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 2025
Institutional positions in Merck & Co., Inc. as of Mar 31, 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
- 3,459
- −96 vs. Q4 2024
- Shares held
- 1.98B
- +20.8M (+1.1%) vs. Q4 2024
- Total value
- $177.7B
- −$17.2B (−8.8%) vs. Q4 2024
- New holders
- 180
- 1,354 more added
- Sold out
- 276
- 1,598 more reduced
63 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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 2025
Shares, value and share of portfolio for each institution holding Merck & Co., Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Sequoia Financial Advisors, LLC | 280,446 | $25.2M | 0.19% | −80,987−22.4% | Reduced |
| Yousif Capital Management, LLC | 280,249 | $25.2M | 0.29% | −8,292−2.9% | Reduced |
| Beacon Pointe Advisors, LLC | 278,351 | $25.0M | 0.28% | +42,473+18.0% | Added |
| ASR Vermogensbeheer N.V. | 277,805 | $24.9M | 0.37% | +277,805 | New |
| Annex Advisory Services, LLC | 277,700 | $24.9M | 0.71% | +670.0% | Added |
| O'Shaughnessy Asset Management, LLC | 277,313 | $24.9M | 0.20% | −4,799−1.7% | Reduced |
| Transcend Wealth Collective, LLC | 274,632 | $24.7M | 1.77% | −10,083−3.5% | Reduced |
| Thompson Siegel & Walmsley LLC | 272,422 | $24.5M | 0.42% | +25,997+10.5% | Added |
| TD Waterhouse Canada Inc. | 253,459 | $24.3M | 0.20% | −25,738−9.2% | Reduced |
| Crawford Investment Counsel Inc | 270,705 | $24.3M | 0.43% | −565,840−67.6% | Reduced |
| Sio Capital Management, LLC | 270,596 | $24.3M | 7.36% | +270,596 | New |
| OP Asset Management Ltd | 267,574 | $24.0M | 0.40% | +267,574 | New |
| Cardinal Capital Management, Inc. | 266,606 | $23.9M | 0.81% | +35,754+15.5% | Added |
| Silvercrest Asset Management Group LLC | 264,132 | $23.7M | 0.17% | −24,784−8.6% | Reduced |
| Whittier Trust Co of Nevada Inc | 263,833 | $23.7M | 0.60% | +6,241+2.4% | Added |
| Synovus Financial Corp | 259,200 | $23.3M | 0.30% | −4,784−1.8% | Reduced |
| Salem Investment Counselors Inc | 256,410 | $23.2M | 0.81% | +761+0.3% | Added |
| Norris Perne & French LLP | 258,051 | $23.2M | 1.74% | +2,255+0.9% | Added |
| Omers Administration Corp | 257,081 | $23.1M | 0.20% | +26,900+11.7% | Added |
| Elo Mutual Pension Insurance Co | 255,835 | $23.0M | 0.52% | +24,514+10.6% | Added |
| Wilkins Investment Counsel Inc | 252,557 | $22.7M | 3.25% | +9,245+3.8% | Added |
| Cullen/Frost Bankers, Inc. | 251,553 | $22.6M | 0.32% | −71,973−22.2% | Reduced |
| Crossmark Global Holdings, Inc. | 250,008 | $22.4M | 0.40% | +7,288+3.0% | Added |
| RWC Asset Management LLP | 249,253 | $22.4M | 1.15% | −11,802−4.5% | Reduced |
| Azimuth Capital Investment Management LLC | 247,959 | $22.3M | 0.89% | −14,652−5.6% | Reduced |
| Bridgeway Capital Management, LLC | 246,513 | $22.1M | 0.56% | +31,401+14.6% | Added |
| WSFS Capital Management, LLC | 243,061 | $21.8M | 1.31% | +523+0.2% | Added |
| Letko, Brosseau & Associates Inc | 240,909 | $21.6M | 0.46% | +5,175+2.2% | Added |
| Erste Asset Management GmbH | 238,993 | $21.3M | 0.27% | −4,781−2.0% | Reduced |
| Rafferty Asset Management, LLC | 237,712 | $21.3M | 0.09% | −52,722−18.2% | Reduced |
| Ingalls & Snyder LLC | 234,673 | $21.1M | 0.70% | −6,712−2.8% | Reduced |
| Flputnam Investment Management Co | 232,399 | $20.9M | 0.39% | +10,562+4.8% | Added |
| Bellevue Group AG | 231,371 | $20.8M | 0.47% | −32,855−12.4% | Reduced |
| CapWealth Advisors, LLC | 230,364 | $20.7M | 2.24% | +15,770+7.3% | Added |
| Rakuten Investment Management, Inc. | 231,479 | $20.7M | 0.09% | +231,479 | New |
| Avantax Advisory Services, Inc. | 229,953 | $20.6M | 0.13% | −765−0.3% | Reduced |
| Grandfield & Dodd, LLC | 228,940 | $20.5M | 1.27% | −39,396−14.7% | Reduced |
| Lido Advisors, LLC | 226,848 | $20.5M | 0.12% | +67,777+42.6% | Added |
| Prime Capital Investment Advisors, LLC | 226,809 | $20.4M | 0.24% | +45,771+25.3% | Added |
| Avanza Fonder AB | 234,452 | $20.3M | 0.67% | −39,001−14.3% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 224,285 | $20.1M | 0.59% | −88,221−28.2% | Reduced |
| Generali Asset Management SPA SGR | 223,474 | $20.1M | 0.49% | −41,809−15.8% | Reduced |
| Dearborn Partners LLC | 223,270 | $20.0M | 0.96% | −57,396−20.4% | Reduced |
| Engineers Gate Manager LP | 222,964 | $20.0M | 0.34% | +152,393+215.9% | Added |
| Kestra Private Wealth Services, LLC | 222,248 | $19.9M | 0.33% | +10,298+4.9% | Added |
| Renaissance Technologies LLC | 221,692 | $19.9M | 0.03% | −1,159,944−84.0% | Reduced |
| Americana Partners, LLC | 220,985 | $19.8M | 0.77% | +1,631+0.7% | Added |
| Stack Financial Management, Inc | 220,784 | $19.8M | 1.65% | −4,556−2.0% | Reduced |
| Destination Wealth Management | 220,455 | $19.8M | 0.62% | +8,545+4.0% | Added |
| TCW Group Inc | 220,188 | $19.8M | 0.18% | −135,432−38.1% | Reduced |
| Oregon Public Employees Retirement Fund | 217,371 | $19.5M | 0.38% | +527+0.2% | Added |
| Intact Investment Management Inc. | 216,100 | $19.4M | 0.67% | +3,500+1.6% | Added |
| South Dakota Investment Council | 213,158 | $19.1M | 0.39% | +672+0.3% | Added |
| Walleye Capital LLC | 213,138 | $19.1M | 0.21% | +121,207+131.8% | Added |
| Bokf, NA | 212,667 | $19.1M | 0.34% | −129,883−37.9% | Reduced |
| Brown Brothers Harriman & Co | 211,517 | $19.0M | 0.13% | −16,505−7.2% | Reduced |
| Fisher Funds Management LTD | 211,375 | $19.0M | 0.46% | 00.0% | Unchanged |
| HM Payson & Co | 210,944 | $18.9M | 0.33% | −106,176−33.5% | Reduced |
| Everett Harris & Co | 210,775 | $18.9M | 0.24% | +11,507+5.8% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 210,235 | $18.9M | 0.21% | −146,844−41.1% | Reduced |
| Ieq Capital, LLC | 208,208 | $18.7M | 0.15% | +13,155+6.7% | Added |
| Godsey & Gibb Associates | 208,129 | $18.7M | 1.84% | +22,125+11.9% | Added |
| Tiaa Trust, National Association | 207,452 | $18.6M | 0.06% | −182,611−46.8% | Reduced |
| Randolph Co Inc | 205,227 | $18.4M | 2.16% | −843−0.4% | Reduced |
| Blackhill Capital Inc | 204,607 | $18.4M | 1.07% | −1,200−0.6% | Reduced |
| NEOS Investment Management LLC | 204,525 | $18.4M | 0.35% | +59,188+40.7% | Added |
| General American Investors Co Inc | 204,326 | $18.3M | 1.36% | 00.0% | Unchanged |
| Kingsview Wealth Management, LLC | 203,453 | $18.3M | 0.34% | +8,397+4.3% | Added |
| Bruce & Co., Inc. | 202,800 | $18.2M | 5.84% | −10,000−4.7% | Reduced |
| Oppenheimer & Co Inc | 202,663 | $18.2M | 0.27% | −665−0.3% | Reduced |
| Mizuho Securities USA LLC | 202,547 | $18.2M | 0.39% | −37,205−15.5% | Reduced |
| First National Trust Co | 201,649 | $18.1M | 0.73% | −7,067−3.4% | Reduced |
| Baldwin Brothers Inc | 200,550 | $18.0M | 1.26% | +3,794+1.9% | Added |
| TCTC Holdings, LLC | 200,524 | $18.0M | 0.63% | +155+0.1% | Added |
| Roffman Miller Associates Inc | 199,999 | $18.0M | 1.13% | +5,792+3.0% | Added |
| Aquatic Capital Management LLC | 199,897 | $17.9M | 0.46% | +199,897 | New |
| Cary Street Partners Financial LLC | 199,227 | $17.9M | 0.57% | +20,302+11.3% | Added |
| HB Wealth Management, LLC | 197,580 | $17.7M | 0.15% | +43,404+28.2% | Added |
| Novare Capital Management LLC | 196,740 | $17.7M | 1.54% | +2,128+1.1% | Added |
| Richard C. Young & CO., LTD. | 194,039 | $17.4M | 1.87% | −2,807−1.4% | Reduced |
| Blue Chip Partners, Inc. | 190,457 | $17.1M | 1.47% | +41,970+28.3% | Added |
| Willis Investment Counsel | 187,682 | $16.8M | 1.13% | −135−0.1% | Reduced |
| Leith Wheeler Investment Counsel Ltd. | 186,529 | $16.7M | 1.16% | +73,045+64.4% | Added |
| Foundation Resource Management Inc | 186,197 | $16.7M | 2.63% | +59,369+46.8% | Added |
| Atria Investments LLC | 185,461 | $16.6M | 0.21% | −49,315−21.0% | Reduced |
| Tokio Marine Asset Management Co Ltd | 184,130 | $16.5M | 0.60% | −2,714−1.5% | Reduced |
| Achmea Investment Management B.V. | 182,813 | $16.4M | 0.24% | +14,980+8.9% | Added |
| Diversified Trust Co | 182,721 | $16.4M | 0.41% | +20,757+12.8% | Added |
| Loomis Sayles & Co L P | 182,382 | $16.4M | 0.02% | −4,837−2.6% | Reduced |
| Empire Life Investments Inc. | 181,452 | $16.3M | 1.06% | −151,378−45.5% | Reduced |
| Stillwater Capital Advisors, LLC | 181,433 | $16.3M | 2.27% | −564−0.3% | Reduced |
| Circle Wealth Management, LLC | 181,150 | $16.3M | 0.38% | −4,195−2.3% | Reduced |
| Argent Trust Co | 180,660 | $16.2M | 0.67% | +607+0.3% | Added |
| Oak Grove Capital LLC | 179,210 | $16.1M | 3.84% | +27,700+18.3% | Added |
| First Manhattan Co | 176,732 | $16.0M | 0.05% | −16,659−8.6% | Reduced |
| Prospector Partners LLC | 177,302 | $15.9M | 1.82% | −1,036−0.6% | Reduced |
| Sonora Investment Management Group, LLC | 175,797 | $15.8M | 1.25% | +1,087+0.6% | Added |
| Applied Finance Capital Management, LLC | 175,796 | $15.8M | 1.16% | −87,404−33.2% | Reduced |
| Kentucky Retirement Systems | 173,194 | $15.5M | 0.47% | −995−0.6% | Reduced |
| MAI Capital Management | 172,875 | $15.5M | 0.12% | −7,478−4.1% | Reduced |