ISRG — INTUITIVE SURGICAL INC
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
Others in Healthcare
Measured signals that fired on ISRG
| date | signal | measured base rate |
|---|---|---|
| 2026-08-21 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-08-04 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-28 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-09 | Fair value gap, bearish structure | -0.45% over 21 days · t = -3.29 · n = 108,591 statistically distinguishable from its control group |
| 2026-07-06 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-06-05 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-21 | Brosius Mark EVP & Chief Mfg and Supply Cha | Open-market sale 10b5-1 plan | 77 | 375.57 | 28.9K |
| 2026-08-20 | Brosius Mark EVP & Chief Mfg and Supply Cha | Open-market sale 10b5-1 plan | 77 | 396.37 | 30.5K |
| 2026-08-19 | Brosius Mark EVP & Chief Mfg and Supply Cha | Open-market sale 10b5-1 plan | 77 | 394.26 | 30.4K |
| 2026-08-18 | Brosius Mark EVP & Chief Mfg and Supply Cha | Open-market sale 10b5-1 plan | 77 | 394.00 | 30.3K |
| 2026-08-17 | Brosius Mark EVP & Chief Mfg and Supply Cha | Open-market sale 10b5-1 plan | 77 | 390.67 | 30.1K |
| 2026-08-11 | GUTHART GARY S Director | Open-market sale 10b5-1 plan | 10.0K | 400.00 | 4.0M |
| 2026-08-11 | Ladd Amy L Director | Open-market sale 10b5-1 plan | 72 | 393.10 | 28.3K |
| 2026-08-10 | LOEB GARY EVP & Chief Legal and Complian | Open-market sale 10b5-1 plan | 400 | 379.00 | 151.6K |
| 2026-08-10 | Ladd Amy L Director | Open-market sale 10b5-1 plan | 400 | 379.00 | 151.6K |
| 2026-07-31 | Brosius Mark EVP & Chief Mfg and Supply Cha | Open-market sale 10b5-1 plan | 28 | 351.00 | 9.8K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 13.9B | 30.1M |
| VANGUARD CAPITAL MANAGEMENT LLC | 10.6B | 23.1M |
| STATE STREET CORP | 7.3B | 15.8M |
| GEODE CAPITAL MANAGEMENT, LLC | 3.9B | 8.5M |
| Capital World Investors | 3.7B | 8.0M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3.3B | 7.2M |
| MORGAN STANLEY | 2.8B | 6.1M |
| FMR LLC | 2.5B | 5.5M |
| ALLIANCEBERNSTEIN L.P. | 2.2B | 3.8M |
| JPMORGAN CHASE & CO | 2.1B | 4.6M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Latest SEC filings
| form | filed | period | |
|---|---|---|---|
| 4 | 2026-08-21 | 2026-08-20 | on EDGAR ↗ |
| 4 | 2026-08-19 | 2026-08-17 | on EDGAR ↗ |
| 4 | 2026-08-12 | 2026-08-11 | on EDGAR ↗ |
| 4 | 2026-08-11 | 2026-08-10 | on EDGAR ↗ |
| 144 | 2026-08-11 | — | on EDGAR ↗ |
| 4 | 2026-08-10 | 2026-08-10 | on EDGAR ↗ |
| 144 | 2026-08-10 | — | on EDGAR ↗ |
| 144 | 2026-08-10 | — | on EDGAR ↗ |
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- Intuitive Surgical stock digests Q2 2026 beat as conservative guidance tempers enthusiasm - Ad-hoc-news.de · 2026-08-24 · Ad-hoc-news.de
- INTUITIVE SURGICAL INC (ISRG) filed form 4 · 2026-08-21 · SEC EDGAR
- INTUITIVE SURGICAL INC (ISRG) filed form 4 · 2026-08-19 · SEC EDGAR
- Intuitive Surgical Stock Is Having Its Worst Year Since 2008. What's Behind the Sell-Off? · 2026-08-18
- Intuitive Surgical (ISRG) Stock Has Plunged 33% in 2026. Here's Why One Fund Manager Remains Bullish -- and Why I Do, Too. · 2026-08-12
- Intuitive Surgical: Oppenheimer now bullish, sees competition being "crowded out" · 2026-08-12
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