Renaissance Technologies's IRIX Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 371,560 shares of IRIDEX Corporation (IRIX) worth $423,578, representing 0.00% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 quarters.
Based on 13F filings since 2013, Renaissance Technologies has maintained a long-term strategic position in IRIX, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2020, adding 146,178 shares. Largest reduction occurred in Q4 2021, reducing 94,097 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's IRIDEX Corporation (IRIX) Holding Value Over Time
Track share changes against reported price movement
Quarterly IRIDEX Corporation (IRIX) Trades by Renaissance Technologies
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -17,500 | Reduce 4.50% | 371,560 | $1.14 |
| Q3 2025 | +10,300 | Add 2.72% | 389,060 | $1.14 |
| Q2 2025 | -400 | Reduce 0.11% | 378,760 | $0.88 |
| Q1 2025 | -2,000 | Reduce 0.52% | 379,160 | $0.99 |
| Q4 2024 | -16,200 | Reduce 4.08% | 381,160 | $1.68 |
| Q3 2024 | -7,600 | Reduce 1.88% | 397,360 | $1.75 |
| Q2 2024 | -5,200 | Reduce 1.27% | 404,960 | $2.16 |
| Q1 2024 | -4,900 | Reduce 1.18% | 410,160 | $2.98 |
| Q4 2023 | +2,000 | Add 0.48% | 415,060 | $2.81 |
| Q3 2023 | -6,100 | Reduce 1.46% | 413,060 | $2.54 |
| Q2 2023 | -3,900 | Reduce 0.92% | 419,160 | $0.00 |
| Q1 2023 | -7,300 | Reduce 1.70% | 423,060 | $0.00 |
| Q4 2022 | -22,700 | Reduce 5.01% | 430,360 | $0.00 |
| Q3 2022 | -70,300 | Reduce 13.43% | 453,060 | $2.41 |
| Q2 2022 | -23,452 | Reduce 4.29% | 523,360 | $2.57 |
| Q1 2022 | -16,348 | Reduce 2.90% | 546,812 | $4.63 |
| Q4 2021 | -94,097 | Reduce 14.32% | 563,160 | $6.11 |
| Q3 2021 | -303 | Reduce 0.05% | 657,257 | $7.66 |
| Q2 2021 | +15,600 | Add 2.43% | 657,560 | $7.06 |
| Q1 2021 | -24,459 | Reduce 3.67% | 641,960 | $6.75 |
| Q4 2020 | +146,178 | Add 28.10% | 666,419 | $2.51 |
| Q3 2020 | +14,322 | Add 2.83% | 520,241 | $1.96 |
| Q2 2020 | +17,600 | Add 3.60% | 505,919 | $2.12 |
| Q1 2020 | +15,666 | Add 3.31% | 488,319 | $1.59 |
| Q4 2019 | +33,101 | Add 7.53% | 472,653 | $2.23 |
| Q3 2019 | +53,690 | Add 13.91% | 439,552 | $1.85 |
| Q2 2019 | +10,808 | Add 2.88% | 385,862 | $4.55 |
| Q1 2019 | +11,254 | Add 3.09% | 375,054 | $4.56 |
| Q4 2018 | +28,300 | Add 8.44% | 363,800 | $4.70 |
| Q3 2018 | +14,100 | Add 4.39% | 335,500 | $6.35 |
| Q2 2018 | +28,900 | Add 9.88% | 321,400 | $6.96 |
| Q1 2018 | +19,600 | Add 7.18% | 292,500 | $5.72 |
| Q4 2017 | +31,000 | Add 12.82% | 272,900 | $7.62 |
| Q3 2017 | -1,100 | Reduce 0.45% | 241,900 | $9.37 |
| Q2 2017 | +42,696 | Add 21.32% | 243,000 | $9.89 |
| Q1 2017 | +4,404 | Add 2.25% | 200,304 | $11.87 |
| Q4 2016 | -14,600 | Reduce 6.94% | 195,900 | $14.06 |
| Q3 2016 | -20,600 | Reduce 8.91% | 210,500 | $14.49 |
| Q2 2016 | -15,200 | Reduce 6.17% | 231,100 | $14.79 |
| Q1 2016 | -100 | Reduce 0.04% | 246,300 | $10.22 |
| Q4 2015 | -8,500 | Reduce 3.33% | 246,400 | $9.29 |
| Q3 2015 | +21,087 | Add 9.02% | 254,900 | $7.61 |
| Q2 2015 | +14,013 | Add 6.38% | 233,813 | $8.25 |
| Q1 2015 | +9,100 | Add 4.32% | 219,800 | $10.68 |
| Q4 2014 | +8,200 | Add 4.05% | 210,700 | $8.60 |
| Q3 2014 | +14,900 | Add 7.94% | 202,500 | $7.00 |
| Q2 2014 | +17,600 | Add 10.35% | 187,600 | $8.31 |
| Q1 2014 | +8,900 | Add 5.52% | 170,000 | $8.93 |
| Q4 2013 | +49,100 | Add 43.84% | 161,100 | $10.17 |
| Q3 2013 | +5,000 | Add 4.67% | 112,000 | $5.93 |
| Q2 2013 | +107,000 | Add 0.00% | 107,000 | $5.91 |
Renaissance Technologies's IRIDEX Corporation Investment FAQs
Renaissance Technologies first purchased IRIDEX Corporation (IRIX) in Q2 2013, acquiring 107,000 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 has held IRIDEX Corporation (IRIX) for 51 quarters since Q2 2013.
Renaissance Technologies's largest addition to IRIDEX Corporation (IRIX) was in Q4 2020, adding 666,419 shares worth $1.67 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 371,560 shares of IRIDEX Corporation (IRIX), valued at approximately $423,578.
As of the Q4 2025 filing, IRIDEX Corporation (IRIX) represents approximately 0.00% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies's peak holding in IRIDEX Corporation (IRIX) was 666,419 shares, as reported at the end of Q4 2020.