John Rogers's GNTX Position Overview
John Rogers (via Ariel Investments, LLC) currently holds 7.89 M shares of Gentex Corporation (GNTX) worth $183.6 M, representing 1.98% of the portfolio. First purchased in 2013-Q2, this medium-term investment has been held for 20 quarters.
Based on 13F filings, John Rogers has maintained a strategic position in GNTX, demonstrating sustained confidence in this investment. Largest addition occurred in Q1 2022, adding 3.93 M shares. Largest reduction occurred in Q3 2023, reducing 1.54 M shares.
Analysis based on 13F filings available since 2013 Q2
John Rogers's Gentex Corporation (GNTX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Gentex Corporation (GNTX) Trades by John Rogers
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q4 2025 | +671,848 | Add 9.31% | 7.89 M | $23.27 |
| Q3 2025 | -141,192 | Reduce 1.92% | 7.22 M | $28.30 |
| Q2 2025 | +277,217 | Add 3.91% | 7.36 M | $21.99 |
| Q1 2025 | +687,329 | Add 10.75% | 7.08 M | $23.30 |
| Q4 2024 | -28,010 | Reduce 0.44% | 6.39 M | $28.73 |
| Q3 2024 | +319,156 | Add 5.23% | 6.42 M | $29.69 |
| Q2 2024 | -302,779 | Reduce 4.73% | 6.1 M | $33.71 |
| Q1 2024 | -148,713 | Reduce 2.27% | 6.41 M | $36.12 |
| Q4 2023 | -359,480 | Reduce 5.20% | 6.56 M | $32.66 |
| Q3 2023 | -1.54 M | Reduce 18.18% | 6.91 M | $32.54 |
| Q2 2023 | -480,767 | Reduce 5.38% | 8.45 M | $29.26 |
| Q1 2023 | +79,694 | Add 0.90% | 8.93 M | $28.03 |
| Q4 2022 | -374,780 | Reduce 4.06% | 8.85 M | $27.27 |
| Q3 2022 | +45,246 | Add 0.49% | 9.23 M | $23.84 |
| Q2 2022 | +1.01 M | Add 12.33% | 9.18 M | $27.97 |
| Q1 2022 | +3.93 M | Add 92.39% | 8.17 M | $29.17 |
| Q4 2021 | +992,611 | Add 30.49% | 4.25 M | $34.85 |
| Q3 2021 | +3.26 M | New Buy | 3.26 M | $32.98 |
| Q3 2013 | -35,440 | Sold Out | 0 | $0.00 |
| Q2 2013 | +35,442 | Add 0.00% | 35,440 | $11.51 |
John Rogers's Gentex Corporation Investment FAQs
John Rogers first purchased Gentex Corporation (GNTX) in Q2 2013, acquiring 35,440 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
John Rogers has held Gentex Corporation (GNTX) for 20 quarters since Q2 2013.
John Rogers's largest addition to Gentex Corporation (GNTX) was in Q1 2022, adding 8,174,011 shares worth $238.44 M.
According to the latest 13F filing for Q4 2025, John Rogers's firm, Ariel Investments, LLC, owns 7,889,928 shares of Gentex Corporation (GNTX), valued at approximately $183.6 M.
As of the Q4 2025 filing, Gentex Corporation (GNTX) represents approximately 1.98% of John Rogers's publicly disclosed stock portfolio, making it one of their key holdings.
John Rogers's peak holding in Gentex Corporation (GNTX) was 9,226,776 shares, as reported at the end of Q3 2022.