Renaissance Technologies (RenTech)'s BELFA Position Overview
Renaissance Technologies (RenTech) (via Renaissance Technologies LLC) currently holds 68,253 shares of Bel Fuse Inc. (BELFA) worth $12.3 M, representing 0.02% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 52 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 Q1 2026, adding 26,200 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 |
|---|---|---|---|---|
| Q1 2026 | +26,200 | Add 62.30% | 68,253 | $180.20 |
| 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 52 quarters since Q2 2013.
Renaissance Technologies (RenTech)'s largest addition to Bel Fuse Inc. (BELFA) was in Q1 2026, adding 68,253 shares worth $12.3 M.
According to the latest 13F filing for Q1 2026, Renaissance Technologies (RenTech)'s firm, Renaissance Technologies LLC, owns 68,253 shares of Bel Fuse Inc. (BELFA), valued at approximately $12.3 M.
As of the Q1 2026 filing, Bel Fuse Inc. (BELFA) 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 Bel Fuse Inc. (BELFA) was 68,253 shares, as reported at the end of Q1 2026.