Mairs and Power's LFUS Position Overview
Mairs and Power (via Mairs & Power INC) currently holds 778,951 shares of Littelfuse, Inc. (LFUS) worth $197.01 M, representing 1.90% of the portfolio. First purchased in 2018-Q1, this long-term strategic position has been held for 32 quarters.
Based on 13F filings, Mairs and Power has maintained a strategic position in LFUS, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2019, adding 108,805 shares. Largest reduction occurred in Q3 2025, reducing 52,526 shares.
Analysis based on 13F filings available since 2013 Q2
Mairs and Power's Littelfuse (LFUS) Holding Value Over Time
Track share changes against reported price movement
Quarterly Littelfuse (LFUS) Trades by Mairs and Power
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | -34,987 | Reduce 4.30% | 778,951 | $252.92 |
| Q3 2025 | -52,526 | Reduce 6.06% | 813,938 | $259.01 |
| Q2 2025 | -16,963 | Reduce 1.92% | 866,464 | $226.73 |
| Q1 2025 | +8,046 | Add 0.92% | 883,427 | $196.74 |
| Q4 2024 | +14,397 | Add 1.67% | 875,381 | $235.65 |
| Q3 2024 | +12,058 | Add 1.42% | 860,984 | $265.25 |
| Q2 2024 | -8,825 | Reduce 1.03% | 848,926 | $255.59 |
| Q1 2024 | -1,494 | Reduce 0.17% | 857,751 | $242.35 |
| Q4 2023 | -18,774 | Reduce 2.14% | 859,245 | $267.56 |
| Q3 2023 | -14,156 | Reduce 1.59% | 878,019 | $247.32 |
| Q2 2023 | -2,250 | Reduce 0.25% | 892,175 | $291.31 |
| Q1 2023 | +138 | Add 0.02% | 894,425 | $268.09 |
| Q4 2022 | +3,451 | Add 0.39% | 894,287 | $220.20 |
| Q3 2022 | +30,324 | Add 3.52% | 890,836 | $198.69 |
| Q2 2022 | +24,965 | Add 2.99% | 860,512 | $254.04 |
| Q1 2022 | +32,923 | Add 4.10% | 835,547 | $249.41 |
| Q4 2021 | +28,783 | Add 3.72% | 802,624 | $314.68 |
| Q3 2021 | +19,676 | Add 2.61% | 773,841 | $273.27 |
| Q2 2021 | +16,977 | Add 2.30% | 754,165 | $254.79 |
| Q1 2021 | +17,713 | Add 2.46% | 737,188 | $264.44 |
| Q4 2020 | +68,592 | Add 10.54% | 719,475 | $254.66 |
| Q3 2020 | +14,470 | Add 2.27% | 650,883 | $177.34 |
| Q2 2020 | +31,320 | Add 5.18% | 636,413 | $170.63 |
| Q1 2020 | +76,523 | Add 14.48% | 605,093 | $133.42 |
| Q4 2019 | +20,580 | Add 4.05% | 528,570 | $191.30 |
| Q3 2019 | +44,483 | Add 9.60% | 507,990 | $177.31 |
| Q2 2019 | +82,199 | Add 21.56% | 463,507 | $176.91 |
| Q1 2019 | +108,805 | Add 39.93% | 381,308 | $182.48 |
| Q4 2018 | +103,614 | Add 61.35% | 272,503 | $171.48 |
| Q3 2018 | +88,539 | Add 110.19% | 168,889 | $197.89 |
| Q2 2018 | +5,150 | Add 6.85% | 80,350 | $228.18 |
| Q1 2018 | +75,200 | New Buy | 75,200 | $208.18 |
Mairs and Power's Littelfuse Investment FAQs
Mairs and Power first purchased Littelfuse, Inc. (LFUS) in Q1 2018, acquiring 75,200 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Mairs and Power has held Littelfuse, Inc. (LFUS) for 32 quarters since Q1 2018.
Mairs and Power's largest addition to Littelfuse, Inc. (LFUS) was in Q1 2019, adding 381,308 shares worth $69.58 M.
According to the latest 13F filing for Q4 2025, Mairs and Power's firm, Mairs & Power INC, owns 778,951 shares of Littelfuse, Inc. (LFUS), valued at approximately $197.01 M.
As of the Q4 2025 filing, Littelfuse, Inc. (LFUS) represents approximately 1.90% of Mairs and Power's publicly disclosed stock portfolio, making it one of their key holdings.
Mairs and Power's peak holding in Littelfuse, Inc. (LFUS) was 894,425 shares, as reported at the end of Q1 2023.