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Filing Detail
Form SC 13G - Statement of acquisition of beneficial ownership by individuals:
SEC Accession No. 0001193125-11-029753
Filing Date
2011-02-10
Accepted
2011-02-10 07:17:26
Documents
1

Document Format Files

Seq Description Document Type Size
1 NORTHWESTERN CORP dsc13g.txt SC 13G 35484
  Complete submission text file 0001193125-11-029753.txt   37677
Mailing Address 3010 W 69TH STREET SIOUX FALLS SD 57108
Business Address 3010 W 69TH STREET SIOUX FALLS SD 57108 6059782908
NORTHWESTERN CORP (Subject) CIK: 0000073088 (see all company filings)

IRS No.: 460172280 | State of Incorp.: DE | Fiscal Year End: 1231
Type: SC 13G | Act: 34 | File No.: 005-36015 | Film No.: 11589265
SIC: 4931 Electric & Other Services Combined

Mailing Address 875 EAST WISCONSIN AVE STE 800 MILWAUKEE WI 53202
Business Address 875 EAST WISCONSIN AVE STE 800 MILWAUKEE WI 53202 414-390-6100
ARTISAN PARTNERS HOLDINGS LP (Filed by) CIK: 0001010643 (see all company filings)

IRS No.: 391807188 | Fiscal Year End: 1231
Type: SC 13G