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Financial transparency data from public SEC filings.

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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

GNTX

GENTEX CORP

Superinvestors

Institutional investors holding GNTX

Consensus →
InvestorFundWeightSharesValueQuarter
Ariel InvestmentsAriel Investments (Bobrinskoy & Rogers)2.04%8,342,402$182.3M2026Q1
Jensen Investment ManagementJensen Investment Management0.06%133,540$2.9M2026Q1
Kenneth FisherFisher Asset Management0.00%11,200$175K2016Q2
First Eagle Investment ManagementFirst Eagle Investment Management0.00%56,000$1.2M2017Q4

Congressional Activity

Congressional data coming soon

Insider Activity

6

Total trades

$715K

Volume

1

Buys

3

Sells

Last trade: May 21, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 21, 2026Leslie L BrownBuy–
May 15, 2026Joseph B Anderson JRSell$136K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 5, 2026
Leslie L Brown
Sell
$246K
May 5, 2026Leslie L BrownOption$110K
Apr 30, 2026Richard O SchaumSell$112K
Apr 30, 2026Richard O SchaumOption$110K