LITTELFUSE INC (LFUS) Institutional Ownership Changes & 13F Activity

LITTELFUSE INC (LFUS) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Vulcan Value Partners, Renaissance Technologies LLC, Mairs & Power Growth Fund, Ariel Appreciation Fund, and First Eagle U.S. Value.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2018Giverny CapitalSell-2,874102,099$20,204
Q3 2018Polen Capital ManagementBuy2312,724$539
Q2 2018Giverny CapitalBuy103,450104,973$23,953
Q2 2018Mairs & Power Growth FundBuy5,15080,350$18,334
Q2 2018Ariel Appreciation FundBuy1,950222,801$50,839
Q2 2018Polen Capital ManagementBuy2682,493$569
Q1 2018Mairs & Power Growth FundBuy75,20075,200$15,655
Q1 2018Ariel Appreciation FundSell-37,069220,851$45,977
Q1 2018Polen Capital ManagementBuy6632,225$463
Q4 2017Ariel Appreciation FundSell-39,635257,920$51,022
Q4 2017Polen Capital ManagementBuy1,5621,562$309
Q4 2017Giverny CapitalBuy1,5231,523$301
Q3 2017Ariel Appreciation FundSell-89,961297,555$58,285
Q3 2017Renaissance Technologies LLCSell-28,8005,292$1,037
Q2 2017Renaissance Technologies LLCSell-78,90034,092$5,625
Q2 2017Ariel Appreciation FundSell-51,484387,516$63,940
Q1 2017Ariel Appreciation FundSell-16,005439,000$70,200
Q4 2016Ariel Appreciation FundSell-139,029455,005$69,056
Q3 2016Renaissance Technologies LLCSell-174,200112,992$14,554
Q3 2016Ariel Appreciation FundSell-56,999594,034$76,518
Q2 2016Ariel Appreciation FundSell-79,623651,033$76,946
Q2 2016Renaissance Technologies LLCBuy5,900287,192$33,943
Q1 2016Ariel Appreciation FundSell-98,585730,656$89,951
Q1 2016Renaissance Technologies LLCBuy66,800281,292$34,630
Q4 2015Renaissance Technologies LLCBuy109,600214,492$22,953
Q4 2015Ariel Appreciation FundSell-26,138829,241$88,737
Q3 2015Renaissance Technologies LLCBuy51,200104,892$9,561
Q3 2015Ariel Appreciation FundBuy22,251855,379$77,968
Q2 2015Renaissance Technologies LLCBuy39,49253,692$5,095
Q2 2015Ariel Appreciation FundSell-28,655833,128$79,056

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.

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