Renaissance Technologies's IEX Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 170.4K shares of IDEX Corporation (IEX) worth $27.74 M, representing 0.04% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Renaissance Technologies has maintained a long-term strategic position in IEX, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2014, adding 181.3K shares. Largest reduction occurred in Q4 2023, reducing 215.6K shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's IDEX Corporation (IEX) Holding Value Over Time
Track share changes against reported price movement
Quarterly IDEX Corporation (IEX) Trades by Renaissance Technologies
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +71,026 | Add 0.00% | 71,025 | $53.81 |
| Q3 2013 | -54,800 | Reduce 77.16% | 16,225 | $65.27 |
| Q4 2013 | +1,275 | Add 7.86% | 17,500 | $73.83 |
| Q1 2014 | +28,359 | Add 162.05% | 45,859 | $72.90 |
| Q2 2014 | +181,266 | Add 395.27% | 227,125 | $80.74 |
| Q3 2014 | -138,400 | Reduce 60.94% | 88,725 | $72.37 |
| Q4 2014 | -88,725 | Sold Out | 88,725 | $0.00 |
| Q1 2015 | +49,025 | New Buy | 49,025 | $75.84 |
| Q2 2015 | -49,025 | Sold Out | 49,025 | $0.00 |
| Q1 2016 | +55,625 | New Buy | 55,625 | $82.88 |
| Q2 2016 | +31,600 | Add 56.81% | 87,225 | $82.10 |
| Q3 2016 | -38,000 | Reduce 43.57% | 49,225 | $93.57 |
| Q4 2016 | +40,900 | Add 83.09% | 90,125 | $90.06 |
| Q1 2017 | +82,300 | Add 91.32% | 172,425 | $93.51 |
| Q2 2017 | -55,100 | Reduce 31.96% | 117,325 | $113.01 |
| Q3 2017 | -40,300 | Reduce 34.35% | 77,025 | $121.47 |
| Q4 2017 | -74,225 | Reduce 96.36% | 2,800 | $132.14 |
| Q1 2018 | +49,925 | Add 1783.04% | 52,725 | $142.51 |
| Q2 2018 | -3,700 | Reduce 7.02% | 49,025 | $136.48 |
| Q3 2018 | +26,500 | Add 54.05% | 75,525 | $150.67 |
| Q4 2018 | -75,525 | Sold Out | 75,525 | $0.00 |
| Q2 2019 | +92,225 | New Buy | 92,225 | $172.14 |
| Q3 2019 | -1,130 | Reduce 1.23% | 91,095 | $163.88 |
| Q4 2019 | +60,130 | Add 66.01% | 151,225 | $172.00 |
| Q1 2020 | +92,300 | Add 61.03% | 243,525 | $138.11 |
| Q2 2020 | -108,600 | Reduce 44.60% | 134,925 | $158.04 |
| Q3 2020 | -30,900 | Reduce 22.90% | 104,025 | $182.41 |
| Q4 2020 | -93,500 | Reduce 89.88% | 10,525 | $199.24 |
| Q1 2021 | -10,525 | Sold Out | 10,525 | $0.00 |
| Q2 2021 | +89,025 | New Buy | 89,025 | $220.05 |
| Q3 2021 | +6,900 | Add 7.75% | 95,925 | $206.95 |
| Q4 2021 | +48,900 | Add 50.98% | 144,825 | $236.32 |
| Q1 2022 | +49,400 | Add 34.11% | 194,225 | $191.73 |
| Q2 2022 | +51,300 | Add 26.41% | 245,525 | $181.63 |
| Q3 2022 | -150,725 | Reduce 61.39% | 94,800 | $199.85 |
| Q4 2022 | +84,638 | Add 89.28% | 179,438 | $0.23 |
| Q1 2023 | +79,487 | Add 44.30% | 258,925 | $0.23 |
| Q2 2023 | +64,900 | Add 25.07% | 323,825 | $0.22 |
| Q3 2023 | -74,300 | Reduce 22.94% | 249,525 | $208.02 |
| Q4 2023 | -215,600 | Reduce 86.40% | 33,925 | $217.10 |
| Q1 2024 | -33,925 | Sold Out | 33,925 | $0.00 |
| Q2 2024 | +56,025 | New Buy | 56,025 | $201.20 |
| Q3 2024 | -10,300 | Reduce 18.38% | 45,725 | $214.50 |
| Q4 2024 | -45,725 | Sold Out | 45,725 | $0.00 |
| Q2 2025 | +8,525 | New Buy | 8,525 | $175.57 |
| Q3 2025 | +161,900 | Add 1899.12% | 170,425 | $162.76 |
Renaissance Technologies's IDEX Corporation Investment FAQs
Renaissance Technologies first purchased IDEX Corporation (IEX) in Q2 2013, acquiring 71,025 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 IDEX Corporation (IEX) for 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's largest addition to IDEX Corporation (IEX) was in Q2 2014, adding 227,125 shares worth $18.34 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 170,425 shares of IDEX Corporation (IEX), valued at approximately $27.74 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, IDEX Corporation (IEX) represents approximately 0.04% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's peak holding in IDEX Corporation (IEX) was 323,825 shares, as reported at the end of Q2 2023. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.