$GKOS

Glaukos Corp (GKOS) Shares Fall 5.2% -- What GF Score of 77 Tell

Glaukos Corp (GKOS) shares fell 5.2% to $170.38, within a 52-week range of $73.16 to $191.62. The stock is up 94.7% year-to-date but has declined 5.5% in the past week and 6.1% in the past month. GuruFocus values GKOS at $151.61, suggesting it is 12.4% overvalued. The company has a GF Score of 77/100, indicating above-average performance. Insiders sold $67.6M in shares over the past year with no buying.

Original reporting
Published Sep 10, 2026, 10:36 PM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 11, 2026, 12:38 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefMarket movers
Primary signal
$GKOS
Bearish
medium confidence
Mentioned
$GKOS
Relevance
4/10
AlphAI data visualization · based on gurufocus.com
Decision brief

The 30-second read

$GKOSBearishLow
01

Why it matters

Overvaluation and insider selling may pressure the stock further; no new corporate event disclosed.

02

Market read

The article provides a valuation recap and insider sell data, offering limited actionable insight.

03

What to watch

Potential pipeline progress or upcoming regulatory approvals not covered in the article.

Relevance 4/10Novelty 2/10Timing: today

Background

GuruFocus valuation summary and insider activity for Glaukos Corp (GKOS).

Company-level read

Ticker impact

$GKOSBearishMedium confidence
Context

Shares fell 5.2% on Sep 10 to $170.38, overvalued vs GF estimate and $67.6M insider sales in past 12 months.

Expected impact

Further downside pressure likely if overvaluation persists.

Evidence & confidence

Overvaluation and large insider sell signal reduced confidence; no new catalyst to reverse trend.

Market effects

Highlights valuation concerns for the ophthalmic device sector.

Limited to US biotech/medical device investors.

Minimal global impact.

Counterpoint

Some investors may view the 77 GF Score as a buying opportunity despite short‑term price weakness.

Key entities

  • Glaukos Corp

    US‑listed ophthalmic device maker (ticker GKOS).

Related articles

$GKOSHighAI 8/10

Glaukos Market Cap More Than Doubles in a Year to $11B

Glaukos Corp.'s market cap has more than doubled to $11 billion in a year, driven by expanding into new eye care markets and record Q2 sales of $185.6 million. The company raised its full-year guidance and saw its shares rise over 15% post-earnings. Key products include iDose TR for glaucoma and Epioxa for keratoconus, with several other products in development.

$GKOSMed

GKOS Stock Surges 67% Year to Date: What's Driving the Rally?

Glaukos (GKOS) shares have risen 67.9% year-to-date, driven by strong revenue growth and product launches. Q2 revenue increased 49.5% to $185.6M, prompting raised 2026 guidance to $680-700M. Growth is attributed to iDose TR and Epioxa, with international expansion and a broad pipeline also contributing. Competitors include Alcon (ALC), Sight Sciences (SGHT), and AbbVie (ABBV). Risks include reimbursement and competition.

$GKOSMedAI 8/10

Glaukos Corp stock hits all-time high at 190.27 USD

Glaukos Corp (GKOS) hit an all-time high of $190.27, with a 111.6% increase over the past year. Its market cap is $11.03 billion, and revenue grew 41.55% over the last twelve months. Q2 2026 revenue was $185.6 million, up 49.5% year-over-year, exceeding estimates. Analysts raised price targets, with Truist Securities setting it at $215.

$GKOSMedAI 8/10

Glaukos (GKOS) Q2 2026 Earnings Call Transcript

Glaukos (NYSE: GKOS) reported Q2 2026 net sales of $185.6 million, up 50% year over year. U.S. glaucoma sales were $118.5 million, and iDose TR revenue was about $74 million. The company raised full-year 2026 net sales guidance to $680 million to $700 million and iDose TR revenue guidance to $275 million to $280 million.

$GKOSHighAI 9/10

Glaukos Q2 Earnings Beat Estimates on iDose TR Growth, Stock Up

Glaukos (GKOS) reported Q2 2026 adjusted loss of 14 cents per share, better than the Zacks Consensus loss of 28 cents. Revenue rose to $185.6 million, up 50% year over year, beating the consensus by 24.1%. Management raised 2026 net sales guidance to $680 million to $700 million. Shares rose 9.8% in after-hours.