MRK
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 16.4 | P/B | 4.97 |
| EPS (TTM) | 7.28 | Dividend | 2.84% |
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 225.8M | 0.5% | +3% |
| VANGUARD CAPITAL MANAGEMENT LLC | 161.0M | n/a | n/a |
| State Street | 119.3M | 0.5% | −1% |
| WELLINGTON MANAGEMENT GROUP LLP | 84.3M | 1.9% | −2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 67.3M | n/a | n/a |
| Geode Capital Management | 59.6M | 0.4% | −1% |
Top institutional owners for MRK as of the most recent 13F reporting period (Q1 2026 · Period ended Mar 31). Δ Q/Q reflects share-count change vs. the prior filing — positive green means adding, negative red means trimming. Cross-reference with the ownership-mix bars below to see which strategy cohort is driving the flow.
§ 06 · WHO OWNS IT · BY STRATEGY
Ownership mix by behavioral cohort. Top bars indicate which style of capital dominates the float — passive indexing, quality compounders, dealer/bank, systematic quant, etc. Big quality-compounder share means concentrated active conviction; heavy passive share means flows are dictated by index rebalances, not fundamentals.
§ 07 · INSIDER ACTIVITY · LAST 180 DAYS
| Date | Insider | Action | Shares | $ value |
|---|---|---|---|---|
| AUG 13 | Zachary Jennifer | SELL | 80K | −$11M |
| AUG 13 | Guindo Chirfi | SELL | 10K | −$1M |
| AUG 12 | DeLuca Richard R. | SELL | 600 | −$79K |
| AUG 10 | DeLuca Richard R. | SELL | 300 | −$39K |
| AUG 07 | Guindo Chirfi | SELL | 15K | −$2M |
| AUG 07 | Maraldo David R. | SELL | 3K | −$346K |
0 insider buys, 7 sells in the last 180 days. Scheduled 10b5-1 sales are pre-programmed and neutral; discretionary clusters are the tape worth reading. Cross-reference with the signal stack above for context.
§ 08 · COVERAGE · OUR RECENT NOTES
No notes mention MRK yet.