CenterBook Partners’s Allison Transmission ALSN Stock Holding History

CenterBook Partners’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	$426K	Buy	+3,776	New	+$458K	0.02%	555
2025 Q3	–	Sell	-11,663	Closed	-$1.11M	–	553
2025 Q2	$1.11M	Buy	+11,663	New	+$1.13M	0.06%	324
2025 Q1	–	Sell	-6,681	Closed	-$722K	–	473
2024 Q4	$722K	Buy	+6,681	New	+$729K	0.04%	374
2023 Q1	–	Sell	-6,968	Closed	-$290K	–	386
2022 Q4	$290K	Buy	+6,968	New	+$286K	0.05%	341

Other funds holding ALSN

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $55.1B AUM 45.38% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

CenterBook Partners's ALSN Position: Q2 2026 in Review

CenterBook Partners opened a new position in Allison Transmission (ALSN) in Q2 2026: 3,776 shares worth $426K. The stake represents 0.02% of the portfolio and ranks #555 among its holdings. This is a return to the name: CenterBook Partners previously reported a position in ALSN as recently as Q2 2025.

CenterBook Partners first reported a position in ALSN in Q4 2022 and has held it in 4 quarters since. The position peaked at $1.11M in Q2 2025. 572 funds tracked by Wall St. Rank hold ALSN as of Q2 2026.

CenterBook Partners held 3,776 shares of Allison Transmission worth $426K as of Q2 2026.
Allison Transmission was a new CenterBook Partners position in Q2 2026.
Allison Transmission made up 0.02% of CenterBook Partners's portfolio in Q2 2026, its #555 holding.
CenterBook Partners first reported a position in Allison Transmission in Q4 2022 and has held it in 4 quarters since.
CenterBook Partners's Allison Transmission position peaked at $1.11M in Q2 2025.
572 funds tracked by Wall St. Rank held Allison Transmission as of Q2 2026.

Based on CenterBook Partners's 13F filing for Q2 2026, filed 11 Aug 2026.