Driehaus Capital Management’s Allison Transmission ALSN Stock Holding History

Driehaus Capital Management’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 Q1	$25.7M	Buy	219,126 +76,007	+53%	+$8.64M	0.19%	168
2025 Q4	$14M	Buy	+143,119	New	+$12.5M	0.1%	250
2025 Q2	–	Sell	-216,502	Closed	-$20.7M	–	421
2025 Q1	$20.7M	Sell	216,502 -288,819	-57%	-$30.6M	0.2%	151
2024 Q4	$54.6M	Buy	505,321 +24,811	+5%	+$2.71M	0.45%	78
2024 Q3	$46.2M	Buy	+480,510	New	+$41.2M	0.4%	85
2020 Q1	–	Sell	-6,170	Closed	-$298K	–	401
2019 Q4	$298K	Buy	+6,170	New	+$287K	0.01%	456
2014 Q3	–	Sell	-16,687	Closed	-$519K	–	527
2014 Q2	$519K	Sell	16,687 -7,652	-31%	-$231K	0.02%	501
2014 Q1	$729K	Buy	+24,339	New	+$705K	0.02%	426

Other funds holding ALSN

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

LSV Asset Management Chicago, Illinois $46.4B AUM 27.74% 1-Year Est. Return

First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

Driehaus Capital Management's ALSN Position: Q1 2026 in Review

Driehaus Capital Management increased its Allison Transmission (ALSN) stake by 53% in Q1 2026, buying an estimated $8.64M and bringing the position to 219,126 shares worth $25.7M. The position accounts for 0.19% of the portfolio, ranked #168.

Driehaus Capital Management first reported a position in ALSN in Q1 2014 and has held it in 8 quarters since. The position peaked at $54.6M in Q4 2024. 553 funds tracked by Wall St. Rank hold ALSN as of Q1 2026.

Driehaus Capital Management held 219,126 shares of Allison Transmission worth $25.7M as of Q1 2026.
Driehaus Capital Management bought 76,007 Allison Transmission shares in Q1 2026, an estimated $8.64M.
Allison Transmission made up 0.19% of Driehaus Capital Management's portfolio in Q1 2026, its #168 holding.
Driehaus Capital Management first reported a position in Allison Transmission in Q1 2014 and has held it in 8 quarters since.
Driehaus Capital Management's Allison Transmission position peaked at $54.6M in Q4 2024.
553 funds tracked by Wall St. Rank held Allison Transmission as of Q1 2026.

Based on Driehaus Capital Management's 13F filing for Q1 2026, filed 15 May 2026.