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
- 3,337
- −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
- 1,539 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 |
|---|---|---|---|---|---|
| Willis Investment Counsel | 263,182 | $20.8M | 1.22% | +75,500+40.2% | Added |
| Norris Perne & French LLP | 260,346 | $20.6M | 1.44% | +2,295+0.9% | Added |
| Evergreen Capital Management LLC | 257,044 | $20.6M | 0.62% | +97,485+61.1% | Added |
| Synovus Financial Corp | 258,732 | $20.5M | 0.25% | −468−0.2% | Reduced |
| Healthcare of Ontario Pension Plan Trust Fund | 258,570 | $20.5M | 0.04% | −227,990−46.9% | Reduced |
| Davenport & Co LLC | 258,440 | $20.5M | 0.11% | −767,011−74.8% | Reduced |
| Manning & Napier Advisors LLC | 258,121 | $20.4M | 0.24% | +189,837+278.0% | Added |
| Ossiam | 256,080 | $20.3M | 0.23% | +168,791+193.4% | Added |
| Aquatic Capital Management LLC | 253,836 | $20.1M | 0.41% | +53,939+27.0% | Added |
| Aptus Capital Advisors, LLC | 252,675 | $20.0M | 0.20% | +168,346+199.6% | Added |
| MAI Capital Management | 252,381 | $20.0M | 0.14% | +79,506+46.0% | Added |
| Elo Mutual Pension Insurance Co | 252,335 | $20.0M | 0.41% | −3,500−1.4% | Reduced |
| NEOS Investment Management LLC | 248,610 | $19.7M | 0.24% | +44,085+21.6% | Added |
| Crossmark Global Holdings, Inc. | 247,810 | $19.6M | 0.32% | −2,198−0.9% | Reduced |
| Deprince Race & Zollo Inc | 245,619 | $19.4M | 0.40% | −78,208−24.2% | Reduced |
| Avanza Fonder AB | 244,553 | $19.4M | 0.57% | +10,101+4.3% | Added |
| Cullen/Frost Bankers, Inc. | 242,663 | $19.2M | 0.24% | −8,890−3.5% | Reduced |
| Scotia Capital Inc. | 241,686 | $19.1M | 0.09% | −42,380−14.9% | Reduced |
| WSFS Capital Management, LLC | 240,079 | $19.0M | 1.04% | −2,982−1.2% | Reduced |
| Generali Asset Management SPA SGR | 239,814 | $19.0M | 0.43% | +16,340+7.3% | Added |
| AE Wealth Management LLC | 239,590 | $19.0M | 0.14% | −184,984−43.6% | Reduced |
| Cresset Asset Management, LLC | 236,943 | $18.9M | 0.09% | −62,684−20.9% | Reduced |
| TD Waterhouse Canada Inc. | 231,513 | $18.9M | 0.14% | −21,946−8.7% | Reduced |
| TCW Group Inc | 238,478 | $18.9M | 0.15% | +18,290+8.3% | Added |
| Lido Advisors, LLC | 234,343 | $18.7M | 0.10% | +7,495+3.3% | Added |
| RWC Asset Management LLP | 235,873 | $18.7M | 0.98% | −13,380−5.4% | Reduced |
| Kestra Private Wealth Services, LLC | 232,469 | $18.4M | 0.26% | +10,221+4.6% | Added |
| Klingenstein Fields & Co LP | 232,280 | $18.4M | 0.73% | −51,041−18.0% | Reduced |
| Ingalls & Snyder LLC | 231,748 | $18.3M | 0.65% | −2,925−1.2% | Reduced |
| Loomis Sayles & Co L P | 231,592 | $18.3M | 0.02% | +49,210+27.0% | Added |
| Stamos Capital Partners, L.P. | 226,905 | $18.0M | 3.22% | +112,671+98.6% | Added |
| Dearborn Partners LLC | 225,964 | $17.9M | 0.85% | +2,694+1.2% | Added |
| Investment Management Corp of Ontario | 224,147 | $17.7M | 0.26% | +99,287+79.5% | Added |
| Everett Harris & Co | 219,487 | $17.4M | 0.22% | +8,712+4.1% | Added |
| Suvretta Capital Management, LLC | 219,178 | $17.4M | 0.65% | +75,078+52.1% | Added |
| Americana Partners, LLC | 218,774 | $17.3M | 0.60% | −2,211−1.0% | Reduced |
| Oregon Public Employees Retirement Fund | 216,971 | $17.2M | 0.30% | −400−0.2% | Reduced |
| Stack Financial Management, Inc | 216,759 | $17.2M | 1.52% | −4,025−1.8% | Reduced |
| Blue Chip Partners, Inc. | 216,597 | $17.1M | 1.40% | +26,140+13.7% | Added |
| Abn Amro Investment Solutions | 215,002 | $17.0M | 0.34% | +66,032+44.3% | Added |
| Flputnam Investment Management Co | 214,947 | $17.0M | 0.29% | −17,452−7.5% | Reduced |
| Godsey & Gibb Associates | 214,919 | $17.0M | 1.59% | +6,790+3.3% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 214,902 | $17.0M | 0.48% | −9,383−4.2% | Reduced |
| South Dakota Investment Council | 213,158 | $16.9M | 0.32% | 00.0% | Unchanged |
| SG Americas Securities, LLC | 209,275 | $16.6M | 0.07% | −451,420−68.3% | Reduced |
| Brown Brothers Harriman & Co | 208,092 | $16.5M | 0.11% | −3,425−1.6% | Reduced |
| Roffman Miller Associates Inc | 205,225 | $16.2M | 0.97% | +5,226+2.6% | Added |
| General American Investors Co Inc | 204,326 | $16.2M | 1.09% | 00.0% | Unchanged |
| Edmond de Rothschild Holding S.A. | 203,078 | $16.1M | 0.26% | −101,420−33.3% | Reduced |
| TCTC Holdings, LLC | 202,878 | $16.1M | 0.52% | +2,354+1.2% | Added |
| EP Wealth Advisors, LLC | 202,312 | $16.0M | 0.11% | +52,137+34.7% | Added |
| Crawford Investment Counsel Inc | 202,210 | $16.0M | 0.28% | −68,495−25.3% | Reduced |
| Sector Gamma AS | 202,000 | $16.0M | 5.23% | +202,000 | New |
| Argent Trust Co | 199,515 | $15.8M | 0.60% | +18,855+10.4% | Added |
| Cary Street Partners Financial LLC | 198,622 | $15.7M | 0.44% | −605−0.3% | Reduced |
| Intact Investment Management Inc. | 198,500 | $15.7M | 0.53% | −17,600−8.1% | Reduced |
| Commerzbank Aktiengesellschaft | 198,292 | $15.7M | 0.36% | +32,525+19.6% | Added |
| Teachers Retirement System of the State of Kentucky | 198,274 | $15.7M | 0.13% | −104,569−34.5% | Reduced |
| Baldwin Brothers Inc | 198,062 | $15.7M | 1.06% | −2,488−1.2% | Reduced |
| HM Payson & Co | 197,371 | $15.6M | 0.25% | −13,573−6.4% | Reduced |
| HB Wealth Management, LLC | 196,775 | $15.6M | 0.12% | −805−0.4% | Reduced |
| First National Trust Co | 196,346 | $15.5M | 0.58% | −5,303−2.6% | Reduced |
| Trexquant Investment LP | 196,112 | $15.5M | 0.18% | −219,849−52.9% | Reduced |
| Applied Finance Capital Management, LLC | 194,683 | $15.4M | 1.05% | +18,887+10.7% | Added |
| Salem Investment Counselors Inc | 192,700 | $15.4M | 0.49% | −63,710−24.8% | Reduced |
| Atlantic Union Bankshares Corp | 194,264 | $15.4M | 0.35% | +38,822+25.0% | Added |
| Bokf, NA | 193,475 | $15.3M | 0.25% | −19,192−9.0% | Reduced |
| Leonteq Securities AG | 193,246 | $15.3M | 0.90% | +145,376+303.7% | Added |
| Grandfield & Dodd, LLC | 192,968 | $15.3M | 0.89% | −35,972−15.7% | Reduced |
| Bruce & Co., Inc. | 192,800 | $15.3M | 4.95% | −10,000−4.9% | Reduced |
| Philip James Wealth Mangement, LLC | 191,874 | $15.2M | 1.94% | +97,798+104.0% | Added |
| Fisher Funds Management LTD | 190,238 | $15.1M | 0.36% | −21,137−10.0% | Reduced |
| Diversified Trust Co | 189,651 | $15.0M | 0.33% | +6,930+3.8% | Added |
| Atria Investments LLC | 189,378 | $15.0M | 0.18% | +3,917+2.1% | Added |
| Foundation Resource Management Inc | 188,552 | $14.9M | 2.31% | +2,355+1.3% | Added |
| Tokio Marine Asset Management Co Ltd | 186,496 | $14.8M | 0.56% | +2,366+1.3% | Added |
| Vinva Investment Management Ltd | 186,338 | $14.7M | 0.39% | +54,898+41.8% | Added |
| Nemes Rush Group LLC | 182,798 | $14.5M | 1.58% | +48,372+36.0% | Added |
| Stillwater Capital Advisors, LLC | 182,521 | $14.4M | 1.84% | +1,088+0.6% | Added |
| Circle Wealth Management, LLC | 181,295 | $14.4M | 0.32% | +145+0.1% | Added |
| GW Henssler & Associates Ltd | 179,121 | $14.2M | 0.76% | +6,926+4.0% | Added |
| Shelton Capital Management | 178,052 | $14.1M | 0.32% | +22,024+14.1% | Added |
| Hudson Bay Capital Management LP | 177,755 | $14.1M | 0.09% | −184,785−51.0% | Reduced |
| Wealthfront Advisers LLC | 177,442 | $14.0M | 0.04% | +16,263+10.1% | Added |
| Woodmont Investment Counsel LLC | 176,885 | $14.0M | 0.92% | +6,486+3.8% | Added |
| Blackhill Capital Inc | 176,707 | $14.0M | 0.81% | −27,900−13.6% | Reduced |
| Achmea Investment Management B.V. | 175,593 | $13.9M | 0.18% | −7,220−3.9% | Reduced |
| Sio Capital Management, LLC | 173,951 | $13.8M | 5.53% | −96,645−35.7% | Reduced |
| Mizuho Securities USA LLC | 173,543 | $13.7M | 0.29% | +173,543 | New |
| Twin Tree Management, LP | 172,940 | $13.7M | 0.34% | +172,940 | New |
| Fairfax Financial Holdings LtdSuperinvestorFairfax Financial | 172,900 | $13.7M | 0.73% | 00.0% | Unchanged |
| Kingsview Wealth Management, LLC | 172,515 | $13.7M | 0.23% | −30,938−15.2% | Reduced |
| Old National Bancorp | 169,722 | $13.4M | 0.24% | +46,762+38.0% | Added |
| Stockman Wealth Management, Inc. | 168,864 | $13.4M | 1.82% | +17,799+11.8% | Added |
| United Asset Strategies, Inc. | 168,500 | $13.3M | 1.14% | +55,611+49.3% | Added |
| Forbes J M & Co LLP | 167,789 | $13.3M | 1.21% | −135−0.1% | Reduced |
| Beese Fulmer Investment Management, Inc. | 167,138 | $13.2M | 0.99% | +4,375+2.7% | Added |
| CCM Investment Advisers LLC | 167,108 | $13.2M | 1.42% | +22,535+15.6% | Added |
| Empower Advisory Group, LLC | 166,897 | $13.2M | 0.04% | +11,043+7.1% | Added |
| Prospector Partners LLC | 166,803 | $13.2M | 1.53% | −10,499−5.9% | Reduced |