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Glaukos (GKOS)
NYSE
$134.69+$3.50 (+2.66%)
Price as of Jun 23, 2026 4:10 PM EDT- $7.7BMarket Cap
- 35.53%1-Year Change
- Medical DevicesIndustry
Glaukos (GKOS)
$134.69+$3.50 (+2.66%)
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 |
iSHARES TRUST | 10.44% | 6.1M | -61,016 (-1.00%) | Mar 31, 2026 |
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 |
FORUM FUNDS | 3.49% | 2.0M | 0 (0.00%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions933.7M (61.38%)
- Mutual Funds572.4M (37.63%)
- Insiders15.0M (0.99%)
- Other0 (0.00%)
Insider Transactions
- 0.99% (15.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $11.4MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Navratil Tomas CHIEF DEVELOPMENT OFFICER | Sell | Jun 16, 2026 | $200,855.16 | 1,537 | $130.68 | 88,833 |