Renaissance Technologies's BELFB Position Overview
Renaissance Technologies (via Renaissance Technologies LLC) currently holds 252.9K shares of Bel Fuse Inc. (BELFB) worth $35.66 M, representing 0.05% 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 BELFB, representing a significant commitment to this investment thesis. Largest addition occurred in Q4 2016, adding 82.3K shares. Largest reduction occurred in Q1 2022, reducing 65.6K shares.
Analysis based on 13F filings available since 2013 Q2
Renaissance Technologies's Bel Fuse (BELFB) Holding Value Over Time
Track share changes against reported price movement
Quarterly Bel Fuse (BELFB) Trades by Renaissance Technologies
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +207,788 | Add 0.00% | 207,787 | $13.45 |
| Q3 2013 | -10,170 | Reduce 4.89% | 197,617 | $17.44 |
| Q4 2013 | +30,200 | Add 15.28% | 227,817 | $21.31 |
| Q1 2014 | +5,200 | Add 2.28% | 233,017 | $21.90 |
| Q2 2014 | -26,000 | Reduce 11.16% | 207,017 | $25.67 |
| Q3 2014 | -2,017 | Reduce 0.97% | 205,000 | $24.74 |
| Q4 2014 | -6,400 | Reduce 3.12% | 198,600 | $27.34 |
| Q1 2015 | -383 | Reduce 0.19% | 198,217 | $19.03 |
| Q2 2015 | -22,517 | Reduce 11.36% | 175,700 | $20.52 |
| Q3 2015 | +14,200 | Add 8.08% | 189,900 | $19.44 |
| Q4 2015 | +17,200 | Add 9.06% | 207,100 | $17.29 |
| Q1 2016 | +15,100 | Add 7.29% | 222,200 | $14.60 |
| Q2 2016 | +41,900 | Add 18.86% | 264,100 | $17.78 |
| Q3 2016 | +57,600 | Add 21.81% | 321,700 | $24.14 |
| Q4 2016 | +82,317 | Add 25.59% | 404,017 | $30.90 |
| Q1 2017 | +75,700 | Add 18.74% | 479,717 | $25.55 |
| Q2 2017 | -15,300 | Reduce 3.19% | 464,417 | $24.70 |
| Q3 2017 | +19,700 | Add 4.24% | 484,117 | $31.20 |
| Q4 2017 | -7,117 | Reduce 1.47% | 477,000 | $25.17 |
| Q1 2018 | +22,417 | Add 4.70% | 499,417 | $18.90 |
| Q2 2018 | -1,717 | Reduce 0.34% | 497,700 | $20.90 |
| Q3 2018 | +18,800 | Add 3.78% | 516,500 | $26.50 |
| Q4 2018 | +5,647 | Add 1.09% | 522,147 | $18.42 |
| Q1 2019 | +76 | Add 0.01% | 522,223 | $25.28 |
| Q2 2019 | -2,784 | Reduce 0.53% | 519,439 | $17.17 |
| Q3 2019 | -12,616 | Reduce 2.43% | 506,823 | $15.03 |
| Q4 2019 | +35,000 | Add 6.91% | 541,823 | $20.50 |
| Q1 2020 | -1,400 | Reduce 0.26% | 540,423 | $9.74 |
| Q2 2020 | -36,000 | Reduce 6.66% | 504,423 | $10.73 |
| Q3 2020 | -3,600 | Reduce 0.71% | 500,823 | $10.68 |
| Q4 2020 | +428 | Add 0.09% | 501,251 | $15.03 |
| Q1 2021 | -25,500 | Reduce 5.09% | 475,751 | $19.89 |
| Q2 2021 | +35,800 | Add 7.52% | 511,551 | $14.40 |
| Q3 2021 | -900 | Reduce 0.18% | 510,651 | $12.43 |
| Q4 2021 | +34,200 | Add 6.70% | 544,851 | $12.93 |
| Q1 2022 | -65,606 | Reduce 12.04% | 479,245 | $17.84 |
| Q2 2022 | -40,394 | Reduce 8.43% | 438,851 | $15.56 |
| Q3 2022 | +13,700 | Add 3.12% | 452,551 | $25.25 |
| Q4 2022 | -47,900 | Reduce 10.58% | 404,651 | $0.03 |
| Q1 2023 | -51,700 | Reduce 12.78% | 352,951 | $0.04 |
| Q2 2023 | -19,900 | Reduce 5.64% | 333,051 | $0.06 |
| Q3 2023 | +26,000 | Add 7.81% | 359,051 | $47.72 |
| Q4 2023 | -34,214 | Reduce 9.53% | 324,837 | $66.77 |
| Q1 2024 | -19,013 | Reduce 5.85% | 305,824 | $60.31 |
| Q2 2024 | +4,027 | Add 1.32% | 309,851 | $65.24 |
| Q3 2024 | -4,400 | Reduce 1.42% | 305,451 | $78.51 |
| Q4 2024 | -1,919 | Reduce 0.63% | 303,532 | $82.47 |
| Q1 2025 | +20,219 | Add 6.66% | 323,751 | $74.86 |
| Q2 2025 | -40,300 | Reduce 12.45% | 283,451 | $97.69 |
| Q3 2025 | -30,600 | Reduce 10.80% | 252,851 | $141.02 |
Renaissance Technologies's Bel Fuse Investment FAQs
Renaissance Technologies first purchased Bel Fuse Inc. (BELFB) in Q2 2013, acquiring 207,787 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 Bel Fuse Inc. (BELFB) 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 Bel Fuse Inc. (BELFB) was in Q2 2013, adding 207,787 shares worth $2.8 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 252,851 shares of Bel Fuse Inc. (BELFB), valued at approximately $35.66 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, Bel Fuse Inc. (BELFB) represents approximately 0.05% 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 Bel Fuse Inc. (BELFB) was 544,851 shares, as reported at the end of Q4 2021. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.