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Filing Detail
Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0001532618-13-000004
Filing Date
2013-05-03
Accepted
2013-05-02 19:00:40
Documents
1
Period of Report
2013-03-31
Effectiveness Date
2013-05-03

Document Format Files

Seq Description Document Type Size
1 SIGMA 13F Q12013 sigma_13f_1q13.txt 13F-HR 5637
  Complete submission text file 0001532618-13-000004.txt   6631
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.: 13809710