ValuationViz

GNTX fund manager activity

Gentex Corporation · Nasdaq. Reported by 9 tracked fund managers in their 13F filings, Q2 2013 to Q2 2026.

Q2 2026

ManagerActivitySharesValue% of portfolioFiled
John Rogers - Ariel InvestmentsTrimmed8,309,786$209,988,2922.09%Aug 14, 2026
Jeremy Grantham - GMOTrimmed12,095$305,6410.00%Aug 13, 2026
Joel Greenblatt - Gotham Asset ManagementTrimmed670,950$16,954,9070.04%Aug 14, 2026
Jensen Investment ManagementTrimmed108,470$2,741,0370.07%Aug 7, 2026

Q1 2026

ManagerActivitySharesValue% of portfolioFiled
John Rogers - Ariel InvestmentsAdded8,342,402$182,281,4842.04%May 14, 2026
Jeremy Grantham - GMOTrimmed28,244$617,1310.00%May 14, 2026
Joel Greenblatt - Gotham Asset ManagementAdded1,292,588$28,243,0480.09%May 15, 2026
Jensen Investment ManagementNo change133,540$2,917,8490.06%May 5, 2026

Older quarters