Mariner
GNTX icon

Mariner’s Gentex GNTX Stock Holding History

Mariner’s Portfolio GNTX Stock Details GNTX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.33M Sell
52,516
-54,239
-51% -$1.28M ﹤0.01% 1743
2026
Q1 		$2.33M Buy
106,755
+35,212
+49% +$816K ﹤0.01% 1448
2025
Q4 		$1.67M Buy
71,543
+5,100
+8% +$123K ﹤0.01% 1608
2025
Q3 		$1.88M Buy
66,443
+19,684
+42% +$523K ﹤0.01% 1480
2025
Q2 		$1.03M Buy
46,759
+9,282
+25% +$203K ﹤0.01% 1763
2025
Q1 		$873K Sell
37,477
-9,418
-20% -$241K ﹤0.01% 1787
2024
Q4 		$1.35M Sell
46,895
-10,692
-19% -$320K ﹤0.01% 1450
2024
Q3 		$1.71M Buy
57,587
+6,369
+12% +$198K ﹤0.01% 1276
2024
Q2 		$1.73M Buy
51,218
+18,509
+57% +$639K ﹤0.01% 1188
2024
Q1 		$1.18M Buy
32,709
+7,286
+29% +$252K ﹤0.01% 1401
2023
Q4 		$830K Buy
25,423
+1,061
+4% +$32.8K ﹤0.01% 1569
2023
Q3 		$793K Buy
24,362
+2,088
+9% +$66.9K ﹤0.01% 1464
2023
Q2 		$652K Buy
22,274
+2,088
+10% +$57.6K ﹤0.01% 1564
2023
Q1 		$566K Buy
20,186
+3,563
+21% +$100K ﹤0.01% 1613
2022
Q4 		$453K Sell
16,623
-718
-4% -$19.2K ﹤0.01% 1719
2022
Q3 		$413K Buy
17,341
+693
+4% +$19K ﹤0.01% 1535
2022
Q2 		$465K Buy
16,648
+5,585
+50% +$163K ﹤0.01% 1154
2022
Q1 		$323K Buy
+11,063
New +$344K ﹤0.01% 1270
2018
Q4 		– Sell
-9,368
Closed -$201K – 867
2018
Q3 		$201K Buy
+9,368
New +$217K 0.01% 770

Other funds holding GNTX

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $304B AUM 35.64% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Mariner's GNTX Position: Q2 2026 in Review

Mariner reduced its Gentex (GNTX) stake by 51% in Q2 2026, selling an estimated $1.28M and leaving 52,516 shares worth $1.33M. The position accounts for ﹤0.01% of the portfolio, ranked #1743.

Mariner first reported a position in GNTX in Q3 2018 and has held it in 19 quarters since. The position peaked at $2.33M in Q1 2026. 531 funds tracked by Wall St. Rank hold GNTX as of Q2 2026.

  • Mariner held 52,516 shares of Gentex worth $1.33M as of Q2 2026.
  • Mariner sold 54,239 Gentex shares in Q2 2026, an estimated $1.28M.
  • Gentex made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #1743 holding.
  • Mariner first reported a position in Gentex in Q3 2018 and has held it in 19 quarters since.
  • Mariner's Gentex position peaked at $2.33M in Q1 2026.
  • 531 funds tracked by Wall St. Rank held Gentex as of Q2 2026.

Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.