WILLIAMS COS INC

Ticker: WMB CUSIP: 969457100 Class: COM

MAIRS & POWER INC's Holding History (CIK: 0001070134)

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

Q2 2013
Shares 26,000 Value ($000) $844 Avg Close $18.03 Range $15.77 - $19.26