GKOS
Price
$153.58
Change
+$1.45 (+0.95%)
Updated
Jul 24 closing price
Capitalization
9.02B
3 days until earnings call
Intraday BUY SELL Signals
ISRG
Price
$337.50
Change
+$5.48 (+1.65%)
Updated
Jul 24 closing price
Capitalization
119.23B
86 days until earnings call
Intraday BUY SELL Signals
NTRA
Price
$261.99
Change
-$2.70 (-1.02%)
Updated
Jul 24 closing price
Capitalization
37.52B
4 days until earnings call
Intraday BUY SELL Signals
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GKOS or ISRG or NTRA

GKOS vs ISRG vs NTRA Comparison Chart in %
View a ticker or compare two or three
Jul 19, 2026

Which Stock Would AI Choose? Glaukos Corporation (GKOS) vs. Intuitive Surgical, Inc. (ISRG) vs. Natera, Inc. (NTRA) Stock Comparison

Key Takeaways

  • Glaukos Corporation (GKOS) has surged roughly 39% year-to-date, driven by the successful launch of Epioxa, a first-of-its-kind FDA-approved topical treatment for keratoconus, and a raised 2026 revenue outlook.
  • Intuitive Surgical (ISRG) has declined approximately 39% year-to-date and recently fell sharply after maintaining its procedure-growth guidance, raising concerns about moderating U.S. surgical volumes and competitive pressures.
  • Natera (NTRA) has rallied nearly 90% over the past twelve months and over 450% across three years, reflecting robust demand for its molecular diagnostics and genetic testing platforms, though the company remains unprofitable on a trailing basis.
  • All three stocks operate in high-growth healthcare segments but exhibit starkly different market capitalizations, profitability profiles, and risk-reward dynamics.
  • Recent divergence in price momentum — with GKOS and NTRA trending higher while ISRG faces a pronounced correction — underscores the importance of evaluating trend consistency alongside fundamentals.

Introduction

Investors scanning the healthcare and medical technology landscape increasingly encounter three distinctive names: Glaukos Corporation, Intuitive Surgical, and Natera. Each occupies a specialized niche — ophthalmic devices, robotic-assisted surgery, and molecular diagnostics, respectively — yet all three are united by their reliance on innovation-led growth and expanding addressable markets. This stock comparison evaluates how GKOS, ISRG, and NTRA stack up across recent performance, business fundamentals, and market sentiment. For traders weighing relative performance and market positioning within healthcare, understanding the trade-offs among these three names is especially relevant in the current environment, where momentum, valuation sensitivity, and sector rotation are shaping capital flows.

GKOS Overview and Recent Performance

Glaukos Corporation is an ophthalmic pharmaceutical and medical technology company that develops therapies for glaucoma, corneal disorders, and retinal diseases. Its flagship products include the iStent family of micro-invasive glaucoma surgery (MIGS) devices, which are designed to reduce intraocular pressure by restoring natural aqueous humor outflow pathways. In recent weeks, GKOS has exhibited strong upward momentum, gaining approximately 23% over the past month and surpassing $156 per share — near its 52-week high. A major catalyst has been the March 2026 launch of Epioxa, the first and only FDA-approved incision-free topical treatment for keratoconus, a rare sight-threatening corneal disease. The company also raised its full-year 2026 sales guidance in April following stronger-than-expected business performance. With trailing twelve-month revenue of roughly $551 million, up more than 36% year-over-year, and a market capitalization near $9.2 billion, Glaukos remains unprofitable on a net income basis, reporting a negative EPS (earnings per share) of approximately -$3.29. However, analysts remain broadly constructive, with a consensus "Strong Buy" rating and an average price target around $165, reflecting optimism about the company's pipeline and commercial execution.

ISRG Overview and Recent Performance

Intuitive Surgical is the dominant player in robotic-assisted minimally invasive surgery, best known for its da Vinci surgical systems. As of mid-2026, the company had an installed base of over 11,700 da Vinci systems worldwide. Despite delivering second-quarter 2026 revenue of $2.89 billion — a 19% year-over-year increase that beat analyst expectations — ISRG stock has experienced a pronounced selloff. Shares have declined roughly 39% year-to-date and recently fell approximately 15% in a single week following the earnings report. The primary concern: the company maintained its full-year da Vinci procedure-growth guidance of 13.5% to 15.5%, which would represent the slowest expansion in several years, and management noted that U.S. surgical volumes showed signs of moderation. The expiration of ACA (Affordable Care Act) subsidies was cited as a mild headwind affecting patient decision-making around elective procedures. Competitive dynamics are also in focus, with Medtronic expanding its Hugo robotic system and Stryker introducing a new Mako platform for knee replacements. ISRG remains solidly profitable, with trailing EPS of $8.70 and a P/E (price-to-earnings) ratio near 39.6, but the sharp technical breakdown below its 200-week moving average has unsettled momentum-oriented investors. The company's market capitalization stands at approximately $122 billion, making it the largest of the three names by a wide margin.

NTRA Overview and Recent Performance

Natera is a molecular diagnostics company specializing in cell-free DNA testing across women's health, oncology, and organ health. Its non-invasive tests — including Panorama for prenatal screening and Signatera for cancer monitoring — have driven rapid revenue growth. Over the past twelve months, NTRA has returned nearly 90%, and its three-year return exceeds 450%, reflecting strong commercial adoption and expanding test volumes. In recent weeks, the stock has continued to trade near its 52-week high of approximately $288, gaining around 20% over the past month. Trailing twelve-month revenue reached roughly $2.3 billion, representing 36% year-over-year growth. Despite this momentum, Natera remains unprofitable, with a trailing EPS of -$1.62 and an enterprise value-to-EBITDA (earnings before interest, taxes, depreciation, and amortization) ratio in negative territory. The company's market capitalization has grown to approximately $39 billion, and institutional ownership exceeds 95%, indicating strong professional conviction. With a beta of 1.50, NTRA carries higher volatility than the broader market but has rewarded investors who positioned for its sustained diagnostic-testing tailwind. Its forward trajectory hinges on continued reimbursement wins, test menu expansion, and progress toward profitability.

Trending AI Robots

In an environment where three healthcare stocks can move in sharply different directions, many traders turn to systematic tools for navigating such divergence. Tickeron's Trending AI Robots page showcases a curated selection of AI-powered trading bots, filtered from hundreds of available strategies that collectively trade thousands of different tickers. Only those bots demonstrating the strongest alignment with current market conditions earn a place in this featured section. The bots span a wide range of trading styles — from short-term momentum strategies to swing trading and longer-term trend-following approaches — each with distinct performance statistics, timeframes, and ticker coverage. This diversity allows traders to assess which automated strategies are resonating with real-time market dynamics. For those seeking a data-driven edge in stock selection and timing, the Trending AI Robots page offers a practical starting point to explore what AI-driven analysis reveals in the current market landscape.

Head-to-Head Comparison

The contrast among these three stocks is striking. GKOS and NTRA are both unprofitable, high-growth companies with strong recent price momentum and positive catalysts — Epioxa for Glaukos and expanding test adoption for Natera. ISRG, by contrast, is a profitable mega-cap giant with far greater revenue scale but currently faces a growth-moderation narrative that has triggered a significant repricing. In terms of valuation sensitivity, ISRG trades at a trailing P/E of roughly 39.6, while GKOS and NTRA lack positive P/E ratios entirely, making them more reliant on revenue multiples and future earnings expectations. Risk factors also diverge: ISRG contends with mounting robotic-surgery competition and U.S. utilization headwinds; GKOS must execute on Epioxa's commercial ramp and advance its clinical pipeline; NTRA faces reimbursement uncertainty and the challenge of eventually converting rapid revenue growth into sustainable profitability. From a sector-exposure standpoint, all three are healthcare names, but their end markets — ophthalmology, robotic surgery, and genetic diagnostics — have distinct demand drivers and regulatory landscapes. Market sentiment currently favors GKOS and NTRA, both trading near highs, while ISRG navigates a sharp correction that has tested long-term technical support levels.

Tickeron AI Verdict

Based on observable factors such as trend consistency, catalyst visibility, and relative market positioning, Tickeron's AI-driven analysis would likely view GKOS and NTRA more favorably than ISRG in the current environment. Both GKOS and NTRA exhibit strong upward trend structures, positive revenue momentum, and fresh catalysts that have translated into sustained buying interest. NTRA's multi-year trend is particularly impressive, though its elevated valuation and lack of profitability introduce a higher sensitivity to any disappointment. ISRG, while fundamentally robust, contends with decelerating procedure growth, increasing competition, and a technical breakdown below key moving averages — factors that trend-following algorithms typically penalize. Among the three, GKOS currently presents the most balanced combination of recent price momentum, a concrete new product catalyst in Epioxa, and a manageable market capitalization that leaves room for upside if commercial execution continues to outperform expectations. As always, AI-based assessments reflect probabilities derived from historical patterns and real-time data rather than certainties, and no single factor should be considered in isolation.

Disclaimer

The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.

Disclaimers and Limitations

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COMPARISON
Comparison
Jul 26, 2026
Stock price -- (GKOS: $153.58ISRG: $337.50NTRA: $261.99)
Brand notoriety: GKOS and NTRA are not notable and ISRG is notable
GKOS represents the Medical/Nursing Services industry, ISRG is part of the Pharmaceuticals: Other industry, and NTRA is in the Medical Specialties industry.
Current volume relative to the 65-day Moving Average: GKOS: 37%, ISRG: 89%, NTRA: 23%
Market capitalization -- GKOS: $9.02B, ISRG: $119.23B, NTRA: $37.52B
GKOS [@Medical/Nursing Services] is valued at $9.02B. ISRG’s [@Pharmaceuticals: Other] market capitalization is $119.23B. NTRA [@Medical Specialties] has a market capitalization of $37.52B. The market cap for tickers in the [@Medical/Nursing Services] industry ranges from $179.51B to $0. The market cap for tickers in the [@Pharmaceuticals: Other] industry ranges from $119.23B to $0. The market cap for tickers in the [@Medical Specialties] industry ranges from $3.82T to $0. The average market capitalization across the [@Medical/Nursing Services] industry is $5.65B. The average market capitalization across the [@Pharmaceuticals: Other] industry is $7.43B. The average market capitalization across the [@Pharmaceuticals: Other] industry is $17.05B.

Long-Term Analysis

It is best to consider a long-term outlook for a ticker by using Fundamental Analysis (FA) ratings. The rating of 1 to 100, where 1 is best and 100 is worst, is divided into thirds. The first third (a green rating of 1-33) indicates that the ticker is undervalued; the second third (a grey number between 34 and 66) means that the ticker is valued fairly; and the last third (red number of 67 to 100) reflects that the ticker is undervalued. We use an FA Score to show how many ratings show the ticker to be undervalued (green) or overvalued (red).

GKOS’s FA Score shows that 0 FA rating(s) are green whileISRG’s FA Score has 0 green FA rating(s), and NTRA’s FA Score reflects 0 green FA rating(s).

  • GKOS’s FA Score: 0 green, 5 red.
  • ISRG’s FA Score: 0 green, 5 red.
  • NTRA’s FA Score: 0 green, 5 red.
According to our system of comparison, NTRA is a better buy in the long-term than GKOS, which in turn is a better option than ISRG.

Short-Term Analysis

It is best to consider a short-term outlook for a ticker by using Technical Analysis (TA) indicators. We use Odds of Success as the percentage of outcomes which confirm successful trade signals in the past.

If the Odds of Success (the likelihood of the continuation of a trend) for each indicator are greater than 50%, then the generated signal is confirmed. A green percentage from 90% to 51% indicates that the ticker is in a bullish trend. A red percentage from 90% - 51% indicates that the ticker is in a bearish trend. All grey percentages are below 50% and are considered not to confirm the trend signal.

GKOS’s TA Score shows that 4 TA indicator(s) are bullish while ISRG’s TA Score has 5 bullish TA indicator(s), and NTRA’s TA Score reflects 4 bullish TA indicator(s).

  • GKOS’s TA Score: 4 bullish, 5 bearish.
  • ISRG’s TA Score: 5 bullish, 4 bearish.
  • NTRA’s TA Score: 4 bullish, 3 bearish.
According to our system of comparison, ISRG and NTRA are a better buy in the short-term than GKOS.

Price Growth

GKOS (@Medical/Nursing Services) experienced а -2.07% price change this week, while ISRG (@Pharmaceuticals: Other) price change was -2.29% , and NTRA (@Medical Specialties) price fluctuated -3.46% for the same time period.

The average weekly price growth across all stocks in the @Medical/Nursing Services industry was -5.78%. For the same industry, the average monthly price growth was -7.49%, and the average quarterly price growth was -21.89%.

The average weekly price growth across all stocks in the @Pharmaceuticals: Other industry was -3.53%. For the same industry, the average monthly price growth was -1.01%, and the average quarterly price growth was -10.46%.

The average weekly price growth across all stocks in the @Medical Specialties industry was -1.55%. For the same industry, the average monthly price growth was +2.80%, and the average quarterly price growth was +1.12%.

Reported Earning Dates

GKOS is expected to report earnings on Jul 29, 2026.

ISRG is expected to report earnings on Oct 20, 2026.

NTRA is expected to report earnings on Jul 30, 2026.

Industries' Descriptions

@Medical/Nursing Services (-5.78% weekly)

The medical/nursing services includes companies that provide medical-related services such as ambulance services, dialysis centers, respiratory therapy, blood testing and rehabilitation services. DaVita Inc., Chemed Corporation and Guardant Health, Inc. are examples of companies in this industry.

@Pharmaceuticals: Other (-3.53% weekly)

Pharmaceuticals (Other) comprise companies that are involved in the discovery, development or manufacturing of therapeutic and preventative medicines. They often collaborate with or acquire other pharmaceutical/healthcare firms. Examples of companies in this segment include Bausch Health Companies Inc., Icon Plc and Perrigo Company Plc.

@Medical Specialties (-1.55% weekly)

Medical specialties are companies that make equipment used by the health care industry. Equipment manufactured and distributed by these companies include dialysis machines, blood analysis equipment, surgical equipment, dental instruments, and diagnostic tools, among other items. Large companies typically aim to produce and distribute high-quality products across a broad market spectrum. Smaller firms are more likely to specialize in a particular market segment. Due to the industry’s close association with medical treatments, they typically have low sensitivity to macroeconomic fluctuations. Within this industry, Abbott Laboratories, Medtronic Plc and Thermo Fisher Scientific Inc. are some of the companies with multi-billion market capitalizations in the U.S. stock markets.

SUMMARIES
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FUNDAMENTALS
Fundamentals
ISRG($119B) has a higher market cap than NTRA($37.5B) and GKOS($9.02B). GKOS YTD gains are higher at: 36.020 vs. NTRA (14.361) and ISRG (-40.409). ISRG has higher annual earnings (EBITDA): 3.95B vs. GKOS (-144M) and NTRA (-227.7M). ISRG has more cash in the bank: 4.52B vs. NTRA (1.09B) and GKOS (277M). ISRG has less debt than GKOS and NTRA: ISRG (87M) vs GKOS (103M) and NTRA (240M). ISRG has higher revenues than NTRA and GKOS: ISRG (10.6B) vs NTRA (2.5B) and GKOS (551M).
GKOSISRGNTRA
Capitalization9.02B119B37.5B
EBITDA-144M3.95B-227.7M
Gain YTD36.020-40.40914.361
P/E RatioN/A38.70N/A
Revenue551M10.6B2.5B
Total Cash277M4.52B1.09B
Total Debt103M87M240M
FUNDAMENTALS RATINGS
GKOS vs ISRG vs NTRA: Fundamental Ratings
GKOS
ISRG
NTRA
OUTLOOK RATING
1..100
846350
VALUATION
overvalued / fair valued / undervalued
1..100
94
Overvalued
75
Overvalued
56
Fair valued
PROFIT vs RISK RATING
1..100
579134
SMR RATING
1..100
985196
PRICE GROWTH RATING
1..100
386539
P/E GROWTH RATING
1..100
5790100
SEASONALITY SCORE
1..100
n/a50n/a

Tickeron ratings are formulated such that a rating of 1 designates the most successful stocks in a given industry, while a rating of 100 points to the least successful stocks for that industry.

NTRA's Valuation (56) in the Biotechnology industry is in the same range as ISRG (75) in the Medical Specialties industry, and is somewhat better than the same rating for GKOS (94) in the Medical Specialties industry. This means that NTRA's stock grew similarly to ISRG’s and somewhat faster than GKOS’s over the last 12 months.

NTRA's Profit vs Risk Rating (34) in the Biotechnology industry is in the same range as GKOS (57) in the Medical Specialties industry, and is somewhat better than the same rating for ISRG (91) in the Medical Specialties industry. This means that NTRA's stock grew similarly to GKOS’s and somewhat faster than ISRG’s over the last 12 months.

ISRG's SMR Rating (51) in the Medical Specialties industry is somewhat better than the same rating for NTRA (96) in the Biotechnology industry, and is somewhat better than the same rating for GKOS (98) in the Medical Specialties industry. This means that ISRG's stock grew somewhat faster than NTRA’s and somewhat faster than GKOS’s over the last 12 months.

GKOS's Price Growth Rating (38) in the Medical Specialties industry is in the same range as NTRA (39) in the Biotechnology industry, and is in the same range as ISRG (65) in the Medical Specialties industry. This means that GKOS's stock grew similarly to NTRA’s and similarly to ISRG’s over the last 12 months.

GKOS's P/E Growth Rating (57) in the Medical Specialties industry is somewhat better than the same rating for ISRG (90) in the Medical Specialties industry, and is somewhat better than the same rating for NTRA (100) in the Biotechnology industry. This means that GKOS's stock grew somewhat faster than ISRG’s and somewhat faster than NTRA’s over the last 12 months.

TECHNICAL ANALYSIS
Technical Analysis
GKOSISRGNTRA
RSI
ODDS (%)
Bearish Trend 2 days ago
77%
Bullish Trend 2 days ago
70%
Bearish Trend 2 days ago
68%
Stochastic
ODDS (%)
Bearish Trend 2 days ago
75%
Bullish Trend 2 days ago
77%
Bullish Trend 2 days ago
82%
Momentum
ODDS (%)
Bullish Trend 2 days ago
79%
Bearish Trend 2 days ago
61%
Bearish Trend 2 days ago
74%
MACD
ODDS (%)
Bearish Trend 2 days ago
75%
Bearish Trend 2 days ago
76%
Bearish Trend 2 days ago
67%
TrendWeek
ODDS (%)
Bearish Trend 2 days ago
71%
Bearish Trend 2 days ago
64%
Bearish Trend 2 days ago
77%
TrendMonth
ODDS (%)
Bullish Trend 2 days ago
76%
Bearish Trend 2 days ago
69%
Bullish Trend 2 days ago
82%
Advances
ODDS (%)
Bullish Trend 17 days ago
78%
Bullish Trend 10 days ago
66%
Bullish Trend 24 days ago
79%
Declines
ODDS (%)
Bearish Trend 3 days ago
68%
Bearish Trend 3 days ago
61%
N/A
BollingerBands
ODDS (%)
Bearish Trend 2 days ago
71%
Bullish Trend 2 days ago
63%
Bullish Trend 2 days ago
89%
Aroon
ODDS (%)
Bullish Trend 2 days ago
80%
Bullish Trend 2 days ago
65%
Bullish Trend 2 days ago
79%
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GKOS
Daily Signal:
Gain/Loss:
ISRG
Daily Signal:
Gain/Loss:
NTRA
Daily Signal:
Gain/Loss:
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ISRG and

Correlation & Price change

A.I.dvisor indicates that over the last year, ISRG has been closely correlated with BSX. These tickers have moved in lockstep 73% of the time. This A.I.-generated data suggests there is a high statistical probability that if ISRG jumps, then BSX could also see price increases.

1D
1W
1M
1Q
6M
1Y
5Y
Ticker /
NAME
Correlation
To ISRG
1D Price
Change %
ISRG100%
+1.65%
BSX - ISRG
73%
Closely correlated
+1.54%
SYK - ISRG
64%
Loosely correlated
+3.54%
NTRA - ISRG
54%
Loosely correlated
-1.02%
GKOS - ISRG
51%
Loosely correlated
+0.95%
PODD - ISRG
49%
Loosely correlated
+3.08%
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