Ticker · CUSIP 371901109

GNTX

GENTEX CORP

Consumer Cyclical·Auto Parts

···Share

Holders (tracked)

Combined shares

20,289,194

Combined value

$472.13M

Last close

$22.63

Quarter

2025Q4

Price is -2.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$22.63+1.50 (+7.12%)H $28.63 · L $20.58 · Avg Vol 2.3M

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

24 events

Paul Tudor Jones (Tudor Investment) opened position2026-02-17
+323,434 shares · 2025Q4
Position
Ken Griffin (Citadel Advisors) added2026-02-17
+743,789 shares · 2025Q4
Position
Jeremy Grantham (GMO) added2026-02-17
+37,042 shares · 2025Q4
Position
Two Sigma Investments opened position2026-02-17
+477,942 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−46,896 shares · 2025Q4
Position
T. Rowe Price added2026-02-17
+10,212 shares · 2025Q4
Position
Wellington Management trimmed2026-02-17
−12,527,728 shares · 2025Q4
Position
AQR Capital Management added2026-02-17
+58,989 shares · 2025Q4
Position
Ray Dalio (Bridgewater Associates) added2026-02-13
+346,559 shares · 2025Q4
Position
John Rogers (Ariel Investments) added2026-02-13
+671,848 shares · 2025Q4
Position
Renaissance Technologies added2026-02-12
+768,256 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+2,267,606 shares · 2025Q4
Position
Mario Gabelli (GAMCO) added2026-02-05
+13,500 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−207,402 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+1,159,718 shares · 2025Q3
Position
AQR Capital Management trimmed2025-11-14
−77,652 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+11,820 shares · 2025Q3
Position
Wellington Management added2025-11-14
+1,383,203 shares · 2025Q3
Position
John Rogers (Ariel Investments) trimmed2025-11-14
−141,192 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+448,300 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−2,356,303 shares · 2025Q3
Position
Ray Dalio (Bridgewater Associates) trimmed2025-11-13
−235,416 shares · 2025Q3
Position
Jeremy Grantham (GMO) opened position2025-11-13
+12,406 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−467,795 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for GNTX →

Follow-the-investor returns

If you'd copied each holder of GNTX…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
Mario Gabelli (GAMCO)	2016Q1	$18.44	+22.7%	$5.4M
Norges Bank (Norway SWF)	2016Q1	$21.59	+4.8%	$51.3M
Paul Tudor Jones (Tudor Investment)	2016Q1	$22.75	-0.5%	$7.3M
Ray Dalio (Bridgewater Associates)	2018Q2	$23.82	-5.0%	$29.4M
T. Rowe Price	2016Q1	$23.97	-5.6%	$4.2M
Two Sigma Investments	2016Q3	$24.64	-8.2%	$10.8M
Renaissance Technologies	2016Q3	$24.98	-9.4%	$39.1M
AQR Capital Management	2016Q1	$24.99	-9.5%	$5.3M
Jeremy Grantham (GMO)	2016Q1	$25.11	-9.9%	$1.1M
Ken Griffin (Citadel Advisors)	2016Q1	$25.88	-12.6%	$36.3M
Izzy Englander (Millennium Mgmt)	2016Q2	$26.28	-13.9%	$38.3M
John Rogers (Ariel Investments)	2021Q3	$29.28	-22.7%	$178.5M
Wellington Management	2017Q2	$33.84	-33.1%	$52.1M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions3

Norges Bank (Norway SWF)
+2,267,606
$52.8M
Two Sigma Investments
+477,942
$11.1M
Paul Tudor Jones (Tudor Investment)
+323,434
$7.5M

Added to8

Renaissance Technologies
+768,256
$17.9M
Ken Griffin (Citadel Advisors)
+743,789
$17.3M
John Rogers (Ariel Investments)
+671,848
$15.6M
Ray Dalio (Bridgewater Associates)
+346,559
$8.1M
AQR Capital Management
+58,989
$1.4M
Jeremy Grantham (GMO)
+37,042
$862K
Mario Gabelli (GAMCO)
+13,500
$314K
T. Rowe Price
+10,212
$238

Trimmed2

Wellington Management
−12,527,728
$291.5M
Izzy Englander (Millennium Mgmt)
−46,896
$1.1M

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	14	38,265,144	$60.64B	—
2022Q2	14	39,426,107	$50.88B	—
2022Q3	16	41,636,809	$992.6M	+2
2022Q4	17	40,734,932	$1.11B	+1
2023Q1	18	40,475,156	$1.13B	+1
2023Q2	19	39,487,761	$1.16B	+1
2023Q3	17	35,528,593	$1.16B	-2
2023Q4	16	33,994,598	$1.11B	-1
2024Q1	17	49,644,356	$1.79B	+1
2024Q2	15	52,374,620	$1.77B	-2
2024Q3	16	28,549,686	$847.6M	+1
2024Q4	13	13,144,394	$377.6M	-3
2025Q1	16	25,802,789	$601.2M	+3
2025Q2	13	27,819,366	$611.7M	-3
2025Q3	11	27,187,741	$769.4M	-2
2025Q4	13	20,289,194	$472.1M	+2

Who owns GNTX

13 super-investors · 2025Q4

Tracked stake

20.29M

Combined value

$472M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New3Added8Trim2

#	Manager	Shares	Value	% of book	Last action
1	John Rogers Ariel Investments	7.89M	$184M	2.0%	Added+671.8K
2	Wellington Management	2.30M	$54M	0.0%	Trim−12.53M
3	Norges Bank Norway SWF	2.27M	$53M	0.0%	New+2.27M
4	Renaissance Technologies	1.73M	$40M	0.1%	Added+768.3K
5	Izzy Englander Millennium Mgmt	1.69M	$39M	0.0%	Trim−46.9K
6	Ken Griffin Citadel Advisors	1.60M	$37M	0.0%	Added+743.8K
7	Ray Dalio Bridgewater Associates	1.30M	$30M	0.1%	Added+346.6K
8	Two Sigma Investments	477.9K	$11M	0.0%	New+477.9K
9	Paul Tudor Jones Tudor Investment	323.4K	$8M	0.0%	New+323.4K
10	Mario Gabelli GAMCO	239.0K	$6M	0.1%	Added+13.5K
11	AQR Capital Management	232.4K	$5M	0.0%	Added+59.0K
12	T. Rowe Price	183.8K	$4M	0.0%	Added+10.2K
13	Jeremy Grantham GMO	49.4K	$1M	0.0%	Added+37.0K

Recent moves

20 transactions

TRIMIzzy Englander (Millennium Mgmt)
−46,896 · 2025Q4
ADDKen Griffin (Citadel Advisors)
+743,789 · 2025Q4
TRIMWellington Management
−12,527,728 · 2025Q4
ADDJeremy Grantham (GMO)
+37,042 · 2025Q4
ADDAQR Capital Management
+58,989 · 2025Q4
ADDT. Rowe Price
+10,212 · 2025Q4
NEWTwo Sigma Investments
+477,942 · 2025Q4
NEWPaul Tudor Jones (Tudor Investment)
+323,434 · 2025Q4
ADDRay Dalio (Bridgewater Associates)
+346,559 · 2025Q4
ADDJohn Rogers (Ariel Investments)
+671,848 · 2025Q4
ADDRenaissance Technologies
+768,256 · 2025Q4
NEWNorges Bank (Norway SWF)
+2,267,606 · 2025Q4
ADDMario Gabelli (GAMCO)
+13,500 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−207,402 · 2025Q3
TRIMJohn Rogers (Ariel Investments)
−141,192 · 2025Q3
ADDT. Rowe Price
+11,820 · 2025Q3
ADDWellington Management
+1,383,203 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+1,159,718 · 2025Q3
TRIMAQR Capital Management
−77,652 · 2025Q3
TRIMRay Dalio (Bridgewater Associates)
−235,416 · 2025Q3

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