Renaissance Technologies (RenTech)'s WDC Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 992,533 shares of Western Digital Corporation (WDC) worth $170.98 M, representing 0.27% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 46 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in WDC, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2019, adding 1.73 M shares. Largest reduction occurred in Q3 2019, reducing 1.73 M shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Western Digital Corporation (WDC) Holding Value Over Time
Track share changes against reported price movement
Quarterly Western Digital Corporation (WDC) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -156,229 | Reduce 13.60% | 992,533 | $172.27 |
| Q3 2025 | +946,929 | Add 469.16% | 1.15 M | $120.06 |
| Q2 2025 | +131,900 | Add 188.61% | 201,833 | $63.99 |
| Q1 2025 | -842,200 | Reduce 92.33% | 69,933 | $40.43 |
| Q4 2024 | -306,100 | Reduce 25.13% | 912,133 | $59.63 |
| Q3 2024 | +1.22 M | New Buy | 1.22 M | $68.29 |
| Q2 2024 | -340,133 | Sold Out | 0 | $0.00 |
| Q1 2024 | -147,000 | Reduce 30.18% | 340,133 | $68.24 |
| Q4 2023 | +487,133 | New Buy | 487,133 | $52.37 |
| Q2 2023 | -470,833 | Sold Out | 0 | $0.00 |
| Q1 2023 | +366,351 | Add 350.64% | 470,833 | $0.04 |
| Q4 2022 | -9,600 | Reduce 8.41% | 104,482 | $0.03 |
| Q3 2022 | +114,082 | New Buy | 114,082 | $32.55 |
| Q2 2022 | -1.45 M | Sold Out | 0 | $0.00 |
| Q1 2022 | +1.19 M | Add 445.64% | 1.45 M | $49.65 |
| Q4 2021 | +265,933 | New Buy | 265,933 | $65.21 |
| Q1 2021 | -927,933 | Sold Out | 0 | $0.00 |
| Q4 2020 | -18,200 | Reduce 1.92% | 927,933 | $55.39 |
| Q3 2020 | -325,800 | Reduce 25.61% | 946,133 | $36.55 |
| Q2 2020 | +1.02 M | Add 403.47% | 1.27 M | $44.15 |
| Q1 2020 | +22,800 | Add 9.92% | 252,633 | $41.62 |
| Q4 2019 | -914,016 | Reduce 79.91% | 229,833 | $63.47 |
| Q3 2019 | -1.73 M | Reduce 60.16% | 1.14 M | $59.64 |
| Q2 2019 | -12,300 | Reduce 0.43% | 2.87 M | $47.55 |
| Q1 2019 | +1.73 M | Add 151.06% | 2.88 M | $48.06 |
| Q4 2018 | +239,200 | Add 26.31% | 1.15 M | $36.97 |
| Q3 2018 | -225,649 | Reduce 19.88% | 909,200 | $58.54 |
| Q2 2018 | -1.25 M | Reduce 52.34% | 1.13 M | $77.41 |
| Q1 2018 | -50,000 | Reduce 2.06% | 2.38 M | $92.27 |
| Q4 2017 | +976,433 | Add 67.12% | 2.43 M | $79.53 |
| Q3 2017 | +1.32 M | Add 945.46% | 1.45 M | $86.40 |
| Q2 2017 | +139,149 | New Buy | 139,149 | $88.60 |
| Q4 2016 | -5,019 | Sold Out | 0 | $0.00 |
| Q3 2016 | -135,072 | Reduce 96.42% | 5,019 | $58.38 |
| Q2 2016 | +140,091 | New Buy | 140,091 | $47.26 |
| Q4 2015 | -169,100 | Sold Out | 0 | $0.00 |
| Q3 2015 | -41,400 | Reduce 19.67% | 169,100 | $79.44 |
| Q2 2015 | +148,100 | Add 237.34% | 210,500 | $78.42 |
| Q1 2015 | -472,800 | Reduce 88.34% | 62,400 | $91.01 |
| Q4 2014 | -92,400 | Reduce 14.72% | 535,200 | $110.70 |
| Q3 2014 | +400,300 | Add 176.11% | 627,600 | $97.32 |
| Q2 2014 | -35,600 | Reduce 13.54% | 227,300 | $92.30 |
| Q1 2014 | -170,202 | Reduce 39.30% | 262,900 | $91.82 |
| Q4 2013 | +15,202 | Add 3.64% | 433,102 | $83.90 |
| Q3 2013 | +139,300 | Add 50.00% | 417,900 | $63.40 |
| Q2 2013 | +278,600 | Add 0.00% | 278,600 | $62.09 |
Renaissance Technologies (RenTech)'s Western Digital Corporation Investment FAQs
Renaissance Technologies (RenTech) first purchased Western Digital Corporation (WDC) in Q2 2013, acquiring 278,600 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 Western Digital Corporation (WDC) for 46 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Western Digital Corporation (WDC) was in Q1 2019, adding 2,883,149 shares worth $138.56 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 992,533 shares of Western Digital Corporation (WDC), valued at approximately $170.98 M.
As of the Q4 2025 filing, Western Digital Corporation (WDC) represents approximately 0.27% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Western Digital Corporation (WDC) was 2,883,149 shares, as reported at the end of Q1 2019.