Gentex Corporation
DE ˙ DB ˙ US3719011096
20,99 € ↑0,52 (2,54%)
2026-06-03
DEL PRIS
SecurityDE:GTX / Gentex Corporation
InstitutionParallel Advisors, LLC
Latest Disclosed Ownership13,534 shares
Latest Disclosed Value $ 314,950
Parallel Advisors, LLC ownership in GTX / Gentex Corporation

On February 11, 2026 - Parallel Advisors, LLC filed a 13F-HR form disclosing ownership of 13,534 shares of Gentex Corporation (DE:GTX) valued at $267,973 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 13, 2025 disclosing 19,753 shares of Gentex Corporation. This represents a change in shares of -31.48% during the quarter. The current value of the position is $284,079 USD.

Parallel Advisors, LLC has a history of taking positions in derivatives of the underlying security (GTX) in the form of stock options. The firm currently holds call options representing 0 of underlying shares valued at $0 USD .

Note: prior versions of this page mistakenly stated that the share values represented the number of options, not the number of underlying shares. For more information on the data backing these reports, please see the SEC document Frequently Asked Questions About Form 13F.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Institutional Put/Call Ratios
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In addition to reporting standard equity and debt issues, institutions with more than 100MM assets under management must also disclose their put and call option holdings. Since put options generally indicate negative sentiment, and call options indicate positive sentiment, we can get a sense of the overall institutional sentiment by plotting the ratio of puts to calls. The chart to the right plots the historical put/call ratio for this instrument.

Using Put/Call Ratio as an indicator of investor sentiment overcomes one of the key deficiencies of using total institutional ownership, which is that a significant amount of assets under management are invested passively to track indices. Passively-managed funds do not typically buy options, so the put/call ratio indicator more closely tracks the sentiment of actively-managed funds.

DE:GTX / Gentex Corporation Historical Put/Call Ratio
Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-02-11 2025-12-31 13F GENTEX Stock 371901109 13,534 -6,219 -31.48 315 -43.83 0.0058
2025-11-13 2025-09-30 13F GENTEX Stock 371901109 19,753 -312 -1.55 559 26.76 0.0102
2025-07-08 2025-06-30 13F GENTEX Stock 371901109 20,065 11,258 127.83 441 115.12 0.0088
2025-04-08 2025-03-31 13F GENTEX Stock 371901109 8,807 -5,645 -39.06 205 -50.60 0.0046
2025-02-10 2024-12-31 13F GENTEX Stock 371901109 14,452 -925 -6.02 415 -8.99 0.0093
2024-11-13 2024-09-30 13F GENTEX Stock 371901109 15,377 -4,590 -22.99 457 -32.24 0.0107
2024-08-08 2024-06-30 13F GENTEX Stock 371901109 19,967 1,569 8.53 673 1.36 0.0172
2024-05-06 2024-03-31 13F GENTEX Stock 371901109 18,398 5,447 42.06 665 57.35 0.0180
2024-02-12 2023-12-31 13F GENTEX Stock 371901109 12,951 -195 -1.48 423 -1.17 0.0125
2024-05-20 2023-09-30 13F/A-1 GENTEX Stock 371901109 13,146 272 2.11 428 13.56 0.0143
2023-11-14 2023-09-30 13F GENTEX Stock 371901109 13,146 272 428 0.0143
2024-05-20 2023-06-30 13F/A-1 GENTEX Stock 371901109 12,874 2,345 22.27 377 27.46 0.0121
2023-08-04 2023-06-30 13F GENTEX Stock 371901109 12,874 2,345 377 0.0121
2024-05-20 2023-03-31 13F/A-1 GENTEX Stock 371901109 10,529 2,046 24.12 295 27.71 0.0100
2023-04-25 2023-03-31 13F GENTEX Stock 371901109 10,529 2,046 295 0.0100
2023-02-06 2022-12-31 13F GENTEX Stock 371901109 8,483 4,636 120.51 231 151.09 0.0100
2022-11-10 2022-09-30 13F GENTEX Stock 371901109 3,847 -875 -18.53 92 -30.30 0.0042
2022-08-01 2022-06-30 13F GENTEX Stock 371901109 4,722 -1,106 -18.98 132 -23.26 0.0061
2022-04-28 2022-03-31 13F GENTEX Stock 371901109 5,828 -37 -0.63 172 -15.69 0.0068
2022-01-20 2021-12-31 13F GENTEX Stock 371901109 5,865 -2,377 -28.84 204 -25.00 0.0076
2021-11-02 2021-09-30 13F/A-1 GENTEX Stock 371901109 8,242 563 7.33 272 7.09 0.0110
2021-08-06 2021-06-30 13F GENTEX Stock 371901109 7,679 -402 -4.97 254 -11.81 0.0108
2021-04-23 2021-03-31 13F GENTEX Stock 371901109 8,081 -478 -5.58 288 -0.69 0.0136
2021-02-02 2020-12-31 13F GENTEX Stock 371901109 8,559 1,442 20.26 290 58.47 0.0157
2020-10-27 2020-09-30 13F GENTEX Stock 371901109 7,117 -372 -4.97 183 -4.69 0.0113
2020-07-16 2020-06-30 13F GENTEX Stock 371901109 7,489 198 2.72 192 19.25 0.0125
2020-04-27 2020-03-31 13F GENTEX Stock 371901109 7,291 2,744 60.35 161 21.97 0.0130
2020-01-30 2019-12-31 13F GENTEX Stock 371901109 4,547 23 0.51 132 5.60 0.0099
2019-11-01 2019-09-30 13F GENTEX Stock 371901109 4,524 -171 -3.64 125 7.76 0.0107
2019-08-05 2019-06-30 13F GENTEX Stock 371901109 4,695 1,838 64.33 116 96.61 0.0113
2019-05-01 2019-03-31 13F GENTEX Stock 371901109 2,857 547 23.68 59 28.26 0.0066
2019-02-05 2018-12-31 13F GENTEX Stock 371901109 2,310 2,031 727.96 46 666.67 0.0064
2018-11-01 2018-09-30 13F GENTEX Stock 371901109 279 0 0.00 6 0.00 0.0007
2018-07-30 2018-06-30 13F GENTEX Stock 371901109 279 137 96.48 6 100.00 0.0009
2018-05-08 2018-03-31 13F GENTEX Stock 371901109 142 -361 -71.77 3 -72.73 0.0005
2018-02-13 2017-12-31 13F GENTEX CORP COM Stock 371901109 503 0 0.00 11 22.22 0.0018
2017-11-15 2017-09-30 13F/A-1 GENTEX CORP COM Stock 371901109 503 0 0.00 9 0.00 0.0015
2017-08-07 2017-06-30 13F GENTEX CORP COM Stock 371901109 503 361 254.23 9 200.00 0.0017
2017-05-12 2017-03-31 13F/A-1 GENTEX CORP COM Stock 371901109 142 0 0.00 3 0.00 0.0006
2017-05-12 2017-03-31 13F GENTEX CORP COM Stock 371901109 142 3
2017-02-14 2016-12-31 13F GENTEX CORP COM Stock 371901109 142 142 3 0.0007
Disclosed Call Options
File
Date
Effective
Date
Form Security Class ID Opt Avg Share
Price
Shares ΔShares
(%)
Value
(x1000)
ΔValue
(%)
Prior Allocation
(%)
Allocation
(%)
ΔAllocation
(%)
Cost Basis
(x1000)
Profit
(x1000)
Return
(%)
2022-01-19 2021-12-31 13F GENTEX Stock Call 0 -100.00 0 -100.00 n/a n/a n/a
2021-10-22 2021-09-30 13F GENTEX Stock Call 7,679 254 n/a n/a n/a
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.