Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0001532618-15-000004
Filing Date
2015-05-14
Accepted
2015-05-14 15:48:44
Documents
2
Period of Report
2015-03-31
Effectiveness Date
2015-05-14

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 1936
2 sigma_13f_1q2015inftable.html INFORMATION TABLE  
2 sigma_13f_1q2015inftable.xml INFORMATION TABLE 13623
  Complete submission text file 0001532618-15-000004.txt   16781
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)

EIN.: 931092508 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 13F-HR | Act: 34 | File No.: 028-14865 | Film No.: 15862625