| Amount | Holding |
|---|---|
| 12.00% | Norfolk Southern Corporation |
| 11.24% | Union Pacific Corporation |
| 10.02% | Kansas City Southern |
| 8.87% | FedEx Corporation |
| 7.76% | J.B. Hunt Transport Services, Inc |
| 7.42% | Landstar System, Inc |
| 6.92% | United Parcel Service, Inc |
| 5.42% | C.H. Robinson Worldwide, Inc |
| 5.06% | Expeditors International of Washington, Inc |
| 4.70% | CSX Corporation |