Renaissance Technologies (RenTech)'s GKOS Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 118,892 shares of Glaukos Corporation (GKOS) worth $12.8 M, representing 0.02% of the portfolio. First purchased in 2016-Q2, this long-term strategic position has been held for 36 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in GKOS, demonstrating sustained confidence in this investment. Largest addition occurred in Q3 2016, adding 580,800 shares. Largest reduction occurred in Q2 2017, reducing 565,500 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Glaukos Corporation (GKOS) Holding Value Over Time
Track share changes against reported price movement
Quarterly Glaukos Corporation (GKOS) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +118,892 | New Buy | 118,892 | $107.66 |
| Q4 2025 | -57,892 | Sold Out | 0 | $0.00 |
| Q3 2025 | +57,892 | New Buy | 57,892 | $81.55 |
| Q1 2025 | -49,600 | Sold Out | 0 | $0.00 |
| Q4 2024 | +11,608 | Add 30.55% | 49,600 | $149.94 |
| Q3 2024 | -83,900 | Reduce 68.83% | 37,992 | $130.28 |
| Q2 2024 | -36,100 | Reduce 22.85% | 121,892 | $118.35 |
| Q1 2024 | -7,700 | Reduce 4.65% | 157,992 | $94.29 |
| Q4 2023 | +122,200 | Add 280.97% | 165,692 | $79.49 |
| Q3 2023 | +3,700 | Add 9.30% | 43,492 | $75.26 |
| Q2 2023 | +12,600 | Add 46.34% | 39,792 | $0.07 |
| Q1 2023 | -9,573 | Reduce 26.04% | 27,192 | $0.05 |
| Q4 2022 | -66,435 | Reduce 64.38% | 36,765 | $0.04 |
| Q3 2022 | +28,700 | Add 38.52% | 103,200 | $53.24 |
| Q2 2022 | +23,408 | Add 45.82% | 74,500 | $45.42 |
| Q1 2022 | -111,400 | Reduce 68.56% | 51,092 | $57.82 |
| Q4 2021 | -224,500 | Reduce 58.01% | 162,492 | $44.44 |
| Q3 2021 | +186,900 | Add 93.41% | 386,992 | $48.17 |
| Q2 2021 | +184,200 | Add 1159.07% | 200,092 | $84.83 |
| Q1 2021 | +15,892 | New Buy | 15,892 | $83.94 |
| Q1 2020 | -190,292 | Sold Out | 0 | $0.00 |
| Q4 2019 | -73,808 | Reduce 27.95% | 190,292 | $54.47 |
| Q3 2019 | +89,700 | Add 51.43% | 264,100 | $62.51 |
| Q2 2019 | +86,405 | Add 98.19% | 174,400 | $75.40 |
| Q1 2019 | -54,000 | Reduce 38.03% | 87,995 | $78.37 |
| Q4 2018 | -429,405 | Reduce 75.15% | 141,995 | $56.17 |
| Q3 2018 | -29,800 | Reduce 4.96% | 571,400 | $64.90 |
| Q2 2018 | +95,300 | Add 18.84% | 601,200 | $40.64 |
| Q1 2018 | +26,800 | Add 5.59% | 505,900 | $30.83 |
| Q4 2017 | -24,500 | Reduce 4.86% | 479,100 | $25.65 |
| Q3 2017 | -137,100 | Reduce 21.40% | 503,600 | $33.00 |
| Q2 2017 | -565,500 | Reduce 46.88% | 640,700 | $41.47 |
| Q1 2017 | +357,200 | Add 42.07% | 1.21 M | $51.30 |
| Q4 2016 | +143,800 | Add 20.39% | 849,000 | $34.30 |
| Q3 2016 | +580,800 | Add 466.88% | 705,200 | $37.74 |
| Q2 2016 | +124,400 | New Buy | 124,400 | $29.16 |
Renaissance Technologies (RenTech)'s Glaukos Corporation Investment FAQs
Renaissance Technologies (RenTech) first purchased Glaukos Corporation (GKOS) in Q2 2016, acquiring 124,400 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies (RenTech) has held Glaukos Corporation (GKOS) for 36 quarters since Q2 2016.
Renaissance Technologies (RenTech)'s largest addition to Glaukos Corporation (GKOS) was in Q3 2016, adding 705,200 shares worth $26.61 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 118,892 shares of Glaukos Corporation (GKOS), valued at approximately $12.8 M.
As of the Q1 2026 filing, Glaukos Corporation (GKOS) represents approximately 0.02% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Glaukos Corporation (GKOS) was 1,206,200 shares, as reported at the end of Q1 2017.