Form 13F-HR - Quarterly report filed by institutional managers, Holdings:
SEC Accession No. 0000201772-25-000006
Filing Date
2025-08-12
Accepted
2025-08-12 15:59:57
Documents
2
Period of Report
2025-06-30
Effectiveness Date
2025-08-12

Document Format Files

Seq Description Document Type Size
1 primary_doc.html 13F-HR  
1 primary_doc.xml 13F-HR 2058
2 essex13f2025q2.html INFORMATION TABLE  
2 essex13f2025q2.xml INFORMATION TABLE 156982
  Complete submission text file 0000201772-25-000006.txt   160374
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