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GAMCO Investors’s Allison Transmission ALSN Stock Holding History

GAMCO Investors’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 		$597K Sell
5,293
-1,180
-18% -$143K 0.01% 703
2026
Q1 		$758K Buy
6,473
+100
+2% +$11.4K 0.01% 671
2025
Q4 		$624K Sell
6,373
-84
-1% -$7.36K 0.01% 754
2025
Q3 		$548K Buy
6,457
+679
+12% +$60.4K 0.01% 789
2025
Q2 		$549K Buy
+5,778
New +$558K 0.01% 797

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

GAMCO Investors's ALSN Position: Q2 2026 in Review

GAMCO Investors reduced its Allison Transmission (ALSN) stake by 18% in Q2 2026, selling an estimated $143K and leaving 5,293 shares worth $597K. The position accounts for 0.01% of the portfolio, ranked #703.

GAMCO Investors first reported a position in ALSN in Q2 2025 and has held it in 5 quarters since. The position peaked at $758K in Q1 2026. 572 funds tracked by Wall St. Rank hold ALSN as of Q2 2026.

  • GAMCO Investors held 5,293 shares of Allison Transmission worth $597K as of Q2 2026.
  • GAMCO Investors sold 1,180 Allison Transmission shares in Q2 2026, an estimated $143K.
  • Allison Transmission made up 0.01% of GAMCO Investors's portfolio in Q2 2026, its #703 holding.
  • GAMCO Investors first reported a position in Allison Transmission in Q2 2025 and has held it in 5 quarters since.
  • GAMCO Investors's Allison Transmission position peaked at $758K in Q1 2026.
  • 572 funds tracked by Wall St. Rank held Allison Transmission as of Q2 2026.

Based on GAMCO Investors's 13F filing for Q2 2026, filed 12 Aug 2026.