Interactions with owners that are not fundraisers are stripped off the record when being recorded in the data warehouse.
We're currently evaluating this issue for a fix in a future release.
Steps to Duplicate
1. Search for a Constituent that is not a fundraiser 3. Click tab Documentation and Interactions 4. Click tab Interactions 5. Add Interactions 6. Search Owner (note this is a list of all constituents) 7. Choose a Constituent that is not a fundraiser 9. Note in data warehouse that this interaction does not show