Joel Greenblatt's GNTX Position Overview
Joel Greenblatt (via Gotham Asset Management, LLC) currently holds 1.36 M shares of Gentex Corporation (GNTX) worth $38.53 M, representing 0.17% of the portfolio. First purchased in 2013-Q2, this long-term strategic position has been held for 50 quarters.
Based on 13F filings since 2013, Joel Greenblatt has maintained a long-term strategic position in GNTX, representing a significant commitment to this investment thesis. Largest addition occurred in Q1 2014, adding 1.31 M shares. Largest reduction occurred in Q4 2014, reducing 1.32 M shares.
Analysis based on 13F filings available since 2013 Q2
Joel Greenblatt's Gentex Corporation (GNTX) Holding Value Over Time
Track share changes against reported price movement
Quarterly Gentex Corporation (GNTX) Trades by Joel Greenblatt
| Report Date | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2013 | +762,760 | Add 0.00% | 762,758 | $11.53 |
| Q3 2013 | +249,718 | Add 32.74% | 1.01 M | $12.80 |
| Q4 2013 | -304,444 | Reduce 30.07% | 708,032 | $16.49 |
| Q1 2014 | +1.31 M | Add 184.68% | 2.02 M | $15.76 |
| Q2 2014 | +1.03 M | Add 51.18% | 3.05 M | $14.54 |
| Q3 2014 | -1.22 M | Reduce 40.18% | 1.82 M | $13.38 |
| Q4 2014 | -1.32 M | Reduce 72.36% | 503,876 | $18.07 |
| Q1 2015 | -79,461 | Reduce 15.77% | 424,415 | $18.30 |
| Q2 2015 | +888,806 | Add 209.42% | 1.31 M | $16.42 |
| Q3 2015 | +457,263 | Add 34.82% | 1.77 M | $15.50 |
| Q4 2015 | -255,358 | Reduce 14.42% | 1.52 M | $16.01 |
| Q1 2016 | -1.52 M | Sold Out | 1.52 M | $16.01 |
| Q2 2016 | +579,318 | New Buy | 579,318 | $15.45 |
| Q3 2016 | -14,627 | Reduce 2.52% | 564,691 | $17.56 |
| Q4 2016 | -547,658 | Reduce 96.98% | 17,033 | $19.67 |
| Q1 2017 | -1,440 | Reduce 8.45% | 15,593 | $21.36 |
| Q2 2017 | -15,593 | Sold Out | 15,593 | $21.36 |
| Q3 2017 | +503,977 | New Buy | 503,977 | $19.80 |
| Q4 2017 | -186,121 | Reduce 36.93% | 317,856 | $20.95 |
| Q1 2018 | -188,475 | Reduce 59.30% | 129,381 | $23.02 |
| Q2 2018 | +236,422 | Add 182.73% | 365,803 | $23.02 |
| Q3 2018 | -62,551 | Reduce 17.10% | 303,252 | $21.46 |
| Q4 2018 | -283,623 | Reduce 93.53% | 19,629 | $20.23 |
| Q1 2019 | -1,487 | Reduce 7.58% | 18,142 | $20.67 |
| Q2 2019 | -18,142 | Sold Out | 18,142 | $20.67 |
| Q3 2019 | +18,212 | New Buy | 18,212 | $27.51 |
| Q4 2019 | -10,009 | Reduce 54.96% | 8,203 | $29.01 |
| Q1 2020 | -8,203 | Sold Out | 8,203 | $29.01 |
| Q2 2020 | +8,279 | New Buy | 8,279 | $25.73 |
| Q3 2020 | -8,279 | Sold Out | 8,279 | $25.73 |
| Q1 2021 | +48,984 | New Buy | 48,984 | $35.66 |
| Q2 2021 | +30,741 | Add 62.76% | 79,725 | $33.09 |
| Q3 2021 | -2,779 | Reduce 3.49% | 76,946 | $32.98 |
| Q4 2021 | -63,839 | Reduce 82.97% | 13,107 | $34.87 |
| Q1 2022 | -13,107 | Sold Out | 13,107 | $34.87 |
| Q2 2022 | +8,166 | New Buy | 8,166 | $27.92 |
| Q3 2022 | +9,869 | Add 120.85% | 18,035 | $23.84 |
| Q4 2022 | -18,035 | Sold Out | 18,035 | $23.84 |
| Q1 2023 | +8,317 | New Buy | 8,317 | $28.03 |
| Q2 2023 | +6,280 | Add 75.51% | 14,597 | $29.26 |
| Q3 2023 | +3,667 | Add 25.12% | 18,264 | $32.54 |
| Q4 2023 | +23,369 | Add 127.95% | 41,633 | $32.66 |
| Q1 2024 | +604 | Add 1.45% | 42,237 | $36.12 |
| Q2 2024 | +64,385 | Add 152.44% | 106,622 | $33.71 |
| Q3 2024 | +136,035 | Add 127.59% | 242,657 | $29.69 |
| Q4 2024 | +126,757 | Add 52.24% | 369,414 | $28.73 |
| Q1 2025 | -210,935 | Reduce 57.10% | 158,479 | $23.30 |
| Q2 2025 | +1.07 M | Add 673.10% | 1.23 M | $21.99 |
| Q3 2025 | +136,112 | Add 11.11% | 1.36 M | $28.30 |
Joel Greenblatt's Gentex Corporation Investment FAQs
Joel Greenblatt first purchased Gentex Corporation (GNTX) in Q2 2013, acquiring 762,758 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Joel Greenblatt has held Gentex Corporation (GNTX) for 50 quarters since Q2 2013.
Joel Greenblatt's largest addition to Gentex Corporation (GNTX) was in Q1 2014, adding 2,015,634 shares worth $31.78 M.
According to the latest 13F filing for Q3 2025, Joel Greenblatt's firm, Gotham Asset Management, LLC, owns 1,361,319 shares of Gentex Corporation (GNTX), valued at approximately $38.53 M.
As of the Q3 2025 filing, Gentex Corporation (GNTX) represents approximately 0.17% of Joel Greenblatt's publicly disclosed stock portfolio, making it one of their key holdings.
Joel Greenblatt's peak holding in Gentex Corporation (GNTX) was 3,047,174 shares, as reported at the end of Q2 2014.