Renaissance Technologies's IWB Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 38,920 shares of iShares Russell 1000 ETF (IWB) worth $14.53 M, representing 0.02% of the portfolio. First purchased in 2018-Q4, this long-term strategic position has been held for 21 quarters.
Based on 13F filings, Renaissance Technologies has maintained a strategic position in IWB, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2024, adding 40,500 shares. Largest reduction occurred in Q1 2025, reducing 40,500 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's iShares Russell 1000 ETF (IWB) Holding Value Over Time
Track share changes against reported price movement
Quarterly iShares Russell 1000 ETF (IWB) Trades by Renaissance Technologies
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +22,220 | Add 133.05% | 38,920 | $373.44 |
| Q3 2025 | +6,000 | Add 56.07% | 16,700 | $365.48 |
| Q2 2025 | +10,700 | New Buy | 10,700 | $339.57 |
| Q1 2025 | -40,500 | Sold Out | 0 | $0.00 |
| Q4 2024 | +40,500 | New Buy | 40,500 | $322.16 |
| Q3 2024 | -20,900 | Sold Out | 0 | $0.00 |
| Q2 2024 | +20,900 | New Buy | 20,900 | $297.54 |
| Q1 2024 | -17,600 | Sold Out | 0 | $0.00 |
| Q4 2023 | +10,800 | Add 158.82% | 17,600 | $262.27 |
| Q3 2023 | +3,400 | Add 100.00% | 6,800 | $234.85 |
| Q2 2023 | +3,400 | New Buy | 3,400 | $0.24 |
| Q4 2021 | -7,500 | Sold Out | 0 | $0.00 |
| Q3 2021 | +7,500 | New Buy | 7,500 | $241.73 |
| Q1 2021 | -1,800 | Sold Out | 0 | $0.00 |
| Q4 2020 | -900 | Reduce 33.33% | 1,800 | $211.67 |
| Q3 2020 | -6,900 | Reduce 71.88% | 2,700 | $187.04 |
| Q2 2020 | -1,100 | Reduce 10.28% | 9,600 | $171.67 |
| Q1 2020 | +8,400 | Add 365.22% | 10,700 | $141.50 |
| Q4 2019 | +2,300 | New Buy | 2,300 | $178.26 |
| Q1 2019 | -9,300 | Sold Out | 0 | $0.00 |
| Q4 2018 | +9,300 | New Buy | 9,300 | $138.71 |
Renaissance Technologies's iShares Russell 1000 ETF Investment FAQs
Renaissance Technologies first purchased iShares Russell 1000 ETF (IWB) in Q4 2018, acquiring 9,300 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 iShares Russell 1000 ETF (IWB) for 21 quarters since Q4 2018.
Renaissance Technologies's largest addition to iShares Russell 1000 ETF (IWB) was in Q4 2024, adding 40,500 shares worth $13.05 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies's firm, Renaissance Technologies LLC, owns 38,920 shares of iShares Russell 1000 ETF (IWB), valued at approximately $14.53 M.
As of the Q4 2025 filing, iShares Russell 1000 ETF (IWB) represents approximately 0.02% of Renaissance Technologies's publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies's peak holding in iShares Russell 1000 ETF (IWB) was 40,500 shares, as reported at the end of Q4 2024.