Mariner
ALSN icon

Mariner’s Allison Transmission ALSN Stock Holding History

Mariner’s Portfolio ALSN Stock Details ALSN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-19,744
Closed -$2.31M – 3530
2026
Q1 		$2.31M Sell
19,744
-3,801
-16% -$432K ﹤0.01% 1456
2025
Q4 		$2.31M Buy
23,545
+9,903
+73% +$868K ﹤0.01% 1413
2025
Q3 		$1.16M Buy
13,642
+2,691
+25% +$239K ﹤0.01% 1793
2025
Q2 		$1.04M Buy
10,951
+3,908
+55% +$378K ﹤0.01% 1755
2025
Q1 		$674K Buy
7,043
+2,182
+45% +$232K ﹤0.01% 1961
2024
Q4 		$525K Buy
4,861
+1,032
+27% +$113K ﹤0.01% 2157
2024
Q3 		$368K Buy
3,829
+64
+2% +$5.49K ﹤0.01% 2398
2024
Q2 		$286K Buy
3,765
+302
+9% +$23.1K ﹤0.01% 2489
2024
Q1 		$281K Buy
+3,463
New +$233K ﹤0.01% 2496
2023
Q4 		– Sell
-3,583
Closed -$212K – 3044
2023
Q3 		$212K Sell
3,583
-7
-0.2% -$412 ﹤0.01% 2456
2023
Q2 		$203K Buy
+3,590
New +$177K ﹤0.01% 2456

Other funds holding ALSN

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
LSV Asset Management
LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Mariner's ALSN Position: Q2 2026 in Review

Mariner sold out of Allison Transmission (ALSN) in Q2 2026, closing a stake of 19,744 shares — an estimated $2.31M sold.

Mariner first reported a position in ALSN in Q2 2023 and held it in 11 quarters. The position peaked at $2.31M in Q1 2026. 571 funds tracked by Wall St. Rank hold ALSN as of Q2 2026.

  • Mariner reported no remaining Allison Transmission position as of Q2 2026 after selling out during the quarter.
  • Mariner sold 19,744 Allison Transmission shares in Q2 2026, an estimated $2.31M.
  • Mariner first reported a position in Allison Transmission in Q2 2023 and held it in 11 quarters.
  • Mariner's Allison Transmission position peaked at $2.31M in Q1 2026.
  • 571 funds tracked by Wall St. Rank held Allison Transmission as of Q2 2026.

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