CANADIAN NAT RES LTD

Ticker: CNQ CUSIP: 136385101 Class: Common Stock

OSTERWEIS CAPITAL MANAGEMENT INC's Holding History (CIK: 0001007524)

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

Q2 2013
Shares 650 Value ($000) $18 Avg Close $8.76 Range $8.00 - $9.57