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Filing Detail
Form 13F-HR/A - Quarterly report filed by institutional managers, Holdings: [Amend]
SEC Accession No. 0001532618-13-000006
Filing Date
2013-08-14
Accepted
2013-08-14 13:06:38
Documents
2
Period of Report
2013-03-31
Effectiveness Date
2013-08-14

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR/A  
1 primary_doc.xml 13F-HR/A 2049
2 1Qinftable.html INFORMATION TABLE  
2 1Qinftable.xml INFORMATION TABLE 14958
  Complete submission text file 0001532618-13-000006.txt   18222
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/A | Act: 34 | File No.: 028-14865 | Film No.: 131036530