Renaissance Technologies (RenTech)'s BELFA Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC (Rentech)) currently holds 42,053 shares of Bel Fuse Inc. (BELFA) worth $6.38 M, representing 0.01% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 51 quarters.
Based on 13F filings since 2013, Renaissance Technologies (RenTech) has maintained a long-term strategic position in BELFA, representing a significant commitment to this investment thesis. Largest addition occurred in Q3 2024, adding 7,600 shares. Largest reduction occurred in Q4 2021, reducing 4,100 shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies (RenTech)'s Bel Fuse (BELFA) Holding Value Over Time
Track share changes against reported price movement
Quarterly Bel Fuse (BELFA) Trades by Renaissance Technologies (RenTech)
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -700 | Reduce 1.64% | 42,053 | $151.80 |
| Q3 2025 | +300 | Add 0.71% | 42,753 | $116.35 |
| Q2 2025 | -300 | Reduce 0.70% | 42,453 | $89.85 |
| Q1 2025 | -500 | Reduce 1.16% | 42,753 | $72.06 |
| Q4 2024 | +1,300 | Add 3.10% | 43,253 | $90.08 |
| Q3 2024 | +7,600 | Add 22.12% | 41,953 | $99.43 |
| Q2 2024 | -1,147 | Reduce 3.23% | 34,353 | $80.91 |
| Q1 2024 | +2,200 | Add 6.61% | 35,500 | $70.82 |
| Q4 2023 | +1,100 | Add 3.42% | 33,300 | $64.62 |
| Q3 2023 | +4,600 | Add 16.67% | 32,200 | $46.99 |
| Q2 2023 | +1,400 | Add 5.34% | 27,600 | $0.06 |
| Q1 2023 | +1,600 | Add 6.50% | 26,200 | $0.04 |
| Q4 2022 | +2,300 | Add 10.31% | 24,600 | $0.03 |
| Q3 2022 | -2,100 | Reduce 8.61% | 22,300 | $27.94 |
| Q2 2022 | +600 | Add 2.52% | 24,400 | $21.52 |
| Q1 2022 | -200 | Reduce 0.83% | 23,800 | $21.01 |
| Q4 2021 | -4,100 | Reduce 14.59% | 24,000 | $15.00 |
| Q3 2021 | -400 | Reduce 1.40% | 28,100 | $14.48 |
| Q2 2021 | +2,500 | Add 9.62% | 28,500 | $14.18 |
| Q1 2021 | -1,100 | Reduce 4.06% | 26,000 | $18.62 |
| Q4 2020 | +1,300 | Add 5.04% | 27,100 | $13.28 |
| Q3 2020 | +700 | Add 2.79% | 25,800 | $11.71 |
| Q2 2020 | +500 | Add 2.03% | 25,100 | $10.04 |
| Q1 2020 | +600 | Add 2.50% | 24,600 | $7.56 |
| Q4 2019 | +1,800 | Add 8.11% | 24,000 | $16.21 |
| Q3 2019 | +800 | Add 3.74% | 22,200 | $13.78 |
| Q2 2019 | +200 | Add 0.94% | 21,400 | $15.23 |
| Q1 2019 | +300 | Add 1.44% | 21,200 | $21.42 |
| Q4 2018 | +300 | Add 1.46% | 20,900 | $13.73 |
| Q3 2018 | +100 | Add 0.49% | 20,600 | $21.55 |
| Q2 2018 | -600 | Reduce 2.84% | 20,500 | $20.88 |
| Q4 2017 | +900 | Add 4.46% | 21,100 | $21.80 |
| Q3 2017 | +200 | Add 1.00% | 20,200 | $27.18 |
| Q1 2017 | +400 | Add 2.04% | 20,000 | $22.65 |
| Q4 2016 | +1,900 | Add 10.73% | 19,600 | $25.31 |
| Q3 2016 | +400 | Add 2.31% | 17,700 | $20.17 |
| Q4 2015 | -200 | Reduce 1.14% | 17,300 | $14.68 |
| Q2 2015 | +400 | Add 2.34% | 17,500 | $19.43 |
| Q1 2015 | +500 | Add 3.01% | 17,100 | $18.30 |
| Q4 2014 | +500 | Add 3.11% | 16,600 | $23.98 |
| Q3 2014 | +400 | Add 2.55% | 16,100 | $24.29 |
| Q2 2014 | +600 | Add 3.97% | 15,700 | $24.59 |
| Q1 2014 | -200 | Reduce 1.31% | 15,100 | $19.34 |
| Q4 2013 | -300 | Reduce 1.92% | 15,300 | $19.41 |
| Q3 2013 | -200 | Reduce 1.27% | 15,600 | $17.31 |
| Q2 2013 | +15,800 | Add 0.00% | 15,800 | $13.99 |
Renaissance Technologies (RenTech)'s Bel Fuse Investment FAQs
Renaissance Technologies (RenTech) first purchased Bel Fuse Inc. (BELFA) in Q2 2013, acquiring 15,800 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 Bel Fuse Inc. (BELFA) for 51 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Bel Fuse Inc. (BELFA) was in Q2 2013, adding 15,800 shares worth $221,000.
According to the latest 13F filing for Q4 2025, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC (Rentech), owns 42,053 shares of Bel Fuse Inc. (BELFA), valued at approximately $6.38 M.
As of the Q4 2025 filing, Bel Fuse Inc. (BELFA) represents approximately 0.01% of Renaissance Technologies (RenTech)'s publicly disclosed stock portfolio, making it one of their key holdings.
Renaissance Technologies (RenTech)'s peak holding in Bel Fuse Inc. (BELFA) was 43,253 shares, as reported at the end of Q4 2024.