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, Q2 2025
Institutional positions in Merck & Co., Inc. as of Jun 30, 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
- 3,338
- −73 vs. Q1 2025
- Shares held
- 1.97B
- −5.75M (−0.3%) vs. Q1 2025
- Total value
- $155.9B
- −$21.3B (−12.0%) vs. Q1 2025
- New holders
- 178
- 1,301 more added
- Sold out
- 251
- 1,540 more reduced
49 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna Portfolio Strategies, LLC | 800,753 | $63.4M | 1.38% | +800,753 | New |
| Voya Investment Management LLC | 800,277 | $63.4M | 0.06% | −137,640−14.7% | Reduced |
| Forsta Ap-Fonden | 793,300 | $62.8M | 0.41% | +83,000+11.7% | Added |
| Groupama Asset Managment | 783,064 | $61.9M | 1.02% | −79,295−9.2% | Reduced |
| J. Safra Sarasin Holding AG | 781,316 | $61.8M | 1.07% | −32,786−4.0% | Reduced |
| Woodline Partners LP | 778,426 | $61.6M | 0.33% | +13,900+1.8% | Added |
| ING Groep NV | 776,930 | $61.5M | 0.37% | −1,446,112−65.1% | Reduced |
| CWM, LLC | 771,977 | $61.1M | 0.22% | +140,163+22.2% | Added |
| Ci Investments Inc. | 766,092 | $60.6M | 0.23% | −1,071,400−58.3% | Reduced |
| Boston Partners | 763,993 | $60.5M | 0.07% | −9,142−1.2% | Reduced |
| Ferguson Wellman Capital Management, Inc | 754,888 | $59.8M | 1.05% | +136,862+22.1% | Added |
| Compass Capital Management, Inc | 754,857 | $59.8M | 3.20% | +156,359+26.1% | Added |
| DnB Asset Management AS | 754,094 | $59.7M | 0.25% | −3,000−0.4% | Reduced |
| State of Michigan Retirement System | 745,090 | $59.0M | 0.31% | +25,800+3.6% | Added |
| Cetera Investment Advisers | 737,967 | $58.4M | 0.10% | +30,773+4.4% | Added |
| Arizona State Retirement System | 735,649 | $58.2M | 0.34% | −6,731−0.9% | Reduced |
| Midwest Trust Co | 734,214 | $58.1M | 0.80% | +734,214 | New |
| AustralianSuper Pty Ltd | 733,753 | $58.1M | 0.29% | +643,255+710.8% | Added |
| Commerce Bank | 730,936 | $57.9M | 0.34% | −60,333−7.6% | Reduced |
| Edgar Lomax Co | 724,605 | $57.4M | 3.63% | −12,015−1.6% | Reduced |
| Raiffeisen Bank International AG | 718,993 | $57.3M | 0.85% | −254,723−26.2% | Reduced |
| Advisor Group Holdings, Inc. | 716,056 | $57.1M | 0.10% | +64,877+10.0% | Added |
| Epoch Investment Partners, Inc. | 720,658 | $57.0M | 0.30% | +12,810+1.8% | Added |
| First Financial Bankshares Inc | 707,821 | $56.0M | 1.26% | +13,598+2.0% | Added |
| Old Republic International Corporation | 705,600 | $55.9M | 2.19% | +92,000+15.0% | Added |
| Compagnie Lombard Odier SCmA | 694,309 | $55.0M | 0.72% | −111,246−13.8% | Reduced |
| Harvest Portfolios Group Inc. | 688,301 | $54.5M | 1.27% | +59,877+9.5% | Added |
| AIA Group Ltd | 681,514 | $53.9M | 1.17% | +163,814+31.6% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 681,128 | $53.9M | 0.10% | +359,356+111.7% | Added |
| FIL Ltd | 673,574 | $53.3M | 0.05% | +189,392+39.1% | Added |
| Tocqueville Asset Management L.P. | 670,358 | $53.1M | 0.81% | −24,667−3.5% | Reduced |
| Capitolis Liquid Global Markets LLC | 668,700 | $52.9M | 0.39% | +65,000+10.8% | Added |
| Federated Hermes, Inc. | 667,804 | $52.9M | 0.10% | +376,312+129.1% | Added |
| Mediolanum International Funds Ltd | 650,529 | $51.5M | 0.62% | −209,747−24.4% | Reduced |
| Cacti Asset Management LLC | 644,298 | $51.0M | 3.74% | −3,000−0.5% | Reduced |
| Boston Trust Walden Corp | 640,733 | $50.7M | 0.36% | +37,557+6.2% | Added |
| MetLife Investment Management | 639,965 | $50.7M | 0.30% | −127,604−16.6% | Reduced |
| RE Advisers Corp | 638,404 | $50.5M | 1.20% | −40,400−6.0% | Reduced |
| Glenmede Investment Management, LP | 629,581 | $49.8M | 0.25% | +629,581 | New |
| Fifth Third Bancorp | 622,977 | $49.3M | 0.17% | −57,418−8.4% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 615,844 | $48.8M | 0.26% | +37,349+6.5% | Added |
| Mercer Global Advisors Inc | 615,011 | $48.7M | 0.11% | −6,567−1.1% | Reduced |
| Czech National Bank | 613,785 | $48.6M | 0.38% | +32,767+5.6% | Added |
| Guggenheim Capital LLC | 613,195 | $48.5M | 0.39% | +113,220+22.6% | Added |
| ProShare Advisors LLC | 611,733 | $48.4M | 0.10% | +37,005+6.4% | Added |
| Ofi Invest Asset Management | 716,058 | $48.3M | 1.20% | +37,705+5.6% | Added |
| DJE Kapital AG | 608,720 | $48.1M | 1.17% | +150,304+32.8% | Added |
| Natixis | 600,928 | $47.6M | 0.24% | −852,150−58.6% | Reduced |
| Peapack Gladstone Financial Corp | 598,582 | $47.4M | 0.67% | −25,432−4.1% | Reduced |
| Heritage Wealth Advisors | 589,400 | $46.7M | 2.22% | +23,906+4.2% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 585,001 | $46.3M | 0.42% | +26,413+4.7% | Added |
| Kempen Capital Management N.V. | 578,904 | $45.8M | 0.44% | +75,696+15.0% | Added |
| AMF Pensionsforsakring AB | 574,587 | $45.7M | 0.30% | −1,453,467−71.7% | Reduced |
| Tredje AP-fonden | 575,163 | $45.5M | 0.36% | −347,631−37.7% | Reduced |
| Distillate Capital Partners LLC | 565,353 | $44.8M | 2.40% | −58,061−9.3% | Reduced |
| Andra AP-fonden | 561,600 | $44.5M | 0.62% | −1000.0% | Reduced |
| Public Sector Pension Investment Board | 561,542 | $44.5M | 0.19% | −487,356−46.5% | Reduced |
| Daiwa Securities Group Inc. | 556,980 | $44.1M | 0.16% | +27,454+5.2% | Added |
| Ieq Capital, LLC | 556,411 | $44.0M | 0.27% | +348,203+167.2% | Added |
| 1832 Asset Management L.P. | 553,784 | $43.8M | 0.08% | +77,646+16.3% | Added |
| Rockland Trust Co | 550,278 | $43.6M | 2.12% | +57,044+11.6% | Added |
| Pictet & Cie (Europe) SA | 549,215 | $43.5M | 0.93% | +3,387+0.6% | Added |
| D.A. Davidson & Co. | 545,916 | $43.2M | 0.30% | −6,034−1.1% | Reduced |
| Illinois Municipal Retirement Fund | 544,377 | $43.1M | 0.59% | +101,356+22.9% | Added |
| Janus Henderson Group PLC | 542,117 | $42.9M | 0.02% | −2,223,249−80.4% | Reduced |
| Fort Washington Investment Advisors Inc | 540,281 | $42.8M | 0.25% | +5,890+1.1% | Added |
| Retirement Systems of Alabama | 538,817 | $42.7M | 0.15% | −4,775−0.9% | Reduced |
| Whittier Trust Co | 538,713 | $42.6M | 0.51% | +28,237+5.5% | Added |
| Kornitzer Capital Management Inc | 538,266 | $42.6M | 0.86% | +11,234+2.1% | Added |
| Gateway Investment Advisers LLC | 533,634 | $42.2M | 0.46% | −81,931−13.3% | Reduced |
| QRG Capital Management, Inc. | 531,644 | $42.1M | 0.37% | +8,319+1.6% | Added |
| ARGA Investment Management, LP | 523,915 | $41.5M | 1.13% | +395,755+308.8% | Added |
| Radnor Capital Management, LLC | 522,708 | $41.4M | 6.60% | +15,210+3.0% | Added |
| Oppenheimer Asset Management Inc. | 521,039 | $41.2M | 0.47% | +43,410+9.1% | Added |
| Sanibel Captiva Trust Company, Inc. | 520,141 | $41.2M | 1.27% | −43,516−7.7% | Reduced |
| Douglas Lane & Associates, LLC | 519,901 | $41.2M | 0.60% | +8,486+1.7% | Added |
| Zurich Insurance Group Ltd | 513,307 | $40.6M | 0.31% | +481,007+1,489.2% | Added |
| Calamos Advisors LLC | 510,213 | $40.4M | 0.17% | −158,002−23.6% | Reduced |
| IFM Investors Pty Ltd | 504,465 | $39.9M | 0.38% | +19,380+4.0% | Added |
| Camber Capital Management LP | 500,000 | $39.6M | 5.51% | +500,000 | New |
| Aristotle Atlantic Partners, LLC | 496,610 | $39.3M | 1.20% | 00.0% | Unchanged |
| SRB Corp | 496,546 | $39.3M | 2.36% | −748,990−60.1% | Reduced |
| Kahn Brothers Group Inc | 490,465 | $38.8M | 7.80% | −1,810−0.4% | Reduced |
| Amalgamated Bank | 485,282 | $38.4M | 0.30% | −55,022−10.2% | Reduced |
| Gotham Asset Management, LLC | 479,081 | $37.9M | 0.23% | +83,666+21.2% | Added |
| Rathbone Brothers plc | 477,532 | $37.8M | 0.16% | −20,274−4.1% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 475,861 | $37.7M | 0.34% | −15,563−3.2% | Reduced |
| Benjamin Edwards Inc | 474,255 | $37.5M | 0.48% | +29,628+6.7% | Added |
| Pinebridge Investments, L.P. | 474,041 | $37.5M | 0.31% | +140,245+42.0% | Added |
| Donaldson Capital Management, LLC | 473,231 | $37.5M | 1.38% | −2,547−0.5% | Reduced |
| Empowered Funds, LLC | 472,869 | $37.4M | 0.42% | −28,033−5.6% | Reduced |
| CIBC Asset Management Inc | 471,331 | $37.3M | 0.12% | −78,956−14.3% | Reduced |
| Allspring Global Investments Holdings, LLC | 448,319 | $36.7M | 0.06% | −596,403−57.1% | Reduced |
| Pathstone Holdings, LLC | 462,626 | $36.6M | 0.14% | −26,709−5.5% | Reduced |
| Fukoku Mutual Life Insurance Co | 459,797 | $36.4M | 2.32% | +9,068+2.0% | Added |
| M&G Plc | 455,900 | $36.0M | 0.20% | −85,084−15.7% | Reduced |
| Nichols & Pratt Advisers LLP | 448,751 | $35.6M | 2.39% | +1,088+0.2% | Added |
| Brevan Howard Capital Management LP | 448,919 | $35.5M | 0.39% | +448,919 | New |
| B. Metzler seel. Sohn & Co. AG | 448,298 | $35.5M | 0.34% | +6,268+1.4% | Added |
| Cambridge Investment Research Advisors, Inc. | 448,219 | $35.5M | 0.11% | −4,920−1.1% | Reduced |