Intuitive Surgical Inc. (ISRG) Stock
NASDAQISRG has an Alpha Score of 41 out of 100 (weak), computed on Oct 28, 2026 from 3 of 4 sub-scores. 18 members of Congress disclosed 65 trades in ISRG since 2016: 33 purchases and 32 sales, most recently Alan Armstrong (purchase, Mar 27, 2026). 8 of the hedge funds AlphaScala tracks reported ISRG in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Coatue Management's at $315.64M. Company insiders reported 0 open-market buys and 22 sales on SEC Form 4 in the 90 days to Oct 30, 2026. Its trailing P/E ratio is 48.1 and its net margin 28.4% (key statistics as of Oct 22, 2026).
What is ISRG's Alpha Score?
How it works →Alpha Score of 41 reflects weak overall profile with weak momentum, poor value, strong quality. Based on 3 of 4 signals – score is capped at 90 until remaining data ingests.
Computed from 3 of 4 sub-scores; a sub-score is left out when its inputs are missing, and the composite is capped accordingly.
Computed Oct 28, 2026
A rules-based research rating, not a recommendation to buy or sell.
Which members of Congress traded Intuitive Surgical Inc. (ISRG)?
Most recent: Alan Armstrong (purchase, Mar 27, 2026); records start Nov 23, 2016.
| Politician | Trade date | Type | Amount |
|---|---|---|---|
| Alan Armstrong R-OK · Senate | 2026-03-27 | purchase | $1k – $15k |
| Gil Cisneros D-CA · House | 2026-01-30 | purchase | $1k – $15k |
| Markwayne Mullin R-OK · Senate | 2025-12-29 | purchase | $15k – $50k |
| Gil Cisneros D-CA · House | 2025-12-10 | purchase | $1k – $15k |
| Gil Cisneros D-CA · House | 2025-11-18 | purchase | $1k – $15k |
| Markwayne Mullin R-OK · Senate | 2025-09-24 | purchase | $50k – $100k |
| Josh Gottheimer D-NJ · House | 2025-09-03 | partial sale | $1k – $15k |
| Lisa McClain R-MI · House | 2025-07-16 | sale | $1k – $15k |
From STOCK Act periodic transaction reports. House filings as of Oct 29, 2026. Senate records here end Oct 21, 2026; later Senate trades are not included.
Every member of Congress who traded ISRG, with filing lags →Which hedge funds own ISRG?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Coatue Management Philippe Laffont | 794K | $315.64M | -7% |
| Renaissance Technologies Jim Simons (founder) | 504K | $200.60M | +262% |
| Citadel Ken Griffin | 470K | $186.94M | -65% |
| Millennium Management Israel Englander | 413K | $164.38M | -55% |
| D.E. Shaw David Shaw | 340K | $135.32M | -41% |
| Point72 Steve Cohen | 168K | $66.68M | -74% |
| Marshall Wace | 110K | $43.78M | -66% |
| ARK Invest Cathie Wood | 70K | $27.99M | +2% |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are Intuitive Surgical Inc. insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Oct 28, 26 | Brosius Mark | EVP & Chief Mfg and Supply Cha | SELL | 61 | $27K |
| Oct 27, 26 | Brosius Mark | EVP & Chief Mfg and Supply Cha | SELL | 61 | $28K |
| Oct 26, 26 | Brosius Mark | EVP & Chief Mfg and Supply Cha | SELL | 61 | $28K |
| Oct 23, 26 | Wadors Patricia L | SVP Chief Human Resources Offi | SELL | 1.1K | $478K |
| Oct 23, 26 | Barratt Craig H | Director | SELL | 1.1K | $510K |
| Oct 23, 26 | Guthart Gary S | Director | SELL | 20.1K | $9.1M |
| Oct 23, 26 | Widman Fredrik | VP Corporate Controller | SELL | 4.0K | $1.8M |
| Sep 15, 26 | Widman Fredrik | VP Corporate Controller | SELL | 546 | $204K |
| Sep 15, 26 | Widman Fredrik | VP Corporate Controller | SELL | 543 | $203K |
| Sep 11, 26 | Brosius Mark | EVP & Chief Mfg and Supply Cha | SELL | 25 | $9K |
SEC Form 4 filings as of Oct 30, 2026
See cluster-buy signals across all tickers →What are ISRG's key statistics?
Key statistics as of Oct 22, 2026
How does ISRG's valuation compare with the Healthcare sector?
| Metric | ISRG | Healthcare median | Companies in median |
|---|---|---|---|
| P/E ratio | 48.1 | 27.0 | 96 |
| Net margin | 28.45% | 5.92% | 136 |
| Return on equity | 17.81% | 7.18% | 155 |
Medians over the Healthcare stocks whose key statistics were refreshed in the last 35 days (newest Nov 1, 2026). P/E excludes loss-making companies.
What did Intuitive Surgical Inc.'s latest SEC filings say?
Latest 1Intuitive Surgical Completes Acquisition of European Distribution Business from ab medica and Affiliates
On March 2, 2026, Intuitive Surgical, Inc. filed an 8-K to announce the formal completion of its acquisition of the da Vinci and Ion distribution business previously operated by ab medica, Abex, Excelencia Robótica, and their respective affiliates. The transaction, which closed on March 1, 2026, marks a strategic shift for the company in its European operations. By acquiring these distribution channels, Intuitive Surgical transitions from a third-party distribution model to a direct-to-market approach for its robotic-assisted surgical systems in the affected regions. The filing serves as a formal notification of this material event under Item 8.01 of Form 8-K. The company provided a press release as an exhibit to the filing, which details the scope of the acquisition. No financial terms of the transaction were disclosed in the filing. The company's Chief Financial Officer, Jamie E. Samath, signed the report on behalf of the registrant.
- ›Completed acquisition of da Vinci and Ion distribution business from ab medica and affiliates.
- ›Effective date of the acquisition was March 1, 2026.
- ›Transition to direct distribution model for robotic surgical systems in relevant European markets.
ISRG price chart
Powered by TradingViewWhat does Intuitive Surgical Inc. do?
Intuitive Surgical, Inc. is a global technology leader in minimally invasive care, specializing in robotic-assisted surgical systems. The company develops and provides advanced da Vinci surgical platforms that enable physicians to perform complex procedures with enhanced precision, control, and visualization, supporting specialties such as urology, gynecology, general surgery, colorectal, thoracic, cardiac, bariatric, head and neck. Its offerings extend to digital solutions, bronchoscopy systems, and data analytics tools that optimize care delivery, improve outcomes, enhance care team and patient experiences, and promote lower costs and broader access. Intuitive Surgical, Inc. collaborates closely with healthcare professionals worldwide to advance less invasive treatments across various procedures. Founded in 1995 and headquartered in Sunnyvale, California, the company plays a pivotal role in transforming surgical practices through innovative technology that prioritizes patient safety, product reliability, and expanded care accessibility.