# GLAUKOS CORP (GKOS)

> Institutional ownership reported to the SEC as of Q3 2026, from Form 13F filings. Source: https://holderbook.com/stocks/GKOS/

- Reporting holders: 11
- Reported value: $2.5M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Valeo Financial Advisors, LLC](https://holderbook.com/funds/1722641-valeo-financial-advisors-llc/) | $1.6M | 9,666 | 0.0% | 32 |
| [GAMMA Investing LLC](https://holderbook.com/funds/2010235-gamma-investing-llc/) | $750.2K | 4,569 | 0.0% | 12 |
| [Farther Finance Advisors, LLC](https://holderbook.com/funds/1992825-farther-finance-advisors-llc/) | $111.8K | 681 | 0.0% | 12 |
| [CoreCap Advisors, LLC](https://holderbook.com/funds/1902501-corecap-advisors-llc/) | $32.8K | 200 | 0.0% | 1 |
| [MassMutual Private Wealth & Trust, FSB](https://holderbook.com/funds/1103653-massmutual-private-wealth-trust-fsb/) | $14.3K | 87 | 0.0% | 15 |
| [Versant Capital Management, Inc](https://holderbook.com/funds/1735057-versant-capital-management-inc/) | $13.8K | 84 | 0.0% | 23 |
| [ARMSTRONG ADVISORY GROUP, INC](https://holderbook.com/funds/1932952-armstrong-advisory-group-inc/) | $4.3K | 26 | 0.0% | 1 |
| [Marquette Asset Management, LLC](https://holderbook.com/funds/1395067-marquette-asset-management-llc/) | $1.8K | 11 | 0.0% | 4 |
| [GILPIN WEALTH MANAGEMENT, LLC](https://holderbook.com/funds/2058144-gilpin-wealth-management-llc/) | $1.3K | 8 | 0.0% | 4 |
| [Noble Wealth Management PBC](https://holderbook.com/funds/2055065-noble-wealth-management-pbc/) | $985 | 6 | 0.0% | 2 |
| [Davis Capital Management](https://holderbook.com/funds/1811806-davis-capital-management/) | $493 | 3 | 0.0% | 2 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q3 2026 | 11 | $2.5M |
| Q2 2026 | 367 | $9.3B |
| Q1 2026 | 341 | $6.5B |
| Q4 2025 | 337 | $6.6B |
| Q3 2025 | 316 | $4.7B |
| Q2 2025 | 300 | $6.4B |
| Q1 2025 | 320 | $5.8B |
| Q4 2024 | 326 | $8.7B |
| Q3 2024 | 314 | $7.3B |
| Q2 2024 | 282 | $6.6B |
| Q1 2024 | 260 | $5.2B |
| Q4 2023 | 248 | $4.3B |