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

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Allison Transmission Holdings Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
David S. GraziosiCEO;Chair;Pres2026-08-2113,100$132.44
$1.73MSell
David S. GraziosiCEO;Chair;Pres2026-08-2126,708$38.11
$1.02MBuy
David S. GraziosiCEO;Chair;Pres2026-08-214,558$134.05
$610.99kSell
David S. GraziosiCEO;Chair;Pres2026-08-219,050$133.21
$1.21MSell
Eric C. ScrogginsCLO;Sec2026-08-111,050$125.00
$131.25kSell
G. Frederick BohleyOfficer2026-08-103,961$37.11
$146.99kBuy
G. Frederick BohleyOfficer2026-08-103,961$122.38
$484.75kSell
G. Frederick BohleyOfficer2026-06-04242$118.38
$28.65kSell
Scott A. MellCFO Treasurer2026-05-081,337$125.00
$167.13kSell
Scott A. MellCFO Treasurer2026-05-08933$125.00
$116.63kSell

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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 LLC109.42%90,356,249$11.06BInsider
Carlyle Group Management LLC97.69%80,670,000$9.87BInsider
Tcg Holdings LLC91.25%75,348,750$9.22BInsider
William R. Harker18.19%15,018,475$1.84BInsider
Gregory P. Spivy12.75%10,532,129$1.29BInsider
Onex Partners GP Inc6.44%5,321,249$651.32MInsider
Onex Corp6.44%5,321,249$651.32MInsider
James A. Star5.12%4,228,547$517.57MInsider
New Pco Investments Ltd1.65%1,363,096$166.84MInsider
New Pco II Investments Ltd1.23%1,012,096$123.88MInsider

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ALSN vs Auto Part Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALSN0.03%99.97%Net SellingNet Selling
MOD0.10%7.72%Net SellingNet Selling
APTV0.10%25.01%Net SellingNet Buying
ALV0.07%4.91%Net Selling
BWA0.11%2.49%Net SellingNet Selling
View Top Auto Part Stocks

Allison Transmission Holdings Stock Ownership FAQ

Who owns Allison Transmission Holdings?

Allison Transmission Holdings (NYSE: ALSN) is owned by 0.10% institutional shareholders, 352.19% 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 109.42% of the company. Onex Partners LLC's Allison Transmission Holdings shares are currently valued at $10.72B.

If you're new to stock investing, here's how to buy Allison Transmission Holdings stock.
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