GENTEX CORP GNTX
COM · Common Stock · CUSIP 371901109
- SectorConsumer discretionary
- IndustryMotor Vehicle Parts & Accessories
- HeadquartersZeeland, MI
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($16.8m this quarter). Holder counts are more reliable. Shares outstanding: 219.5m as of 2025-07-25, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $21.98. Options: 6 managers hold calls ($1.4m notional), 6 hold puts ($663.3k).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 456 |
| Q4 2022 | 462 |
| Q1 2023 | 483 |
| Q2 2023 | 491 |
| Q3 2023 | 504 |
| Q4 2023 | 513 |
| Q1 2024 | 532 |
| Q2 2024 | 537 |
| Q3 2024 | 528 |
| Q4 2024 | 537 |
| Q1 2025 | 520 |
| Q2 2025 | 484 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 244 | 227 |
| Q4 2023 | 229 | 228 |
| Q1 2024 | 251 | 236 |
| Q2 2024 | 270 | 242 |
| Q3 2024 | 237 | 262 |
| Q4 2024 | 241 | 257 |
| Q1 2025 | 264 | 257 |
| Q2 2025 | 246 | 266 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $9.9m | $4.5m | 0.45 |
| Q4 2024 | $5.2m | $1.0m | 0.20 |
| Q1 2025 | $2.2m | $5.5m | 2.47 |
| Q2 2025 | $1.4m | $663.3k | 0.47 |
Biggest buyers
| FULLER & THALER ASSET MANAGEMENT, INC. | Added | +3.3m |
| UBS Group AG | Added | +2.7m |
| AMERICAN CENTURY COMPANIES INC | Added | +2.5m |
| Qube Research & Technologies Ltd | Added | +2.1m |
| Gotham Asset Management, LLC | Added | +1.1m |
| Pacer Advisors, Inc. | Added | +903.7k |
| Global Alpha Capital Management Ltd. | New | +878.5k |
| BANK OF AMERICA CORP /DE/ | Added | +489.5k |
| CITADEL ADVISORS LLC | Added | +441.8k |
| FIRST TRUST ADVISORS LP | Added | +416.7k |
Biggest sellers
| Beutel, Goodman & Co Ltd. | Sold out | -6.1m |
| JPMORGAN CHASE & CO | Reduced | -2.2m |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | -1.8m |
| EdgePoint Investment Group Inc. | Reduced | -1.6m |
| AMERICAN CAPITAL MANAGEMENT INC | Reduced | -1.3m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | Reduced | -1.1m |
| Scharf Investments, LLC | Sold out | -1.0m |
| TD Asset Management Inc | Reduced | -833.2k |
| Epoch Investment Partners, Inc. | Reduced | -559.8k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Sold out | -550.0k |
Biggest calls
| Walleye Trading LLC | Added | $699.3k31.8k shares |
| CITADEL ADVISORS LLC | Reduced | $472.8k21.5k shares |
| Walleye Capital LLC | New | $129.7k5.9k shares |
| GROUP ONE TRADING LLC | Reduced | $61.6k2.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $35.0k1.6k shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| CITADEL ADVISORS LLC | Reduced | $475.0k21.6k shares |
| Walleye Capital LLC | New | $171.5k7.8k shares |
| SIMPLEX TRADING, LLC | Reduced | $8.0k400 shares |
| GROUP ONE TRADING LLC | New | $4.4k200 shares |
| Walleye Trading LLC | New | $4.4k200 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.3% |
| AMERICAN CENTURY INVESTMENT MANAGEMENT INC 13G · institution new · filed 2026-08-14 | 5.2% |
| DIMENSIONAL FUND ADVISORS LP 13G · institution new · filed 2026-10-08 | 5.0% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), WELLINGTON MANAGEMENT GROUP LLP (1.1%, 2026-02-10)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 2 | $295.1k | — |
| Q4 2023 | 0 | — | 0 | — | — |
| Q1 2024 | 0 | — | 4 | $1.6m | — |
| Q2 2024 | 0 | — | 2 | $162.5k | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 1 | $86.1k | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-05-16 | ANDERSON JOSEPH B JR Director | Sold | $86.1k3.8k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.01% of their portfolio | 22.3m $491.4m | Reduced -233.9k |
| BlackRock, Inc. 0.01% of their portfolio | 21.1m $465.1m | Reduced -51.5k |
| WELLINGTON MANAGEMENT GROUP LLP 0.05% of their portfolio | 13.4m $295.7m | Reduced -1.8m |
| Burgundy Asset Management Ltd. 1.70% of their portfolio | 8.0m $175.1m | Added +236.3k |
| STATE STREET CORP 0.01% of their portfolio | 7.4m $163.6m | Added +74.8k |
| ARIEL INVESTMENTS, LLC 1.83% of their portfolio | 7.4m $161.8m | Added +277.2k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.54% of their portfolio | 6.8m $149.3m | Added +3.3m |
| AMERICAN CENTURY COMPANIES INC 0.08% of their portfolio | 6.6m $145.4m | Added +2.5m |
| Boston Partners 0.14% of their portfolio | 5.8m $127.4m | Reduced -111.6k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 5.7m $124.9m | Added +20.8k |
| EdgePoint Investment Group Inc. 0.94% of their portfolio | 5.6m $124.0m | Reduced -1.6m |
| JPMORGAN CHASE & CO 0.01% of their portfolio | 5.5m $121.4m | Reduced -2.2m |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 5.0m $109.8m | Added +339.4k |
| DISCIPLINED GROWTH INVESTORS INC /MN 2.07% of their portfolio | 4.9m $108.2m | Reduced -3.9k |
| UBS Group AG 0.02% of their portfolio | 4.5m $98.0m | Added +2.7m |
| TD Asset Management Inc 0.08% of their portfolio | 4.4m $95.9m | Reduced -833.2k |
| MORGAN STANLEY 0.01% of their portfolio | 4.2m $91.4m | Added +163.3k |
| Epoch Investment Partners, Inc. 0.43% of their portfolio | 3.8m $82.8m | Reduced -559.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% of their portfolio | 3.5m $75.9m | Reduced -1.1m |
| FIRST TRUST ADVISORS LP 0.05% of their portfolio | 2.7m $58.8m | Added +416.7k |
| Qube Research & Technologies Ltd 0.08% of their portfolio | 2.6m $57.5m | Added +2.1m |
| NORGES BANK 0.01% of their portfolio | 2.4m $51.8m | Added +186.1k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 2.3m $51.4m | Reduced -103.5k |
| NORTHERN TRUST CORP 0.01% of their portfolio | 2.2m $48.5m | Reduced -55.9k |
| WEST MICHIGAN ADVISORS, LLC 11.13% of their portfolio | 1.8m $39.5m | Added +1.4k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 1.6m $36.1m | Added +18.8k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.13% of their portfolio | 1.6m $34.8m | Reduced -330.4k |
| CITADEL ADVISORS LLC 0.03% of their portfolio | 1.5m $32.8m | Added +441.8k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.30% of their portfolio | 1.4m $31.4m | Reduced -68.8k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 1.4m $30.2m | Added +58.0k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 1.3m $28.9m | Added +489.5k |
| Gotham Asset Management, LLC 0.16% of their portfolio | 1.2m $26.9m | Added +1.1m |
| Bridgewater Associates, LP 0.11% of their portfolio | 1.2m $26.1m | Added +320.2k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 1.2m $26.1m | Reduced -135.4k |
| Janney Montgomery Scott LLC 0.06% of their portfolio | 1.1m $24.6m | Added +57.0k |
| Pacer Advisors, Inc. 0.05% of their portfolio | 920.3k $20.2m | Added +903.7k |
| EUBEL BRADY & SUTTMAN ASSET MANAGEMENT INC 2.46% of their portfolio | 886.1k $19.5m | Added +212.9k |
| Global Alpha Capital Management Ltd. 1.20% of their portfolio | 878.5k $19.3m | New |
| Invesco Ltd. 0.00% of their portfolio | 813.2k $17.9m | Added +60.1k |
| Triodos Investment Management BV 1.32% of their portfolio | 801.0k $17.6m | Unchanged |
| AMERICAN CAPITAL MANAGEMENT INC 0.73% of their portfolio | 795.5k $17.5m | Reduced -1.3m |
| SPEECE THORSON CAPITAL GROUP INC 3.12% of their portfolio | 697.9k $15.3m | Added +15.2k |
| SCHWERIN BOYLE CAPITAL MANAGEMENT INC 1.71% of their portfolio | 695.7k $15.3m | Added +176.5k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 691.0k $15.2m | Reduced -284 |
| Retirement Systems of Alabama 0.05% of their portfolio | 659.8k $14.5m | Added +52.5k |
| KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC 0.03% of their portfolio | 635.7k $14.0m | Added +6.3k |
| Leeward Investments, LLC - MA 0.74% of their portfolio | 634.6k $14.0m | Reduced -23.7k |
| ALPS ADVISORS INC 0.08% of their portfolio | 628.5k $13.8m | Reduced -4.5k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 592.0k $13.0m | Reduced -375.4k |
| SPRUCEGROVE INVESTMENT MANAGEMENT LTD 1.05% of their portfolio | 591.6k $13.0m | Reduced -800 |
| SEGALL BRYANT & HAMILL, LLC 0.18% of their portfolio | 591.4k $13.0m | Added +98.5k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 581.8k $12.8m | Added +210.0k |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 574.2k $12.6m | Added +54.8k |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 511.0k $11.2m | Added +332.2k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 509.8k $11.2m | Reduced -13.7k |
| Legal & General Group Plc 0.00% of their portfolio | 500.9k $11.0m | Added +22.6k |
| Lightrock Netherlands B.V. 2.53% of their portfolio | 490.4k $9.2m | Unchanged |
| Nitorum Capital, L.P. 1.57% of their portfolio | 482.6k $10.6m | Reduced -18.8k |
| CAMBIAR INVESTORS LLC 0.43% of their portfolio | 461.3k $10.1m | Added +183.0k |
| Quantbot Technologies LP 0.26% of their portfolio | 456.5k $10.0m | Added +36.9k |
| Hendershot Investments Inc. 1.33% of their portfolio | 453.0k $10.0m | Reduced -145.4k |
| RICE HALL JAMES & ASSOCIATES, LLC 0.53% of their portfolio | 446.5k $9.8m | Reduced -4.5k |
| Swiss National Bank 0.01% of their portfolio | 432.3k $9.5m | Reduced -8.4k |
| TWINBEECH CAPITAL LP 0.21% of their portfolio | 420.9k $9.3m | Added +256.9k |
| Nuveen, LLC 0.00% of their portfolio | 408.9k $9.0m | Reduced -94.6k |
| THOMPSON SIEGEL & WALMSLEY LLC 0.15% of their portfolio | 397.4k $8.7m | Added +61.1k |
| CIDEL ASSET MANAGEMENT INC 0.52% of their portfolio | 396.5k $8.7m | Reduced -123.7k |
| Well Done, LLC 1.62% of their portfolio | 393.0k $8.6m | Reduced -5.1k |
| Summit Street Capital Management, LLC 1.40% of their portfolio | 384.7k $8.5m | Reduced -39.9k |
| California Public Employees Retirement System 0.01% of their portfolio | 384.2k $8.4m | Added +51.1k |
| SYSTEMATIC FINANCIAL MANAGEMENT LP 0.23% of their portfolio | 384.1k $8.4m | Added +16.2k |
| DekaBank Deutsche Girozentrale 0.01% of their portfolio | 375.3k $8.2m | Unchanged |
| NORTH POINT PORTFOLIO MANAGERS CORP/OH 1.29% of their portfolio | 342.6k $7.5m | Reduced -6.3k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 339.7k $7.5m | Added +209.5k |
| Holocene Advisors, LP 0.02% of their portfolio | 334.3k $7.4m | Added +10.7k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 317.2k $7.0m | Added +127.6k |
| XXEC, Inc. 5.33% of their portfolio | 301.3k $6.6m | Added +7.5k |
| Leith Wheeler Investment Counsel Ltd. 0.47% of their portfolio | 301.0k $6.6m | Reduced -8.1k |
| Walleye Capital LLC 0.06% of their portfolio | 298.5k $6.6m | Added +163.7k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 291.2k $6.4m | Reduced -5.3k |
| Squarepoint Ops LLC 0.01% of their portfolio | 275.1k $6.0m | Added +233.9k |
| SEI INVESTMENTS CO 0.01% of their portfolio | 272.2k $6.0m | Reduced -135.8k |
| Thrivent Financial for Lutherans 0.01% of their portfolio | 272.0k $6.0m | Added +3.0k |
| Goelzer Investment Management, Inc. 0.32% of their portfolio | 264.8k $5.8m | Reduced -5.8k |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 260.1k $5.7m | Reduced -286.0k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 251.1k $5.5m | Added +145.4k |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.02% of their portfolio | 248.6k $5.5m | Added +23.4k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.01% of their portfolio | 241.4k $5.3m | Reduced -26.6k |
| Quantinno Capital Management LP 0.02% of their portfolio | 238.2k $5.2m | Added +65.4k |
| Baird Financial Group, Inc. 0.01% of their portfolio | 235.9k $5.2m | Reduced -8.7k |
| Birch Hill Investment Advisors LLC 0.23% of their portfolio | 233.3k $5.1m | Reduced -83.5k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 227.5k $5.0m | Reduced -37.3k |
| INTECH INVESTMENT MANAGEMENT LLC 0.05% of their portfolio | 226.5k $5.0m | Added +188.3k |
| GAMCO INVESTORS, INC. ET AL 0.05% of their portfolio | 225.5k $5.0m | Added +4.4k |
| Jump Financial, LLC 0.06% of their portfolio | 224.1k $4.9m | Added +60.8k |
| Snowden Capital Advisors LLC 0.14% of their portfolio | 222.6k $4.9m | Added +2.2k |
| Jain Global LLC 0.08% of their portfolio | 219.6k $4.8m | Added +144.2k |
| Asset Management One Co., Ltd. 0.02% of their portfolio | 219.5k $4.8m | Unchanged |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 213.6k $4.7m | Reduced -29.7k |
| Y-Intercept (Hong Kong) Ltd 0.11% of their portfolio | 213.4k $4.7m | Added +153.6k |