Hudson Bay Capital Management’s Allison Transmission ALSN Stock Holding History

Hudson Bay 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	$4.15M	Buy	+35,463	New	+$4.03M	0.01%	564
2025 Q2	–	Sell	-10,000	Closed	-$957K	–	1359
2025 Q1	$957K	Buy	+10,000	New	+$1.06M	﹤0.01%	931
2022 Q2	–	Sell	-62,413	Closed	-$2.45M	–	1326
2022 Q1	$2.45M	Buy	+62,413	New	+$2.46M	0.03%	650
2017 Q3	–	Sell	-151,238	Closed	-$5.67M	–	377
2017 Q2	$5.67M	Sell	151,238 -10,663	-7%	-$398K	0.11%	166
2017 Q1	$5.84M	Buy	161,901 +54,873	+51%	+$1.96M	0.08%	239
2016 Q4	$3.61M	Buy	107,028 +86,975	+434%	+$2.71M	0.07%	243
2016 Q3	$575K	Sell	20,053 -52,951	-73%	-$1.49M	0.01%	353
2016 Q2	$2.06M	Buy	+73,004	New	+$2.03M	0.06%	189
2015 Q3	–	Sell	-18,000	Closed	-$527K	–	206
2015 Q2	$527K	Buy	+18,000	New	+$559K	0.02%	204

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

Hudson Bay Capital Management's ALSN Position: Q1 2026 in Review

Hudson Bay Capital Management opened a new position in Allison Transmission (ALSN) in Q1 2026: 35,463 shares worth $4.15M. The stake represents 0.01% of the portfolio and ranks #564 among its holdings. This is a return to the name: Hudson Bay Capital Management previously reported a position in ALSN as recently as Q1 2025.

Hudson Bay Capital Management first reported a position in ALSN in Q2 2015 and has held it in 9 quarters since. The position peaked at $5.84M in Q1 2017. 553 funds tracked by Wall St. Rank hold ALSN as of Q1 2026.

Hudson Bay Capital Management held 35,463 shares of Allison Transmission worth $4.15M as of Q1 2026.
Allison Transmission was a new Hudson Bay Capital Management position in Q1 2026.
Allison Transmission made up 0.01% of Hudson Bay Capital Management's portfolio in Q1 2026, its #564 holding.
Hudson Bay Capital Management first reported a position in Allison Transmission in Q2 2015 and has held it in 9 quarters since.
Hudson Bay Capital Management's Allison Transmission position peaked at $5.84M in Q1 2017.
553 funds tracked by Wall St. Rank held Allison Transmission as of Q1 2026.

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