trust Advisors LP4,465,569$537.16M0.4%-3.5%0.181%
5/12/2026 Marin Bay Wealth Advisors LLC1,962$236K0.1%-12.6%0.000%
5/12/2026 Insight Advisors LLC PA20,086$2.42M0.5%-1.2%0.001%
5/12/2026 Westpac Banking Corp35,819$4.31M0.3%-38.3%0.001%
5/12/2026 Saturna Capital Corp157,451$18.94M0.3%+11.6%0.006%
5/12/2026 Millennium Capital Advisors LLC4,450$535K0.3%+2.3%0.000%
5/12/2026 Chase Investment Counsel Corp6,224$748K0.2%+30.5%0.000%
5/12/2026 First Wilshire Securities Management Inc.1,853$223K0.1%-10.3%0.000%
5/12/2026 CacheTech Inc.1,693$204K0.0%N/A0.000%
5/12/2026 Danica Pension Livsforsikringsaktieselskab190,178$22.88M0.4%-0.9%0.008%
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5/12/2026 ABN Amro Investment Solutions233,654$28.11M0.4%-9.0%0.009%
5/8/2026 PNC Financial Services Group Inc.7,530,441$905.84M0.5%-1.2%0.305%
5/8/2026 Oslo Pensjonsforsikring AS11,647$1.40M0.2%N/A0.000%
5/8/2026 HORAN Wealth LLC46,275$5.47M0.5%+1.9%0.002%
5/8/2026 DJE Kapital AG1,306,098$156.69M3.5%N/A0.053%
5/8/2026 Burling Wealth Partners LLC26,963$3.24M0.5%-6.7%0.001%
5/8/2026 Andra AP fonden364,485$43.84M0.5%-14.9%0.015%
5/8/2026 Wilkerson Advisory Group LLC3,645$438K0.2%+333.4%0.000%
5/8/2026 Stone Loft Wealth Management LLC2,744$330K0.2%N/A0.000%
5/8/2026 Dale Q Rice Investment Management Ltd3,967$477K0.4%-3.7%0.000%


MRK Institutional Ownership - Frequently Asked Questions

During the previous two years, 4,203 institutional investors and hedge funds held shares of Merck & Co., Inc.. The most heavily invested institutionals were Vanguard Group Inc. ($26.77B), State Street Corp ($12.74B), Wellington Management Group LLP ($9.10B), Geode Capital Management LLC ($6.31B), Charles Schwab Investment Management Inc. ($5.11B), Morgan Stanley ($4.73B), and Norges Bank ($4.00B).Learn more on Merck & Co., Inc.'s institutional investors.

76.07% of Merck & Co., Inc.'s stock is owned by institutional investors. Learn more on MRK's institutional investor holdings.

Of the 3,579 institutional investors that purchased Merck & Co., Inc.'s stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Norges Bank ($109.07M), DLD Asset Management LP ($47.50M), Charles Schwab Investment Management Inc. ($35.57M), Wellington Management Group LLP ($20.34M), Nuveen LLC ($11.10M), Franklin Resources Inc. ($10.80M), and Dimensional Fund Advisors LP ($9.74M).

Institutional investors have bought a total of 339,637,667 shares in the last 24 months. This purchase volume represents approximately $31.26B in transactions.

Of the 2,167 institutional investors that sold Merck & Co., Inc.'s stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Arrowstreet Capital Limited Partnership ($16.52M), Franklin Resources Inc. ($10.97M), Cardano Risk Management B.V. ($8.64M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($6.51M), Charles Schwab Investment Management Inc. ($5.14M), Assenagon Asset Management S.A. ($4.96M), and Bank of New York Mellon Corp ($4.42M).

Institutional investors have sold a total of 185,894,144 shares in the last 24 months. This volume of shares sold represents approximately $17.93B in transactions.


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This page (NYSE:MRK) was last updated on 5/17/2026 by MarketBeat.com Staff.
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