Market Cap
$9.4B
GKOS
GLAUKOS Corp
$166.71 ▲ +2.17%
Prev close $163.17Market cap$9.4B
ConsensusStrong Buy
12-mo target$198.69 (+19.2%)
▲ Bullish
Analyst conviction 9/10
Insider Selling Cluster (2 insiders)34 New Institutional Positions16 Institutional Exits Healthcare & Medical Devices
Snapshot
The big-picture read on GKOS right now — valuation, ownership and activity at a glance.
Cap Size
Mid Cap
Analyst Consensus
Strong Buy (86%)
Inst. Holders
50 funds
Inst. Value
$7.1B
Inst. Activity
34 buys / 16 sells
Insider Activity
$0.00 buy / $22.9M sell
Insider Net $
-$22.9M
SEC Reports
8
Price chart 30d -7.1%
Daily candles (open–high–low–close) with volume. Green = up day, red = down day.
No data for this timeframe.
Vol
Recent activity
The latest filings, insider trades, analyst actions, press and options flow — newest first.
Sep 25, 2026 Insider
Navratil Tomas sold 167 shares
CHIEF DEVELOPMENT OFFICER @ $151.70 ($25.3K)
Sep 25, 2026 Insider
Navratil Tomas sold 136 shares
CHIEF DEVELOPMENT OFFICER @ $152.71 ($20.8K)
Sep 25, 2026 Insider
Aug 14, 2026 SEC Navratil Tomas sold 229 shares
CHIEF DEVELOPMENT OFFICER @ $154.24 ($35.3K)
President & COO Joseph Gilliam and CFO Alex Thurman sold a combined $8.6M of GKOS stock in open-market transactions with
CLUSTER — Impact 3/10
A cluster of insider selling at Glaukos Corp (GKOS) totaling $3.69M over 8 days, dominated by CFO Alex Thurman's $3.6M o
CLUSTER — Impact 2/10
Glaukos filed an 8-K furnishing an August 2026 investor presentation. The presentation reiterates previously disclosed 2
8-K — Impact 3/10
Jul 31, 2026 short_interest_report
Short Interest: GKOS down 23% to 3.6M shares
Settlement 2026-07-31 | Days to cover: 3.64 | ≈6.15% of shares outstanding (est.)
Jun 30, 2026 Inst.
MILLENNIUM MANAGEMENT LLC — ADD
1,581,016 shares ($221.0M)
Analyst ratings buy % +0.0%
How Wall Street rates the stock today, and the latest firm-by-firm actions.
86% rate it Buy or better · 21 analysts
Recent analyst actions
| Date | Firm | Action | Rating | Firm rating |
|---|---|---|---|---|
| Sep 22, 2026 | Jefferies | MAINTAIN | Buy | 53% |
| Aug 20, 2026 | BTIG | MAINTAIN | Buy | 53% |
| Jul 30, 2026 | UBS | MAINTAIN | Neutral | 55% |
| Jul 30, 2026 | HC Wainwright & Co. | MAINTAIN | Buy | 43% |
| Jul 30, 2026 | Citigroup | MAINTAIN | Buy | 55% |
| Jul 30, 2026 | Piper Sandler | REITERATE | Overweight | 54% |
| Jul 30, 2026 | Jefferies | MAINTAIN | Buy | 53% |
| Jul 30, 2026 | Stifel | MAINTAIN | Buy | 54% |
| Jul 30, 2026 | Truist Securities | MAINTAIN | Buy | 55% |
| Jul 30, 2026 | Wells Fargo | MAINTAIN | Overweight | 54% |
Monthly consensus history
| Period | Str. Buy | Buy | Hold | Sell | Str. Sell | Buy % | Distribution |
|---|---|---|---|---|---|---|---|
| Sep 1, 2026 | 8 | 10 | 2 | 1 | 0 | 86% | |
| Aug 1, 2026 | 8 | 10 | 2 | 1 | 0 | 86% | |
| Jul 1, 2026 | 8 | 11 | 1 | 1 | 0 | 90% | |
| Jun 1, 2026 | 8 | 11 | 1 | 1 | 0 | 90% | |
| May 1, 2026 | 8 | 11 | 2 | 1 | 0 | 86% | |
| Apr 1, 2026 | 8 | 11 | 2 | 1 | 0 | 86% | |
| Mar 1, 2026 | 8 | 11 | 2 | 1 | 0 | 86% | |
| Feb 1, 2026 | 8 | 11 | 2 | 1 | 0 | 86% |
Price targets
Where 13 covering analysts think GKOS trades over the next 12 months.
$198.69 +19.2% upside Buy
Current$166.71 Low$172.00 Median$200.00 High$225.00 13 analysts
$172.00$225.00
Analyst rating Strong Buy· 1.4/5 as of Oct 2, 2026
Reports & filings
AI-scored summaries of recent SEC filings and press releases, with sentiment and impact.
8 SEC filing reports analyzed · 0 bullish, 0 bearish, 0 mixed, 8 neutral · avg impact 2.5/10.
NEUTRALCLUSTER3/10
President & COO Joseph Gilliam and CFO Alex Thurman sold a combined $8.6M of GKOS stock in open-mark
Aug 14, 2026
NEUTRALCLUSTER2/10
A cluster of insider selling at Glaukos Corp (GKOS) totaling $3.69M over 8 days, dominated by CFO Al
Aug 11, 2026
NEUTRAL8-K3/10
Glaukos filed an 8-K furnishing an August 2026 investor presentation. The presentation reiterates pr
Aug 3, 2026
NEUTRALCLUSTER2/10
Two Glaukos insiders (CFO and Chief Development Officer) sold a combined $1.6M in shares over a 7-da
Jul 9, 2026
Upcoming & catalyst events
Scheduled dates plus disclosed catalysts — earnings, dividends, enforcement, FDA and clinical-trial events. Colored dot = impact.
Jul 31, 2026
short_interest_report
Short Interest: GKOS down 23% to 3.6M shares
Settlement 2026-07-31 | Days to cover: 3.64 | ≈6.15% of shares outstanding (est.)
Jul 29, 2026
earnings_calendar
GKOS Q2 2026 Earnings Scheduled — 2026-07-29
Jul 20, 2026
ftd
FTD: GKOS — 5,617 shares ($0.9M) failed to deliver
Settlement: 20260720, Price: $156.83, FTD Value: $880,914.11, GLAUKOS CORP COM STK (DE)
Jun 15, 2026
short_interest_report
Short Interest: GKOS up 34% to 4.2M shares
Settlement 2026-06-15 | Days to cover: 3.49 | ≈7.11% of shares outstanding (est.)
Jun 10, 2026
short_volume
Short Volume: GKOS — 60.8% short (0.4M / 0.6M)
Short: 369,704 | Exempt: 16 | TRF Vol: 607,968 | Short Ratio: 60.8% | Off-exchange volume (dark pool + OTC)
Earnings estimates
Forecast earnings per share and revenue by period — and whether estimates are rising.
| Period | EPS Est. | Range | Growth | 30d Rev | Up/Dn | Revenue | # |
|---|---|---|---|---|---|---|---|
| Current Q | $-0.09 | $-0.18–$-0.02 | 44.3% | +0.0% | 11↑ 1↓ | $0.2B | 13 |
| Next Q | $0.11 | $-0.16–$0.25 | 138.9% | +0.0% | 10↑ 1↓ | $0.2B | 13 |
| Current FY | $-0.29 | $-0.66–$-0.09 | 67.7% | +0.0% | 12↑ 0↓ | $0.7B | 13 |
| Next FY | $0.50 | $0.04–$1.04 | 273.7% | +0.1% | 10↑ 2↓ | $0.9B | 12 |
Current-quarter EPS estimate — revision history
| When | EPS estimate | Change vs now |
|---|---|---|
| Current | $-0.089 | — |
| 7d ago | $-0.089 | — |
| 30d ago | $-0.089 | — |
| 60d ago | $-0.089 | -0.000 |
| 90d ago | $-0.133 | +0.044 |
Institutional ownership
Which big funds own GKOS (from quarterly 13F filings) and who is adding or trimming.
50 institutional holders with $7.1B total value (51,384,609 shares) as of 2026-Q2. Top holders: BlackRock,, Jupiter, VANGUARD. Net buying activity: 34 institutions added/increased vs 16 reduced.
Top holders — 2026-Q2
| Fund | Shares | Value | % Tracked | Last move |
|---|---|---|---|---|
| BlackRock, Inc. | 9,540,056 | $1.3B | 18.7% | — |
| Jupiter Topco LLC | 4,862,894 | $679.6M | 9.5% | — |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,321,839 | $464.3M | 6.5% | — |
| PRIMECAP MANAGEMENT CO/CA/ | 3,040,705 | $425.0M | 6.0% | — |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,551,132 | $356.5M | 5.0% | — |
| STATE STREET CORP | 2,315,568 | $323.7M | 4.5% | — |
| MILLENNIUM MANAGEMENT LLC | 1,581,016 | $221.0M | 3.1% | ADD +34.7% |
| Holocene Advisors, LP | 1,514,931 | $211.7M | 3.0% | — |
| GEODE CAPITAL MANAGEMENT, LLC | 1,463,448 | $204.6M | 2.9% | — |
| CITADEL ADVISORS LLC | 1,390,017 | $194.3M | 2.7% | — |
Recent position changes
| Fund | Action | Prev | Current | Change | Value |
|---|---|---|---|---|---|
| MILLENNIUM MANAGEMENT LLC | ADD | 1,173,696 | 1,581,016 | +34.7% | $221.0M |
| GOLDMAN SACHS GROUP INC | TRIM | 1,374,958 | 897,021 | -34.8% | $125.4M |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | TRIM | 1,073,819 | 661,675 | -38.4% | $92.5M |
| DRIEHAUS CAPITAL MANAGEMENT LLC | ADD | 487,912 | 650,571 | +33.3% | $90.9M |
| UBS Group AG | ADD | 386,400 | 578,271 | +49.7% | $80.8M |
| FULLER & THALER ASSET MANAGEMENT, INC. | NEW | — | 529,922 | — | $74.1M |
| NORGES BANK | NEW | — | 498,502 | — | $69.7M |
| BALYASNY ASSET MANAGEMENT L.P. | NEW | — | 491,636 | — | $68.7M |
| Clearbridge Investments, LLC | ADD | 286,051 | 431,066 | +50.7% | $60.2M |
| WELLINGTON MANAGEMENT GROUP LLP | DOUBLED | 149,150 | 428,215 | +187.1% | $59.8M |
Insider activity
Buying and selling by company executives and directors (SEC Form 4).
11 insiders, 50 transactions. Net -$22.9M — $0.00 bought, $22.9M sold.
| Date | Insider | Title | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 167 | $151.70 | $25.3K |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 136 | $152.71 | $20.8K |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 229 | $154.24 | $35.3K |
| Sep 25, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 1,083 | $154.88 | $167.7K |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 103 | $163.20 | $16.8K |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 120 | $168.38 | $20.2K |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 4 | $172.00 | $688.00 |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 345 | $164.60 | $56.8K |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 191 | $166.20 | $31.7K |
| Sep 16, 2026 | Navratil Tomas | CHIEF DEVELOPMENT OFFICER | SELL | 234 | $170.95 | $40.0K |
Short interest & halts
FINRA semi-monthly short positions, Reg SHO threshold status, and recent trading halts for GKOS.
Shares short
4,166,410
Settlement Sep 15, 2026
Change vs prior
+9.0%
Semi-monthly cycle
Days to cover
5.7
At avg daily volume
Of shares outstanding
≈7.1%
Estimate — not % of float
All GKOS filing & press-release reports (8)
- CLUSTER reportAug 14, 2026
- CLUSTER reportAug 11, 2026
- 8-K reportAug 3, 2026
- CLUSTER reportJul 9, 2026
- CLUSTER reportMay 4, 2026
- 8-K reportMay 4, 2026
- CLUSTER reportMar 26, 2026
- CLUSTER reportMar 19, 2026