Renaissance Technologies (RenTech)'s WAB Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 138,395 shares of Westinghouse Air Brake Technologies Corporation (WAB) worth $29.54 M, representing 0.05% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 36 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in WAB, demonstrating sustained confidence in this investment. Largest addition occurred in Q2 2016, adding 501,200 shares. Largest reduction occurred in Q1 2016, reducing 525,300 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Westinghouse Air Brake Technologies Corporation (WAB) Holding Value Over Time
Track share changes against reported price movement
Quarterly Westinghouse Air Brake Technologies Corporation (WAB) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -238,200 | Reduce 63.25% | 138,395 | $213.45 |
| Q3 2025 | +208,700 | Add 124.30% | 376,595 | $200.47 |
| Q2 2025 | +9,695 | Add 6.13% | 167,895 | $209.35 |
| Q1 2025 | -57,195 | Reduce 26.55% | 158,200 | $181.35 |
| Q4 2024 | -173,000 | Reduce 44.54% | 215,395 | $189.59 |
| Q3 2024 | +124,100 | Add 46.96% | 388,395 | $181.77 |
| Q2 2024 | +33,400 | Add 14.47% | 264,295 | $158.05 |
| Q1 2024 | +96,600 | Add 71.93% | 230,895 | $145.68 |
| Q4 2023 | -31,400 | Reduce 18.95% | 134,295 | $126.90 |
| Q3 2023 | +26,800 | Add 19.30% | 165,695 | $106.27 |
| Q2 2023 | +20,000 | Add 16.82% | 138,895 | $0.11 |
| Q1 2023 | +10,000 | Add 9.18% | 118,895 | $0.10 |
| Q4 2022 | +87,588 | Add 411.08% | 108,895 | $0.10 |
| Q3 2022 | -109,188 | Reduce 83.67% | 21,307 | $81.33 |
| Q2 2022 | -67,700 | Reduce 34.16% | 130,495 | $82.08 |
| Q1 2022 | +198,195 | New Buy | 198,195 | $96.17 |
| Q2 2021 | -154,495 | Sold Out | 0 | $0.00 |
| Q1 2021 | +154,495 | New Buy | 154,495 | $79.16 |
| Q1 2020 | -328,195 | Sold Out | 0 | $0.00 |
| Q4 2019 | +328,195 | New Buy | 328,195 | $77.80 |
| Q4 2018 | -78,400 | Sold Out | 0 | $0.00 |
| Q3 2018 | -144,100 | Reduce 64.76% | 78,400 | $104.89 |
| Q2 2018 | +222,500 | New Buy | 222,500 | $98.58 |
| Q4 2016 | -202,800 | Sold Out | 0 | $0.00 |
| Q3 2016 | -298,400 | Reduce 59.54% | 202,800 | $81.65 |
| Q2 2016 | +501,200 | New Buy | 501,200 | $70.23 |
| Q1 2016 | -525,300 | Sold Out | 0 | $0.00 |
| Q4 2015 | +436,200 | Add 489.56% | 525,300 | $71.12 |
| Q3 2015 | -96,500 | Reduce 51.99% | 89,100 | $88.05 |
| Q2 2015 | -19,300 | Reduce 9.42% | 185,600 | $94.24 |
| Q1 2015 | +89,100 | Add 76.94% | 204,900 | $95.01 |
| Q4 2014 | -177,400 | Reduce 60.50% | 115,800 | $86.89 |
| Q3 2014 | +221,600 | Add 309.50% | 293,200 | $81.04 |
| Q2 2014 | +71,600 | New Buy | 71,600 | $82.58 |
| Q3 2013 | -26,200 | Sold Out | 0 | $0.00 |
| Q2 2013 | +26,200 | Add 0.00% | 26,200 | $53.44 |
Renaissance Technologies (RenTech)'s Westinghouse Air Brake Technologies Corporation Investment FAQs
Renaissance Technologies (RenTech) first purchased Westinghouse Air Brake Technologies Corporation (WAB) in Q2 2013, acquiring 26,200 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 Westinghouse Air Brake Technologies Corporation (WAB) for 36 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Westinghouse Air Brake Technologies Corporation (WAB) was in Q2 2016, adding 501,200 shares worth $35.2 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 138,395 shares of Westinghouse Air Brake Technologies Corporation (WAB), valued at approximately $29.54 M.
As of the Q4 2025 filing, Westinghouse Air Brake Technologies Corporation (WAB) represents approximately 0.05% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Westinghouse Air Brake Technologies Corporation (WAB) was 525,300 shares, as reported at the end of Q4 2015.