Castleark Management LLC
- SEC CIK
- 0001106832
- Latest filing
- Aug 14, 2026
GKOS holding history
GLAUKOS Corp in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
GKOS overviewAll 13F holders of GKOSFull Q2 2026 holdings
- Shares (Q2 2025)
- 0
- Sold out in Q2 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 11
- Since Q2 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2025 | 0 | $0 | 0.0% | −21,320−100.0% | Sold out | Holders |
| Q1 2025 | 21,320 | $2.10M | 0.1% | −30,020−58.5% | Reduced | Holders |
| Q4 2024 | 51,340 | $7.70M | 0.3% | −22,490−30.5% | Reduced | Holders |
| Q3 2024 | 73,830 | $9.62M | 0.4% | −640−0.9% | Reduced | Holders |
| Q2 2024 | 74,470 | $8.81M | 0.4% | +9,560+14.7% | Added | Holders |
| Q1 2024 | 64,910 | $6.12M | 0.3% | −2,650−3.9% | Reduced | Holders |
| Q4 2023 | 67,560 | $5.37M | 0.2% | −4,760−6.6% | Reduced | Holders |
| Q3 2023 | 72,320 | $5.44M | 0.3% | +72,320 | New | Holders |
| Q4 2022 | 0 | $0 | 0.0% | −54,150−100.0% | Sold out | Holders |
| Q3 2022 | 54,150 | $2.88M | 0.2% | −1,250−2.3% | Reduced | Holders |
| Q2 2022 | 55,400 | $2.52M | 0.1% | −9,440−14.6% | Reduced | Holders |
| Q1 2022 | 64,840 | $3.75M | 0.2% | +64,840 | New | Holders |
| Q3 2021 | 0 | $0 | 0.0% | −36,900−100.0% | Sold out | Holders |
| Q2 2021 | 36,900 | $3.13M | 0.1% | +36,900 | New | Holders |