LITTELFUSE INC (LFUS) Stock Institutional Trading Activity


LITTELFUSE INC (LFUS) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Mairs & Power Growth Fund, Vulcan Value Partners, Ariel Appreciation Fund, and Giverny Capital. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2024Vulcan Value PartnersSell-15,601241,365$61,690
Q2 2024Renaissance Technologies LLCSell-45,40013,934$3,561,391
Q2 2024Giverny CapitalBuy73178,692$20,112,888
Q2 2024Mairs & Power Growth FundSell-8,825848,926$216,976,996
Q1 2024Ariel Appreciation FundBuy6,030347,223$84,149,494
Q1 2024Renaissance Technologies LLCBuy56,83459,334$14,380
Q1 2024Vulcan Value PartnersSell-6,924256,966$62,276
Q1 2024Giverny CapitalBuy1,50377,961$18,893,848
Q1 2024Mairs & Power Growth FundSell-1,494857,751$207,875,955
Q4 2023Ariel Appreciation FundBuy1,340341,193$91,289,599
Q4 2023Vulcan Value PartnersSell-10,079263,890$70,606
Q4 2023Giverny CapitalBuy44076,458$20,457,102
Q4 2023Mairs & Power Growth FundSell-18,774859,245$229,899,592
Q3 2023Ariel Appreciation FundBuy1,094339,853$84,052,444
Q3 2023Vulcan Value PartnersSell-69,181273,969$67,758
Q3 2023Giverny CapitalBuy23776,018$18,800,772
Q3 2023Mairs & Power Growth FundSell-14,156878,019$217,151,659
Q2 2023Ariel Appreciation FundSell-29,866338,759$98,683,884
Q2 2023Vulcan Value PartnersSell-24,677343,150$99,963
Q2 2023Giverny CapitalBuy5,92075,781$22,075,763
Q2 2023Mairs & Power Growth FundSell-2,250892,175$259,899,499
Q1 2023Ariel Appreciation FundSell-3,466368,625$98,824,677
Q1 2023Renaissance Technologies LLCSell-25,4342,500$670
Q1 2023Vulcan Value PartnersSell-32,518367,827$98,611
Q1 2023Giverny CapitalBuy44669,861$18,729,035
Q1 2023Mairs & Power Growth FundBuy138894,425$239,786,398
Q4 2022Ariel Appreciation FundSell-12,346372,091$81,934,438
Q4 2022Renaissance Technologies LLCSell-3,80027,934$6,151
Q4 2022Giverny CapitalSell-51369,415$15,285
Q4 2022Vulcan Value PartnersSell-70,888400,345$88,156

Frequently asked questions about LFUS activity

  • Which institutional owners are buying LFUS?

    Institutional owners buying LFUS include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in LFUS activity?

    "Buy" means an investor increased their reported position in LFUS compared to the prior reporting period. This reflects growing exposure to LITTELFUSE INC (LFUS) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in LFUS increasing?

    Institutional interest in LFUS can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.