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, Q1 2025
Institutional positions in Merck & Co., Inc. as of Mar 31, 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
- 3,459
- −96 vs. Q4 2024
- Shares held
- 1.98B
- +20.8M (+1.1%) vs. Q4 2024
- Total value
- $177.7B
- −$17.2B (−8.8%) vs. Q4 2024
- New holders
- 180
- 1,354 more added
- Sold out
- 276
- 1,598 more reduced
63 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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.
| 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 | 3,501 | $221.8B |
| Q2 2024 | 3,557 | $242.3B |
| Q1 2024 | 3,546 | $256.9B |
| Q4 2023 | 3,443 | $211.6B |
| Q3 2023 | 3,221 | $197.7B |
| Q2 2023 | 3,261 | $222.8B |
| Q1 2023 | 3,187 | $205.1B |
| Q4 2022 | 3,243 | $212.2B |
| Q3 2022 | 2,996 | $162.7B |
| Q2 2022 | 3,019 | $171.5B |
| Q1 2022 | 2,961 | $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, Q1 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Keybank National Association | 892,173 | $80.1M | 0.32% | −31,484−3.4% | Reduced |
| CIBC Private Wealth Group, LLC | 1,013,832 | $80.0M | 0.17% | −13,346−1.3% | Reduced |
| CIBC World Markets Inc. | 886,836 | $79.6M | 0.18% | +41,250+4.9% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 885,233 | $79.5M | 0.49% | −28,167−3.1% | Reduced |
| Actiam N.V. | 870,241 | $78.1M | 1.24% | +16,487+1.9% | Added |
| Groupama Asset Managment | 862,359 | $76.9M | 1.54% | +72,571+9.2% | Added |
| Mediolanum International Funds Ltd | 860,276 | $76.8M | 1.06% | −94,660−9.9% | Reduced |
| State of New Jersey Common Pension Fund D | 854,069 | $76.7M | 0.35% | −81,937−8.8% | Reduced |
| Panagora Asset Management Inc | 818,928 | $73.5M | 0.37% | +522,126+175.9% | Added |
| J. Safra Sarasin Holding AG | 814,102 | $73.1M | 1.32% | +19,540+2.5% | Added |
| Swiss Life Asset Management Ltd | 810,345 | $72.7M | 0.53% | +168,388+26.2% | Added |
| MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH | 808,886 | $72.6M | 2.13% | −243,090−23.1% | Reduced |
| Compagnie Lombard Odier SCmA | 805,555 | $72.3M | 0.89% | −647,936−44.6% | Reduced |
| Jones Financial Companies LLLP | 797,908 | $71.3M | 0.06% | +191,441+31.6% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 792,829 | $71.2M | 0.85% | −79,200−9.1% | Reduced |
| Commerce Bank | 791,269 | $71.0M | 0.45% | −359,675−31.3% | Reduced |
| Tudor Investment Corp Et Al | 774,203 | $69.5M | 0.62% | +723,375+1,423.2% | Added |
| Boston Partners | 773,135 | $69.4M | 0.08% | −3,658−0.5% | Reduced |
| MetLife Investment Management | 767,569 | $68.9M | 0.37% | −13,906−1.8% | Reduced |
| Woodline Partners LP | 764,526 | $68.6M | 0.45% | +33,192+4.5% | Added |
| DnB Asset Management AS | 757,094 | $68.0M | 0.31% | −20,190−2.6% | Reduced |
| Arizona State Retirement System | 742,380 | $66.6M | 0.42% | +6,713+0.9% | Added |
| Edgar Lomax Co | 736,620 | $66.1M | 4.13% | +105,035+16.6% | Added |
| Glenmede Trust Co NA | 720,348 | $64.7M | 0.35% | +220,276+44.0% | Added |
| State of Michigan Retirement System | 719,290 | $64.6M | 0.37% | −3000.0% | Reduced |
| Forsta Ap-Fonden | 710,300 | $63.8M | 0.48% | +75,300+11.9% | Added |
| Epoch Investment Partners, Inc. | 707,848 | $63.5M | 0.33% | +25,772+3.8% | Added |
| Cetera Investment Advisers | 707,194 | $63.5M | 0.12% | +26,263+3.9% | Added |
| Financial Counselors Inc | 705,128 | $63.3M | 0.96% | +86,651+14.0% | Added |
| Tocqueville Asset Management L.P. | 695,025 | $62.4M | 1.02% | −65,585−8.6% | Reduced |
| First Financial Bankshares Inc | 694,223 | $62.3M | 1.34% | −150,162−17.8% | Reduced |
| Nisa Investment Advisors, LLC | 677,428 | $61.4M | 0.31% | −184,516−21.4% | Reduced |
| Fifth Third Bancorp | 680,395 | $61.1M | 0.23% | −60,238−8.1% | Reduced |
| RE Advisers Corp | 678,804 | $60.9M | 1.49% | 00.0% | Unchanged |
| Calamos Advisors LLC | 668,215 | $60.0M | 0.28% | −184,632−21.6% | Reduced |
| Perpetual Ltd | 662,014 | $59.4M | 0.72% | +76,619+13.1% | Added |
| SG Americas Securities, LLC | 660,695 | $59.3M | 0.20% | +579,196+710.7% | Added |
| Nicholas Company, Inc. | 659,192 | $59.2M | 1.02% | −4,194−0.6% | Reduced |
| Advisor Group Holdings, Inc. | 651,179 | $58.5M | 0.13% | −113,960−14.9% | Reduced |
| Cacti Asset Management LLC | 647,298 | $57.8M | 4.62% | +3,000+0.5% | Added |
| CWM, LLC | 631,814 | $56.7M | 0.23% | +21,544+3.5% | Added |
| Harvest Portfolios Group Inc. | 628,424 | $56.4M | 1.67% | +86,268+15.9% | Added |
| Ofi Invest Asset Management | 678,353 | $56.4M | 1.48% | +2850.0% | Added |
| Xponance, Inc. | 626,496 | $56.2M | 0.54% | +22,900+3.8% | Added |
| Peapack Gladstone Financial Corp | 624,014 | $56.0M | 0.83% | −74,951−10.7% | Reduced |
| Distillate Capital Partners LLC | 623,414 | $56.0M | 2.87% | +623,414 | New |
| Mercer Global Advisors Inc | 621,578 | $55.8M | 0.13% | −11,628−1.8% | Reduced |
| Ferguson Wellman Capital Management, Inc | 618,026 | $55.5M | 1.08% | −158,346−20.4% | Reduced |
| Gateway Investment Advisers LLC | 615,565 | $55.3M | 0.63% | +61,003+11.0% | Added |
| Old Republic International Corporation | 613,600 | $55.1M | 2.14% | +5,500+0.9% | Added |
| Capitolis Liquid Global Markets LLC | 603,700 | $54.2M | 0.48% | 00.0% | Unchanged |
| Boston Trust Walden Corp | 603,176 | $54.1M | 0.40% | −30,447−4.8% | Reduced |
| Compass Capital Management, Inc | 598,498 | $53.7M | 3.53% | +111,151+22.8% | Added |
| Czech National Bank | 581,018 | $52.2M | 0.48% | +32,543+5.9% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 578,495 | $51.9M | 0.31% | +40,619+7.6% | Added |
| ProShare Advisors LLC | 574,728 | $51.6M | 0.12% | −16,339−2.8% | Reduced |
| Twinbeech Capital LP | 574,130 | $51.5M | 0.94% | +521,861+998.4% | Added |
| Schonfeld Strategic Advisors LLC | 566,604 | $50.9M | 0.34% | +124,962+28.3% | Added |
| Heritage Wealth Advisors | 565,494 | $50.8M | 2.57% | +30,524+5.7% | Added |
| Corebridge Financial, Inc. | 564,199 | $50.6M | 0.29% | −17,190−3.0% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 563,657 | $50.6M | 1.64% | −1,227−0.2% | Reduced |
| Andra AP-fonden | 561,700 | $50.4M | 0.83% | −15,000−2.6% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 558,588 | $50.1M | 0.51% | −73,767−11.7% | Reduced |
| Haverford Trust Co | 554,189 | $49.7M | 0.50% | −174,880−24.0% | Reduced |
| D.A. Davidson & Co. | 551,950 | $49.5M | 0.40% | −14,084−2.5% | Reduced |
| CIBC Asset Management Inc | 550,287 | $49.4M | 0.16% | +60,563+12.4% | Added |
| Adviser Investments LLC | 547,984 | $49.2M | 0.62% | +1,394+0.3% | Added |
| Pictet & Cie (Europe) SA | 545,828 | $49.0M | 1.17% | −50,457−8.5% | Reduced |
| Retirement Systems of Alabama | 543,592 | $48.8M | 0.19% | −757,134−58.2% | Reduced |
| M&G Plc | 540,984 | $48.7M | 0.23% | −14,644−2.6% | Reduced |
| Amalgamated Bank | 540,304 | $48.5M | 0.42% | +13,211+2.5% | Added |
| Bridgewater Associates, LP | 534,866 | $48.0M | 0.22% | −904,564−62.8% | Reduced |
| Fort Washington Investment Advisors Inc | 534,391 | $48.0M | 0.29% | −12,411−2.3% | Reduced |
| Daiwa Securities Group Inc. | 529,526 | $47.5M | 0.20% | +92,429+21.1% | Added |
| Kornitzer Capital Management Inc | 527,032 | $47.3M | 0.98% | −11,457−2.1% | Reduced |
| QRG Capital Management, Inc. | 523,325 | $47.0M | 0.49% | −5,275−1.0% | Reduced |
| AIA Group Ltd | 517,700 | $46.5M | 1.14% | −28,235−5.2% | Reduced |
| Douglas Lane & Associates, LLC | 511,415 | $45.9M | 0.68% | −8,174−1.6% | Reduced |
| Whittier Trust Co | 510,476 | $45.8M | 0.64% | +2,446+0.5% | Added |
| Radnor Capital Management, LLC | 507,498 | $45.6M | 7.63% | −13,268−2.5% | Reduced |
| Kempen Capital Management N.V. | 503,208 | $45.2M | 0.47% | −1,292,388−72.0% | Reduced |
| MML Investors Services, LLC | 502,573 | $45.1M | 0.15% | +9,190+1.9% | Added |
| Susquehanna International Group, LLP | 501,456 | $45.0M | 0.07% | −978,665−66.1% | Reduced |
| Empowered Funds, LLC | 500,902 | $45.0M | 0.64% | +180,118+56.1% | Added |
| Guggenheim Capital LLC | 499,975 | $44.9M | 0.42% | +112,579+29.1% | Added |
| Wiley Bros.-Aintree Capital, LLC | 501,779 | $44.8M | 0.48% | +80,574+19.1% | Added |
| Rathbone Brothers plc | 497,806 | $44.7M | 0.22% | −764,209−60.6% | Reduced |
| Aristotle Atlantic Partners, LLC | 496,610 | $44.6M | 1.50% | 00.0% | Unchanged |
| Rockland Trust Co | 493,234 | $44.3M | 2.23% | +76,223+18.3% | Added |
| Kahn Brothers Group Inc | 492,275 | $44.2M | 8.94% | −16,633−3.3% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 491,424 | $44.1M | 0.44% | +1,051+0.2% | Added |
| Steward Partners Investment Advisory, LLC | 491,517 | $44.1M | 0.39% | +7,481+1.5% | Added |
| Pathstone Holdings, LLC | 489,335 | $43.9M | 0.19% | −30,924−5.9% | Reduced |
| Factory Mutual Insurance Co | 487,780 | $43.8M | 0.51% | −71,200−12.7% | Reduced |
| Assenagon Asset Management S.A. | 487,044 | $43.7M | 0.08% | −222,494−31.4% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 486,560 | $43.7M | 0.10% | −1,878,640−79.4% | Reduced |
| IFM Investors Pty Ltd | 485,085 | $43.5M | 0.47% | −3,764−0.8% | Reduced |
| FIL Ltd | 484,182 | $43.5M | 0.04% | +265,942+121.9% | Added |
| British Columbia Investment Management Corp | 483,770 | $43.4M | 0.27% | −1,638−0.3% | Reduced |
| Border to Coast Pensions Partnership Ltd | 479,329 | $43.0M | 0.88% | 00.0% | Unchanged |