Companies / Merck & Co., Inc. / Activity
Activity — Merck & Co., Inc.
855 moves.
Top impactInsider · CEO movesInsider · biggest buysInsider · biggest sellsInstitution · biggest movesInstitution · new positions
| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | Victory Capital Management, Inc. 13F manager | Add | Common stock | $45.51M | +354K +9.34% | 4,143,885 0.17% of shares | medium |
| Q1 2026 as of | Balyasny Asset Management L.P. 13F manager | Trim | Common stock | $-45.07M | -375K -17.13% | 1,812,608 0.07% of shares | medium |
| Q1 2026 as of | Principal Financial Group Inc 13F manager | Trim | Common stock | $-44.84M | -373K -7.33% | 4,709,942 0.19% of shares | medium |
| Q2 2026 as of | FengHe Fund Management Pte. Ltd. 13F manager | Exit | Common stock | $-44.25M | -420K -100.00% | 0 | medium |
| Q2 2026 as of | The PNC Financial Services Group, Inc. 13F manager | Trim | Common stock | $-43.05M | -335K -4.40% | 7,286,803 0.30% of shares | medium |
| Q1 2021 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $42.18M | +547K +30.70% | 2,329,466 0.09% of shares | medium |
| Q1 2026 as of | Aviva PLC 13F manager | Add | Common stock | $42.01M | +349K +12.09% | 3,236,573 0.13% of shares | medium |
| Q4 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-41.94M | -422K -6.12% | 6,466,011 0.26% of shares | medium |
| Q1 2025 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $41.20M | +459K +43.67% | 1,510,034 0.06% of shares | medium |
| Q4 2017 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $39.79M | +707K +44.02% | 2,313,554 0.09% of shares | medium |
| Q2 2026 as of | LPL Financial LLC 13F manager | Add | Common stock | $36.07M | +281K +7.89% | 3,836,733 0.16% of shares | medium |
| Q1 2026 as of | Bridgewater Associates, LP 13F manager | Exit | Common stock | $-32.65M | -310K -100.00% | 0 | medium |
| Q4 2019 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $30.87M | +339K +53.60% | 972,565 0.04% of shares | medium |
| Q1 2026 as of | Commerce Bank 13F manager | Add | Common stock | $30.70M | +255K +27.36% | 1,188,031 0.05% of shares | medium |
| Q1 2026 as of | Ci Investments Inc. 13F manager | Add | Common stock | $29.31M | +244K +24.51% | 1,237,783 0.05% of shares | medium |
| Q2 2026 as of | Fiera Capital Corp 13F manager | New | Common stock | $28.70M | +223K | 223,353 <0.01% of shares | medium |
| Q3 2023 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $27.85M | +271K +38.76% | 968,402 0.04% of shares | medium |
| Q2 2023 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $27.05M | +234K +50.59% | 697,899 0.03% of shares | medium |
| Q1 2026 as of | Cullen Capital Management, LLC 13F manager | Trim | Common stock | $-26.19M | -218K -9.50% | 2,073,354 0.08% of shares | medium |
| Q4 2025 as of | Norges Bank 13F manager | Trim | Common stock | $-25.91M | -246K -0.64% | 37,981,502 1.54% of shares | medium |
| Q1 2026 as of | BNP Paribas Financial Markets 13F manager | Trim | Common stock | $-24.96M | -207K -8.60% | 2,206,233 0.09% of shares | medium |
| Q1 2026 as of | Edgar Lomax CO/VA 13F manager | Trim | Common stock | $-24.74M | -206K -57.36% | 152,850 <0.01% of shares | medium |
| Q1 2026 as of | Kahn Brothers Group Inc 13F manager | Trim | Common stock | $-24.40M | -203K -47.15% | 227,288 <0.01% of shares | medium |
| Q1 2026 as of | Natixis 13F manager | Add | Common stock | $24.21M | +201K +65.19% | 510,056 0.02% of shares | medium |
| Q4 2023 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $23.56M | +216K +22.32% | 1,184,513 0.05% of shares | medium |
| Q1 2026 as of | Nomura Asset Management Co Ltd 13F manager | Add | Common stock | $23.37M | +194K +14.02% | 1,579,855 0.06% of shares | medium |
| Q2 2019 as of | Employees Provident Fund Board 13F manager | Trim | Common stock | $-23.03M | -275K -28.49% | 689,329 0.03% of shares | medium |
| Q1 2026 as of | Causeway Capital Management LLC 13F manager | Trim | Common stock | $-22.90M | -190K -18.23% | 854,212 0.03% of shares | medium |
| Q1 2026 as of | Dearborn Partners LLC 13F manager | Trim | Common stock | $-22.26M | -185K -84.08% | 35,043 <0.01% of shares | medium |
| Q2 2017 as of | Employees Provident Fund Board 13F manager | Trim | Common stock | $-21.99M | -343K -20.33% | 1,344,385 0.05% of shares | medium |
| Q1 2026 as of | Argent Capital Management LLC 13F manager | Add | Common stock | $21.89M | +182K +5236.78% | 185,453 <0.01% of shares | medium |
| Q1 2026 as of | Rhumbline Advisers 13F manager | Trim | Common stock | $-21.51M | -179K -4.50% | 3,797,430 0.15% of shares | medium |
| Q2 2024 as of | Employees Provident Fund Board 13F manager | Trim | Common stock | $-21.32M | -172K -14.71% | 998,009 0.04% of shares | medium |
| Q1 2022 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $20.11M | +245K +10.06% | 2,681,401 0.11% of shares | medium |
| Q1 2026 as of | Brandes Investment Partners, LP 13F manager | Trim | Common stock | $-19.84M | -165K -6.69% | 2,302,562 0.09% of shares | medium |
| Q1 2026 as of | First Trust Advisors LP 13F manager | Trim | Common stock | $-19.58M | -163K -3.52% | 4,465,569 0.18% of shares | medium |
| Q1 2026 as of | Prudential Financial Inc 13F manager | Trim | Common stock | $-18.50M | -154K -7.27% | 1,962,332 0.08% of shares | medium |
| Q1 2019 as of | Employees Provident Fund Board 13F manager | Trim | Common stock | $-18.21M | -219K -18.51% | 963,948 0.04% of shares | medium |
| Q1 2026 as of | ING Groep NV 13F manager | Trim | Common stock | $-17.42M | -145K -18.41% | 641,709 0.03% of shares | medium |
| Q4 2025 as of | Danica Pension, Livsforsikringsaktieselskab 13F manager | Add | Common stock | $17.36M | +165K +612.98% | 191,871 <0.01% of shares | medium |
| Q1 2026 as of | Grantham, Mayo, Van Otterloo & Co. LLC 13F manager | Add | Common stock | $17.28M | +144K +2.09% | 7,013,777 0.28% of shares | medium |
| Q2 2018 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $17.26M | +284K +12.63% | 2,535,572 0.10% of shares | medium |
| Q3 2017 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $16.78M | +262K +19.49% | 1,606,461 0.07% of shares | medium |
| Q4 2018 as of | Employees Provident Fund Board 13F manager | Trim | Common stock | $-16.74M | -219K -15.63% | 1,182,954 0.05% of shares | medium |
| Q1 2026 as of | Steadfast Capital Management LP 13F manager | Exit | Common stock | $-16.54M | -157K -100.00% | 0 | medium |
| Q2 2026 as of | Cornerstone Advisors, LLC 13F manager | Exit | Common stock | $-14.96M | -142K -100.00% | 0 | medium |
| Q3 2024 as of | Danske Bank A/S 13F manager | Trim | Common stock | $-14.77M | -130K -6.69% | 1,814,345 0.07% of shares | medium |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Trim | Common stock | $-14.54M | -121K -3.44% | 3,397,582 0.14% of shares | medium |
| Q4 2021 as of | Employees Provident Fund Board 13F manager | Trim | Common stock | $-14.33M | -187K -7.13% | 2,436,348 0.10% of shares | medium |
| Q2 2025 as of | Employees Provident Fund Board 13F manager | Add | Common stock | $14.17M | +179K +11.85% | 1,689,034 0.07% of shares | medium |