ALSN: Allison Transmission Holdings Inc insider trading, 5% holders and institutional ownership
From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.
Insider trading
0 open-market buys totaling - and 0 sales totaling - in the last 180 days.
Activist and 5% holders
| Filed | What | Holder | Stake | Change | Filing |
|---|---|---|---|---|---|
| 2026-07-31 | Fell below 5% | Vanguard Portfolio Management | 4.82% | SEC |
Institutional ownership (Q2 2026)
573 institutions reported holding $9.25B of Allison Transmission Holdings Inc on Form 13F (556 the quarter before). 77 opened a new position and 57 sold out. Shares held by institutions: +1%.
| Largest holders | Shares | Value |
|---|---|---|
| FMR LLC | 12,417,518 | $1.40B |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,985,544 | $449.33M |
| BlackRock, Inc. | 3,975,802 | $448.23M |
| VANGUARD CAPITAL MANAGEMENT LLC | 3,742,337 | $421.91M |
| Boston Partners | 3,176,528 | $358.16M |
| FULLER & THALER ASSET MANAGEMENT, INC. | 2,622,104 | $295.62M |
| GEODE CAPITAL MANAGEMENT, LLC | 2,027,981 | $228.68M |
| RENAISSANCE TECHNOLOGIES LLC | 1,938,997 | $218.60M |
| DIMENSIONAL FUND ADVISORS LP | 1,917,523 | $216.21M |
| LONDON CO OF VIRGINIA | 1,824,581 | $205.70M |
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