ISRG
§ 03 · SIGNAL STACK · WHAT THE INPUTS SAY
§ 04 · FUNDAMENTALS · THE BOOKS
| P/E | 56.2 | P/B | 11.26 |
| EPS (TTM) | 7.88 |
| Fund | Shares | % port | Δ Q/Q |
|---|---|---|---|
| BlackRock, Inc. | 30.1M | 0.2% | −1% |
| VANGUARD CAPITAL MANAGEMENT LLC | 23.1M | n/a | n/a |
| State Street | 15.8M | 0.3% | +1% |
| Geode Capital Management | 8.5M | 0.2% | +3% |
| Capital World Investors | 8.0M | 0.5% | +2% |
| Invesco Ltd | 7.5M | n/a | n/a |
Top institutional owners for ISRG 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 |
|---|---|---|---|---|
| SEP 16 | Widman Fredrik | SELL | 543 | −$203K |
| SEP 11 | Brosius Mark | SELL | 25 | −$9K |
| SEP 09 | Brosius Mark | SELL | 23 | −$8K |
| JUL 31 | Brosius Mark | SELL | 28 | −$10K |
| JUN 12 | Brosius Mark | SELL | 25 | −$10K |
| JUN 10 | LOEB GARY | SELL | 400 | −$170K |
0 insider buys, 12 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 ISRG yet.