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Glaukos (GKOS)
NYSE
$152.68-$0.04 (-0.03%)
Price as of Jul 13, 2026 6:18 PM EDT- $9.0BMarket Cap
- 46.58%1-Year Change
- Medical DevicesIndustry
Glaukos (GKOS)
$152.68-$0.04 (-0.03%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 15.48% | 9.1M | -74,509 (-0.82%) | Mar 31, 2026 |
BLACKROCK FUNDING, INC. /DE | 14.98% | 8.8M | +319,714 (+3.63%) | Dec 31, 2024 |
BLACKROCK INC. | 13.69% | 8.0M | +140,775 (+1.75%) | Jun 30, 2024 |
VANGUARD GROUP INC | 10.25% | 6.0M | -26,028 (-0.43%) | Dec 31, 2025 |
JANUS HENDERSON GROUP PLC | 9.11% | 5.3M | +2.3M (+43.56%) | Mar 31, 2026 |
WELLINGTON MANAGEMENT CO LLP | 8.38% | 4.9M | +1.1M (+22.87%) | Dec 31, 2021 |
PRIMECAP MANAGEMENT CO/CA/ | 5.74% | 3.4M | -6,300 (-0.19%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
Virtus Investment Trust | 19.99% | 11.7M | 0 (0.00%) | Mar 31, 2026 |
Virtus Strategy Trust | 12.24% | 7.2M | 0 (0.00%) | Sep 30, 2025 |
LORD ABBETT INVESTMENT TRUST | 8.24% | 4.8M | 0 (0.00%) | Feb 28, 2026 |
VANGUARD INDEX FUNDS | 7.48% | 4.4M | +113,147 (+2.58%) | Mar 31, 2026 |
JANUS INVESTMENT FUND | 6.07% | 3.6M | +1.5M (+41.74%) | Mar 31, 2026 |
COLUMBIA FUNDS SERIES TRUST | 5.86% | 3.4M | 0 (0.00%) | Apr 30, 2026 |
iSHARES TRUST | 4.25% | 2.5M | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions933.8M (60.59%)
- Mutual Funds592.6M (38.45%)
- Insiders14.9M (0.97%)
- Other0 (0.00%)
Insider Transactions
- 0.97% (14.9M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $23.5MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sell | Jul 01, 2026 | $99,566.96 | 716 | $139.06 | 87,634 |
Burns Thomas William CHAIRMAN & CEO | In Kind | Jun 25, 2026 | $578,691.63 | 4,059 | $142.57 | 68,967 |
Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sell | Jun 16, 2026 | $200,855.16 | 1,537 | $130.68 | 88,833 |