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  Name: ESSEX INVESTMENT MANAGEMENT CO LLC
  City: SOUTH BOSTON
  State: MA
  Zip: 02110
   
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Portfolio Summary View Filing
  Filing Report Date : 2023-12-31
  Total Value : $507,928,000
  Total Value Change : $-104,787,000
  Securities Held Change : -41
   
All Securities Held : 315
  New Positions : 27
  Closed Positions : 70
  Increased Positions : 13
  Unchanged Positions : 71
  Decreased Positions : 204

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Holdings Found : 100     View All Holdings Currently Viewing:  ALL     Page 1 of 1
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Ticker Company Name Position
Rank
New/Closed
Postion
Last
Close
    Value Shares Held
% of
Portfolio
Value
Change
Change In
Shares Held
   % of Company    Industry
   (STRL)1 Year Chart         STRL Sterling Construction Co Inc 1 - $102.20 $13,391,000 152,294 2.64% -335,000 -34,508 0.542    Residential Construct...
   (AAPL)1 Year Chart         AAPL Apple Inc 2 - $169.89 $13,243,000 68,784 2.61% -792,000 -13,194 0    Personal Computers
   (HCI)1 Year Chart         HCI HCI Group Inc 3 - $116.08 $12,069,000 138,086 2.38% 1,727,000 -52,414 1.73    Property & Casualty I...
   (MSFT)1 Year Chart         MSFT Microsoft Corp 4 - $399.04 $10,810,000 28,746 2.13% -727,000 -7,792 0    Application Software
   (CRM)1 Year Chart         CRM Salesforce.com Inc 5 - $273.14 $7,948,000 30,205 1.56% 555,000 -6,255 0.003    Internet Software & S...
   (COUR)1 Year Chart         COUR Coursera, Inc. 6 - $0.00 $7,570,000 390,832 1.49% -2,000 -14,318 0.3    N/A
   (KTOS)1 Year Chart         KTOS Kratos Defense & Security S... 7 - $17.28 $7,538,000 371,514 1.48% 762,000 -79,616 0.3    Technical Services
   (PRIM)1 Year Chart         PRIM Primoris Services Corp 8 - $45.41 $7,307,000 220,022 1.44% -1,938,000 -62,427 0.413    General Contractors
   (THC)1 Year Chart         THC Tenet Healthcare Corp 9 - $97.51 $7,159,000 94,732 1.41% -402,000 -20,015 0.088    Hospitals
   (AMSC)1 Year Chart         AMSC American Superconductor Corp 10 - $11.86 $6,952,000 624,018 1.37% 1,661,000 -76,815 2.261    Diversified Electronics
   (ASPN)1 Year Chart         ASPN Aspen Aerogels Inc 11 - $15.71 $6,835,000 433,150 1.35% 1,717,000 -161,987 0.608    N/A
   (BP)1 Year Chart         BP BP Plc (ADR) 12 - $39.62 $6,673,000 188,502 1.31% -1,992,000 -35,274 0.006    Integrated Oil & Gas
   (AMZN)1 Year Chart         AMZN Amazon.com Inc 13 - $173.67 $6,540,000 43,043 1.29% -534,000 -12,606 0    Internet Software & S...
   (GWRE)1 Year Chart         GWRE Guidewire Software, Inc. 15 - $111.98 $6,334,000 58,089 1.25% 810,000 -3,290 0.069    Business Software & S...
   (ERII)1 Year Chart         ERII Energy Recovery, Inc. 16 - $14.19 $5,794,000 307,550 1.14% -2,228,000 -70,684 0.548    Multi Utilities
   (NEE)1 Year Chart         NEE NextEra Energy 17 - $66.90 $5,732,000 94,369 1.13% 1,449,000 19,614 0.005    Electric Utilities
   (GNRC)1 Year Chart         GNRC Generac Holdings Inc. 18 - $138.85 $5,673,000 43,895 1.12% -927,000 -16,676 0.07    Electronic Equipment
   (ZS)1 Year Chart         ZS Zscaler Inc 19 - $174.81 $5,524,000 24,934 1.09% 4,435,000 17,934 0.019    N/A
   (DGII)1 Year Chart         DGII Digi International Inc 20 - $30.59 $5,343,000 205,502 1.05% -1,615,000 -52,199 0.602    Networking & Communic...
   (GS)1 Year Chart         GS Goldman Sachs Group Inc 21 - $420.05 $4,870,000 12,623 0.96% -533,000 -4,074 0.004    Investment Brokerage ...
   (INTU)1 Year Chart         INTU Intuit Inc 22 - $626.39 $4,850,000 7,760 0.95% 640,000 -480 0.003    Application Software
   (STKL)1 Year Chart         STKL Sunopta Inc 23 - $6.55 $4,715,000 862,043 0.93% 1,475,000 -99,340 0.817    Diversified Machinery
   (GMED)1 Year Chart         GMED Genomed Inc 24 - $50.37 $4,700,000 88,204 0.93% -2,683,000 -60,502 0.116    N/A
   (DAVA)1 Year Chart         DAVA Endava Plc 25 - $29.10 $4,607,000 59,181 0.91% 730,000 -8,418 0.172    N/A
   (BMI)1 Year Chart         BMI Badger Meter Inc 26 - $183.78 $4,415,000 28,603 0.87% -149,000 -3,121 0.098    Scientific & Technica...
   (XYL)1 Year Chart         XYL Xylem Inc. 27 - $130.61 $4,332,000 37,880 0.85% -349,000 -13,548 0.021    Diversified Machinery
   (LINC)1 Year Chart         LINC Lincoln Educational Service... 28 - $9.97 $4,162,000 414,528 0.82% 277,000 -45,293 1.57    Education & Training ...
   (XOM)1 Year Chart         XOM Exxon Mobil Corp 29 - $121.33 $4,151,000 41,518 0.82% -1,946,000 -10,334 0.001    Integrated Oil & Gas
   (CECE)1 Year Chart         CECE Ceco Environmental Corp 30 - $25.26 $4,113,000 202,835 0.81% 621,000 -15,799 0.57    Industrial Electrical...
   (ATEC)1 Year Chart         ATEC Alphatec Holdings, Inc. 31 - $12.24 $4,032,000 266,856 0.79% 303,000 -20,692 0.269    Medical Instruments &...
   (TRNS)1 Year Chart         TRNS Transcat Inc 32 - $109.84 $4,031,000 36,866 0.79% 141,000 -2,835 0.496    Scientific & Technica...
   (PATK)1 Year Chart         PATK Patrick Industries Inc 33 - $104.42 $4,023,000 40,093 0.79% -170,000 -15,774 0.172    Building Materials Wh...
   (NARI)1 Year Chart         NARI Inari Medical, Inc. 34 - $0.00 $3,946,000 60,775 0.78% -2,862,000 -43,329 0.118    N/A
   (LYTS)1 Year Chart         LYTS LSI Industries Inc 35 - $14.17 $3,683,000 261,571 0.73% -785,000 -19,773 0.993    Business Equipment
   (PAY)1 Year Chart         PAY Paymentus Holdings, Inc. 36 - $0.00 $3,671,000 205,409 0.72% 247,000 -864 1.065    N/A
   (DIS)1 Year Chart         DIS Walt Disney Co 37 - $112.77 $3,636,000 40,275 0.72% -317,000 -8,498 0.002    Entertainment - Diver...
   (ICHR)1 Year Chart         ICHR Ichor Holdings Ltd 38 - $38.15 $3,563,000 105,956 0.7% -433,000 -23,125 0.369    N/A
   (KRNT)1 Year Chart         KRNT Kornit Digital Ltd 39 - $15.21 $3,518,000 183,628 0.69% -1,492,000 -81,323 0.395    N/A
   (EYPT)1 Year Chart         EYPT EyePoint Pharmaceuticals Inc 40 - $0.44 $3,410,000 147,541 0.67% 1,755,000 -59,619 0.103    Biotechnology
   (GHM)1 Year Chart         GHM Graham Corp 41 - $27.84 $3,358,000 177,036 0.66% 82,000 -20,293 1.774    Metal Fabrication
   (TALK)1 Year Chart         TALK Talkspace, Inc 42 - $3.08 $3,350,000 1,318,881 0.66% 581,000 -101,186 0.866    N/A
   (INSM)1 Year Chart         INSM Insmed Inc 43 - $24.92 $3,347,000 108,007 0.66% -401,000 -40,412 0.071    Biotechnology
   (AEM)1 Year Chart         AEM Agnico Eagle Mines Ltd (USA) 44 - $64.94 $3,330,000 60,717 0.66% -663,000 -27,133 0.013    Gold
   (TTI)1 Year Chart         TTI Tetra Technologies Inc 45 - $4.47 $3,328,000 736,181 0.66% -1,732,000 -56,884 0.584    Diversified Chemicals
   (NOVT)1 Year Chart         NOVT Novanta Inc 46 - $156.25 $3,327,000 19,754 0.66% 271,000 -1,552 0.055    Scientific & Technica...
   (ARRY)1 Year Chart         ARRY Array Technologies, Inc. 47 - $0.00 $3,222,000 191,766 0.63% -2,988,000 -88,106 0.127    N/A
   (INVE)1 Year Chart         INVE Identiv Inc 48 - $5.12 $3,209,000 389,422 0.63% -305,000 -26,964 1.816    Computer Peripherals
   (SEM)1 Year Chart         SEM Select Medical Holdings Cor... 49 - $27.39 $3,147,000 133,900 0.62% -1,605,000 -54,156 0.099    Specialized Health Se...
   (VCYT)1 Year Chart         VCYT Veracyte, Inc. 50 - $19.48 $3,107,000 112,934 0.61% -817,000 -62,815 0.136    Biotechnology
   (EVR)1 Year Chart         EVR Evercore Partners Inc. 51 - $183.65 $3,020,000 17,655 0.59% -331,000 -6,650 0.043    Asset Management
   (KNSA)1 Year Chart         KNSA Kiniksa Pharmaceuticals, Ltd. 52 - $17.61 $3,015,000 171,890 0.59% -213,000 -13,963 0.51    N/A
   (HSC)1 Year Chart         HSC Harsco Corp 53 - $8.05 $2,999,000 333,263 0.59% 426,000 -23,043 0.422    Conglomerates
   (CGNX)1 Year Chart         CGNX Cognex Corp 54 - $39.79 $2,987,000 71,573 0.59% -1,588,000 -36,220 0.041    Scientific & Technica...
   (ALB)1 Year Chart         ALB Albemarle Corp 55 - $114.98 $2,952,000 20,435 0.58% 245,000 4,514 0.019    Synthetics
   (VMI)1 Year Chart         VMI Valmont Industries Inc 56 New $209.57 $2,938,000 12,581 0.58% 2,938,000 12,581 0.059    Farm & Construction M...
   (PAYX)1 Year Chart         PAYX Paychex Inc 57 - $121.97 $2,935,000 24,643 0.58% -270,000 -3,149 0.007    Staffing & Outsourcin...
   (ZWS)1 Year Chart         ZWS Zurn Water Solutions Corp 58 - $31.88 $2,884,000 98,049 0.57% -1,045,000 -42,178 0.055    Diversified Machinery
   (WLDN)1 Year Chart         WLDN Willdan Group, Inc. 59 - $27.41 $2,865,000 133,236 0.56% -67,000 -10,291 1.104    Technical Services
   (MRC)1 Year Chart         MRC MRC Global Inc. 60 - $11.57 $2,857,000 259,526 0.56% -9,000 -20,116 0.316    Machine Tools & Acces...
   (HUBB)1 Year Chart         HUBB Hubbell Inc 61 - $402.27 $2,760,000 8,390 0.54% -1,915,000 -6,526 0.015    Electronics Wholesale
   (MWA)1 Year Chart         MWA Mueller Water Products, Inc. 62 New $16.15 $2,689,000 186,764 0.53% 2,689,000 186,764 0.118    Industrial Equipment ...
   (KOPN)1 Year Chart         KOPN Kopin Corp 63 - $0.81 $2,681,000 1,320,721 0.53% 955,000 -93,714 1.553    Diversified Electronics
   (MNTX)1 Year Chart         MNTX Manitex International Inc 64 - $5.55 $2,650,000 303,202 0.52% 1,134,000 -21,408 1.532    Diversified Machinery
   (MIR)1 Year Chart         MIR Mirion Technologies, Inc 65 - $10.54 $2,645,000 258,073 0.52% 709,000 -1,139 0.129    N/A
   (EOLS)1 Year Chart         EOLS Evolus Inc 66 - $11.46 $2,644,000 251,050 0.52% 132,000 -23,754 0.744    N/A
   (TBBK)1 Year Chart         TBBK The Bancorp Inc 67 - $33.41 $2,642,000 68,506 0.52% 95,000 -5,317 0.119    Domestic Regional Banks
   (ASIX)1 Year Chart         ASIX Advansix Inc. 68 - $25.90 $2,585,000 86,288 0.51% -302,000 -6,599 0.308    N/A
   (CCS)1 Year Chart         CCS Century Communities, Inc. 69 - $78.32 $2,554,000 28,023 0.5% 675,000 -117 0.084    N/A
   (PETQ)1 Year Chart         PETQ Petiq, Inc. 70 - $16.32 $2,537,000 128,462 0.5% -201,000 -10,537 0.412    N/A
   (DLTR)1 Year Chart         DLTR Dollar Tree Stores Inc 71 - $121.69 $2,514,000 17,696 0.49% -298,000 -8,721 0.007    Discount, Variety Stores
   (LNG)1 Year Chart         LNG Cheniere Energy Inc 72 - $159.36 $2,513,000 14,722 0.49% -251,000 -1,933 0.006    Oil & Gas Equipment &...
   (PRCT)1 Year Chart         PRCT Procept Biorobotics Corp 73 - $0.00 $2,505,000 59,780 0.49% 535,000 -254 0.137    N/A
   (SUP)1 Year Chart         SUP Superior Industries Interna... 74 - $3.64 $2,490,000 778,023 0.49% -45,000 -55,729 3.04    Auto Parts
   (HRTG)1 Year Chart         HRTG Heritage Insurance Holdings... 75 - $10.43 $2,426,000 372,076 0.48% 255,000 37,581 1.341    N/A
   (BLDR)1 Year Chart         BLDR Builders Firstsource Inc 76 - $185.26 $2,414,000 14,459 0.48% 591,000 -181 0.007    Home Improvement Stores
   (GFF)1 Year Chart         GFF Griffon Corp 77 - $67.41 $2,396,000 39,313 0.47% 315,000 -13,139 0.07    General Building Mate...
   (AUGX)1 Year Chart         AUGX Augmedix, Inc 78 - $2.79 $2,361,000 403,528 0.46% 124,000 -30,758 1.086    N/A
   (LUNA)1 Year Chart         LUNA Luna Innovations Inc 79 - $1.99 $2,354,000 354,000 0.46% 132,000 -25,200 1.148    Research Services
   (LTRX)1 Year Chart         LTRX Lantronix Inc 80 - $3.20 $2,332,000 397,987 0.46% 438,000 -27,564 1.392    Networking & Communic...
   (FVRR)1 Year Chart         FVRR Fiverr International Ltd 81 - $20.05 $2,307,000 84,770 0.45% 470,000 9,694 0.241    N/A
   (AGX)1 Year Chart         AGX Argan Inc 82 New $61.21 $2,300,000 49,165 0.45% 2,300,000 49,165 0.312    Consumer Services
   (CRNT)1 Year Chart         CRNT Ceragon Networks Ltd 83 - $2.74 $2,298,000 1,063,814 0.45% -35,000 -74,159 1.311    Communication Equipment
   (GLDD)1 Year Chart         GLDD Great Lakes Dredge & Dock C... 84 - $7.19 $2,289,000 298,028 0.45% -294,000 -26,068 0.459    Heavy Construction
   (MP)1 Year Chart         MP Mp Materials Ord Shs Class A 85 - $16.03 $2,272,000 114,452 0.45% -1,336,000 -74,431 0.067    N/A
   (ENVX)1 Year Chart         ENVX Enovix Corp 86 - $5.84 $2,267,000 181,101 0.45% -1,329,000 -105,468 0.125    N/A
   (AEHR)1 Year Chart         AEHR Aehr Test Systems 87 - $11.30 $2,196,000 82,769 0.43% -1,874,000 -6,284 0.355    Semiconductor Equipme...
   (WTS)1 Year Chart         WTS Watts Industries Inc 88 - $201.42 $2,194,000 10,530 0.43% 374,000 0 0.038    Industrial Equipment ...
   (ROCK)1 Year Chart         ROCK Gibraltar Industires Inc 89 New $71.11 $2,170,000 27,471 0.43% 2,170,000 27,471 0.084    Steel & Iron
   (KRUS)1 Year Chart         KRUS Kura Sushi Usa, Inc. 90 - $0.00 $2,153,000 28,332 0.42% -593,000 -13,200 0.386    N/A
   (CGNT)1 Year Chart         CGNT Cognyte Software Ord Shs 91 New $6.86 $2,149,000 334,208 0.42% 2,149,000 334,208 0.508    N/A
   (NEM)1 Year Chart         NEM Newmont Mining Corp 92 - $43.41 $2,145,000 51,819 0.42% -1,231,000 -39,557 0.006    Gold
   (DCBO)1 Year Chart         DCBO Docebo Ord Shs 93 - $0.00 $2,129,000 44,016 0.42% -1,664,000 -49,594 0.135    N/A
   (MTDR)1 Year Chart         MTDR Matador Resources Co 94 - $65.58 $2,124,000 37,363 0.42% -373,000 -4,625 0.032    N/A
   (EGHT)1 Year Chart         EGHT 8x8 Inc 95 New $2.40 $2,123,000 561,693 0.42% 2,123,000 561,693 0.444    Communication Equipment
   (AUDC)1 Year Chart         AUDC AudioCodes Ltd 97 New $10.43 $2,074,000 171,819 0.41% 2,074,000 171,819 0.525    Scientific & Technica...
   (STXS)1 Year Chart         STXS Stereotaxis Inc 98 - $2.35 $2,057,000 1,175,678 0.4% -11,000 -133,430 1.595    Medical Appliances & ...
   (ALTG)1 Year Chart         ALTG B. Riley Principal Merger C... 99 - $11.44 $2,033,000 164,314 0.4% -106,000 -13,023 0.547    N/A
   (ZETA)1 Year Chart         ZETA Zeta Global Holdings Corp. 100 New $12.45 $1,995,000 226,184 0.39% 1,995,000 226,184 0.147    N/A
   (MTRX)1 Year Chart         MTRX Matrix Service Co 101 - $11.77 $1,980,000 202,404 0.39% -1,712,000 -110,440 0.763    Heavy Construction
   (SHLS)1 Year Chart         SHLS Shoals Technologies Group, ... 102 - $0.00 $1,961,000 126,207 0.39% -557,000 -11,784 0.071    N/A

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