Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0000201772-25-000008
Filing Date
2025-11-06
Accepted
2025-11-06 09:54:44
Documents
2
Period of Report
2025-09-30
Effectiveness Date
2025-11-06

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 2058
2 essex13f2025q3.html INFORMATION TABLE  
2 essex13f2025q3.xml INFORMATION TABLE 157592
  Complete submission text file 0000201772-25-000008.txt   160984
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)

EIN.: 004260191 | State of Incorp.: DE | Fiscal Year End: 1130
Type: 13F-HR | Act: 34 | File No.: 028-00878 | Film No.: 251456629