Renaissance Technologies (RenTech)'s ECL Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 313,397 shares of Ecolab Inc. (ECL) worth $83.37 M, representing 0.13% of the portfolio. First purchased in 2013-Q4, this long-term strategic position has been held for 40 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in ECL, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2022, adding 734,000 shares. Largest reduction occurred in Q2 2022, reducing 682,383 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Ecolab (ECL) Holding Value Over Time
Track share changes against reported price movement
Quarterly Ecolab (ECL) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +313,397 | New Buy | 313,397 | $266.02 |
| Q4 2025 | -104,142 | Sold Out | 0 | $0.00 |
| Q3 2025 | -272,155 | Reduce 72.32% | 104,142 | $273.86 |
| Q2 2025 | -461,900 | Reduce 55.11% | 376,297 | $269.44 |
| Q1 2025 | +526,700 | Add 169.09% | 838,197 | $253.52 |
| Q4 2024 | +156,200 | Add 100.58% | 311,497 | $234.32 |
| Q3 2024 | -155,900 | Reduce 50.10% | 155,297 | $255.33 |
| Q2 2024 | -243,659 | Reduce 43.91% | 311,197 | $238.00 |
| Q1 2024 | +305,059 | Add 122.12% | 554,856 | $230.90 |
| Q4 2023 | -100,300 | Reduce 28.65% | 249,797 | $198.35 |
| Q3 2023 | +112,700 | Add 47.47% | 350,097 | $169.40 |
| Q2 2023 | -169,300 | Reduce 41.63% | 237,397 | $0.19 |
| Q1 2023 | +255,500 | Add 168.98% | 406,697 | $0.17 |
| Q4 2022 | +151,197 | New Buy | 151,197 | $0.15 |
| Q3 2022 | -222,614 | Sold Out | 0 | $0.00 |
| Q2 2022 | -682,383 | Reduce 75.40% | 222,614 | $153.76 |
| Q1 2022 | +734,000 | Add 429.25% | 904,997 | $176.56 |
| Q4 2021 | +170,997 | New Buy | 170,997 | $234.59 |
| Q3 2021 | -195,497 | Sold Out | 0 | $0.00 |
| Q2 2021 | +195,497 | New Buy | 195,497 | $205.97 |
| Q2 2020 | -122,222 | Sold Out | 0 | $0.00 |
| Q1 2020 | -154,700 | Reduce 55.86% | 122,222 | $155.83 |
| Q4 2019 | +276,922 | New Buy | 276,922 | $192.99 |
| Q2 2018 | -72,522 | Sold Out | 0 | $0.00 |
| Q1 2018 | +1,800 | Add 2.55% | 72,522 | $137.08 |
| Q4 2017 | +70,722 | New Buy | 70,722 | $134.17 |
| Q2 2017 | -473,822 | Sold Out | 0 | $0.00 |
| Q1 2017 | +473,822 | New Buy | 473,822 | $125.34 |
| Q4 2016 | -139,622 | Sold Out | 0 | $0.00 |
| Q3 2016 | +139,622 | New Buy | 139,622 | $121.72 |
| Q1 2016 | -119,222 | Sold Out | 0 | $0.00 |
| Q4 2015 | +119,222 | New Buy | 119,222 | $114.38 |
| Q3 2015 | -250,722 | Sold Out | 0 | $0.00 |
| Q2 2015 | -387,600 | Reduce 60.72% | 250,722 | $113.07 |
| Q1 2015 | +227,300 | Add 55.30% | 638,322 | $114.38 |
| Q4 2014 | +222,500 | Add 118.02% | 411,022 | $104.52 |
| Q3 2014 | -336,700 | Reduce 64.11% | 188,522 | $114.83 |
| Q2 2014 | +19,804 | Add 3.92% | 525,222 | $111.34 |
| Q1 2014 | +240,496 | Add 90.78% | 505,418 | $107.99 |
| Q4 2013 | +264,922 | New Buy | 264,922 | $104.27 |
Renaissance Technologies (RenTech)'s Ecolab Investment FAQs
Renaissance Technologies (RenTech) first purchased Ecolab Inc. (ECL) in Q4 2013, acquiring 264,922 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 Ecolab Inc. (ECL) for 40 quarters since Q4 2013.
Renaissance Technologies (RenTech)'s largest addition to Ecolab Inc. (ECL) was in Q1 2022, adding 904,997 shares worth $159.79 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 313,397 shares of Ecolab Inc. (ECL), valued at approximately $83.37 M.
As of the Q1 2026 filing, Ecolab Inc. (ECL) represents approximately 0.13% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Ecolab Inc. (ECL) was 904,997 shares, as reported at the end of Q1 2022.