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GNTX

Gentex Corp

Company with tickers: GNTX

CIK
355811
CUSIP
371901109
Shares Outstanding
212,951,848
13F Activity (30d)
131 filings 131 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 441
Total Value: $2,205,051,432
Total Shares: 100,917,697
Showing 1–100 of 444 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 441 13F filers · Δ vs Dec 31, 2025
Top Holder
11.8%
Jun 2023 → Mar 2026 · range 9.9% – 11.8%
+0.6 pts
Top 5
41.6%
Jun 2023 → Mar 2026 · range 32.4% – 41.6%
+9.1 pts
Top 10
52.3%
Jun 2023 → Mar 2026 · range 44.7% – 52.3%
+7.6 pts
HHI
434
Jun 2023 → Mar 2026 · range 322 – 434
Broadly held+112

Quarterly Activity

vs Dec 31, 2025
New
66
Increased
170
Decreased
138
Sold Out
100
Unchanged
67
Holder count: -34
Institutional value: +8.2%
Shares held: +15.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 444
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Holder Value (USD) % of 13F Shares Open