Renaissance Technologies's WDC Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 1.15 M shares of Western Digital Corporation (WDC) worth $137.92 M, representing 0.18% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Renaissance Technologies 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'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
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +278,601 | Add 0.00% | 278,600 | $62.09 |
| Q3 2013 | +139,300 | Add 50.00% | 417,900 | $63.40 |
| Q4 2013 | +15,202 | Add 3.64% | 433,102 | $83.90 |
| Q1 2014 | -170,202 | Reduce 39.30% | 262,900 | $91.82 |
| Q2 2014 | -35,600 | Reduce 13.54% | 227,300 | $92.30 |
| Q3 2014 | +400,300 | Add 176.11% | 627,600 | $97.32 |
| Q4 2014 | -92,400 | Reduce 14.72% | 535,200 | $110.70 |
| Q1 2015 | -472,800 | Reduce 88.34% | 62,400 | $91.01 |
| Q2 2015 | +148,100 | Add 237.34% | 210,500 | $78.42 |
| Q3 2015 | -41,400 | Reduce 19.67% | 169,100 | $79.44 |
| Q4 2015 | -169,100 | Sold Out | 169,100 | $0.00 |
| Q2 2016 | +140,091 | New Buy | 140,091 | $47.26 |
| Q3 2016 | -135,072 | Reduce 96.42% | 5,019 | $58.38 |
| Q4 2016 | -5,019 | Sold Out | 5,019 | $0.00 |
| Q2 2017 | +139,149 | New Buy | 139,149 | $88.60 |
| Q3 2017 | +1.32 M | Add 945.46% | 1.45 M | $86.40 |
| Q4 2017 | +976,433 | Add 67.12% | 2.43 M | $79.53 |
| Q1 2018 | -50,000 | Reduce 2.06% | 2.38 M | $92.27 |
| Q2 2018 | -1.25 M | Reduce 52.34% | 1.13 M | $77.41 |
| Q3 2018 | -225,649 | Reduce 19.88% | 909,200 | $58.54 |
| Q4 2018 | +239,200 | Add 26.31% | 1.15 M | $36.97 |
| Q1 2019 | +1.73 M | Add 151.06% | 2.88 M | $48.06 |
| Q2 2019 | -12,300 | Reduce 0.43% | 2.87 M | $47.55 |
| Q3 2019 | -1.73 M | Reduce 60.16% | 1.14 M | $59.64 |
| Q4 2019 | -914,016 | Reduce 79.91% | 229,833 | $63.47 |
| Q1 2020 | +22,800 | Add 9.92% | 252,633 | $41.62 |
| Q2 2020 | +1.02 M | Add 403.47% | 1.27 M | $44.15 |
| Q3 2020 | -325,800 | Reduce 25.61% | 946,133 | $36.55 |
| Q4 2020 | -18,200 | Reduce 1.92% | 927,933 | $55.39 |
| Q1 2021 | -927,933 | Sold Out | 927,933 | $0.00 |
| Q4 2021 | +265,933 | New Buy | 265,933 | $65.21 |
| Q1 2022 | +1.19 M | Add 445.64% | 1.45 M | $49.65 |
| Q2 2022 | -1.45 M | Sold Out | 1.45 M | $0.00 |
| Q3 2022 | +114,082 | New Buy | 114,082 | $32.55 |
| Q4 2022 | -9,600 | Reduce 8.41% | 104,482 | $0.03 |
| Q1 2023 | +366,351 | Add 350.64% | 470,833 | $0.04 |
| Q2 2023 | -470,833 | Sold Out | 470,833 | $0.00 |
| Q4 2023 | +487,133 | New Buy | 487,133 | $52.37 |
| Q1 2024 | -147,000 | Reduce 30.18% | 340,133 | $68.24 |
| Q2 2024 | -340,133 | Sold Out | 340,133 | $0.00 |
| Q3 2024 | +1.22 M | New Buy | 1.22 M | $68.29 |
| Q4 2024 | -306,100 | Reduce 25.13% | 912,133 | $59.63 |
| Q1 2025 | -842,200 | Reduce 92.33% | 69,933 | $40.43 |
| Q2 2025 | +131,900 | Add 188.61% | 201,833 | $63.99 |
| Q3 2025 | +946,929 | Add 469.16% | 1.15 M | $120.06 |
Renaissance Technologies's Western Digital Corporation Investment FAQs
Renaissance Technologies 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 has held Western Digital Corporation (WDC) for 50 quarters since Q2 2013. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's largest addition to Western Digital Corporation (WDC) was in Q1 2019, adding 2,883,149 shares worth $138.56 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 1,148,762 shares of Western Digital Corporation (WDC), valued at approximately $137.92 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Western Digital Corporation (WDC) represents approximately 0.18% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Renaissance Technologies's peak holding in Western Digital Corporation (WDC) was 2,883,149 shares, as reported at the end of Q1 2019. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.