Renaissance Technologies (RenTech)'s ICLR Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 4,500 shares of ICON Public Limited Company (ICLR) worth $781,695, 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 (RenTech) has maintained a long-term strategic position in ICLR, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2017, adding 684,760 shares. Largest reduction occurred in Q3 2021, reducing 434,260 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s ICON Public Limited Company (ICLR) Holding Value Over Time
Track share changes against reported price movement
Quarterly ICON Public Limited Company (ICLR) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2026 | +4,500 | New Buy | 4,500 | $173.71 |
| Q3 2025 | -324,824 | Sold Out | 0 | $0.00 |
| Q2 2025 | +145,900 | Add 81.54% | 324,824 | $145.45 |
| Q1 2025 | +53,125 | Add 42.23% | 178,924 | $174.99 |
| Q4 2024 | -86,300 | Reduce 40.69% | 125,799 | $209.71 |
| Q3 2024 | -13,900 | Reduce 6.15% | 212,099 | $287.31 |
| Q2 2024 | -45,059 | Reduce 16.62% | 225,999 | $313.47 |
| Q1 2024 | -95,700 | Reduce 26.09% | 271,058 | $335.95 |
| Q4 2023 | -138,300 | Reduce 27.38% | 366,758 | $283.07 |
| Q3 2023 | -184,100 | Reduce 26.71% | 505,058 | $246.25 |
| Q2 2023 | -195,425 | Reduce 22.09% | 689,158 | $0.25 |
| Q1 2023 | -223,100 | Reduce 20.14% | 884,583 | $0.21 |
| Q4 2022 | +120,825 | Add 12.24% | 1.11 M | $0.19 |
| Q3 2022 | -163,100 | Reduce 14.18% | 986,858 | $183.78 |
| Q2 2022 | -127,000 | Reduce 9.95% | 1.15 M | $216.70 |
| Q1 2022 | -140,800 | Reduce 9.93% | 1.28 M | $243.22 |
| Q4 2021 | -136,800 | Reduce 8.80% | 1.42 M | $309.70 |
| Q3 2021 | -434,260 | Reduce 21.84% | 1.55 M | $262.02 |
| Q2 2021 | -80,900 | Reduce 3.91% | 1.99 M | $206.71 |
| Q1 2021 | -266,658 | Reduce 11.41% | 2.07 M | $196.37 |
| Q4 2020 | -167,743 | Reduce 6.70% | 2.34 M | $194.98 |
| Q3 2020 | -64,600 | Reduce 2.51% | 2.5 M | $191.09 |
| Q2 2020 | +67,400 | Add 2.69% | 2.57 M | $168.46 |
| Q1 2020 | +154,260 | Add 6.57% | 2.5 M | $136.00 |
| Q4 2019 | +36,099 | Add 1.56% | 2.35 M | $172.23 |
| Q3 2019 | +46,700 | Add 2.06% | 2.31 M | $147.34 |
| Q2 2019 | +43,100 | Add 1.94% | 2.26 M | $153.97 |
| Q1 2019 | +325,860 | Add 17.19% | 2.22 M | $136.58 |
| Q4 2018 | +9,700 | Add 0.51% | 1.9 M | $129.21 |
| Q3 2018 | -47,760 | Reduce 2.47% | 1.89 M | $153.75 |
| Q2 2018 | +10,600 | Add 0.55% | 1.93 M | $132.53 |
| Q1 2018 | +105,453 | Add 5.80% | 1.92 M | $118.14 |
| Q4 2017 | +495,247 | Add 37.46% | 1.82 M | $112.15 |
| Q3 2017 | +168,900 | Add 14.65% | 1.32 M | $113.88 |
| Q2 2017 | +197,300 | Add 20.64% | 1.15 M | $97.79 |
| Q1 2017 | +684,760 | Add 252.59% | 955,860 | $79.72 |
| Q4 2016 | +58,900 | Add 27.76% | 271,100 | $75.20 |
| Q3 2016 | +58,800 | Add 38.33% | 212,200 | $77.37 |
| Q2 2016 | +87,700 | Add 133.49% | 153,400 | $70.01 |
| Q1 2016 | -48,000 | Reduce 42.22% | 65,700 | $75.10 |
| Q4 2015 | -263,760 | Reduce 69.88% | 113,700 | $77.70 |
| Q3 2015 | -161,740 | Reduce 30.00% | 377,460 | $70.97 |
| Q2 2015 | +10,940 | Add 2.07% | 539,200 | $67.30 |
| Q1 2015 | +3,500 | Add 0.67% | 528,260 | $70.53 |
| Q4 2014 | -165,340 | Reduce 23.96% | 524,760 | $50.99 |
| Q3 2014 | +76,500 | Add 12.47% | 690,100 | $57.23 |
| Q2 2014 | -98,660 | Reduce 13.85% | 613,600 | $47.11 |
| Q1 2014 | -118,600 | Reduce 14.27% | 712,260 | $47.55 |
| Q4 2013 | +335,700 | Add 67.80% | 830,860 | $40.42 |
| Q3 2013 | +212,000 | Add 74.87% | 495,160 | $40.93 |
| Q2 2013 | +283,160 | Add 0.00% | 283,160 | $35.43 |
Renaissance Technologies (RenTech)'s ICON Public Limited Company Investment FAQs
Renaissance Technologies (RenTech) first purchased ICON Public Limited Company (ICLR) in Q2 2013, acquiring 283,160 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 ICON Public Limited Company (ICLR) for 51 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to ICON Public Limited Company (ICLR) was in Q1 2017, adding 955,860 shares worth $76.2 M.
According to the latest 13F filing for Q2 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 4,500 shares of ICON Public Limited Company (ICLR), valued at approximately $781,695.
As of the Q2 2026 filing, ICON Public Limited Company (ICLR) represents approximately 0.00% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in ICON Public Limited Company (ICLR) was 2,568,719 shares, as reported at the end of Q2 2020.