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SC 13G ·Filed Oct 8, 2026

GNTX

GENTEX CORP
NEUTRAL
Impact 3/10
Horizonweeks Processed17d 18h ago SEC0000354204-26-001085
Passive investor 5%+ stake
Actionable Insight • Neutral

Dimensional's passive 5% stake is a routine index/quantitative holding with no activist implications. Monitor for any future amendments that show material increases or decreases, but no near-term catalyst is expected from this filing.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+5d
GNTX ▼ -0.19% at T+5d
NEUTRAL call -0.19% · α vs SPY +0.09% · entry $21.15 → $21.11
Next anchor: T+20d in 10d
Latest observation: T+11 -4.40% FF3 residual α
Entry = T+0 close
Oct 8, 2026
via day close
T+1d
-0.52%
call -0.52% · α -1.12%
$21.04
settled 17d ago
T+5d
-0.19%
call -0.19% · α +0.09%
$21.11
settled 11d ago
T+20d
Pending
in 10d
T+60d
Pending
in 2mo

Price Chart

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Executive Summary

Dimensional Fund Advisors LP filed a Schedule 13G disclosing a 5.0% passive stake in Gentex Corp as of September 30, 2026. This is a new filing by Dimensional, which holds 10,550,621 shares of common stock. As a passive investment adviser filing under Rule 13d-1(b), Dimensional disclaims any intent to influence control, making this a routine disclosure with no immediate market-moving implications.

Key Financial Metrics

Stake
5%
Investor
Dimensional Fund Advisors LP

Key Facts

  • Dimensional Fund Advisors LP disclosed beneficial ownership of 10,550,621 shares of Gentex Corp common stock.
  • The stake represents 5.0% of shares outstanding as of September 30, 2026.
  • Dimensional is a registered investment adviser filing under Rule 13d-1(b), indicating passive intent with no control influence.
  • Dimensional disclaims beneficial ownership; all securities are held by its advised funds.
  • This is a new Schedule 13G filing by Dimensional; prior passive stakes in Gentex were filed by Vanguard entities.

Financial Impact

5.0% passive stake valued at approximately $330 million based on current market price (estimated from ~$31.30/share).

ownershipshare count

Risk Factors

  • No material risks identified from this passive disclosure.

Investment Themes

Industrials & Manufacturing

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G Filing (Primary)0000354204-26-001085
Document: 0000354204-26-001085-index.html0000354204-26-001085
Document: 0000354204-26-001085.txt0000354204-26-001085
16 reports for GNTX
Performance horizon

Track record builds as more directional reports settle.

Filters
Rows
Reports for GNTX — sortable, filterable
TypeNow
Oct 23, 2026
3d ago
8-K
BEARISH ★ 7/10
$20.60awaiting T+60—$20.66 (−0.29%)
Oct 23, 2026
3d ago
Press Release
BEARISH ★ 6/10
$20.60awaiting T+60—$20.66 (−0.29%)
Oct 8, 2026
17d ago
SC 13G
NEUTRAL ★ 3/10
$21.15awaiting T+60—$20.66 (−2.32%)
Oct 1, 2026
25d ago
Press Release
NEUTRAL ★ 1/10
$21.83awaiting T+60—$20.66 (−5.35%)
Jul 24, 2026
13w ago
8-K
MIXED ★ 5/10
$22.90 $20.87▼ −8.86%▼ −12.59%$20.66 (−9.78%)
Jul 24, 2026
13w ago
Press Release
MIXED ★ 6/10
$22.90 $20.87▼ −8.86%▼ −12.59%$20.66 (−9.78%)
Jun 30, 2026
16w ago
Press Release
NEUTRAL ★ 1/10
$25.27awaiting T+60—$20.66 (−18.24%)
May 15, 2026
23w ago
Insider Cluster
NEUTRAL ★ 2/10
$22.68 $23.40▲ +3.17%▼ −1.68%$20.66 (−8.91%)
May 15, 2026
23w ago
Insider Cluster
NEUTRAL ★ 2/10
$22.68 $23.40▲ +3.17%▼ −1.68%$20.66 (−8.91%)
May 15, 2026
23w ago
Insider Cluster
NEUTRAL ★ 2/10
$22.68 $23.40▲ +3.17%▼ −1.68%$20.66 (−8.91%)
Showing 10 of 16

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Report published Oct 8, 2026