NYSE: ALSN
Allison Transmission Holdings Inc Stock Ownership - Who owns Allison Transmission Holdings?

Insider buying vs selling

Have Allison Transmission Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
G. Frederick BohleyOfficer2026-06-04242$118.38
$28.65kSell
Scott A. MellCFO Treasurer2026-05-081,337$125.00
$167.13kSell
Scott A. MellCFO Treasurer2026-05-081,337$89.41
$119.54kBuy
Scott A. MellCFO Treasurer2026-05-08933$125.00
$116.63kSell
Scott A. MellCFO Treasurer2026-04-14879$128.26
$112.74kSell
Eric C. ScrogginsCLO Asst. Secretary2026-03-091,313$114.40
$150.21kSell
Eric C. ScrogginsCLO Asst. Secretary2026-02-281,598$125.30
$200.23kSell
David S. GraziosiChair President and CEO2026-02-2834,713$125.30
$4.35MSell
G. Frederick BohleyOfficer2026-02-287,580$125.30
$949.77kSell
Eric C. ScrogginsCLO Asst. Secretary2026-02-22283$118.85
$33.63kSell

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Net Insider Buy/Sell (L12M) Ownership

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ALSN Shareholders

What type of owners hold Allison Transmission Holdings Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Onex Partners LLC108.95%90,356,249$10.67BInsider
Carlyle Group Management LLC97.27%80,670,000$9.53BInsider
Tcg Holdings LLC90.85%75,348,750$8.90BInsider
William R. Harker18.11%15,018,475$1.77BInsider
Fmr LLC15.01%12,450,911$1.47BInstitution
Gregory P. Spivy12.70%10,532,129$1.24BInsider
Onex Partners GP Inc6.42%5,321,249$628.60MInsider
Onex Corp6.42%5,321,249$628.60MInsider
James A. Star5.10%4,228,547$499.52MInsider
Vanguard Portfolio Management LLC5.05%4,188,911$494.84MInstitution

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ALSN vs Auto Part Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALSN22.44%77.56%Net SellingNet Selling
APTV79.19%20.81%Net SellingNet Selling
MOD93.12%6.88%Net SellingNet Selling
ALV66.15%4.91%Net SellingNet Selling
MBLY21.68%10.83%Net BuyingNet Buying

Allison Transmission Holdings Stock Ownership FAQ

Who owns Allison Transmission Holdings?

Allison Transmission Holdings (NYSE: ALSN) is owned by 101.45% institutional shareholders, 350.67% Allison Transmission Holdings insiders, and 0.00% retail investors. Onex Partners LLC is the largest individual Allison Transmission Holdings shareholder, owning 90.36M shares representing 108.95% of the company. Onex Partners LLC's Allison Transmission Holdings shares are currently valued at $10.67B.

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