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 2022
Institutional positions in Merck & Co., Inc. as of Mar 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
- 2,961
- +84 vs. Q4 2021
- Shares held
- 1.85B
- +18.6K (0.0%) vs. Q4 2021
- Total value
- $152.1B
- +$10.0B (+7.1%) vs. Q4 2021
- New holders
- 187
- 1,425 more added
- Sold out
- 103
- 1,009 more reduced
33 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: 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 2022
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Woodline Partners LP | 869,391 | $71.3M | 1.19% | +849,367+4,241.7% | Added |
| Edgar Lomax Co | 867,810 | $71.2M | 4.18% | +309,360+55.4% | Added |
| Fifth Third Bancorp | 861,695 | $70.7M | 0.29% | +57,764+7.2% | Added |
| Value Partners Investments Inc. | 858,534 | $70.4M | 5.97% | +62,515+7.9% | Added |
| Handelsbanken Fonder AB | 851,263 | $69.8M | 0.39% | −86,137−9.2% | Reduced |
| Martingale Asset Management L P | 844,110 | $69.3M | 1.04% | −88,629−9.5% | Reduced |
| Jupiter Asset Management Ltd | 834,320 | $68.5M | 0.81% | −112,047−11.8% | Reduced |
| Rockefeller Capital Management L.P. | 822,917 | $67.5M | 0.33% | +102,128+14.2% | Added |
| Boston Trust Walden Corp | 818,915 | $67.2M | 0.55% | +6,063+0.7% | Added |
| USS Investment Management Ltd | 817,121 | $67.0M | 0.56% | +28,802+3.7% | Added |
| Lazard Asset Management LLC | 803,413 | $65.9M | 0.08% | +244,353+43.7% | Added |
| Glenmede Trust Co NA | 802,952 | $65.9M | 0.32% | −52,482−6.1% | Reduced |
| Nomura Asset Management Co Ltd | 802,335 | $65.8M | 0.36% | +944+0.1% | Added |
| Empire Life Investments Inc. | 786,628 | $64.5M | 4.13% | −10,495−1.3% | Reduced |
| Nisa Investment Advisors, LLC | 785,339 | $64.4M | 0.45% | −5,671−0.7% | Reduced |
| ProShare Advisors LLC | 784,076 | $64.3M | 0.14% | −34,725−4.2% | Reduced |
| Bridgewater Associates, LP | 784,070 | $64.3M | 0.26% | +393,728+100.9% | Added |
| Edmond de Rothschild Holding S.A. | 779,149 | $63.9M | 1.40% | +9,836+1.3% | Added |
| Avalon Investment & Advisory | 774,865 | $63.6M | 1.54% | +17,034+2.2% | Added |
| Gateway Investment Advisers LLC | 765,724 | $62.8M | 0.62% | +5,920+0.8% | Added |
| CIBC World Markets Inc. | 764,463 | $62.7M | 0.21% | +159,657+26.4% | Added |
| Compagnie Lombard Odier SCmA | 759,465 | $62.3M | 1.32% | −2,957−0.4% | Reduced |
| KBC Group NV | 757,723 | $62.2M | 0.25% | −883,835−53.8% | Reduced |
| National Bank of Canada | 747,209 | $62.0M | 0.24% | −172,146−18.7% | Reduced |
| Comerica Bank | 713,385 | $61.7M | 0.45% | +3,505+0.5% | Added |
| Great Lakes Advisors, LLC | 740,112 | $60.7M | 1.00% | −19,508−2.6% | Reduced |
| Quilter Plc | 736,228 | $60.4M | 1.64% | +67,978+10.2% | Added |
| Los Angeles Capital Management LLC | 735,881 | $60.4M | 0.24% | +7,398+1.0% | Added |
| M&G Investment Management Ltd | 734,795 | $60.3M | 0.13% | +11,065+1.5% | Added |
| Banque Pictet & Cie SA | 727,924 | $59.7M | 0.46% | +4,006+0.6% | Added |
| Nicholas Company, Inc. | 713,657 | $58.6M | 1.04% | −470−0.1% | Reduced |
| American International Group, Inc. | 697,584 | $57.2M | 0.31% | −21,506−3.0% | Reduced |
| Kahn Brothers Group Inc | 694,535 | $57.0M | 7.24% | −14,689−2.1% | Reduced |
| Arizona State Retirement System | 693,116 | $56.9M | 0.46% | −1780.0% | Reduced |
| Prio Wealth Limited Partnership | 691,342 | $56.7M | 1.87% | +12,123+1.8% | Added |
| MetLife Investment Management | 687,469 | $56.4M | 0.37% | +129,382+23.2% | Added |
| Financial Counselors Inc | 684,488 | $56.2M | 1.16% | +37,082+5.7% | Added |
| Peapack Gladstone Financial Corp | 683,166 | $56.1M | 1.10% | +8,510+1.3% | Added |
| D. E. Shaw & Co., Inc. | 680,627 | $55.8M | 0.07% | +5,031+0.7% | Added |
| Birch Hill Investment Advisors LLC | 680,194 | $55.8M | 2.98% | −29,885−4.2% | Reduced |
| E. Ohman J:or Asset Management AB | 678,038 | $55.6M | 1.86% | +23,642+3.6% | Added |
| DnB Asset Management AS | 677,994 | $55.6M | 0.33% | +25,402+3.9% | Added |
| ING Groep NV | 674,032 | $55.3M | 0.56% | +254,827+60.8% | Added |
| RE Advisers Corp | 670,104 | $55.0M | 1.35% | −10,200−1.5% | Reduced |
| PGGM Investments | 716,636 | $54.9M | 0.27% | 00.0% | Unchanged |
| Amalgamated Bank | 666,959 | $54.7M | 0.43% | −44,651−6.3% | Reduced |
| Amalgamated Financial Corp. | 666,959 | $54.7M | 0.43% | +666,959 | New |
| Cacti Asset Management LLC | 657,893 | $54.5M | 4.34% | +7,150+1.1% | Added |
| Manning & Napier Group, LLC | 663,931 | $54.5M | 0.52% | −34,260−4.9% | Reduced |
| CIBC World Markets Corp | 658,234 | $54.0M | 0.42% | −295,537−31.0% | Reduced |
| Donaldson Capital Management, LLC | 655,134 | $53.8M | 2.45% | +18,935+3.0% | Added |
| Creative Planning | 654,909 | $53.7M | 0.08% | +196,813+43.0% | Added |
| Boston Common Asset Management, LLC | 643,090 | $52.8M | 2.28% | +290,975+82.6% | Added |
| Letko, Brosseau & Associates Inc | 639,759 | $52.5M | 0.78% | −11,647−1.8% | Reduced |
| Blair William & Co | 639,292 | $52.5M | 0.18% | −84,408−11.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 637,749 | $52.3M | 0.52% | −16,427−2.5% | Reduced |
| Forsta Ap-Fonden | 637,200 | $52.3M | 0.59% | +52,700+9.0% | Added |
| State of Michigan Retirement System | 636,990 | $52.3M | 0.30% | +1,073+0.2% | Added |
| State of Alaska, Department of Revenue | 635,277 | $52.1M | 0.55% | −30,145−4.5% | Reduced |
| United Services Automobile Association | 634,275 | $52.0M | 0.97% | 00.0% | Unchanged |
| Calamos Advisors LLC | 631,280 | $51.8M | 0.20% | −167,898−21.0% | Reduced |
| AustralianSuper Pty Ltd | 628,402 | $51.6M | 0.30% | +425,839+210.2% | Added |
| Radnor Capital Management, LLC | 614,878 | $50.5M | 12.66% | −29,280−4.5% | Reduced |
| D.A. Davidson & Co. | 610,184 | $50.1M | 0.55% | +4,196+0.7% | Added |
| Captrust Financial Advisors | 596,836 | $49.4M | 0.32% | +143,892+31.8% | Added |
| Loomis Sayles & Co L P | 599,333 | $49.2M | 0.07% | +186,476+45.2% | Added |
| Vontobel Holding Ltd. | 589,695 | $48.6M | 0.42% | +22,236+3.9% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 589,058 | $48.3M | 0.29% | −46,190−7.3% | Reduced |
| Kornitzer Capital Management Inc | 580,961 | $47.7M | 0.79% | +1,740+0.3% | Added |
| Douglas Lane & Associates, LLC | 579,495 | $47.5M | 0.67% | −3,786−0.6% | Reduced |
| Swiss Life Asset Management Ltd | 579,877 | $47.5M | 0.67% | +38,584+7.1% | Added |
| Tekla Capital Management LLC | 575,622 | $47.2M | 1.66% | −212,500−27.0% | Reduced |
| Magnetar Financial LLC | 574,748 | $47.2M | 0.51% | +510,484+794.4% | Added |
| Abeille Asset Management SA | 574,615 | $47.1M | 1.35% | +543,302+1,735.1% | Added |
| Nichols & Pratt Advisers LLP | 573,868 | $47.1M | 3.42% | −2,750−0.5% | Reduced |
| Bradley Foster & Sargent Inc | 560,563 | $46.0M | 0.98% | −438−0.1% | Reduced |
| MUFG Americas Holdings Corp | 550,291 | $45.2M | 0.88% | +12,289+2.3% | Added |
| Capital Group Private Client Services, Inc. | 547,107 | $44.9M | 0.49% | −18,718−3.3% | Reduced |
| CIBC Asset Management Inc | 543,678 | $44.6M | 0.16% | +172,587+46.5% | Added |
| Aristotle Atlantic Partners, LLC | 527,310 | $43.3M | 2.68% | 00.0% | Unchanged |
| Banco Santander, S.A. | 524,689 | $43.0M | 0.46% | −28,319−5.1% | Reduced |
| Dearborn Partners LLC | 511,988 | $42.0M | 1.59% | +14,283+2.9% | Added |
| Pinnacle Associates Ltd | 499,452 | $41.0M | 0.73% | +8,231+1.7% | Added |
| Sector Gamma AS | 499,141 | $41.0M | 8.90% | +23,337+4.9% | Added |
| Boston Private Wealth LLC | 497,635 | $40.8M | 0.55% | +20,568+4.3% | Added |
| Jane Street Group, LLC | 488,137 | $40.1M | 0.07% | −99,931−17.0% | Reduced |
| Impax Asset Management Group plc | 480,983 | $39.5M | 0.16% | −680.0% | Reduced |
| Oregon Public Employees Retirement Fund | 478,169 | $39.2M | 0.40% | −6,040−1.2% | Reduced |
| Sculptor Capital LP | 474,612 | $38.9M | 0.31% | +218,208+85.1% | Added |
| Deprince Race & Zollo Inc | 472,578 | $38.8M | 0.75% | +33,381+7.6% | Added |
| CWM, LLC | 465,163 | $38.2M | 0.27% | +64,881+16.2% | Added |
| Fukoku Mutual Life Insurance Co | 455,146 | $37.3M | 2.83% | −12,571−2.7% | Reduced |
| Employees Retirement System of Texas | 452,955 | $37.2M | 0.44% | 00.0% | Unchanged |
| Utah Retirement Systems | 452,210 | $37.1M | 0.49% | −7,500−1.6% | Reduced |
| Loring Wolcott & Coolidge Fiduciary Advisors LLP | 446,066 | $36.6M | 0.38% | +10,507+2.4% | Added |
| Iat Reinsurance Co Ltd. | 442,587 | $36.3M | 2.64% | +442,587 | New |
| Dai-Ichi Life Insurance Company, Ltd | 442,314 | $36.3M | 0.58% | −14,530−3.2% | Reduced |
| Gabelli Funds LLC | 440,626 | $36.2M | 0.24% | −17,975−3.9% | Reduced |
| Colony Group LLC | 439,019 | $36.0M | 0.54% | +72,579+19.8% | Added |
| Sabal Trust CO | 438,138 | $35.9M | 2.49% | +10,221+2.4% | Added |