Skip to main content

SCHWERIN BOYLE CAPITAL MANAGEMENT INC

Position in GNTX — Gentex Corp

CIK 937522 SPRINGFIELD, MA

Position in GNTX

as of Jun 30, 2026 · filed Aug 7, 2026
Position Value
$15,699,897
+$2,124,798 QoQ
Shares Held
621,286
0.0% QoQ
Ownership
0.295%
of shares outstanding
% of Portfolio
2.02%
of 13F equity value
Holder Rank
#59
of 528 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GNTX Over Time

Shares Held

Position Value (USD)

Position in Auto Parts

Consumer Cyclical · as of Jun 30, 2026

SCHWERIN BOYLE CAPITAL MANAGEMENT INC holds $15,699,897 across 1 Auto Parts name. GNTX ranks #1 (100.0% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 GNTX
Gentex Corp
This page
621,286 $15,699,897

All Filings in GNTX

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $15,699,897 621,286
2026-03-31 $13,575,099 621,286
2025-12-31 $16,189,357 695,718
2025-09-30 $19,688,819 695,718
2025-06-30 $15,298,838 695,718
2025-03-31 $12,097,779 519,218
2024-12-31 $12,296,440 428,000
2024-09-30 $12,707,320 428,000
2024-06-30 $15,270,630 453,000
2024-03-31 $16,362,360 453,000
2023-12-31 $14,794,980 453,000
2023-09-30 $14,740,620 453,000
2023-06-30 $13,254,780 453,000
2023-03-31 $9,081,720 324,000
2022-12-31 $8,835,480 324,000
2022-09-30 $7,724,160 324,000
2022-06-30 $9,062,280 324,000
2022-03-31 $9,451,080 324,000
2021-12-31 $11,291,400 324,000
2021-09-30 $10,685,520 324,000
2021-06-30 $10,721,160 324,000
2021-03-31 $11,557,080 324,000
2020-12-31 $16,252,470 479,000
2020-09-30 $12,334,250 479,000
2020-06-30 $12,343,830 479,000
2020-03-31 $10,614,640 479,000