Gentex Corporation
Gentex Corporation (GNTX) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · GNTX · as of Sep 30, 2025
Ownership Breakdown
519
Institutional Holders
▲ 27 vs Q2
$5.92B
Total Inst. Value
▲ $1.13B vs Q2
212.95M
Shares Outstanding
freeFloat 99.53%
209.32M
13F Shares Held
▼ 8.86M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
GNTX largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC motor vehicle parts & accessories | 21.72M | 9.62% | 9.62% | $614.82B | Nov 7, 2025 | ▼ 623.1K |
BLACKROCK, INC. motor vehicle parts & accessories | 20.61M | 9.12% | 9.12% | $583.16B | Nov 12, 2025 | ▼ 543.0K |
WELLINGTON MANAGEMENT GROUP LLP motor vehicle parts & accessories | 14.83M | 6.56% | 6.56% | $419.64B | Nov 14, 2025 | ▲ 1.38M |
BURGUNDY ASSET MANAGEMENT LTD. motor vehicle parts & accessories | 7.92M | 3.51% | 3.51% | $221.95B | Nov 12, 2025 | ▼ 40.6K |
STATE STREET CORP motor vehicle parts & accessories | 7.44M | 3.29% | 3.29% | $210.55B | Nov 14, 2025 | ▲ 462 |
ARIEL INVESTMENTS, LLC motor vehicle parts & accessories | 7.22M | 3.20% | 3.20% | $204.27B | Nov 14, 2025 | ▼ 141.2K |
AMERICAN CENTURY COMPANIES INC motor vehicle parts & accessories | 6.74M | 2.98% | 2.98% | $190.81B | Nov 12, 2025 | ▲ 131.0K |
JPMORGAN CHASE & CO motor vehicle parts & accessories | 6.73M | 2.98% | 2.98% | $190.33B | Nov 26, 2025 | ▲ 1.21M |
FULLER & THALER ASSET MANAGEMENT, INC. motor vehicle parts & accessories | 6.58M | 2.91% | 2.91% | $186.25B | Nov 13, 2025 | ▼ 208.0K |
BOSTON PARTNERS motor vehicle parts & accessories | 5.91M | 2.62% | 2.62% | $167.30B | Nov 13, 2025 | ▲ 123.7K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
21
Increased
+8.56M shares4
New Positions
first time holders23
Decreased
−9.43M shares0
Sold Out
fully exitedNet shares change (top 50)
876.1K
+8.56M / −9.43M
Net new holders
+2
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
GNTX insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
14
Buy transactions
4
Sell transactions
3.50
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
KENNEDY JOHN C director | May 21, 2026 | Award | 5,626 | — | — | 5.6K | Form 4 ↗ |
Zang Ling director | May 21, 2026 | Award | 5,626 | — | — | 35.6K | Form 4 ↗ |
WALKER BRIAN C director | May 21, 2026 | Award | 5,626 | — | — | 29.8K | Form 4 ↗ |
Starkoff Kathleen director | May 21, 2026 | Award | 5,626 | — | — | 36.8K | Form 4 ↗ |
Schaum Richard O director | May 21, 2026 | Award | 5,626 | — | — | 87.1K | Form 4 ↗ |
Pink Billy director | May 21, 2026 | Award | 5,626 | — | — | 15.3K | Form 4 ↗ |
DEUR GARTH director | May 21, 2026 | Award | 5,626 | — | — | 20.0K | Form 4 ↗ |
BROWN LESLIE L director | May 21, 2026 | Award | 5,626 | — | — | 42.0K | Form 4 ↗ |
WALKER BRIAN C director | May 15, 2026 | Sale | 5,939 | $22.98 | $136.4K | 24.2K | Form 4 ↗ |
ANDERSON JOSEPH B JR director | May 15, 2026 | Sale | 5,939 | $22.98 | $136.4K | 0 | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Gentex Corporation (GNTX) is primarily owned by institutional investors, who hold approximately 98.3% of total shares outstanding. Company insiders own approximately 0.47%, while retail and public investors account for the remaining 1.23%.
The largest institutional shareholder of Gentex Corporation is VANGUARD GROUP INC, holding approximately 21.72 million shares — equal to 9.62% of outstanding shares — as of September 30, 2025.
A total of 519 institutional investors currently hold GNTX stock, with a combined institutional value of approximately $5.92 billion as of the most recent 13F filing period.
Frequently asked questions
GNTX ownershipGentex Corporation (GNTX) is primarily owned by institutional investors, who hold approximately 98.3% of shares. The largest shareholder is VANGUARD GROUP INC with a 9.62% stake. Company insiders hold 0.47%. Data sourced from SEC Form 13F as of September 30, 2025.