Gentex Corp
GNTX- Exchange
- Nasdaq
- Industry
- Motor Vehicle Parts & Accessories
- SEC CIK
- 0000355811
No open-market purchases or sales by Gentex Corp insiders were filed in the last 90 days; 533 institutions reported holding it in 13F filings for Q2 2026, worth $5.28B in total; no superinvestor holds it.
Holders of 5% or more of GNTX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Gentex Corp, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Vanguard Capital Management LLC | 13G | 5.28%11.4M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| American Century Investment Management Inc | 13G | 5.20%11.0M shares | New | Aug 14, 20261 filing | Aug 14, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on Gentex Corp, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 20262:39 PM ET | American Century Investment Management Incand 2 others | 13G | 5.20%11.0M shares | New | Jun 30, 2026 | SEC |
| Apr 29, 20266:53 PM ET | Vanguard Capital Management LLC | 13G | 5.28%11.4M shares | New | Mar 31, 2026 | SEC |
| Mar 26, 20266:36 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −10.09 ppfrom 10.09%Below 5% | Mar 13, 2026 | SEC |
| Feb 10, 202611:17 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 1.10%2.30M shares | −4.90 ppfrom 6.00%Below 5% | Dec 31, 2025 | SEC |
| Aug 12, 202510:34 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 6.00%13.4M shares | – | Jun 30, 2025 | SEC |
| May 7, 202510:07 AM ET | Vanguard Group Inc | 13G/A | 10.09%22.8M shares | – | Apr 30, 2025 | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Apr 12, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Jan 29, 20219:56 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Gentex Corp shares.
No Form 144 notices for Gentex Corp are on file.