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Custom Index Systems’s Allison Transmission ALSN Stock Holding History

Custom Index Systems’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 		$400K Buy
+3,546
New +$430K 0.14% 174
2025
Q2 		– Sell
-3,727
Closed -$357K – 236
2025
Q1 		$357K Sell
3,727
-1,637
-31% -$174K 0.18% 181
2024
Q4 		$580K Sell
5,364
-73
-1% -$7.97K 0.31% 88
2024
Q3 		$522K Sell
5,437
-449
-8% -$38.5K 0.28% 105
2024
Q2 		$447K Buy
+5,886
New +$451K 0.26% 108
2024
Q1 		– Sell
-7,486
Closed -$435K – 247
2023
Q4 		$435K Buy
+7,486
New +$418K 0.27% 95

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

Custom Index Systems's ALSN Position: Q2 2026 in Review

Custom Index Systems opened a new position in Allison Transmission (ALSN) in Q2 2026: 3,546 shares worth $400K. The stake represents 0.14% of the portfolio and ranks #174 among its holdings. This is a return to the name: Custom Index Systems previously reported a position in ALSN as recently as Q1 2025.

Custom Index Systems first reported a position in ALSN in Q4 2023 and has held it in 6 quarters since. The position peaked at $580K in Q4 2024. 571 funds tracked by Wall St. Rank hold ALSN as of Q2 2026.

  • Custom Index Systems held 3,546 shares of Allison Transmission worth $400K as of Q2 2026.
  • Allison Transmission was a new Custom Index Systems position in Q2 2026.
  • Allison Transmission made up 0.14% of Custom Index Systems's portfolio in Q2 2026, its #174 holding.
  • Custom Index Systems first reported a position in Allison Transmission in Q4 2023 and has held it in 6 quarters since.
  • Custom Index Systems's Allison Transmission position peaked at $580K in Q4 2024.
  • 571 funds tracked by Wall St. Rank held Allison Transmission as of Q2 2026.

Based on Custom Index Systems's 13F filing for Q2 2026, filed 14 Aug 2026.