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 |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Beck Mack & Oliver LLC 13F manager | Trim | Common stock | $-999.3K | -8K -8.48% | 89,619 <0.01% of shares | low |
| Q1 2025 as of | Elevation Point Wealth Partners, LLC 13F manager | Add | Common stock | $996.7K | +11K +23.10% | 59,174 <0.01% of shares | low |
| Q1 2026 as of | Schaper Benz & Wise Investment Counsel INC/WI 13F manager | Trim | Common stock | $-989.4K | -8K -9.03% | 82,835 <0.01% of shares | low |
| Q4 2025 as of | Chesapeake Asset Management LLC 13F manager | Trim | Common stock | $-983.5K | -9K -36.63% | 16,166 <0.01% of shares | low |
| Q1 2026 as of | Moneta Group Investment Advisors LLC 13F manager | Add | Common stock | $968.0K | +8K +14.63% | 63,052 <0.01% of shares | low |
| Q1 2026 as of | Caisse Des Depots Et Consignations 13F manager | Add | Common stock | $952.1K | +8K +9.48% | 91,415 <0.01% of shares | low |
| Q1 2026 as of | Graham Capital Management, L.P. 13F manager | Exit | Common stock | $-935.4K | -9K -100.00% | 0 | low |
| Q1 2026 as of | Grandfield & Dodd, LLC 13F manager | Add | Common stock | $927.9K | +8K +4.59% | 175,775 <0.01% of shares | low |
| Q1 2024 as of | Chesapeake Asset Management LLC 13F manager | Trim | Common stock | $-913.0K | -7K -17.75% | 32,072 <0.01% of shares | low |
| Q3 2024 as of | Ontario Teachers Pension Plan Board 13F manager | Trim | Common stock | $-870.3K | -8K -38.12% | 12,440 <0.01% of shares | low |
| Q2 2026 as of | Plato Investment Management Ltd 13F manager | Add | Common stock | $864.9K | +7K +10.03% | 74,299 <0.01% of shares | low |
| Q1 2026 as of | Kayne Anderson Rudnick Investment Management, LLC 13F manager | Trim | Common stock | $-856.1K | -7K -9.54% | 67,492 <0.01% of shares | low |
| Q1 2022 as of | Leonteq Securities AG 13F manager | Trim | Common stock | $-842.7K | -10K -37.94% | 16,804 <0.01% of shares | low |
| Q1 2026 as of | Scotia Capital Inc. 13F manager | Add | Common stock | $834.3K | +7K +3.54% | 202,667 <0.01% of shares | low |
| Q3 2023 as of | Leonteq Securities AG 13F manager | Add | Common stock | $834.1K | +8K +48.19% | 24,915 <0.01% of shares | low |
| Q4 2025 as of | Elevation Point Wealth Partners, LLC 13F manager | Trim | Common stock | $-818.2K | -8K -12.13% | 55,881 <0.01% of shares | low |
| Q1 2026 as of | Advisors Asset Management, Inc. 13F manager | Add | Common stock | $816.4K | +7K +1.98% | 349,476 0.01% of shares | low |
| Q2 2026 as of | Meeder Advisory Services, Inc. 13F manager | Add | Common stock | $803.6K | +6K +11.06% | 62,788 <0.01% of shares | low |
| Q1 2026 as of | Gw Henssler & Associates Ltd 13F manager | Trim | Common stock | $-775.0K | -6K -3.44% | 181,047 <0.01% of shares | low |
| Q1 2026 as of | Contravisory Investment Management, Inc. 13F manager | Add | Common stock | $768.1K | +6K +9.00% | 77,298 <0.01% of shares | low |
| Q1 2026 as of | Evergreen Capital Management LLC 13F manager | Add | Common stock | $751.6K | +6K +2.42% | 262,297 0.01% of shares | low |
| Q1 2025 as of | Ontario Teachers Pension Plan Board 13F manager | Trim | Common stock | $-743.9K | -8K -31.05% | 18,405 <0.01% of shares | low |
| Q4 2025 as of | Leonteq Securities AG 13F manager | Trim | Common stock | $-736.1K | -7K -4.79% | 138,929 <0.01% of shares | low |
| Q4 2025 as of | Prestige Wealth Management Group LLC 13F manager | Add | Common stock | $733.2K | +7K +23.21% | 36,674 <0.01% of shares | low |
| Q1 2026 as of | MassMutual Private Wealth & Trust, FSB 13F manager | Trim | Common stock | $-729.4K | -6K -3.78% | 154,242 <0.01% of shares | low |
| Q1 2026 as of | Sanders Morris Harris LLC 13F manager | New | Common stock | $700.9K | +6K | 5,827 <0.01% of shares | low |
| Q1 2026 as of | Meiji Yasuda Life Insurance Co 13F manager | Add | Common stock | $697.7K | +6K +68.70% | 14,243 <0.01% of shares | low |
| Q2 2026 as of | Royal Palms Capital LLC 13F manager | New | Common stock | $662.8K | +5K | 5,158 <0.01% of shares | low |
| Q1 2026 as of | WASHINGTON TRUST Co 13F manager | Add | Common stock | $653.1K | +5K +18.72% | 34,430 <0.01% of shares | low |
| Q1 2026 as of | Longfellow Investment Management Co LLC 13F manager | Trim | Common stock | $-641.9K | -5K -46.03% | 6,257 <0.01% of shares | low |
| Q3 2025 as of | Catherine Avery Investment Management LLC 13F manager | Add | Common stock | $620.7K | +7K +17.54% | 49,562 <0.01% of shares | low |
| Q2 2026 as of | OneDigital Investment Advisors LLC 13F manager | Add | Common stock | $608.4K | +5K +8.98% | 57,459 <0.01% of shares | low |
| Q2 2026 as of | Westwood Wealth Management 13F manager | Exit | Common stock | $-600.4K | -6K -100.00% | 0 | low |
| Q1 2026 as of | Nichols & Pratt Advisers LLP /Ma 13F manager | Trim | Common stock | $-599.3K | -5K -1.10% | 446,639 0.02% of shares | low |
| Q3 2025 as of | Cresset Asset Management, LLC 13F manager | Add | Common stock | $598.4K | +7K +2.98% | 244,005 <0.01% of shares | low |
| Q2 2026 as of | The K2 Principal Fund, L.P. 13F manager | Exit | Common stock | $-598.3K | -6K -100.00% | 0 | low |
| Q1 2026 as of | Boyar Asset Management Inc. 13F manager | Add | Common stock | $595.3K | +5K +81.28% | 11,038 <0.01% of shares | low |
| Q1 2025 as of | Catherine Avery Investment Management LLC 13F manager | Add | Common stock | $593.6K | +7K +22.62% | 35,847 <0.01% of shares | low |
| Q1 2026 as of | Welch & Forbes LLC 13F manager | Trim | Common stock | $-584.7K | -5K -1.51% | 317,368 0.01% of shares | low |
| Q1 2026 as of | First National Bank & Trust Co of Newtown 13F manager | Trim | Common stock | $-563.0K | -5K -15.17% | 26,178 <0.01% of shares | low |
| Q2 2026 as of | First National Bank of Omaha 13F manager | Add | Common stock | $560.4K | +4K +3.66% | 123,043 <0.01% of shares | low |
| Q2 2026 as of | Grandfield & Dodd, LLC 13F manager | Trim | Common stock | $-542.4K | -4K -2.40% | 171,554 <0.01% of shares | low |
| Q1 2026 as of | New York Life Investment Management LLC 13F manager | Add | Common stock | $536.7K | +4K +1.31% | 344,750 0.01% of shares | low |
| Q1 2026 as of | Prelude Capital Management, LLC 13F manager | Exit | Common stock | $-528.7K | -5K -100.00% | 0 | low |
| Q1 2026 as of | D.a. Davidson & Co. 13F manager | Trim | Common stock | $-525.2K | -4K -0.76% | 572,593 0.02% of shares | low |
| Q4 2025 as of | Summit Wealth Group LLC / Co 13F manager | New | Common stock | $521.7K | +5K | 4,956 <0.01% of shares | low |
| Q2 2026 as of | Occidental Asset Management, LLC 13F manager | Add | Common stock | $520.2K | +4K +7.68% | 56,777 <0.01% of shares | low |
| Q2 2026 as of | Fortress Private Ledger, LLC 13F manager | Add | Common stock | $519.0K | +4K +89.68% | 8,543 <0.01% of shares | low |
| Q1 2021 as of | Leonteq Securities AG 13F manager | Trim | Common stock | $-518.0K | -7K -9.45% | 64,412 <0.01% of shares | low |
| Q1 2026 as of | Bradley Foster & Sargent INC/CT 13F manager | Trim | Common stock | $-514.7K | -4K -1.48% | 284,705 0.01% of shares | low |