LITTELFUSE INC (LFUS) Institutional Ownership and Insiders Activity

LITTELFUSE INC (LFUS) is widely held by institutional investors, with 8 tracked firms reporting positions valued at approximately $361.90M based on SEC Form 13F filings for the quarter ended June 30, 2026.

Mairs & Power Growth Fund is the largest disclosed holder, reporting approximately $245.93M in LFUS holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Mairs & Power Growth Fund representing the majority of disclosed value.

Recent insider activity includes 48 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.