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Filing Detail
Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0000201772-21-000001
Filing Date
2021-02-12
Accepted
2021-02-12 16:52:54
Documents
2
Period of Report
2020-12-31
Effectiveness Date
2021-02-12

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 1932
2 essex13f2020q4.html INFORMATION TABLE  
2 essex13f2020q4.xml INFORMATION TABLE 253897
  Complete submission text file 0000201772-21-000001.txt   257136
Mailing Address 125 HIGH STREET SUITE 1803 BOSTON MA 02110
Business Address 125 HIGH STREET SUITE 1803 BOSTON MA 02110 6174824870
ESSEX INVESTMENT MANAGEMENT CO LLC (Filer) CIK: 0000201772 (see all company filings)

IRS No.: 004260191 | State of Incorp.: DE | Fiscal Year End: 1130
Type: 13F-HR | Act: 34 | File No.: 028-00878 | Film No.: 21628869