Renaissance Technologies (RenTech)'s CSX Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 503,600 shares of CSX Corporation (CSX) worth $20.67 M, representing 0.03% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 34 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in CSX, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2021, adding 7.51 M shares. Largest reduction occurred in Q2 2020, reducing 8.08 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s CSX Corporation (CSX) Holding Value Over Time
Track share changes against reported price movement
Quarterly CSX Corporation (CSX) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q1 2026 | +503,600 | New Buy | 503,600 | $41.05 |
| Q3 2024 | -894,100 | Sold Out | 0 | $0.00 |
| Q2 2024 | +99,600 | Add 12.54% | 894,100 | $33.45 |
| Q1 2024 | +469,700 | Add 144.61% | 794,500 | $37.07 |
| Q4 2023 | +324,800 | New Buy | 324,800 | $34.67 |
| Q2 2023 | -4.72 M | Sold Out | 0 | $0.00 |
| Q1 2023 | +1 M | Add 26.92% | 4.72 M | $0.03 |
| Q4 2022 | -6.65 M | Reduce 64.17% | 3.72 M | $0.03 |
| Q3 2022 | -1.16 M | Reduce 10.07% | 10.37 M | $26.64 |
| Q2 2022 | +5.15 M | Add 80.76% | 11.53 M | $29.06 |
| Q1 2022 | -161,473 | Reduce 2.47% | 6.38 M | $37.45 |
| Q4 2021 | +1.03 M | Add 18.78% | 6.54 M | $37.60 |
| Q3 2021 | -3.06 M | Reduce 35.69% | 5.51 M | $29.74 |
| Q2 2021 | +7.51 M | Add 713.98% | 8.56 M | $32.08 |
| Q1 2021 | +1.05 M | New Buy | 1.05 M | $32.14 |
| Q4 2020 | -89,103 | Sold Out | 0 | $0.00 |
| Q3 2020 | -3.72 M | Reduce 97.66% | 89,103 | $25.89 |
| Q2 2020 | -8.08 M | Reduce 67.96% | 3.81 M | $23.25 |
| Q1 2020 | -2.25 M | Reduce 15.91% | 11.89 M | $19.10 |
| Q4 2019 | +6.31 M | Add 80.50% | 14.14 M | $24.12 |
| Q3 2019 | -1.28 M | Reduce 14.00% | 7.84 M | $23.09 |
| Q2 2019 | +6.69 M | Add 277.07% | 9.11 M | $25.79 |
| Q1 2019 | -616,800 | Reduce 20.34% | 2.42 M | $24.94 |
| Q4 2018 | +551,700 | Add 22.23% | 3.03 M | $20.71 |
| Q3 2018 | +2.14 M | Add 632.60% | 2.48 M | $24.68 |
| Q2 2018 | +338,700 | New Buy | 338,700 | $21.26 |
| Q2 2017 | -337,200 | Sold Out | 0 | $0.00 |
| Q1 2017 | +337,200 | New Buy | 337,200 | $15.52 |
| Q4 2015 | -3.41 M | Sold Out | 0 | $0.00 |
| Q3 2015 | +3.41 M | New Buy | 3.41 M | $8.97 |
| Q2 2015 | -2.59 M | Sold Out | 0 | $0.00 |
| Q1 2015 | +2.59 M | New Buy | 2.59 M | $11.04 |
| Q3 2013 | -2.19 M | Sold Out | 0 | $0.00 |
| Q2 2013 | +2.19 M | Add 0.00% | 2.19 M | $7.73 |
Renaissance Technologies (RenTech)'s CSX Corporation Investment FAQs
Renaissance Technologies (RenTech) first purchased CSX Corporation (CSX) in Q2 2013, acquiring 2,194,500 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 CSX Corporation (CSX) for 34 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to CSX Corporation (CSX) was in Q2 2021, adding 8,561,400 shares worth $274.65 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 503,600 shares of CSX Corporation (CSX), valued at approximately $20.67 M.
As of the Q1 2026 filing, CSX Corporation (CSX) represents approximately 0.03% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in CSX Corporation (CSX) was 14,142,675 shares, as reported at the end of Q4 2019.