Current Market Value 549,965,759
Current Holdings 298
Most Recent File Date 2025-08-12
Total Filings on Record 50
SEC Form 13F Filing History

This page shows a list of all the recent 13F filings made by Essex Investment Management Co Llc . Form 13F is required to be filed within 45 days of the end of a calendar quarter. The Form 13F report requires disclosure of the manager that files the report, the name and class of the security, the CUSIP number, the number of shares as of the end of the calendar quarter for which the report is filed, and the total market value. The market value column should not be used as a substitute for Assets Under Management (AUM), as it does not include cash held in accounts.

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File Date Reporting Period Form Amendment Holdings Reported Value
($1000)
2025-08-12 2025-06-30 13F-HR 298 549,966
2025-05-07 2025-03-31 13F-HR 303 479,359
2025-02-07 2024-12-31 13F-HR 307 556,147
2024-10-10 2024-09-30 13F-HR 302 573,676
2024-08-12 2024-06-30 13F-HR 302 534,704
2024-05-03 2024-03-31 13F-HR 306 506,690
2024-02-08 2023-12-31 13F-HR 315 507,937
2023-11-09 2023-09-30 13F-HR 356 612,715
2023-08-14 2023-06-30 13F-HR 369 716,190
2023-05-04 2023-03-31 13F-HR 386 687,999
2023-02-03 2022-12-31 13F-HR 395 642
2022-11-14 2022-09-30 13F-HR 411 626,528
2022-08-12 2022-06-30 13F-HR 423 619,031
2022-05-09 2022-03-31 13F-HR 391 802,424
2022-02-10 2021-12-31 13F-HR 405 873,286
2021-11-09 2021-09-30 13F-HR 419 815,166
2021-08-12 2021-06-30 13F-HR 419 860,007
2021-05-12 2021-03-31 13F-HR 445 820,022
2021-02-12 2020-12-31 13F-HR 481 805,525
2020-11-12 2020-09-30 13F-HR 479 698,737
2020-08-04 2020-06-30 13F-HR 422 610,014
2020-05-04 2020-03-31 13F-HR 392 493,853
2020-02-10 2019-12-31 13F-HR 474 813,227
2019-10-22 2019-09-30 13F-HR 467 692,818
2019-08-15 2019-06-30 13F-HR 476 728,649
2019-05-15 2019-03-31 13F-HR 480 676,970
2019-02-07 2018-12-31 13F-HR/A 1 N 476 637,140
2019-02-06 2018-12-31 13F-HR 475 636,854
2018-10-16 2018-09-30 13F-HR 398 850,918
2018-07-17 2018-06-30 13F-HR 396 798,884
2018-04-26 2018-03-31 13F-HR 367 760,544
2018-02-05 2017-12-31 13F-HR 355 758,323
2017-10-30 2017-09-30 13F-HR 353 735,807
2017-07-28 2017-06-30 13F-HR 340 698,749
2017-04-27 2017-03-31 13F-HR 346 638,152
2017-02-08 2016-12-31 13F-HR 339 607,191
2016-11-01 2016-09-30 13F-HR 331 620,879
2016-07-27 2016-06-30 13F-HR 314 600,742
2016-05-09 2016-03-31 13F-HR 312 583,550
2016-01-26 2015-12-31 13F-HR 309 639,766
2015-11-04 2015-09-30 13F-HR 318 608,906
2015-07-28 2015-06-30 13F-HR 312 662,203
2015-05-06 2015-03-31 13F-HR 316 714,665
2015-01-27 2014-12-31 13F-HR 0 0
2014-10-29 2014-09-30 13F-HR 355 653,505
2014-07-23 2014-06-30 13F-HR 354 678,918
2014-04-28 2014-03-31 13F-HR 344 686,832
2014-01-28 2013-12-31 13F-HR 360 707,369
2013-10-25 2013-09-30 13F-HR 356 659,672
2013-08-14 2013-06-30 13F-HR 333 566,765