MDU RES GROUP INC

Ticker: MDU CUSIP: 552690109 Class: COM

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

Note: Option positions (PUT/CALL) are excluded.

Q4 2019
Shares 1 Value ($000) $0 Avg Close $9.10 Range $8.60 - $9.50