ESSEX INVESTMENT MANAGEMENT COMPANY, LLC

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Type
Submitted
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
05/07/2025
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker40416E103 Stock NameHCI GROUP INC $ Position$11.6 b % Position2.00 % $ Change21.00 % # Shares77,870 # Change-5.00 %
Stock Ticker50077B207 Stock NameKRATOS DEFENSE & SEC SOLUTIONS $ Position$10.5 b % Position2.00 % $ Change8.00 % # Shares354,667 # Change-4.00 %
Stock Ticker52661A108 Stock NameLEONARDO DRS INC $ Position$8.4 b % Position2.00 % $ Change1.00 % # Shares255,859 # Change-1.00 %
Stock Ticker40171V100 Stock NameGUIDEWIRE SOFTWARE INC $ Position$7.3 b % Position2.00 % $ Change-1.00 % # Shares38,831 # Change-11.00 %
Stock Ticker053604104 Stock NameAVEPOINT INC $ Position$7.5 b % Position2.00 % $ Change-17.00 % # Shares519,629 # Change-5.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
02/07/2025
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker030111207 Stock NameAMERICAN SUPERCONDUCTOR CORP $ Position$10.6 b % Position2.00 % $ Change-3.00 % # Shares429,876 # Change-7.00 %
Stock Ticker037833100 Stock NameAPPLE INC $ Position$10.4 b % Position2.00 % $ Change6.00 % # Shares41,640 # Change-1.00 %
Stock Ticker053604104 Stock NameAVEPOINT INC $ Position$9.0 b % Position2.00 % $ Change29.00 % # Shares545,745 # Change-8.00 %
Stock Ticker40416E103 Stock NameHCI GROUP INC $ Position$9.6 b % Position2.00 % $ Change1.00 % # Shares82,335 # Change-7.00 %
Stock Ticker50077B207 Stock NameKRATOS DEFENSE & SEC SOLUTIONS $ Position$9.7 b % Position2.00 % $ Change4.00 % # Shares368,108 # Change-9.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
10/10/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker030111207 Stock NameAMERICAN SUPERCONDUCTOR CORP $ Position$11.0 b % Position2.00 % $ Change-19.00 % # Shares464,506 # Change-20.00 %
Stock Ticker037833100 Stock NameAPPLE INC $ Position$9.8 b % Position2.00 % $ Change-15.00 % # Shares42,234 # Change-23.00 %
Stock Ticker98956A105 Stock NameZETA GLOBAL HOLDINGS CORP $ Position$9.1 b % Position2.00 % $ Change69.00 % # Shares306,305 # Change0.00 %
Stock Ticker40416E103 Stock NameHCI GROUP INC $ Position$9.5 b % Position2.00 % $ Change14.00 % # Shares88,579 # Change-2.00 %
Stock Ticker50077B207 Stock NameKRATOS DEFENSE & SEC SOLUTIONS $ Position$9.4 b % Position2.00 % $ Change15.00 % # Shares402,531 # Change-1.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type N-PX Submitted
09/13/2024
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
08/12/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker030111207 Stock NameAMERICAN SUPERCONDUCTOR CORP $ Position$13.5 b % Position3.00 % $ Change71.00 % # Shares577,626 # Change-1.00 %
Stock Ticker037833100 Stock NameAPPLE INC $ Position$11.6 b % Position2.00 % $ Change8.00 % # Shares55,099 # Change-12.00 %
Stock Ticker50077B207 Stock NameKRATOS DEFENSE & SEC SOLUTIONS $ Position$8.2 b % Position2.00 % $ Change25.00 % # Shares407,618 # Change14.00 %
Stock Ticker52661A108 Stock NameLEONARDO DRS INC $ Position$9.5 b % Position2.00 % $ Change32.00 % # Shares373,996 # Change15.00 %
Stock Ticker40416E103 Stock NameHCI GROUP INC $ Position$8.4 b % Position2.00 % $ Change-20.00 % # Shares90,609 # Change0.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
05/03/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker037833100 Stock NameAPPLE INC $ Position$10.7 b % Position2.00 % $ Change-19.00 % # Shares62,558 # Change-9.00 %
Stock Ticker030111207 Stock NameAMERICAN SUPERCONDUCTOR CORP $ Position$7.9 b % Position2.00 % $ Change13.00 % # Shares583,924 # Change-6.00 %
Stock Ticker40416E103 Stock NameHCI GROUP INC $ Position$10.5 b % Position2.00 % $ Change-13.00 % # Shares90,487 # Change-34.00 %
Stock Ticker594918104 Stock NameMICROSOFT CORP $ Position$10.8 b % Position2.00 % $ Change0.00 % # Shares25,569 # Change-11.00 %
Stock Ticker65339F101 Stock NameNEXTERA ENERGY INC $ Position$8.6 b % Position2.00 % $ Change50.00 % # Shares134,634 # Change43.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
02/08/2024
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$13.2 b % Position3.00 % $ Change-6.00 % # Shares68,784 # Change-16.00 %
Stock Ticker859241101 Stock NameSTERLING INFRASTRUCTURE INC CO $ Position$13.4 b % Position3.00 % $ Change-2.00 % # Shares152,294 # Change-18.00 %
Stock Ticker79466L302 Stock NameSALESFORCE INC COM $ Position$7.9 b % Position2.00 % $ Change8.00 % # Shares30,205 # Change-17.00 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$10.8 b % Position2.00 % $ Change-6.00 % # Shares28,746 # Change-21.00 %
Stock Ticker40416E103 Stock NameHCI GROUP INC COM $ Position$12.1 b % Position2.00 % $ Change17.00 % # Shares138,086 # Change-28.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
11/09/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker40416E103 Stock NameHCI GROUP INC COM $ Position$10.3 b % Position2.00 % $ Change-14.00 % # Shares190,500 # Change-2.00 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$11.5 b % Position2.00 % $ Change-12.00 % # Shares36,538 # Change-5.00 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$14.0 b % Position2.00 % $ Change-14.00 % # Shares81,978 # Change-2.00 %
Stock Ticker859241101 Stock NameSTERLING INFRASTRUCTURE INC CO $ Position$13.7 b % Position2.00 % $ Change-4.00 % # Shares186,802 # Change-27.00 %
Stock Ticker74164F103 Stock NamePRIMORIS SVCS CORP COM $ Position$9.2 b % Position2.00 % $ Change23.00 % # Shares282,449 # Change14.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
08/14/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker253798102 Stock NameDIGI INTL INC COM $ Position$12.1 b % Position2.00 % $ Change16.00 % # Shares306,805 # Change0.00 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$16.3 b % Position2.00 % $ Change5.00 % # Shares83,824 # Change-11.00 %
Stock Ticker859241101 Stock NameSTERLING INFRASTRUCTURE INC CO $ Position$14.2 b % Position2.00 % $ Change23.00 % # Shares254,949 # Change-16.00 %
Stock Ticker40416E103 Stock NameHCI GROUP INC COM $ Position$12.0 b % Position2.00 % $ Change15.00 % # Shares194,557 # Change-1.00 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$13.1 b % Position2.00 % $ Change-8.00 % # Shares38,533 # Change-23.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
05/04/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$14.3 b % Position2.00 % $ Change110414.00 % # Shares49,737 # Change-8.00 %
Stock Ticker859241101 Stock NameSTERLING INFRASTRUCTURE INC CO $ Position$11.6 b % Position2.00 % $ Change113211.00 % # Shares304,995 # Change-2.00 %
Stock Ticker8676EP108 Stock NameSUNOPTA INC COM $ Position$11.6 b % Position2.00 % $ Change105471.00 % # Shares1,503,490 # Change16.00 %
Stock Ticker14843C105 Stock NameCASTLE BIOSCIENCES INC COM $ Position$10.9 b % Position2.00 % $ Change102294.00 % # Shares480,918 # Change6.00 %
Stock Ticker253798102 Stock NameDIGI INTL INC COM $ Position$10.4 b % Position2.00 % $ Change91978.00 % # Shares308,248 # Change0.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
02/03/2023
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$13.0 m % Position2.00 % $ Change1.00 % # Shares54,102 # Change-1.00 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$13.6 m % Position2.00 % $ Change-8.00 % # Shares104,629 # Change-3.00 %
Stock Ticker14843C105 Stock NameCASTLE BIOSCIENCES INC COM $ Position$10.7 m % Position2.00 % $ Change-6.00 % # Shares453,317 # Change4.00 %
Stock Ticker253798102 Stock NameDIGI INTL INC COM $ Position$11.3 m % Position2.00 % $ Change-15.00 % # Shares308,470 # Change-20.00 %
Stock Ticker859241101 Stock NameSTERLING INFRASTRUCTURE INC CO $ Position$10.2 m % Position2.00 % $ Change22.00 % # Shares310,867 # Change-20.00 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
11/14/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$14.8 m % Position2.37 % $ Change0.78 % # Shares107,346 # Change-0.29 %
Stock Ticker8676EP108 Stock NameSUNOPTA INC COM $ Position$13.7 m % Position2.19 % $ Change66.85 % # Shares1,506,955 # Change42.65 %
Stock Ticker253798102 Stock NameDIGI INTL INC COM $ Position$13.3 m % Position2.13 % $ Change35.51 % # Shares385,790 # Change-5.06 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$12.8 m % Position2.04 % $ Change-10.37 % # Shares54,915 # Change-1.16 %
Stock Ticker14843C105 Stock NameCASTLE BIOSCIENCES INC COM $ Position$11.4 m % Position1.82 % $ Change24.16 % # Shares436,635 # Change4.51 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
08/12/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$14.7 m % Position2.38 % $ Change-26.76 % # Shares107,663 # Change-6.46 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$14.3 m % Position2.31 % $ Change-22.99 % # Shares55,559 # Change-7.55 %
Stock Ticker368736104 Stock NameGENERAC HLDGS INC COM $ Position$10.3 m % Position1.67 % $ Change21.26 % # Shares48,947 # Change71.19 %
Stock Ticker253798102 Stock NameDIGI INTL INC COM $ Position$9.8 m % Position1.59 % $ Change155.84 % # Shares406,347 # Change127.33 %
Stock Ticker40416E103 Stock NameHCI GROUP INC COM $ Position$9.5 m % Position1.54 % $ Change284.24 % # Shares140,685 # Change286.59 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
05/09/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$20.1 m % Position2.50 % $ Change-3.88 % # Shares115,101 # Change-2.25 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$18.5 m % Position2.31 % $ Change-10.94 % # Shares60,096 # Change-2.85 %
Stock Ticker04523Y105 Stock NameASPEN AEROGELS INC COM $ Position$17.6 m % Position2.19 % $ Change-6.19 % # Shares510,488 # Change35.45 %
Stock Ticker875372203 Stock NameTANDEM DIABETES CARE INC COM N $ Position$16.5 m % Position2.06 % $ Change26.70 % # Shares142,178 # Change63.99 %
Stock Ticker651639106 Stock NameNEWMONT CORP COM $ Position$12.0 m % Position1.49 % $ Change18.48 % # Shares150,680 # Change-7.52 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
02/10/2022
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$20.9 m % Position2.39 % $ Change24.84 % # Shares117,751 # Change-0.52 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$20.8 m % Position2.38 % $ Change18.87 % # Shares61,858 # Change-0.36 %
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$18.9 m % Position2.16 % $ Change10.52 % # Shares5,657 # Change8.89 %
Stock Ticker04523Y105 Stock NameASPEN AEROGELS INC COM $ Position$18.8 m % Position2.15 % $ Change-14.87 % # Shares376,870 # Change-21.33 %
Stock Ticker875372203 Stock NameTANDEM DIABETES CARE INC COM N $ Position$13.1 m % Position1.49 % $ Change46.56 % # Shares86,697 # Change16.23 %
Adviser HR - ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
11/09/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker04523Y105 Stock NameASPEN AEROGELS INC COM $ Position$22.0 m % Position2.70 % $ Change30.47 % # Shares479,045 # Change-15.15 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$17.5 m % Position2.15 % $ Change4.30 % # Shares62,083 # Change0.22 %
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$17.1 m % Position2.09 % $ Change-4.91 % # Shares5,195 # Change-0.42 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$16.7 m % Position2.05 % $ Change3.07 % # Shares118,368 # Change-0.23 %
Stock Ticker012653101 Stock NameALBEMARLE CORP COM $ Position$11.7 m % Position1.43 % $ Change27.66 % # Shares53,326 # Change-1.79 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
08/12/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$17.9 m % Position2.09 % $ Change1.96 % # Shares5,217 # Change-8.30 %
Stock Ticker04523Y105 Stock NameASPEN AEROGELS INC COM $ Position$16.9 m % Position1.96 % $ Change53.67 % # Shares564,607 # Change4.47 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$16.8 m % Position1.95 % $ Change6.55 % # Shares61,947 # Change-7.26 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$16.3 m % Position1.89 % $ Change0.84 % # Shares118,645 # Change-10.07 %
Stock Ticker86771W105 Stock NameSUNRUN INC COM $ Position$12.0 m % Position1.40 % $ Change-11.87 % # Shares215,831 # Change-4.45 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
05/12/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$17.6 m % Position2.15 % $ Change-10.19 % # Shares5,689 # Change-5.47 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$16.1 m % Position1.97 % $ Change-11.36 % # Shares131,932 # Change-3.71 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$15.7 m % Position1.92 % $ Change2.67 % # Shares66,799 # Change-3.15 %
Stock Ticker86771W105 Stock NameSUNRUN INC COM $ Position$13.7 m % Position1.67 % $ Change-27.53 % # Shares225,871 # Change-16.87 %
Stock Ticker223622606 Stock NameCOWEN INC CL A NEW $ Position$11.9 m % Position1.45 % $ Change28.41 % # Shares337,282 # Change-5.05 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
02/12/2021
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$19.6 m % Position2.43 % $ Change-4.53 % # Shares6,018 # Change-7.70 %
Stock Ticker86771W105 Stock NameSUNRUN INC COM $ Position$18.9 m % Position2.34 % $ ChangeN / A # Shares271,697 # ChangeN / A
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$18.2 m % Position2.26 % $ Change35.61 % # Shares137,014 # Change18.36 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$15.3 m % Position1.90 % $ Change-2.86 % # Shares68,970 # Change-8.13 %
Stock Ticker713448108 Stock NamePEPSICO INC COM $ Position$10.1 m % Position1.26 % $ Change8.97 % # Shares68,298 # Change1.84 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
11/12/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker92854Q106 Stock NameVIVINT SOLAR INC COM $ Position$21.2 m % Position3.04 % $ Change156.59 % # Shares500,820 # Change-40.02 %
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$20.5 m % Position2.94 % $ Change-1.04 % # Shares6,520 # Change-13.30 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$15.8 m % Position2.26 % $ Change2.56 % # Shares75,075 # Change-0.77 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$13.4 m % Position1.92 % $ Change-3.06 % # Shares115,758 # Change205.37 %
Stock Ticker92532F100 Stock NameVERTEX PHARMACEUTICALS INC COM $ Position$10.6 m % Position1.52 % $ Change-7.79 % # Shares39,004 # Change-1.63 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
08/04/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$20.7 m % Position3.40 % $ Change14.68 % # Shares7,520 # Change-18.95 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$15.4 m % Position2.52 % $ Change19.44 % # Shares75,659 # Change-7.44 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$13.8 m % Position2.27 % $ Change20.01 % # Shares37,908 # Change-16.34 %
Stock Ticker64110L106 Stock NameNETFLIX INC COM $ Position$12.9 m % Position2.11 % $ Change99.44 % # Shares28,243 # Change64.59 %
Stock Ticker92532F100 Stock NameVERTEX PHARMACEUTICALS INC COM $ Position$11.5 m % Position1.89 % $ Change0.05 % # Shares39,652 # Change-17.99 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
05/04/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$18.1 m % Position3.66 % $ Change12.10 % # Shares9,278 # Change6.24 %
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$12.9 m % Position2.61 % $ Change-17.50 % # Shares81,738 # Change-17.51 %
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$11.5 m % Position2.33 % $ Change-16.63 % # Shares45,313 # Change-3.73 %
Stock Ticker92532F100 Stock NameVERTEX PHARMACEUTICALS INC COM $ Position$11.5 m % Position2.33 % $ Change1.96 % # Shares48,352 # Change-6.18 %
Stock Ticker01609W102 Stock NameALIBABA GROUP HLDG LTD SPONSOR $ Position$10.3 m % Position2.08 % $ Change-32.49 % # Shares52,841 # Change-26.38 %
Adviser ESSEX INVESTMENT MANAGEMENT CO LLC Type 13F-HR Submitted
02/10/2020
Stock Ticker Stock Name $ Position % Position $ Change # Shares # Change
Stock Ticker254687106 Stock NameDISNEY WALT CO COM DISNEY $ Position$17.6 m % Position2.17 % $ ChangeN / A # Shares121,738 # ChangeN / A
Stock Ticker023135106 Stock NameAMAZON COM INC COM $ Position$16.1 m % Position1.98 % $ ChangeN / A # Shares8,733 # ChangeN / A
Stock Ticker594918104 Stock NameMICROSOFT CORP COM $ Position$15.6 m % Position1.92 % $ ChangeN / A # Shares99,088 # ChangeN / A
Stock Ticker01609W102 Stock NameALIBABA GROUP HLDG LTD SPONSOR $ Position$15.2 m % Position1.87 % $ ChangeN / A # Shares71,778 # ChangeN / A
Stock Ticker037833100 Stock NameAPPLE INC COM $ Position$13.8 m % Position1.70 % $ ChangeN / A # Shares47,068 # ChangeN / A

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