MRK
Merck & Co., Inc.
NYSE · USHealthcareDrug Manufacturers - General
$126.43-0.84%
Price as of Jul 20, 2026
MRK ownership
Merck & Co., Inc. ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
50/100
Buys (3m)
0
Sells (3m)
0
Net (3m)
$0
Insider trades by month Buys Sells
Feb
Apr
Nov
Feb
Context3-month price +3%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 1, 2026 | Seidman Christine Edirector | Grant | 63 | — |
| Jul 1, 2026 | Coe Mary Ellendirector | Grant | 233 | — |
| Jul 1, 2026 | Karsanbhai Surendralal Lancadirector | Grant | 126 | — |
| Jun 2, 2026 | Warden Kathy Jdirector | Grant | 1,853 | — |
| Jun 2, 2026 | Craig Pamela J.director | Grant | 1,853 | — |
| Jun 2, 2026 | Rothman Pauldirector | Grant | 1,853 | — |
| Jun 2, 2026 | Seidman Christine Edirector | Grant | 1,853 | — |
| Jun 2, 2026 | Coe Mary Ellendirector | Grant | 1,853 | — |
| Jun 2, 2026 | Karsanbhai Surendralal Lancadirector | Grant | 1,853 | — |
| Jun 2, 2026 | THULIN INGE Gdirector | Grant | 1,853 | — |
| Jun 2, 2026 | LAVIZZO-MOUREY RISA Jdirector | Grant | 1,853 | — |
| Jun 2, 2026 | GLOCER THOMAS Hdirector | Grant | 1,853 | — |
| Jun 2, 2026 | RUSSO PATRICIA Fdirector | Grant | 1,853 | — |
| Jun 2, 2026 | Mayo Stephendirector | Grant | 1,853 | — |
| Jun 2, 2026 | BAKER DOUGLAS M JRdirector | Grant | 1,853 | — |
| May 7, 2026 | Li Dean Yofficer: Executive VP & President, MRL | Grant | 19,885 | — |
| May 7, 2026 | Davis Robert Mdirector, officer: Chairman, CEO & President | Grant | 139,697 | $113.15 |
| May 7, 2026 | Maraldo David R.officer: EVP & Pres. MMD | Grant | 7,424 | — |
| May 7, 2026 | Williams David Michaelofficer: EVP,Chief Info&Digital Officer | Grant | 4,640 | — |
| May 7, 2026 | Oosthuizen Johannes Jacobusofficer: EVP, Oncology & Int?l | Grant | 10,605 | — |
| May 7, 2026 | Williams David Michaelofficer: EVP,Chief Info&Digital Officer | Grant | 13,582 | $113.15 |
| May 7, 2026 | Davis Robert Mdirector, officer: Chairman, CEO & President | Grant | 47,724 | — |
| May 7, 2026 | Foard Brianofficer: EVP, Specialty, Pharma, & ID | Grant | 35,351 | — |
| May 7, 2026 | Litchfield Carolineofficer: EVP & CFO | Grant | 46,566 | $113.15 |
| May 7, 2026 | Larson Betty Dofficer: EVP, Chief HR Officer | Grant | 7,954 | — |
| May 7, 2026 | Larson Betty Dofficer: EVP, Chief HR Officer | Grant | 23,283 | $113.15 |
| May 7, 2026 | DeLuca Richard R.officer: EVP&Pres, Merck Animal Heallth | Grant | 34,924 | $113.15 |
| May 7, 2026 | Li Dean Yofficer: Executive VP & President, MRL | Grant | 58,207 | $113.15 |
| May 7, 2026 | DeLuca Richard R.officer: EVP&Pres, Merck Animal Heallth | Grant | 11,931 | — |
| May 7, 2026 | Foard Brianofficer: EVP, Specialty, Pharma, & ID | Grant | 31,044 | $113.15 |
Source: MRK SEC Form 4 filings, latest Jul 1, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their MRK positions over the last 6 months (SEC Form 13F).
Increased
2967
New positions
781
Reduced
3119
Sold out
251
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| VANGUARD GROUP INC | Increased | 254.3M | Jan 29, 2026 |
| BLACKROCK, INC. | Increased | 225.9M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 219.1M | Feb 12, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 161.0M | May 15, 2026 |
| STATE STREET CORP | Increased | 120.0M | Feb 13, 2026 |
| STATE STREET CORP | Reduced | 119.3M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 86.4M | Feb 17, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 84.3M | May 15, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 67.3M | May 8, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 60.0M | Feb 9, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | Reduced | 59.6M | May 15, 2026 |
| JPMORGAN CHASE & CO | Increased | 53.0M | May 13, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Increased | 49.8M | May 15, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | Reduced | 48.6M | Feb 13, 2026 |
| MORGAN STANLEY | Reduced | 47.6M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.