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Livermore
Livermore
ZHEN

Castleark Management LLC

SEC CIK
0001106832
Latest filing
Aug 14, 2026

GNTX holding history

Gentex Corp in every 13F filed by Castleark Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

GNTX overviewAll 13F holders of GNTXFull Q2 2026 holdings

Shares (Q2 2026)
8,620
Value
$217.8K
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of GNTX by Castleark Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20268,620$217.8K<0.1%00.0%UnchangedHolders
Q1 20268,620$188.3K<0.1%00.0%UnchangedHolders
Q4 20258,620$200.6K<0.1%00.0%UnchangedHolders
Q3 20258,620$243.9K<0.1%00.0%UnchangedHolders
Q2 20258,620$189.6K<0.1%00.0%UnchangedHolders
Q1 20258,620$200.8K<0.1%00.0%UnchangedHolders
Q4 20248,620$247.7K<0.1%00.0%UnchangedHolders
Q3 20248,620$255.9K<0.1%−91,800−91.4%ReducedHolders
Q2 2024100,420$3.39M0.1%−5,860−5.5%ReducedHolders
Q1 2024106,280$3.84M0.2%−12,850−10.8%ReducedHolders
Q4 2023119,130$3.89M0.2%−150−0.1%ReducedHolders
Q3 2023119,280$3.88M0.2%+110,660+1,283.8%AddedHolders
Q2 20238,620$252.2K<0.1%00.0%UnchangedHolders
Q1 20238,620$241.6K<0.1%00.0%UnchangedHolders
Q4 20228,620$235.1K<0.1%00.0%UnchangedHolders
Q3 20228,620$206.0K<0.1%00.0%UnchangedHolders
Q2 20228,620$241.0K<0.1%00.0%UnchangedHolders
Q1 20228,620$251.0K<0.1%00.0%UnchangedHolders
Q4 20218,620$300.0K<0.1%00.0%UnchangedHolders
Q3 20218,620$284.0K<0.1%00.0%UnchangedHolders
Q2 20218,620$285.0K<0.1%00.0%UnchangedHolders
Q1 20218,620$307.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.