BSX
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 32.2 | P/B | 5.83 |
| EPS (TTM) | 1.94 |
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 131.8M | 0.1% | −3% |
| VANGUARD CAPITAL MANAGEMENT LLC | 96.4M | n/a | n/a |
| Fidelity Management | 74.2M | 0.2% | −24% |
| State Street | 68.0M | 0.1% | +3% |
| JPMORGAN CHASE & CO | 33.4M | n/a | +31% |
| Geode Capital Management | 33.3M | 0.1% | +3% |
Top institutional owners for BSX 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 26 | Morano Susan E | BUY | 2K | +$100K |
| AUG 07 | Habiger David C | BUY | 2K | +$100K |
| AUG 05 | Mahoney Michael F | BUY | 186K | +$9M |
| AUG 05 | Habiger David C | BUY | 140 | +$7K |
| AUG 03 | LUDWIG EDWARD J | BUY | 5K | +$227K |
| MAY 21 | Pegus Cheryl | BUY | 2K | +$100K |
8 insider buys, 0 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 BSX yet.