View the latest insider transactions and institutional holdings for MRK. Analyze how executives and major investors are positioning.
| Insider Name | Relationship | Trade Date | Transaction | Price/Share | Shares Traded | Total Value ($) | Total Holdings | SEC Form 4 |
|---|---|---|---|---|---|---|---|---|
| Williams David Michael | EVP,Chief Info&Digital Officer | Aug 04 '25 | Option Exercise | 79.29 | 17,119 | 1,357,366 | 41,445 | Aug 05 08:46 AM |
| Guindo Chirfi | Chief Marketing Officer | Aug 04 '25 | Option Exercise | 79.29 | 36,903 | 2,926,039 | 107,409 | Aug 05 08:43 AM |
| Report Date | Institution | % Held | Shares Held | Value ($) | % Change QoQ |
|---|---|---|---|---|---|
| 2025-06-30 | FMR, LLC | 1.26% | 31,566,125 | 2,663,865,269 | -0.76% |
| 2025-06-30 | Morgan Stanley | 1.77% | 44,200,694 | 3,730,096,539 | 2.52% |
| 2025-06-30 | Charles Schwab Investment Management, Inc. | 2.16% | 53,865,466 | 4,545,706,642 | 9.42% |
| 2025-06-30 | NORGES BANK | 1.45% | 36,111,289 | 3,047,431,656 | 3.23% |
| 2025-06-30 | Blackrock Inc. | 8.74% | 218,340,832 | 18,425,782,679 | -3.13% |
| 2025-06-30 | State Street Corporation | 4.74% | 118,493,864 | 9,999,697,110 | -1.69% |
| 2025-06-30 | JPMORGAN CHASE & CO | 1.27% | 31,821,772 | 2,685,439,319 | 11.62% |
| 2025-06-30 | Geode Capital Management, LLC | 2.36% | 58,952,681 | 4,975,016,713 | -1.18% |
| 2025-06-30 | Vanguard Group Inc | 10.13% | 252,914,426 | 21,343,448,255 | 0.16% |
| 2025-06-30 | Wellington Management Group, LLP | 3.08% | 76,856,492 | 6,485,919,312 | -5.89% |