| AffectedOrdGrp | 4 fields, 1 group |
| AllocAckGrp | 9 fields, 1 group |
| AllocGrp | 24 fields, 1 group, 5 nested components |
| AttrbGrp | 3 fields, 1 group |
| BidCompReqGrp | 10 fields, 1 group |
| BidCompRspGrp | 15 fields, 1 group, 1 nested component |
| BidDescReqGrp | 12 fields, 1 group |
| ClrInstGrp | 2 fields, 1 group |
| CollInqQualGrp | 2 fields, 1 group |
| CommissionData | 4 fields |
| CompIDReqGrp | 5 fields, 1 group |
| CompIDStatGrp | 7 fields, 1 group |
| ContAmtGrp | 4 fields, 1 group |
| ContraGrp | 6 fields, 1 group |
| CpctyConfGrp | 4 fields, 1 group |
| DiscretionInstructions | 7 fields |
| DlvyInstGrp | 3 fields, 1 group, 1 nested component |
| EvntGrp | 5 fields, 1 group |
| ExecAllocGrp | 7 fields, 1 group |
| ExecCollGrp | 2 fields, 1 group |
| ExecsGrp | 2 fields, 1 group |
| FinancingDetails | 9 fields |
| Hop | 4 fields, 1 group |
| InstrmtGrp | 1 field, 1 group, 1 nested component |
| InstrmtLegExecGrp | 10 fields, 1 group, 3 nested components |
| InstrmtLegGrp | 1 field, 1 group, 1 nested component |
| InstrmtLegIOIGrp | 2 fields, 1 group, 2 nested components |
| InstrmtLegSecListGrp | 3 fields, 1 group, 3 nested components |
| InstrmtMDReqGrp | 1 field, 1 group, 3 nested components |
| InstrmtStrkPxGrp | 1 field, 1 group, 1 nested component |