| Amount | Holding |
|---|---|
| 6.79% | Norfolk Southern Corporation |
| 6.33% | Union Pacific Corporation |
| 5.36% | Kansas City Southern |
| 5.29% | FedEx Corporation |
| 4.10% | United Parcel Service, Inc |
| 4.09% | J.B. Hunt Transport Services, Inc |
| 3.99% | Landstar System, Inc |
| 3.13% | Kirby Corporation |
| 3.08% | United Airlines Holdings, Inc |