Allison Transmission Holdings
ALSN · NYSE
$109.66−$1.10 (−0.99%)TodayMarket closed ·
Prev close $110.76
Who owns ALSN
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 43.4% of ALSN’s shares.
- Fidelity Management & Research Company LLC13.1%
- Vanguard Portfolio Management, LLC4.8%
- Vanguard Capital Management, LLC4.5%
- BlackRock Institutional Trust Company, N.A.4.2%
- Next 6 largest institutions16.7%
- All other shareholders56.6%
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Management & Research Company LLC | 10.90M | 13.15% |
| Vanguard Portfolio Management, LLC | 3.99M | 4.81% |
| Vanguard Capital Management, LLC | 3.74M | 4.51% |
| BlackRock Institutional Trust Company, N.A. | 3.48M | 4.20% |
| Boston Partners | 3.18M | 3.83% |
| Fuller & Thaler Asset Management Inc. | 2.62M | 3.16% |
| LSV Asset Management | 2.20M | 2.65% |
| Geode Capital Management, L.L.C. | 2.03M | 2.45% |
| Renaissance Technologies LLC | 1.94M | 2.34% |
| Dimensional Fund Advisors, L.P. | 1.92M | 2.31% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| iShares Core S&P Mid-Cap ETF | 2.90M | 3.50% |
| Fuller & Thaler Behavioral Small-Cap Equity Fund | 2.84M | 3.43% |
| Vanguard Total Stock Market Index Fund | 2.64M | 3.18% |
| Fidelity Dividend Growth Fund | 2.04M | 2.46% |
| Vanguard Small-Cap Index Fund | 1.91M | 2.30% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $4.45M (7 trades) of ALSN on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Shivram Krishna | Award | 3 | — |
| HAZNEDAR CAROLANN I | Award | 52 | — |
| Graziosi David S. | Award | 131 | — |
| Price Michael Craig | Award | 38 | — |
| Mell Scott A | Award | 28 | — |
| Perna Gustave | Award | 3 | — |
| BARBOUR D. SCOTT | Award | 3 | — |
| Bohley G Frederick | Award | 35 | — |
| Scroggins Eric C. | Award | 11 | — |
| Altmaier Judy L | Award | 50 | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 2.33M
- Days to cover
- 2.45
- % of shares outstanding
- 2.81%
- Average daily volume
- 951.12K
- Change since last report
- −3.7%
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