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Filing
13F-HR
13F-HR
0001532618-17-000007
·
Sigma Investment Management Co
Filer
Filing index
Filing metadata
Accession number
0001532618-17-000007
Form type
13F-HR
Filer
Sigma Investment Management Co
CIK
CIK 1532618
Filed
Nov 03, 2017
Reporting period
Sep 30, 2017
Description
Institutional holdings
Documents
Filing index
0001532618-17-000007-index.htm
Complete submission
0001532618-17-000007.txt
All documents
directory listing
Filed by
Sigma Investment Management Co
CIK 1532618
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