$GNTX

$20.64 -$0.02 (0.1%) Close

$GNTX Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 210.7M shares outstanding

Who owns GNTX?

By type of holder

Institutions 99.3% Insiders 0.4% Everyone else 0.3%

Concentration Top 10 holders own 46.9%

BlackRock, Inc. 10.3% · American Century Companies Inc 5.2%

Institutional ownership

99.3%

+4.6 pts vs last qtr

Institutional holders

531

+25 vs last qtr

Net shares bought

+9.7M

by institutions in Q2 2026

New / sold out

78 / 53

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Norges Bank NEW +2.0M
Dimensional Fund Advisors LP +1.6M

Biggest sellers in Q2 2026

Millennium Management LLC −1.6M
Wellington Management Group LLP −1.4M

Who is planning to sell?

Notices of proposed sale, last 12 months

$2.52M

7 notices from 7 people

Shares covered

102.6K

0.05% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Steven Ray Downing Officer $866K
Matthew William Chiodo Officer $496K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2016–FY2025

−25.2%

−3.17% a year

Each share's claim on the business

+33.6%

grew without buying or selling a share

Spent on buybacks vs paid in stock

$2.71B vs $281M

over 10 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

Institutional shares by how long they've been held

5+ years67% 3–5 years13% 1–3 years8% Under 1 year12%

Quarterly turnover

7.8%

of institutional shares changed hands

Top 10 managers, median time held

5 years

Super Investors

Investment managers reporting GNTX on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
B BlackRock, Inc.	21.8M	10.34%	+478.1K (+2.2%)	≤2021	0.0%
Shares held by quarter Peak holding21.8M (Q2'26) Change over 8 quarters+1.3M Share of the company10.340% BlackRock, Inc.'s full portfolio →
AC American Century Companies Inc	11.0M	5.23%	+422.3K (+4.0%)	≤2021	0.1%
Shares held by quarter Peak holding11.0M (Q2'26) Change over 8 quarters+10.0M Share of the company5.230% American Century Companies Inc's full portfolio →

BlackRock, Inc.

21.8M

% of company

10.34%

Change vs last qtr

+478.1K (+2.2%)

Held since

≤2021

American Century Companies Inc

11.0M

% of company

5.23%

Change vs last qtr

+422.3K (+4.0%)

Held since

≤2021

28 more super investors behind a free account

See every manager holding Gentex Corporation, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting GNTX on Form N-PORT; together they hold 43.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IC iShares Core S&P Mid-Cap ETF iShares Trust	$184M	7.3M	3.46%	0.15%	June 30, 2026
VT Vanguard Total Stock Market Index Fund Vanguard Index Funds	$171M	6.8M	3.20%	0.01%	June 30, 2026

iShares Core S&P Mid-Cap ETF

iShares Trust

Position value

$184M

% of company

3.46%

% of the fund

0.15%

As of

June 30, 2026

Vanguard Total Stock Market Index Fund

Vanguard Index Funds

Position value

$171M

% of company

3.20%

% of the fund

0.01%

As of

June 30, 2026

23 more funds behind a free account

See every fund holding Gentex Corporation and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
DS Downing Steven R Insider	255.2K	0.12%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.120% Downing Steven R's insider activity →
SR Schaum Richard O Insider	87.1K	0.04%	—	—	—	—
Insider holdings come from Form 3/4/5 filings, which are not quarterly. Share of the company0.040% Schaum Richard O's insider activity →

Downing Steven R

Insider

255.2K

% of company

0.12%

Change vs last qtr

—

Held since

—

Schaum Richard O

Insider

87.1K

% of company

0.04%

Change vs last qtr

—

Held since

—

10 more holders behind a free account

See every insider and 5%+ holder of Gentex Corporation.

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