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 2023
Institutional positions in Merck & Co., Inc. as of Sep 30, 2023. 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
- 3,221
- +1 vs. Q2 2023
- Shares held
- 1.92B
- −11.1M (−0.6%) vs. Q2 2023
- Total value
- $197.7B
- −$24.4B (−11.0%) vs. Q2 2023
- New holders
- 148
- 1,298 more added
- Sold out
- 147
- 1,409 more reduced
41 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 | 3,813 | $231.9B |
| Q4 2025 | 3,675 | $206.6B |
| Q3 2025 | 3,320 | $159.8B |
| Q2 2025 | 3,338 | $155.9B |
| Q1 2025 | 3,460 | $177.7B |
| Q4 2024 | 3,619 | $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 2023
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 841,030 | $86.6M | 1.15% | −16,500−1.9% | Reduced |
| UniSuper Management Pty Ltd | 837,221 | $86.2M | 1.06% | +55,376+7.1% | Added |
| Haverford Trust Co | 808,399 | $83.2M | 1.01% | −26,565−3.2% | Reduced |
| Tocqueville Asset Management L.P. | 788,439 | $81.2M | 1.54% | −19,044−2.4% | Reduced |
| Impax Asset Management Group plc | 781,036 | $80.4M | 0.36% | +5,523+0.7% | Added |
| AMF Pensionsforsakring AB | 748,755 | $77.2M | 0.75% | −387,978−34.1% | Reduced |
| Nisa Investment Advisors, LLC | 749,990 | $77.2M | 0.59% | −7,886−1.0% | Reduced |
| Boston Trust Walden Corp | 749,842 | $77.2M | 0.65% | −2,111−0.3% | Reduced |
| Jupiter Asset Management Ltd | 728,802 | $75.0M | 0.83% | +725,854+24,621.9% | Added |
| Sofinnova Investments, Inc. | 728,404 | $75.0M | 5.21% | +201,031+38.1% | Added |
| Blair William & Co | 722,595 | $74.4M | 0.29% | +4,288+0.6% | Added |
| MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH | 721,353 | $74.3M | 3.24% | +85,301+13.4% | Added |
| State of Michigan Retirement System | 720,790 | $74.2M | 0.48% | −8,400−1.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 720,348 | $74.2M | 0.75% | −6,800−0.9% | Reduced |
| DnB Asset Management AS | 720,332 | $74.2M | 0.44% | +36,108+5.3% | Added |
| Arizona State Retirement System | 718,227 | $73.9M | 0.63% | −7,162−1.0% | Reduced |
| Zurich Insurance Group Ltd | 708,059 | $72.9M | 0.77% | −454,523−39.1% | Reduced |
| Peapack Gladstone Financial Corp | 706,318 | $72.7M | 1.35% | −1,052−0.1% | Reduced |
| Sound Shore Management Inc | 703,293 | $72.4M | 2.77% | −47,452−6.3% | Reduced |
| LGT Group Foundation | 705,707 | $72.4M | 1.79% | +23,964+3.5% | Added |
| Bank of Nova Scotia | 695,421 | $71.6M | 0.19% | +27,759+4.2% | Added |
| Miller Howard Investments Inc | 680,866 | $70.1M | 2.57% | −5,175−0.8% | Reduced |
| Artisan Partners Limited Partnership | 677,259 | $69.7M | 0.12% | +1,530+0.2% | Added |
| American International Group, Inc. | 668,272 | $68.8M | 0.45% | −11,110−1.6% | Reduced |
| RE Advisers Corp | 665,604 | $68.5M | 1.90% | +10,000+1.5% | Added |
| Cacti Asset Management LLC | 659,493 | $68.1M | 6.48% | 00.0% | Unchanged |
| Saturna Capital CORP | 659,786 | $67.9M | 1.20% | −490−0.1% | Reduced |
| Forsta Ap-Fonden | 658,500 | $67.8M | 0.76% | +5,600+0.9% | Added |
| Amalgamated Bank | 648,143 | $66.7M | 0.57% | −112,586−14.8% | Reduced |
| MetLife Investment Management | 647,188 | $66.6M | 0.52% | −16,401−2.5% | Reduced |
| Factory Mutual Insurance Co | 639,980 | $65.9M | 0.92% | 00.0% | Unchanged |
| Van Eck Associates Corp | 639,393 | $65.8M | 0.14% | +34,220+5.7% | Added |
| Kahn Brothers Group Inc | 638,793 | $65.8M | 10.26% | −9,878−1.5% | Reduced |
| Teacher Retirement System of Texas | 637,389 | $65.6M | 0.44% | −76,327−10.7% | Reduced |
| USS Investment Management Ltd | 636,649 | $65.6M | 0.72% | +13,862+2.2% | Added |
| Compagnie Lombard Odier SCmA | 636,186 | $65.5M | 1.51% | +40,212+6.7% | Added |
| Panagora Asset Management Inc | 631,914 | $65.1M | 0.40% | +86,144+15.8% | Added |
| Vontobel Holding Ltd. | 630,189 | $64.9M | 0.60% | −35,199−5.3% | Reduced |
| United Services Automobile Association | 626,000 | $64.4M | 1.62% | +8,983+1.5% | Added |
| Gateway Investment Advisers LLC | 624,683 | $64.3M | 0.81% | −67,425−9.7% | Reduced |
| Old Republic International Corporation | 618,850 | $63.7M | 2.38% | −142,500−18.7% | Reduced |
| ExodusPoint Capital Management, LP | 617,649 | $63.6M | 0.82% | +213,398+52.8% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 610,437 | $62.8M | 0.33% | +402,110+193.0% | Added |
| Employees Retirement System of Texas | 607,424 | $62.5M | 0.93% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 602,675 | $62.0M | 0.54% | −136,123−18.4% | Reduced |
| D.A. Davidson & Co. | 599,247 | $61.7M | 0.67% | −2,043−0.3% | Reduced |
| Financial Counselors Inc | 598,233 | $61.6M | 1.23% | +8,628+1.5% | Added |
| Atalanta Sosnoff Capital, LLC | 597,213 | $61.5M | 1.82% | −288,398−32.6% | Reduced |
| PFM Health Sciences, LP | 596,261 | $61.4M | 2.94% | 00.0% | Unchanged |
| Mercer Global Advisors Inc | 581,911 | $59.9M | 0.23% | −19,181−3.2% | Reduced |
| Prio Wealth Limited Partnership | 576,669 | $59.4M | 2.28% | −11,136−1.9% | Reduced |
| ProShare Advisors LLC | 567,431 | $58.4M | 0.18% | −35,302−5.9% | Reduced |
| Radnor Capital Management, LLC | 564,782 | $58.1M | 11.57% | −6,895−1.2% | Reduced |
| Fort Washington Investment Advisors Inc | 562,322 | $57.9M | 0.44% | +10,627+1.9% | Added |
| ING Groep NV | 559,773 | $57.6M | 0.51% | −227,004−28.9% | Reduced |
| Kornitzer Capital Management Inc | 558,616 | $57.5M | 1.19% | −60.0% | Reduced |
| Oregon Public Employees Retirement Fund | 555,861 | $57.2M | 0.79% | −161,903−22.6% | Reduced |
| QRG Capital Management, Inc. | 553,681 | $57.0M | 0.99% | +553,681 | New |
| GWM Advisors LLC | 550,824 | $56.7M | 0.62% | +22,909+4.3% | Added |
| Manning & Napier Group, LLC | 546,549 | $56.3M | 0.70% | −19,496−3.4% | Reduced |
| Perpetual Ltd | 545,144 | $56.1M | 0.58% | +47,289+9.5% | Added |
| MML Investors Services, LLC | 540,122 | $55.6M | 0.31% | −15,102−2.7% | Reduced |
| Tredje AP-fonden | 534,892 | $55.1M | 0.81% | +10,452+2.0% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 529,739 | $54.5M | 0.85% | +14,788+2.9% | Added |
| Fort Pitt Capital Group, LLC | 527,602 | $54.3M | 2.04% | +21,645+4.3% | Added |
| Texas Permanent School Fund | 524,501 | $54.0M | 0.53% | −7,765−1.5% | Reduced |
| Martingale Asset Management L P | 524,037 | $53.9M | 1.14% | −22,559−4.1% | Reduced |
| HM Payson & Co | 523,858 | $53.9M | 1.26% | +241,222+85.3% | Added |
| Colony Group LLC | 523,409 | $53.9M | 0.81% | −543−0.1% | Reduced |
| IFM Investors Pty Ltd | 518,700 | $53.4M | 0.70% | +13,511+2.7% | Added |
| United Capital Financial Advisers, LLC | 517,704 | $53.3M | 0.35% | +16,368+3.3% | Added |
| Aristotle Atlantic Partners, LLC | 517,610 | $53.3M | 2.13% | −9,200−1.7% | Reduced |
| Harvest Portfolios Group Inc. | 514,151 | $52.9M | 2.50% | +52,886+11.5% | Added |
| Bradley Foster & Sargent Inc | 456,764 | $52.7M | 1.11% | 00.0% | Unchanged |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 510,214 | $52.5M | 0.43% | +67,677+15.3% | Added |
| E. Ohman J:or Asset Management AB | 509,107 | $52.4M | 1.97% | −72,820−12.5% | Reduced |
| CWM, LLC | 508,663 | $52.4M | 0.32% | +2,277+0.4% | Added |
| CIBC Asset Management Inc | 503,110 | $51.8M | 0.22% | −8,559−1.7% | Reduced |
| Nichols & Pratt Advisers LLP | 503,271 | $51.8M | 3.92% | −20,732−4.0% | Reduced |
| Stephens Inc | 502,458 | $51.7M | 0.99% | −5,199−1.0% | Reduced |
| Douglas Lane & Associates, LLC | 502,338 | $51.7M | 0.87% | −5,805−1.1% | Reduced |
| Todd Asset Management LLC | 496,551 | $51.1M | 1.22% | −4,644−0.9% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 493,370 | $50.7M | 0.68% | +11,040+2.3% | Added |
| Ofi Invest Asset Management | 521,478 | $50.7M | 1.83% | −2,304−0.4% | Reduced |
| Empire Life Investments Inc. | 491,717 | $50.6M | 3.71% | −3,514−0.7% | Reduced |
| Heritage Wealth Advisors | 487,389 | $50.2M | 2.74% | +6,922+1.4% | Added |
| Unigestion Holding SA | 485,111 | $49.9M | 3.07% | −5,430−1.1% | Reduced |
| Cookson Peirce & Co Inc | 483,277 | $49.8M | 3.26% | +5,446+1.1% | Added |
| Border to Coast Pensions Partnership Ltd | 475,223 | $49.6M | 1.32% | 00.0% | Unchanged |
| State of Alaska, Department of Revenue | 480,202 | $49.4M | 0.62% | −11,825−2.4% | Reduced |
| Donaldson Capital Management, LLC | 479,854 | $49.4M | 2.33% | +6,710+1.4% | Added |
| Trillium Asset Management, LLC | 477,897 | $49.2M | 1.48% | −31,696−6.2% | Reduced |
| Pinnacle Associates Ltd | 475,156 | $48.9M | 0.91% | −3,900−0.8% | Reduced |
| MUFG Securities EMEA plc | 465,000 | $47.9M | 5.12% | +465,000 | New |
| Birch Hill Investment Advisors LLC | 464,623 | $47.8M | 2.85% | −1,343−0.3% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 458,986 | $47.3M | 0.71% | −9,586−2.0% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 458,799 | $47.2M | 0.22% | −20,202−4.2% | Reduced |
| Fukoku Mutual Life Insurance Co | 454,846 | $46.8M | 4.28% | 00.0% | Unchanged |
| Clark Capital Management Group, Inc. | 453,540 | $46.7M | 0.47% | −453,604−50.0% | Reduced |
| Whittier Trust Co | 443,743 | $45.7M | 0.81% | +4,785+1.1% | Added |