Why Is GLAUKOS CORP (GKOS) Stock Up Today?

Glaukos Corp (GKOS) shares surged 24.33% to close at $225.58 on Wednesday. The primary driver was a wave of price target increases from major investment banks following the company's third-quarter earnings report.

What Happened

The stock opened at $210.76, representing a 16.2% gap up from the previous close of $181.43. Several analysts raised their forecasts on the strength of the Epioxa product. JPMorgan lifted its target to $240 from $200, while Needham increased its target to $251 from $201. Citi raised its target to $247 from $225, and BTIG moved its target to $234 from $205. GuruFocus noted that the firm maintained a Buy rating with a price target of $234. Stifel also maintained a Buy rating, raising its target to $225.

What The Data Shows

The intraday session saw the stock hit a high of $227.78 at 9:40 AM ET and a low of $206.65 at 9:25 AM ET. Trading volume reached 0.6 million shares, which is 0.7 times the three-month daily average. The company has a market capitalization of $10.7 billion and remains unprofitable with a trailing twelve-month EPS of -$3.25. Revenue grew 41.5% year over year, though the net margin stands at -30.7%. The stock printed a fresh 52-week high on October 29, 2026. Over the last 80 days, insider filings show zero buys and eight sells totaling $18.2 million, with the most recent sale by Chief Development Officer Tomas Navratil on October 7, 2026.

What To Watch

Investors will monitor the breadth of analyst coverage following the Q3 earnings release. The stock has moved 8.7% over the last eight sessions, rising from $166.96 to $181.43 before today's jump.