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 2025
Institutional positions in Merck & Co., Inc. as of Sep 30, 2025. 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
- 3,319
- +42 vs. Q2 2025
- Shares held
- 1.90B
- −25.7M (−1.3%) vs. Q2 2025
- Total value
- $159.8B
- +$6.99B (+4.6%) vs. Q2 2025
- New holders
- 191
- 1,361 more added
- Sold out
- 149
- 1,427 more reduced
60 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 3,855 | $254.3B |
| Q1 2026 | 3,812 | $231.9B |
| Q4 2025 | 3,674 | $206.6B |
| Q3 2025 | 3,319 | $159.8B |
| Q2 2025 | 3,337 | $155.9B |
| Q1 2025 | 3,459 | $177.7B |
| Q4 2024 | 3,618 | $196.9B |
| Q3 2024 | 3,502 | $221.8B |
| Q2 2024 | 3,558 | $242.3B |
| Q1 2024 | 3,547 | $256.9B |
| Q4 2023 | 3,444 | $211.6B |
| Q3 2023 | 3,222 | $197.7B |
| Q2 2023 | 3,262 | $222.8B |
| Q1 2023 | 3,188 | $205.1B |
| Q4 2022 | 3,244 | $212.2B |
| Q3 2022 | 2,997 | $162.7B |
| Q2 2022 | 3,020 | $171.5B |
| Q1 2022 | 2,962 | $152.1B |
| Q4 2021 | 2,910 | $142.2B |
| Q3 2021 | 2,658 | $138.8B |
| Q2 2021 | 2,684 | $144.3B |
| Q1 2021 | 2,693 | $143.2B |
Institutions, Q3 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quest Partners LLC | 4,194 | $352.0K | 0.02% | +435+11.6% | Added |
| Perritt Capital Management Inc | 4,202 | $352.7K | 0.17% | +96+2.3% | Added |
| X-Square Capital, LLC | 4,207 | $353.0K | 0.11% | −297−6.6% | Reduced |
| Baron Silver Stevens Financial Advisors, LLC | 4,206 | $353.0K | 0.05% | −640−13.2% | Reduced |
| Morey & Quinn Wealth Partners, LLC | 4,206 | $353.0K | 0.26% | +549+15.0% | Added |
| Legacy Capital Wealth Partners, LLC | 4,213 | $353.6K | 0.08% | +249+6.3% | Added |
| Howard Wealth Management, LLC | 4,217 | $354.0K | 0.16% | −11−0.3% | Reduced |
| Signet Financial Management, LLC | 4,218 | $354.0K | 0.04% | +447+11.9% | Added |
| Centurion Wealth Management LLC | 4,227 | $354.8K | 0.08% | +1,134+36.7% | Added |
| Park Edge Advisors, LLC | 4,228 | $354.9K | 0.08% | 00.0% | Unchanged |
| Benchmark Financial Wealth Advisors, LLC | 4,265 | $357.9K | 0.11% | +731+20.7% | Added |
| Beacon Capital Management, LLC | 4,265 | $357.9K | 0.05% | −1,246−22.6% | Reduced |
| Walkner Condon Financial Advisors LLC | 4,269 | $358.2K | 0.06% | +1,016+31.2% | Added |
| Noble Family Wealth, LLC | 4,276 | $358.9K | 0.08% | +985+29.9% | Added |
| Texas Capital Bank Wealth Management Services Inc | 4,281 | $359.3K | 0.03% | −3,391−44.2% | Reduced |
| Mayfair Advisory Group, LLC | 4,283 | $359.4K | 0.15% | +124+3.0% | Added |
| Lakeridge Wealth Management LLC | 4,284 | $359.5K | 0.16% | +8+0.2% | Added |
| Fidelity D & D Bancorp Inc | 4,289 | $360.0K | 0.20% | 00.0% | Unchanged |
| Valicenti Advisory Services Inc | 4,287 | $360.0K | 0.08% | +4,287 | New |
| Armbruster Capital Management, Inc. | 4,292 | $360.2K | 0.06% | −106−2.4% | Reduced |
| Dale Q Rice Investment Management Ltd | 4,118 | $360.3K | 0.25% | 00.0% | Unchanged |
| DMG Group, LLC | 4,302 | $361.1K | 0.25% | −3,464−44.6% | Reduced |
| Crown Wealth Group, LLC | 4,303 | $361.2K | 0.11% | −148−3.3% | Reduced |
| Foster Group, Inc. | 4,338 | $364.1K | 0.01% | +1,074+32.9% | Added |
| North Point Portfolio Managers Corp | 4,342 | $364.4K | 0.06% | 00.0% | Unchanged |
| Greater Midwest Financial Group, LLC | 4,354 | $365.5K | 0.24% | +15+0.3% | Added |
| Kinloch Capital, LLC | 4,364 | $366.3K | 0.16% | +23+0.5% | Added |
| Game Creek Capital, LP | 4,375 | $367.2K | 0.16% | −1,875−30.0% | Reduced |
| Fortress Private Ledger, LLC | 4,376 | $367.3K | 0.13% | +614+16.3% | Added |
| Chemistry Wealth Management LLC | 4,377 | $367.4K | 0.07% | −772−15.0% | Reduced |
| Smith Thornton Advisors LLC | 4,379 | $367.6K | 0.19% | +42+1.0% | Added |
| Palogic Value Management, L.P. | 4,395 | $368.9K | 0.16% | −176−3.9% | Reduced |
| Peoples Bank | 4,395 | $368.9K | 0.37% | 00.0% | Unchanged |
| Syntegra Private Wealth Group, LLC | 4,397 | $369.0K | 0.03% | −40−0.9% | Reduced |
| Johnson Bixby & Associates, LLC | 4,408 | $370.0K | 0.05% | −254−5.4% | Reduced |
| White Lighthouse Investment Management Inc. | 4,417 | $370.7K | 0.06% | −20−0.5% | Reduced |
| Aventura Private Wealth, LLC | 4,417 | $370.7K | 0.14% | −68−1.5% | Reduced |
| Topsail Wealth Management, LLC | 4,376 | $370.8K | 0.06% | −11−0.3% | Reduced |
| Koss-Olinger Consulting, LLC | 4,689 | $371.0K | 0.03% | 00.0% | Unchanged |
| Phillips Wealth Planners LLC | 4,185 | $371.6K | 0.31% | +1,291+44.6% | Added |
| Potentia Wealth | 4,430 | $371.8K | 0.14% | −450−9.2% | Reduced |
| Wagner Wealth Management, LLC | 4,444 | $373.0K | 0.09% | −387−8.0% | Reduced |
| Balboa Wealth Partners | 4,445 | $373.1K | 0.06% | −328−6.9% | Reduced |
| Milestone Asset Management, LLC | 4,457 | $374.1K | 0.07% | +673+17.8% | Added |
| Dupree Financial Group, LLC | 4,458 | $374.2K | 0.14% | −290−6.1% | Reduced |
| Knightsbridge Asset Management, LLC | 4,460 | $374.3K | 0.06% | +4,460 | New |
| Summit Wealth & Retirement Planning, Inc. | 4,461 | $374.4K | 0.09% | −555−11.1% | Reduced |
| Mainsail Financial Group, LLC | 4,466 | $374.8K | 0.16% | +680+18.0% | Added |
| Sunburst Financial Group, LLC | 4,472 | $375.3K | 0.08% | −53−1.2% | Reduced |
| Evergreen Wealth Solutions, LLC | 4,472 | $375.3K | 0.21% | −720−13.9% | Reduced |
| O'Brien Greene & Co. Inc | 4,482 | $376.2K | 0.12% | −179−3.8% | Reduced |
| Viawealth, LLC | 4,505 | $378.1K | 0.21% | +273+6.5% | Added |
| OneAscent Investment Solutions LLC | 4,506 | $378.2K | 0.40% | −1,158−20.4% | Reduced |
| WealthShield Partners, LLC | 4,507 | $378.2K | 0.04% | +26+0.6% | Added |
| Centric Wealth Management | 4,402 | $378.5K | 0.08% | −25,194−85.1% | Reduced |
| First National Advisers, LLC | 4,512 | $378.7K | 0.05% | −1,701−27.4% | Reduced |
| First Citizens Financial Corp | 4,515 | $378.9K | 0.19% | −20−0.4% | Reduced |
| Missouri Trust & Investment Co | 4,517 | $379.1K | 0.11% | +400+9.7% | Added |
| BOK Financial Private Wealth, Inc. | 4,468 | $379.1K | 0.02% | −1,336−23.0% | Reduced |
| Clarus Group, Inc. | 4,527 | $379.9K | 0.13% | −97−2.1% | Reduced |
| Regatta Capital Group, LLC | 4,528 | $380.0K | 0.06% | −7−0.2% | Reduced |
| DHJJ Financial Advisors, Ltd. | 4,532 | $380.4K | 0.13% | 00.0% | Unchanged |
| Benin Management CORP | 4,536 | $380.7K | 0.09% | 00.0% | Unchanged |
| Cardiff Park Advisors, LLC | 4,564 | $383.1K | 0.03% | +65+1.4% | Added |
| Sovran Advisors, LLC | 4,442 | $383.3K | 0.03% | −37−0.8% | Reduced |
| Roehl & Yi Investment Advisors, LLC | 4,572 | $383.8K | 0.17% | −28−0.6% | Reduced |
| BIP Wealth, LLC | 4,574 | $383.9K | 0.02% | +408+9.8% | Added |
| United Bank | 4,575 | $384.0K | 0.05% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 4,587 | $385.0K | 0.04% | −145−3.1% | Reduced |
| Summitry LLC | 4,589 | $385.2K | 0.02% | +1,324+40.6% | Added |
| UMA Financial Services, Inc. | 4,590 | $385.3K | 0.05% | +3+0.1% | Added |
| Caption Management, LLC | 4,601 | $386.2K | 0.02% | −2,299−33.3% | Reduced |
| Crux Wealth Advisors | 4,613 | $387.2K | 0.15% | +149+3.3% | Added |
| Sather Financial Group Inc | 4,617 | $387.5K | 0.02% | −2,268−32.9% | Reduced |
| Sawgrass Asset Management LLC | 4,617 | $387.5K | 0.05% | −126−2.7% | Reduced |
| Bullock Wealth Management Group | 4,300 | $387.6K | 0.19% | +470+12.3% | Added |
| Edgemoor Investment Advisors, Inc. | 4,618 | $387.6K | 0.03% | −39,189−89.5% | Reduced |
| AssuredPartners Investment Advisors, LLC | 4,631 | $388.7K | 0.09% | −170−3.5% | Reduced |
| Cora Capital Advisors LLC | 4,633 | $388.9K | 0.17% | −710−13.3% | Reduced |
| Bravias Capital Group, LLC | 4,638 | $389.3K | 0.26% | +1,383+42.5% | Added |
| PAX Financial Group, LLC | 4,644 | $389.8K | 0.07% | +213+4.8% | Added |
| Gemmer Asset Management LLC | 4,644 | $389.8K | 0.03% | −367−7.3% | Reduced |
| Parvin Asset Management, LLC | 4,646 | $389.9K | 0.34% | +56+1.2% | Added |
| Presilium Private Wealth, LLC | 4,649 | $390.2K | 0.07% | −185−3.8% | Reduced |
| Garrett Wealth Advisory Group, LLC | 4,653 | $390.5K | 0.08% | −40−0.9% | Reduced |
| Bourne Lent Asset Management Inc | 4,657 | $390.9K | 0.14% | −80−1.7% | Reduced |
| Nelson Capital Management, LLC | 4,658 | $390.9K | 0.05% | −250−5.1% | Reduced |
| Lumbard & Kellner, LLC | 4,671 | $392.0K | 0.14% | 00.0% | Unchanged |
| Cottage Street Advisors LLC | 4,673 | $392.2K | 0.17% | +3+0.1% | Added |
| Sovereign Financial Group, Inc. | 4,679 | $392.7K | 0.07% | +40+0.9% | Added |
| Vista Investment Management | 4,679 | $392.7K | 0.14% | −1,326−22.1% | Reduced |
| Keyvantage Wealth, LLC | 4,693 | $393.9K | 0.17% | +37+0.8% | Added |
| Caitlin John, LLC | 4,696 | $394.1K | 0.27% | +745+18.9% | Added |
| Annandale Capital, LLC | 4,703 | $394.7K | 0.07% | 00.0% | Unchanged |
| Luts & Greenleigh Group, Inc | 4,710 | $395.3K | 0.35% | +20.0% | Added |
| London Co of Virginia | 4,719 | $396.1K | 0.00% | −1,475−23.8% | Reduced |
| Connors Investor Services Inc | 4,725 | $396.6K | 0.03% | −49−1.0% | Reduced |
| DLK Investment Management, LLC | 4,736 | $397.5K | 0.15% | +4,736 | New |
| Revolve Wealth Partners, LLC | 4,737 | $397.6K | 0.05% | +95+2.0% | Added |
| 360 Financial, Inc. | 4,739 | $397.7K | 0.13% | +39+0.8% | Added |