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Birch Hill Investment Advisors LLC

Position in GNTX — Gentex Corp

CIK 1424177 Boston, MA

Position in GNTX

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$3,758,356
+$394,549 QoQ
Shares Held
148,728
-3.4% QoQ
Ownership
0.071%
of shares outstanding
% of Portfolio
0.17%
of 13F equity value
Holder Rank
#134
of 531 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in GNTX Over Time

Shares Held

Position Value (USD)

Position in Auto Parts

Consumer Cyclical · as of Jun 30, 2026

Birch Hill Investment Advisors LLC holds $4,093,284 across 2 Auto Parts names. GNTX ranks #1 (91.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 GNTX
Gentex Corp
This page
148,728 $3,758,356

All Filings in GNTX

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,758,356 148,728
2026-03-31 $3,363,807 153,950
2025-12-31 $3,909,080 167,988
2025-09-30 $5,949,990 210,247
2025-06-30 $5,130,157 233,295
2025-03-31 $7,380,391 316,755
2024-12-31 $14,263,008 496,450
2024-09-30 $16,200,882 545,668
2024-06-30 $21,066,491 624,933
2024-03-31 $23,595,606 653,256
2023-12-31 $27,554,098 843,665
2023-09-30 $33,271,401 1,022,477
2023-06-30 $33,403,040 1,141,594
2023-03-31 $34,540,444 1,232,267
2022-12-31 $39,677,359 1,454,982
2022-09-30 $38,559,435 1,617,426
2022-06-30 $45,726,698 1,634,848
2022-03-31 $47,646,307 1,633,401
2021-12-31 $58,089,408 1,666,841
2021-09-30 $55,129,433 1,671,602
2021-06-30 $53,731,773 1,623,807
2021-03-31 $58,114,705 1,629,232
2020-12-31 $56,088,766 1,653,073
2020-09-30 $42,159,316 1,637,255
2020-06-30 $41,106,113 1,595,115
2020-03-31 $36,693,636 1,655,850