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Filing Detail
Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0001532618-13-000001
Filing Date
2013-02-11
Accepted
2013-02-11 15:07:07
Documents
1
Period of Report
2012-12-31
Effectiveness Date
2013-02-11

Document Format Files

Seq Description Document Type Size
1 SIGMA 13F Q42012 sigma_13f_4q12.txt 13F-HR 6276
  Complete submission text file 0001532618-13-000001.txt   7270
Mailing Address 121 SW MORRISON STREET SUITE 800 PORTLAND OR 97204
Business Address 121 SW MORRISON STREET SUITE 800 PORTLAND OR 97204 (503) 419-3938
Sigma Investment Management Co (Filer) CIK: 0001532618 (see all company filings)

IRS No.: 931092508 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 13F-HR | Act: 34 | File No.: 028-14865 | Film No.: 13591221