Allison Transmission Holdings, Inc. (ALSN) ownership: Top institutional holder: FMR LLC ($1.46B). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| FMR LLC | 12450911.00 | $1.46B | 2026-03-31 |
| VANGUARD GROUP INC | 8562872.00 | $838.31M | 2025-12-31 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4188911.00 | $490.35M | 2026-03-31 |
| BlackRock, Inc. | 3788793.00 | $443.52M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3713695.00 | $434.73M | 2026-03-31 |
| FULLER & THALER ASSET MANAGEMENT, INC. | 3394635.00 | $397.38M | 2026-03-31 |
| Boston Partners | 2856610.00 | $334.40M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 2260397.00 | $264.60M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-08-11 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-08-10 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.