Renaissance Technologies (RenTech)'s MSEX Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 147,013 shares of Middlesex Water Company (MSEX) worth $7.65 M, representing 0.01% of the portfolio. First purchased in 2014-Q1, this long-term strategic position has been held for 49 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in MSEX, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2015, adding 86,198 shares. Largest reduction occurred in Q1 2021, reducing 86,000 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Middlesex Water Company (MSEX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Middlesex Water Company (MSEX) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +17,800 | Add 13.78% | 147,013 | $52.05 |
| Q4 2025 | -85,800 | Reduce 39.90% | 129,213 | $50.42 |
| Q3 2025 | +12,100 | Add 5.96% | 215,013 | $54.12 |
| Q2 2025 | +22,500 | Add 12.47% | 202,913 | $54.18 |
| Q1 2025 | +19,200 | Add 11.91% | 180,413 | $64.10 |
| Q4 2024 | -26,387 | Reduce 14.07% | 161,213 | $52.63 |
| Q3 2024 | -75,100 | Reduce 28.59% | 187,600 | $65.24 |
| Q2 2024 | -22,000 | Reduce 7.73% | 262,700 | $52.26 |
| Q1 2024 | +78,300 | Add 37.94% | 284,700 | $52.50 |
| Q4 2023 | +4,300 | Add 2.13% | 206,400 | $65.62 |
| Q3 2023 | +5,484 | Add 2.79% | 202,100 | $66.25 |
| Q2 2023 | -14,484 | Reduce 6.86% | 196,616 | $0.08 |
| Q1 2023 | -15,700 | Reduce 6.92% | 211,100 | $0.08 |
| Q4 2022 | +57,200 | Add 33.73% | 226,800 | $0.08 |
| Q3 2022 | -37,900 | Reduce 18.27% | 169,600 | $77.20 |
| Q2 2022 | -7,800 | Reduce 3.62% | 207,500 | $87.68 |
| Q1 2022 | -24,800 | Reduce 10.33% | 215,300 | $105.17 |
| Q4 2021 | -31,600 | Reduce 11.63% | 240,100 | $120.30 |
| Q3 2021 | -39,100 | Reduce 12.58% | 271,700 | $102.78 |
| Q2 2021 | -38,800 | Reduce 11.10% | 310,800 | $81.73 |
| Q1 2021 | -86,000 | Reduce 19.74% | 349,600 | $79.02 |
| Q4 2020 | -29,400 | Reduce 6.32% | 435,600 | $72.47 |
| Q3 2020 | -27,800 | Reduce 5.64% | 465,000 | $62.15 |
| Q2 2020 | -35,900 | Reduce 6.79% | 492,800 | $67.18 |
| Q1 2020 | -13,400 | Reduce 2.47% | 528,700 | $60.12 |
| Q4 2019 | -25,200 | Reduce 4.44% | 542,100 | $63.57 |
| Q3 2019 | -600 | Reduce 0.11% | 567,300 | $64.96 |
| Q2 2019 | -21,900 | Reduce 3.71% | 567,900 | $59.25 |
| Q1 2019 | -9,700 | Reduce 1.62% | 589,800 | $55.99 |
| Q4 2018 | -400 | Reduce 0.07% | 599,500 | $53.35 |
| Q3 2018 | +2,800 | Add 0.47% | 599,900 | $48.42 |
| Q2 2018 | -1,500 | Reduce 0.25% | 597,100 | $42.17 |
| Q1 2018 | +52,100 | Add 9.53% | 598,600 | $36.70 |
| Q4 2017 | +7,700 | Add 1.43% | 546,500 | $39.91 |
| Q3 2017 | +10,400 | Add 1.97% | 538,800 | $39.27 |
| Q2 2017 | +32,400 | Add 6.53% | 528,400 | $39.60 |
| Q1 2017 | +40,800 | Add 8.96% | 496,000 | $36.95 |
| Q4 2016 | +39,600 | Add 9.53% | 455,200 | $42.94 |
| Q3 2016 | +54,600 | Add 15.12% | 415,600 | $35.24 |
| Q2 2016 | +13,800 | Add 3.97% | 361,000 | $43.38 |
| Q1 2016 | +45,600 | Add 15.12% | 347,200 | $30.85 |
| Q4 2015 | -8,000 | Reduce 2.58% | 301,600 | $26.54 |
| Q3 2015 | +86,198 | Add 38.58% | 309,600 | $23.84 |
| Q2 2015 | +41,402 | Add 22.75% | 223,402 | $22.56 |
| Q1 2015 | +29,664 | Add 19.47% | 182,000 | $22.76 |
| Q4 2014 | +18,336 | Add 13.68% | 152,336 | $23.06 |
| Q3 2014 | +74,822 | Add 126.44% | 134,000 | $19.60 |
| Q2 2014 | +39,221 | Add 196.53% | 59,178 | $21.17 |
| Q1 2014 | +19,957 | New Buy | 19,957 | $21.80 |
Renaissance Technologies (RenTech)'s Middlesex Water Company Investment FAQs
Renaissance Technologies (RenTech) first purchased Middlesex Water Company (MSEX) in Q1 2014, acquiring 19,957 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 Middlesex Water Company (MSEX) for 49 quarters since Q1 2014.
Renaissance Technologies (RenTech)'s largest addition to Middlesex Water Company (MSEX) was in Q3 2015, adding 309,600 shares worth $7.38 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 147,013 shares of Middlesex Water Company (MSEX), valued at approximately $7.65 M.
As of the Q1 2026 filing, Middlesex Water Company (MSEX) represents approximately 0.01% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Middlesex Water Company (MSEX) was 599,900 shares, as reported at the end of Q3 2018.