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 2024
Institutional positions in Merck & Co., Inc. as of Mar 31, 2024. 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
- 3,546
- +150 vs. Q4 2023
- Shares held
- 1.95B
- +20.1M (+1.0%) vs. Q4 2023
- Total value
- $256.9B
- +$46.5B (+22.1%) vs. Q4 2023
- New holders
- 261
- 1,416 more added
- Sold out
- 111
- 1,490 more reduced
47 institutions that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2024
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Quilter Plc | 874,777 | $115.4M | 2.73% | −2,101−0.2% | Reduced |
| Compagnie Lombard Odier SCmA | 864,908 | $114.1M | 2.02% | +165,131+23.6% | Added |
| Saturna Capital CORP | 864,424 | $114.1M | 1.57% | +104,586+13.8% | Added |
| Zurich Insurance Group Ltd | 859,810 | $113.5M | 1.04% | +819,914+2,055.1% | Added |
| Tredje AP-fonden | 859,022 | $113.3M | 1.18% | +257,000+42.7% | Added |
| Los Angeles Capital Management LLC | 848,781 | $112.0M | 0.38% | +472,479+125.6% | Added |
| First Financial Bankshares Inc | 842,586 | $111.2M | 2.50% | −6,688−0.8% | Reduced |
| UniSuper Management Pty Ltd | 838,063 | $110.6M | 1.06% | +19,831+2.4% | Added |
| Creative Planning | 826,535 | $109.1M | 0.12% | +39,464+5.0% | Added |
| Haverford Trust Co | 821,450 | $108.4M | 1.13% | +7,191+0.9% | Added |
| ING Groep NV | 815,788 | $107.6M | 0.74% | −484,136−37.2% | Reduced |
| Crawford Investment Counsel Inc | 811,729 | $107.1M | 2.00% | −12,115−1.5% | Reduced |
| Colony Group, LLC | 794,288 | $104.8M | 0.85% | +271,718+52.0% | Added |
| Tocqueville Asset Management L.P. | 788,836 | $104.1M | 1.70% | −2,801−0.4% | Reduced |
| Penserra Capital Management LLC | 786,000 | $103.7M | 1.30% | −87,295−10.0% | Reduced |
| Cetera Investment Advisers | 765,846 | $101.1M | 0.24% | +549,961+254.7% | Added |
| Public Sector Pension Investment Board | 757,253 | $99.9M | 0.72% | −107,750−12.5% | Reduced |
| Groupama Asset Managment | 696,042 | $98.8M | 1.81% | −809,347−53.8% | Reduced |
| Mercer Global Advisors Inc | 745,487 | $98.4M | 0.28% | +31,424+4.4% | Added |
| MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH | 741,345 | $97.8M | 3.54% | −68,454−8.5% | Reduced |
| Blair William & Co | 738,029 | $97.4M | 0.31% | +3130.0% | Added |
| AMF Pensionsforsakring AB | 726,553 | $96.0M | 0.73% | +25,693+3.7% | Added |
| Arizona State Retirement System | 727,180 | $96.0M | 0.66% | +13,264+1.9% | Added |
| Nisa Investment Advisors, LLC | 707,835 | $93.9M | 0.61% | −11,644−1.6% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 711,629 | $93.9M | 1.04% | +22,096+3.2% | Added |
| Peapack Gladstone Financial Corp | 711,347 | $93.9M | 1.47% | +14,139+2.0% | Added |
| State of Michigan Retirement System | 694,290 | $91.6M | 0.49% | +500+0.1% | Added |
| Sound Shore Management Inc | 693,292 | $91.5M | 2.86% | −8,431−1.2% | Reduced |
| Mediolanum International Funds Ltd | 694,125 | $91.5M | 1.49% | +694,125 | New |
| Glenmede Trust Co NA | 691,175 | $91.2M | 0.46% | −20,115−2.8% | Reduced |
| Artisan Partners Limited Partnership | 690,939 | $91.2M | 0.13% | −2,004−0.3% | Reduced |
| LGT Group Foundation | 684,379 | $90.3M | 2.13% | −8,137−1.2% | Reduced |
| Boston Trust Walden Corp | 681,543 | $89.9M | 0.64% | −86,608−11.3% | Reduced |
| Pinebridge Investments, L.P. | 680,016 | $89.7M | 0.72% | −105,684−13.5% | Reduced |
| Forsta Ap-Fonden | 669,900 | $88.4M | 0.75% | +400+0.1% | Added |
| RE Advisers Corp | 665,704 | $87.8M | 2.06% | −1,000−0.1% | Reduced |
| American International Group, Inc. | 651,653 | $86.0M | 0.31% | −4,116−0.6% | Reduced |
| Sofinnova Investments, Inc. | 651,299 | $85.9M | 5.07% | −206,672−24.1% | Reduced |
| DnB Asset Management AS | 646,425 | $85.3M | 0.44% | −83,339−11.4% | Reduced |
| Teacher Retirement System of Texas | 640,395 | $84.5M | 0.54% | +11,308+1.8% | Added |
| Factory Mutual Insurance Co | 639,980 | $84.4M | 0.97% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 635,446 | $83.8M | 0.32% | −188,400−22.9% | Reduced |
| Cacti Asset Management LLC | 645,298 | $83.6M | 6.86% | −14,420−2.2% | Reduced |
| Ofi Invest Asset Management | 669,159 | $81.8M | 2.22% | +9,897+1.5% | Added |
| Kahn Brothers Group Inc | 613,815 | $81.0M | 12.01% | −10,726−1.7% | Reduced |
| MetLife Investment Management | 612,796 | $80.9M | 0.54% | −21,751−3.4% | Reduced |
| Two Sigma Investments, LP | 611,403 | $80.7M | 0.20% | −1,616,116−72.6% | Reduced |
| GWM Advisors LLC | 609,983 | $80.5M | 0.70% | +19,644+3.3% | Added |
| Old Republic International Corporation | 609,850 | $80.5M | 3.16% | 00.0% | Unchanged |
| Employees Retirement System of Texas | 607,424 | $80.2M | 0.88% | 00.0% | Unchanged |
| MML Investors Services, LLC | 598,173 | $78.9M | 0.33% | +12,811+2.2% | Added |
| PFM Health Sciences, LP | 596,261 | $78.7M | 3.91% | 00.0% | Unchanged |
| Prio Wealth Limited Partnership | 591,160 | $78.0M | 2.25% | +8,170+1.4% | Added |
| Atalanta Sosnoff Capital, LLC | 587,186 | $77.5M | 1.79% | −3,143−0.5% | Reduced |
| Gateway Investment Advisers LLC | 586,199 | $77.3M | 0.88% | −37,739−6.0% | Reduced |
| Financial Counselors Inc | 585,622 | $77.3M | 1.30% | −15,005−2.5% | Reduced |
| Sanibel Captiva Trust Company, Inc. | 582,544 | $76.9M | 2.62% | −6,570−1.1% | Reduced |
| First Trust Advisors LP | 582,415 | $76.8M | 0.08% | −208,922−26.4% | Reduced |
| USS Investment Management Ltd | 581,756 | $76.7M | 0.63% | +10,968+1.9% | Added |
| Vontobel Holding Ltd. | 580,407 | $76.6M | 0.61% | −32,353−5.3% | Reduced |
| Fort Pitt Capital Group, LLC | 571,355 | $75.4M | 2.32% | +11,093+2.0% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 569,000 | $75.1M | 0.26% | −306,200−35.0% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 556,292 | $73.4M | 0.50% | +1,374+0.2% | Added |
| HM Payson & Co | 554,349 | $73.1M | 1.36% | −16,175−2.8% | Reduced |
| D.A. Davidson & Co. | 551,083 | $72.7M | 0.66% | −10,129−1.8% | Reduced |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 549,175 | $72.5M | 0.90% | +22,950+4.4% | Added |
| Stephens Inc | 546,450 | $72.1M | 1.12% | +13,465+2.5% | Added |
| Kornitzer Capital Management Inc | 545,189 | $71.9M | 1.32% | −8,132−1.5% | Reduced |
| Pathstone Holdings, LLC | 542,729 | $71.6M | 0.34% | +17,990+3.4% | Added |
| United Services Automobile Association | 538,434 | $71.0M | 1.75% | −86,913−13.9% | Reduced |
| Worldquant Millennium Advisors LLC | 533,912 | $70.4M | 0.87% | +524,948+5,856.2% | Added |
| Amalgamated Bank | 529,974 | $69.9M | 0.60% | −86,601−14.0% | Reduced |
| Radnor Capital Management, LLC | 529,601 | $69.9M | 11.92% | −17,933−3.3% | Reduced |
| Douglas Lane & Associates, LLC | 527,245 | $69.6M | 0.98% | +23,765+4.7% | Added |
| Fort Washington Investment Advisors Inc | 527,072 | $69.5M | 0.45% | −3,621−0.7% | Reduced |
| Texas Permanent School Fund | 523,994 | $69.1M | 0.55% | +608+0.1% | Added |
| IFM Investors Pty Ltd | 521,793 | $68.9M | 0.75% | −2,076−0.4% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 519,170 | $68.3M | 0.78% | −100,222−16.2% | Reduced |
| CWM, LLC | 516,232 | $68.1M | 0.33% | +600+0.1% | Added |
| Avidity Partners Management LP | 502,000 | $66.2M | 2.35% | +502,000 | New |
| Aristotle Atlantic Partners, LLC | 500,610 | $66.1M | 2.16% | −17,000−3.3% | Reduced |
| Berkley W R Corp | 500,000 | $66.0M | 4.12% | +500,000 | New |
| Pictet & Cie (Europe) SA | 499,887 | $66.0M | 1.72% | +210,460+72.7% | Added |
| Teachers Retirement System of the State of Kentucky | 499,680 | $65.9M | 0.59% | −35,125−6.6% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 498,058 | $65.7M | 0.73% | +51,156+11.4% | Added |
| CIBC Asset Management Inc | 493,632 | $65.1M | 0.23% | +9,173+1.9% | Added |
| Whittier Trust Co | 492,945 | $65.0M | 0.95% | +45,350+10.1% | Added |
| ProShare Advisors LLC | 487,079 | $64.3M | 0.17% | −43,822−8.3% | Reduced |
| Varma Mutual Pension Insurance Co | 484,200 | $63.9M | 0.55% | +288,700+147.7% | Added |
| Sapient Capital LLC | 476,221 | $63.2M | 1.40% | −7,642−1.6% | Reduced |
| Donaldson Capital Management, LLC | 477,373 | $63.0M | 2.62% | +6,292+1.3% | Added |
| Border to Coast Pensions Partnership Ltd | 475,223 | $62.7M | 1.40% | 00.0% | Unchanged |
| Nichols & Pratt Advisers LLP | 473,910 | $62.5M | 4.21% | −16,487−3.4% | Reduced |
| Illinois Municipal Retirement Fund | 470,775 | $62.1M | 0.95% | −4,362−0.9% | Reduced |
| Pinnacle Associates Ltd | 470,102 | $62.0M | 0.98% | −3,963−0.8% | Reduced |
| QRG Capital Management, Inc. | 469,726 | $62.0M | 0.79% | −92,233−16.4% | Reduced |
| Cookson Peirce & Co Inc | 468,973 | $61.9M | 3.30% | −2,730−0.6% | Reduced |
| Empire Life Investments Inc. | 468,462 | $61.8M | 3.80% | −10,475−2.2% | Reduced |
| Heritage Wealth Advisors | 466,425 | $61.5M | 2.81% | +8,073+1.8% | Added |
| Steward Partners Investment Advisory, LLC | 465,323 | $61.4M | 0.68% | +97,805+26.6% | Added |