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
Scott A. MellCFO Treasurer2026-04-14879$128.26
$112.74kSell
Eric C. ScrogginsCLO Asst. Secretary2026-03-091,313$114.40
$150.21kSell
David S. GraziosiChair President and CEO2026-02-2834,713$125.30
$4.35MSell
Eric C. ScrogginsCLO Asst. Secretary2026-02-281,598$125.30
$200.23kSell
G. Frederick BohleyOfficer2026-02-287,580$125.30
$949.77kSell
Eric C. ScrogginsCLO Asst. Secretary2026-02-22283$118.85
$33.63kSell
G. Frederick BohleyAllison COOPres.BU Leader AT2026-02-221,294$118.85
$153.79kSell
David S. GraziosiChair President and CEO2026-02-2210,502$118.85
$1.25MSell
Eric C. ScrogginsCLO Asst. Secretary2026-02-21258$118.85
$30.66kSell
G. Frederick BohleyAllison COOPres.BU Leader AT2026-02-21960$118.85
$114.10kSell

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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 LLC109.12%90,356,249$11.54BInsider
Carlyle Group Management LLC97.42%80,670,000$10.30BInsider
Tcg Holdings LLC90.99%75,348,750$9.62BInsider
William R. Harker18.14%15,018,475$1.92BInsider
Fmr LLC14.94%12,371,020$1.58BInstitution
Gregory P. Spivy12.72%10,532,129$1.34BInsider
Vanguard Group Inc10.34%8,562,872$1.09BInstitution
Onex Partners GP Inc6.43%5,321,249$679.52MInsider
Onex Corp6.43%5,321,249$679.52MInsider
James A. Star5.11%4,228,547$539.99MInsider

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ALSN vs Auto Part Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
ALSN22.40%77.60%Net SellingNet Selling
ALV64.71%4.81%Net SellingNet Selling
BWA97.60%2.40%Net SellingNet Selling
APTV80.22%19.78%Net SellingNet Selling
MBLY22.81%10.53%Net Selling

Allison Transmission Holdings Stock Ownership FAQ

Who owns Allison Transmission Holdings?

Allison Transmission Holdings (NYSE: ALSN) is owned by 101.22% institutional shareholders, 350.66% 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 $11.12B.

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