Renaissance Technologies (RenTech)'s MUB Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 128,850 shares of iShares National Muni Bond ETF (MUB) worth $13.8 M, representing 0.02% of the portfolio. First purchased in 2017-Q4, this long-term strategic position has been held for 32 quarters.
Based on 13F filings, Renaissance Technologies (RenTech) has maintained a strategic position in MUB, demonstrating sustained confidence in this investment. Largest addition occurred in Q4 2023, adding 670,600 shares. Largest reduction occurred in Q1 2024, reducing 476,700 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s iShares National Muni Bond ETF (MUB) Holding Value Over Time
Track share changes against reported price movement
Quarterly iShares National Muni Bond ETF (MUB) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -156,250 | Reduce 54.81% | 128,850 | $107.11 |
| Q3 2025 | -285,200 | Reduce 50.01% | 285,100 | $106.49 |
| Q2 2025 | +306,100 | Add 115.86% | 570,300 | $104.48 |
| Q1 2025 | +167,170 | Add 172.29% | 264,200 | $105.44 |
| Q4 2024 | -205,570 | Reduce 67.93% | 97,030 | $106.55 |
| Q3 2024 | +32,200 | Add 11.91% | 302,600 | $108.63 |
| Q2 2024 | +68,300 | Add 33.80% | 270,400 | $106.55 |
| Q1 2024 | -476,700 | Reduce 70.23% | 202,100 | $107.60 |
| Q4 2023 | +670,600 | Add 8178.05% | 678,800 | $108.41 |
| Q3 2023 | -78,700 | Reduce 90.56% | 8,200 | $102.56 |
| Q2 2023 | +4,047 | Add 4.88% | 86,900 | $0.11 |
| Q1 2023 | +55,153 | Add 199.11% | 82,853 | $0.11 |
| Q4 2022 | +27,700 | New Buy | 27,700 | $0.11 |
| Q3 2022 | -183,400 | Sold Out | 0 | $0.00 |
| Q2 2022 | +178,100 | Add 3360.38% | 183,400 | $106.36 |
| Q1 2022 | +5,300 | New Buy | 5,300 | $109.62 |
| Q3 2021 | -18,799 | Sold Out | 0 | $0.00 |
| Q2 2021 | +15,199 | Add 422.19% | 18,799 | $117.19 |
| Q1 2021 | -163,500 | Reduce 97.85% | 3,600 | $116.11 |
| Q4 2020 | +167,100 | New Buy | 167,100 | $117.20 |
| Q3 2020 | -110,700 | Sold Out | 0 | $0.00 |
| Q2 2020 | +108,500 | Add 4931.82% | 110,700 | $115.40 |
| Q1 2020 | -116,900 | Reduce 98.15% | 2,200 | $113.18 |
| Q4 2019 | +80,919 | Add 211.94% | 119,100 | $113.91 |
| Q3 2019 | -46,900 | Reduce 55.12% | 38,181 | $114.09 |
| Q2 2019 | +27,218 | Add 47.04% | 85,081 | $113.09 |
| Q1 2019 | -66,418 | Reduce 53.44% | 57,863 | $111.19 |
| Q4 2018 | +50,700 | Add 68.90% | 124,281 | $109.04 |
| Q3 2018 | -8,346 | Reduce 10.19% | 73,581 | $107.94 |
| Q2 2018 | +5,046 | Add 6.56% | 81,927 | $109.04 |
| Q1 2018 | +35,300 | Add 84.89% | 76,881 | $108.93 |
| Q4 2017 | +41,581 | New Buy | 41,581 | $110.75 |
Renaissance Technologies (RenTech)'s iShares National Muni Bond ETF Investment FAQs
Renaissance Technologies (RenTech) first purchased iShares National Muni Bond ETF (MUB) in Q4 2017, acquiring 41,581 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 iShares National Muni Bond ETF (MUB) for 32 quarters since Q4 2017.
Renaissance Technologies (RenTech)'s largest addition to iShares National Muni Bond ETF (MUB) was in Q4 2023, adding 678,800 shares worth $73.59 M.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 128,850 shares of iShares National Muni Bond ETF (MUB), valued at approximately $13.8 M.
As of the Q4 2025 filing, iShares National Muni Bond ETF (MUB) represents approximately 0.02% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in iShares National Muni Bond ETF (MUB) was 678,800 shares, as reported at the end of Q4 2023.