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, Q4 2022
Institutional positions in Merck & Co., Inc. as of Dec 31, 2022. 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
- 3,243
- +304 vs. Q3 2022
- Shares held
- 1.91B
- +33.5M (+1.8%) vs. Q3 2022
- Total value
- $212.2B
- +$50.0B (+30.9%) vs. Q3 2022
- New holders
- 395
- 1,191 more added
- Sold out
- 91
- 1,329 more reduced
57 institutions that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2022: 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, Q4 2022
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Banque Pictet & Cie SA | 822,398 | $91.2M | 0.95% | −1930.0% | Reduced |
| Factory Mutual Insurance Co | 809,780 | $89.8M | 1.36% | −139,673−14.7% | Reduced |
| Los Angeles Capital Management LLC | 809,020 | $89.8M | 0.44% | +85,594+11.8% | Added |
| Man Group plc | 803,018 | $89.1M | 0.32% | +22,898+2.9% | Added |
| Fort Washington Investment Advisors Inc | 797,461 | $88.5M | 0.69% | −40,545−4.8% | Reduced |
| Boston Trust Walden Corp | 786,802 | $87.3M | 0.77% | −11,720−1.5% | Reduced |
| Oregon Public Employees Retirement Fund | 776,001 | $86.1M | 1.11% | +118,258+18.0% | Added |
| Artisan Partners Limited Partnership | 774,933 | $86.0M | 0.15% | −371,962−32.4% | Reduced |
| Calamos Advisors LLC | 773,867 | $85.9M | 0.41% | −37,721−4.6% | Reduced |
| Gateway Investment Advisers LLC | 767,097 | $85.1M | 1.05% | +5,609+0.7% | Added |
| Nisa Investment Advisors, LLC | 766,435 | $85.0M | 0.67% | −693−0.1% | Reduced |
| Old Republic International Corporation | 764,100 | $84.8M | 2.66% | −5,400−0.7% | Reduced |
| Avalon Investment & Advisory | 756,392 | $83.9M | 2.39% | −3,341−0.4% | Reduced |
| BI Asset Management Fondsmaeglerselskab A/S | 749,071 | $83.1M | 2.21% | +331,196+79.3% | Added |
| Forsta Ap-Fonden | 744,700 | $82.6M | 0.93% | +149,600+25.1% | Added |
| United Services Automobile Association | 731,200 | $81.1M | 1.86% | −4,319−0.6% | Reduced |
| Peapack Gladstone Financial Corp | 729,598 | $80.9M | 1.59% | −13,140−1.8% | Reduced |
| Compagnie Lombard Odier SCmA | 729,382 | $80.9M | 2.17% | +40,974+6.0% | Added |
| Van Eck Associates Corp | 725,871 | $80.5M | 0.21% | −122,403−14.4% | Reduced |
| State of Michigan Retirement System | 723,790 | $80.3M | 0.56% | −5,400−0.7% | Reduced |
| Intech Investment Management LLC | 716,652 | $79.5M | 0.60% | +18,349+2.6% | Added |
| Vontobel Holding Ltd. | 711,648 | $79.0M | 0.80% | −12,431−1.7% | Reduced |
| MetLife Investment Management | 704,281 | $78.1M | 0.59% | −12,110−1.7% | Reduced |
| Comerica Bank | 704,036 | $77.8M | 0.60% | +2,457+0.4% | Added |
| Blair William & Co | 695,597 | $77.2M | 0.34% | +10,461+1.5% | Added |
| Bank of Nova Scotia | 694,487 | $77.1M | 0.20% | −290,551−29.5% | Reduced |
| Arizona State Retirement System | 690,247 | $76.6M | 0.74% | +2,852+0.4% | Added |
| Kahn Brothers Group Inc | 681,763 | $75.6M | 9.96% | −2,492−0.4% | Reduced |
| Amalgamated Bank | 677,113 | $75.1M | 0.67% | −13,751−2.0% | Reduced |
| Miller Howard Investments Inc | 675,913 | $75.0M | 2.72% | −8,152−1.2% | Reduced |
| Creative Planning | 673,288 | $74.7M | 0.11% | −4,946−0.7% | Reduced |
| RE Advisers Corp | 666,104 | $73.9M | 1.97% | −2,500−0.4% | Reduced |
| American International Group, Inc. | 664,843 | $73.8M | 0.52% | +1,483+0.2% | Added |
| DnB Asset Management AS | 664,397 | $73.7M | 0.52% | +10,322+1.6% | Added |
| Cacti Asset Management LLC | 659,493 | $73.2M | 7.03% | 00.0% | Unchanged |
| Impax Asset Management Group plc | 658,883 | $73.1M | 0.33% | +115,995+21.4% | Added |
| Sound Shore Management Inc | 658,679 | $73.1M | 2.75% | −9,479−1.4% | Reduced |
| Boston Common Asset Management, LLC | 650,695 | $72.2M | 3.45% | +24,752+4.0% | Added |
| Financial Counselors Inc | 643,355 | $71.4M | 1.60% | −70,213−9.8% | Reduced |
| Donaldson Capital Management, LLC | 643,300 | $71.4M | 3.48% | +18,512+3.0% | Added |
| Prio Wealth Limited Partnership | 640,731 | $71.1M | 2.85% | −39,070−5.7% | Reduced |
| Martingale Asset Management L P | 636,064 | $70.6M | 1.38% | −91,058−12.5% | Reduced |
| D.A. Davidson & Co. | 622,735 | $69.1M | 0.82% | −22,630−3.5% | Reduced |
| State of Alaska, Department of Revenue | 617,706 | $68.5M | 0.85% | −7,051−1.1% | Reduced |
| USS Investment Management Ltd | 611,563 | $67.8M | 0.98% | +97,212+18.9% | Added |
| Edmond de Rothschild Holding S.A. | 609,887 | $67.7M | 1.59% | −23,442−3.7% | Reduced |
| Birch Hill Investment Advisors LLC | 606,680 | $67.3M | 4.29% | −5,935−1.0% | Reduced |
| Advisors Asset Management, Inc. | 605,806 | $67.2M | 1.38% | −68,669−10.2% | Reduced |
| Sofinnova Investments, Inc. | 603,356 | $66.9M | 4.07% | +19,888+3.4% | Added |
| Swiss Life Asset Management Ltd | 593,489 | $66.0M | 1.10% | −28,785−4.6% | Reduced |
| Radnor Capital Management, LLC | 593,928 | $65.9M | 16.12% | −710−0.1% | Reduced |
| Marathon Asset Mgmt Ltd | 587,740 | $65.6M | 1.77% | −14,835−2.5% | Reduced |
| Unigestion Holding SA | 582,316 | $64.5M | 3.42% | −14,235−2.4% | Reduced |
| Gibson Wealth Advisors LLC | 630,000 | $64.4M | 1.24% | +620,000+6,200.0% | Added |
| MEAG MUNICH ERGO, Kapitalanlagegesellschaft mbH | 577,037 | $64.0M | 3.44% | +13,946+2.5% | Added |
| CCLA Investment Management Ltd | 575,764 | $63.9M | 1.44% | +2,577+0.4% | Added |
| Nichols & Pratt Advisers LLP | 569,437 | $63.2M | 5.08% | +718+0.1% | Added |
| Twin Tree Management, LP | 567,190 | $62.9M | 1.93% | +374,937+195.0% | Added |
| Panagora Asset Management Inc | 566,839 | $62.9M | 0.41% | −302,423−34.8% | Reduced |
| Kornitzer Capital Management Inc | 565,019 | $62.7M | 1.27% | −3,398−0.6% | Reduced |
| Bradley Foster & Sargent Inc | 563,614 | $62.5M | 1.57% | +1,049+0.2% | Added |
| Cantor Fitzgerald, L. P. | 560,704 | $62.2M | 1.34% | −59,295−9.6% | Reduced |
| Colony Group LLC | 552,559 | $61.3M | 0.86% | +149,396+37.1% | Added |
| Tekla Capital Management LLC | 552,122 | $61.3M | 2.31% | 00.0% | Unchanged |
| Empire Life Investments Inc. | 550,644 | $61.1M | 4.19% | −179,872−24.6% | Reduced |
| Employees Retirement System of Texas | 549,424 | $61.0M | 0.89% | +70,000+14.6% | Added |
| ProShare Advisors LLC | 547,898 | $60.8M | 0.21% | +18,198+3.4% | Added |
| E. Ohman J:or Asset Management AB | 546,884 | $60.7M | 2.65% | −92,850−14.5% | Reduced |
| M&G Investment Management Ltd | 544,084 | $60.4M | 0.45% | −140,178−20.5% | Reduced |
| Tredje AP-fonden | 542,840 | $60.2M | 1.03% | +96,824+21.7% | Added |
| Ardevora Asset Management LLP | 538,341 | $59.7M | 1.02% | −61,359−10.2% | Reduced |
| Douglas Lane & Associates, LLC | 538,132 | $59.7M | 1.00% | −31,234−5.5% | Reduced |
| Two Sigma Advisers, LP | 533,199 | $59.2M | 0.17% | −2,119,100−79.9% | Reduced |
| CIBC Asset Management Inc | 532,668 | $59.1M | 0.25% | −109,023−17.0% | Reduced |
| United Capital Financial Advisers, LLC | 532,097 | $59.0M | 0.33% | +1,385+0.3% | Added |
| Banco Bilbao Vizcaya Argentaria, S.A. | 529,920 | $58.7M | 0.86% | +82,235+18.4% | Added |
| Aristotle Atlantic Partners, LLC | 526,810 | $58.4M | 3.27% | 00.0% | Unchanged |
| Manning & Napier Group, LLC | 522,437 | $58.0M | 0.71% | −13,125−2.5% | Reduced |
| Rathbone Brothers plc | 521,327 | $57.8M | 0.65% | +173,021+49.7% | Added |
| MML Investors Services, LLC | 517,930 | $57.5M | 0.38% | +15,767+3.1% | Added |
| Woodline Partners LP | 512,335 | $56.8M | 0.78% | −466,152−47.6% | Reduced |
| CWM, LLC | 511,126 | $56.7M | 0.42% | +14,074+2.8% | Added |
| Stephens Inc | 510,515 | $56.6M | 1.16% | +14,425+2.9% | Added |
| Dearborn Partners LLC | 507,818 | $56.3M | 2.27% | −4,637−0.9% | Reduced |
| Boston Private Wealth LLC | 498,452 | $55.3M | 0.75% | −29,977−5.7% | Reduced |
| Magnetar Financial LLC | 498,228 | $55.3M | 0.94% | −273,261−35.4% | Reduced |
| Mercer Global Advisors Inc | 494,726 | $54.9M | 0.27% | +67,226+15.7% | Added |
| Varma Mutual Pension Insurance Co | 492,926 | $54.7M | 0.77% | +50,000+11.3% | Added |
| CIBC Private Wealth Group, LLC | 1,180,919 | $53.8M | 0.18% | +40,184+3.5% | Added |
| Westpac Banking Corp | 482,608 | $53.5M | 0.79% | +76,911+19.0% | Added |
| Cookson Peirce & Co Inc | 480,867 | $53.4M | 3.47% | +311,855+184.5% | Added |
| Cambridge Investment Research Advisors, Inc. | 478,567 | $53.1M | 0.28% | +31,619+7.1% | Added |
| Fort Pitt Capital Group, LLC | 468,638 | $52.0M | 2.12% | +4,358+0.9% | Added |
| Saturna Capital CORP | 467,779 | $51.9M | 1.12% | +449,810+2,503.3% | Added |
| Trillium Asset Management, LLC | 467,396 | $51.9M | 1.60% | −10,419−2.2% | Reduced |
| IFM Investors Pty Ltd | 466,267 | $51.7M | 0.87% | +28,701+6.6% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 461,391 | $51.2M | 1.04% | +17,438+3.9% | Added |
| Bokf, NA | 460,795 | $51.1M | 0.94% | +27,057+6.2% | Added |
| Pinnacle Associates Ltd | 458,096 | $50.8M | 1.11% | −13,558−2.9% | Reduced |
| Heritage Wealth Advisors | 458,072 | $50.8M | 2.94% | +7,649+1.7% | Added |