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

Merck & Co., Inc. logo
$144.50 -3.86 (-2.60%)
Closing price 03:59 PM Eastern
Extended Trading
$143.85 -0.65 (-0.45%)
As of 08:00 PM Eastern
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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)
2418
Total
Institutional Inflows
(last 12 months)
$21.81B
Number of
Institutional Sellers
(last 12 months)
1925
Total
Institutional Outflows
(last 12 months)
$17.06B
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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
11/3/2026American State Bank Iowa 5,475$796K0.3%N/A0.000%
11/3/2026Cullinan Associates Inc.45,371$6.59M0.5%-2.7%0.002%
11/3/2026Cooper Haims Advisors LLC2,646$384K0.2%+8.0%0.000%
11/3/2026Uhlmann Price Securities LLC14,969$2.18M0.1%+10.1%0.001%
11/3/2026Ethic Inc.378,857$55.05M0.6%+5.8%0.015%
11/3/2026Endowment Wealth Management Inc.1,449$211K0.1%-18.4%0.000%
11/3/2026180 Wealth Advisors LLC42,467$6.17M0.6%-5.3%0.002%
11/3/2026StoneX Group Inc.44,028$6.43M0.2%+3.4%0.002%
11/3/2026Kornitzer Capital Management Inc. KS523,861$76.12M1.4%-2.9%0.021%
11/3/2026Axiom Investment Management LLC6,581$956K0.8%+2.6%0.000%
11/3/2026Pictet Asset Management Holding SA1,452,324$211.07M0.2%+0.1%0.059%
11/3/2026Leelyn Smith LLC51,420$7.47M0.8%-2.2%0.002%
11/3/2026Formidable Asset Management LLC10,984$1.60M0.2%-0.8%0.000%
11/3/2026Palisade Asset Management LLC33,964$4.94M0.5%-4.0%0.001%
11/3/2026Investment Management Corp VA ADV7,922$1.15M0.9%+15.3%0.000%
11/3/2026Pegasus Asset Management Inc.11,213$1.63M0.5%+2.0%0.000%
11/3/2026American Institute for Advanced Investment Management LLP3,882$564K0.3%+2.3%0.000%
11/3/2026Parallel Advisors LLC77,134$11.21M0.2%+15.5%0.003%
11/3/2026W.G. Shaheen & Associates DBA Whitney & Co29,877$4.34M0.3%-4.7%0.001%
11/3/2026Abacus Wealth Partners LLC11,050$1.61M0.2%-4.0%0.000%
11/3/2026Guidance Capital Inc.12,313$1.83M0.4%-0.6%0.000%
11/3/2026Tamar Securities LLC2,237$325K0.0%-24.6%0.000%
11/3/2026Asset Dedication LLC17,424$2.53M0.2%+3.2%0.001%
11/3/2026Prudent Man Investment Management Inc.950$138K0.0%+850.0%0.000%
11/3/2026Eliot Finkel Investment Counsel LLC61,785$8.98M4.5%-0.6%0.003%
11/3/2026Plancorp LLC12,741$1.91M0.0%+5.0%0.001%
11/3/2026May Hill Capital LLC7,819$1.14M0.2%+7.1%0.000%
11/3/2026Phoenix Wealth Advisors5,228$760K0.2%-6.5%0.000%
11/3/2026Alps Advisors Inc.254,734$37.02M0.2%-43.7%0.010%
11/3/2026Ashton Thomas Private Wealth LLC122,139$17.75M0.4%+1.5%0.005%
11/3/2026 Providence First Trust Co5,774$839K0.3%-1.3%0.000%
11/3/2026 Canvas Wealth Advisors LLC3,137$459K0.1%+5.3%0.000%
11/3/2026 Asset One Wealth Management LLC10,416$1.51M0.1%+55.2%0.000%
11/3/2026 International Assets Investment Management LLC22,651$3.26M0.1%-10.8%0.001%
11/3/2026 Heritage Family Offices LLP2,515$366K0.1%+16.1%0.000%
11/3/2026 Allegiance Financial Group Advisory Services LLC6,218$909K0.1%-5.5%0.000%
11/3/2026 Waldron Private Wealth LLC12,360$1.81M0.1%-7.7%0.001%
11/3/2026 Calamos Wealth Management LLC22,674$3.30M0.1%+9.0%0.001%
11/3/2026 Calamos Advisors LLC799,616$116.19M0.3%+22.9%0.032%
11/3/2026 Liberty Capital Management Inc.4,412$641K0.1%-8.4%0.000%
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11/2/2026 Alta Advisers Ltd17,857$2.60M0.4%+86.3%0.001%
11/2/2026 Pine Haven Investment Counsel Inc14,468$2.10M1.4%+1.4%0.001%
11/2/2026 Pekin Hardy Strauss Inc.23,191$3.37M0.3%-5.8%0.001%
11/2/2026 ACR Alpine Capital Research LLC44,670$6.49M0.1%+8.6%0.002%
11/2/2026 Ullmann Wealth Partners Group LLC5,186$754K0.1%+4.1%0.000%
11/2/2026 Principle Wealth Partners LLC80,264$11.66M0.6%+0.6%0.003%
11/2/2026 Monte Financial Group LLC48,179$7.00M2.3%-6.5%0.002%
11/2/2026 Kestra Advisory Services LLC338,758$49.23M0.1%+4.6%0.014%
11/2/2026 Claro Advisors Inc.14,059$2.04M0.2%+19.1%0.001%
11/2/2026 REAP Financial Group LLC2,597$377K0.1%+10.9%0.000%
11/2/2026 Telos Capital Management Inc.12,877$1.87M0.2%-8.3%0.001%
11/2/2026 Cora Capital Advisors LLC5,444$791K0.2%+9.0%0.000%
11/2/2026 Quadcap Wealth Management LLC12,575$1.83M0.2%-3.1%0.001%
11/2/2026 Brady Family Wealth LLC4,100$596K0.2%-14.1%0.000%
11/2/2026 Paulson Wealth Management Inc.4,875$708K0.1%+2.1%0.000%
11/2/2026 QTR Family Wealth LLC10,832$1.57M0.6%-9.9%0.000%
11/2/2026 Platform Technology Partners14,070$2.04M0.3%+4.7%0.001%
11/2/2026 Inscription Capital LLC20,280$2.95M0.3%-23.5%0.001%
11/2/2026 Quest 10 Wealth Builders Inc.699$102K0.1%+12.2%0.000%
11/2/2026 Commonwealth Equity Services LLC1,087,071$157.96M0.2%-5.4%0.044%
11/2/2026 Schmidt P J Investment Management Inc.16,782$2.44M0.4%-3.5%0.001%
11/2/2026 Collaborative Fund Advisors LLC7,802$1.13M0.6%+80.5%0.000%
10/31/2026 Pathway Financial Advisers LLC32,529$4.73M1.2%+1.6%0.001%
10/31/2026 Costello Asset Management INC13,556$1.97M0.6%-0.7%0.001%
10/31/2026 Bfsg LLC34,958$5.08M0.4%-2.7%0.001%
10/31/2026 Cowa LLC4,916$714K0.2%-24.7%0.000%
10/31/2026 Strategent Financial LLC3,034$441K0.2%-4.7%0.000%
10/31/2026 Boston Trust Walden Corp393,390$57.16M0.5%-12.0%0.016%
10/31/2026 Northeast Investment Management61,570$8.95M0.3%+7.1%0.002%
10/31/2026 Chicago Partners Investment Group LLC38,899$5.65M0.1%-1.0%0.002%
10/31/2026 Smallwood Wealth Investment Management LLC3,264$474K0.2%-4.9%0.000%
10/31/2026 Jmac Enterprises LLC8,823$1.28M0.2%-8.3%0.000%
10/31/2026 Covestor Ltd1,100$160K0.1%-15.0%0.000%
10/31/2026 Richardson Financial Services Inc.2,742$398K0.2%+8.4%0.000%
10/31/2026 Verity Asset Management Inc.8,696$1.26M0.5%-2.8%0.000%
10/31/2026 Ascent Group LLC43,423$6.31M0.2%+5.1%0.002%
10/31/2026 Caldwell Trust Co35,986$5.23M0.4%+1.4%0.001%
10/31/2026 Signet Investment Advisory Group Inc.16,945$2.46M1.1%-1.3%0.001%
10/31/2026 Kelleher Financial Advisors9,964$1.45M0.4%-21.3%0.000%
10/31/2026 3Chopt Investment Partners LLC25,969$3.80M0.7%+7.3%0.001%
10/31/2026 Team Financial Group LLC577$84K0.0%N/A0.000%
10/30/2026 Compass Financial Management LLC9,733$1.41M0.2%+256.3%0.000%
10/30/2026 Sentry LLC47,027$6.83M2.4%-1.7%0.002%
10/30/2026 Southern Financial Group LLC2,253$327K0.1%-12.0%0.000%
10/30/2026 Rakuten Investment Management Inc.443,001$66.13M0.2%+9.6%0.018%
10/30/2026 Parr Mcknight Wealth Management Group LLC24,785$3.60M0.4%-4.5%0.001%
10/30/2026 Compass Wealth Management LLC GA1,560$227K0.1%-19.3%0.000%
10/30/2026 MFG Investments LLC2,503$364K0.4%N/A0.000%
10/30/2026 AIA Group Ltd394,399$57.31M0.7%-12.3%0.016%
10/30/2026 Provenance Wealth Advisors LLC16,811$2.44M0.1%+997.3%0.001%
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10/30/2026 Hughes Financial Services LLC1,286$188K0.0%+10.7%0.000%
10/30/2026 TrinityBridge Ltd2,724$396K0.0%-21.6%0.000%
10/30/2026 Integras Partners LLC1,536$223K0.1%N/A0.000%
10/30/2026 Lyell Wealth Management LP11,294$1.64M0.1%+4.4%0.000%
10/30/2026 Associated Banc Corp89,158$12.96M0.3%N/A0.004%
10/30/2026 Richwood Investment Advisors LLC13,201$1.92M1.4%+1.2%0.001%
10/30/2026 Integrity Alliance LLC.14,611$2.12M0.1%-2.7%0.001%
10/30/2026 Integrity Advisory Solutions LLC6,602$959K0.1%+9.1%0.000%
10/30/2026 Mountain Pacific Investment Advisers LLC3,326$483K0.1%+2.6%0.000%
10/30/2026 Oregon Public Employees Retirement Fund303,334$44.08M0.5%-0.1%0.012%


MRK Institutional Ownership - Frequently Asked Questions

During the previous two years, 4,225 institutional investors and hedge funds held shares of Merck & Co., Inc.. The most heavily invested institutionals were BlackRock Inc. ($29.17B), Vanguard Group Inc. ($26.77B), State Street Corp ($15.57B), Wellington Management Group LLP ($11.08B), Geode Capital Management LLC ($6.31B), Charles Schwab Investment Management Inc. ($5.11B), and Morgan Stanley ($4.73B).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 3,575 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 ($22.28M), Nuveen LLC ($11.10M), Franklin Resources Inc. ($10.80M), and Cardano Risk Management B.V. ($9.66M).

Institutional investors have bought a total of 207,960,464 shares in the last 24 months. This purchase volume represents approximately $21.81B in transactions.

Of the 1,907 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. ($8.65M), UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC ($6.57M), Assenagon Asset Management S.A. ($6.09M), Charles Schwab Investment Management Inc. ($5.14M), and Deutsche Bank AG ($4.63M).

Institutional investors have sold a total of 162,331,881 shares in the last 24 months. This volume of shares sold represents approximately $17.06B in transactions.


Related Companies

Institutional ownership data for NYSE:MRK is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 11/3/2026. New 13F filings are added each quarter as they're published.
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