ESSEX INVESTMENT MANAGEMENT CO LLC Q4 2025 Filing
Filed February 13, 2026
Portfolio Value
$655.9M
Holdings
306
Report Date
Q4 2025
Filing Type
13F-HR
All Holdings (306 positions)
| # | Stock | Shares | Value | % Portfolio | Type |
|---|---|---|---|---|---|
| 1 | TSEMTOWER SEMICONDUCTOR LTD | 192,628 | $22.6M | 3.45% | |
| 2 | KTOSKRATOS DEFENSE & SEC SOLUTIONS | 190,194 | $14.4M | 2.20% | |
| 3 | STRLSTERLING INFRASTRUCTURE INC | 44,685 | $13.7M | 2.09% | |
| 4 | HCIHCI GROUP INC | 59,209 | $11.3M | 1.73% | |
| 5 | LGNDLIGAND PHARMACEUTICALS INC | 60,020 | $11.3M | 1.73% | |
| 6 | IM8NINSMED INC | 62,423 | $10.9M | 1.66% | |
| 7 | KNSAKINIKSA PHARMACEUTICALS INTL P | 250,975 | $10.4M | 1.58% | |
| 8 | GSATGLOBALSTAR INC | 167,389 | $10.2M | 1.56% | |
| 9 | ADPTADAPTIVE BIOTECHNOLOGIES CORP | 624,217 | $10.1M | 1.55% | |
| 10 | AAPLAPPLE INC | 34,868 | $9.5M | 1.45% | |
| 11 | LINCLINCOLN EDL SVCS CORP | 388,819 | $9.4M | 1.43% | |
| 12 | CECOCECO ENVIRONMENTAL CORP | 154,457 | $9.2M | 1.41% | |
| 13 | GHMGRAHAM CORP | 140,691 | $9.0M | 1.38% | |
| 14 | MIRMMIRUM PHARMACEUTICALS INC | 111,310 | $8.8M | 1.34% | |
| 15 | DRSLEONARDO DRS INC | 256,862 | $8.8M | 1.33% | |
| 16 | AGXARGAN INC | 27,628 | $8.7M | 1.32% | |
| 17 | MSFTMICROSOFT CORP | 17,613 | $8.5M | 1.30% | |
| 18 | J2AWILLDAN GROUP INC | 76,921 | $8.0M | 1.22% | |
| 19 | GSGOLDMAN SACHS GROUP INC | 8,659 | $7.6M | 1.16% | |
| 20 | TTITETRA TECHNOLOGIES INC DEL | 760,393 | $7.1M | 1.09% | |
| 21 | MIRMIRION TECHNOLOGIES INC | 303,352 | $7.1M | 1.08% | |
| 22 | XZOEXZEO GROUP INC | 291,076 | $7.1M | 1.08% | |
| 23 | AVPTAVEPOINT INC | 508,014 | $7.1M | 1.08% | |
| 24 | AEMAGNICO EAGLE MINES LTD | 40,022 | $6.8M | 1.03% | |
| 25 | AMZNAMAZON COM INC | 28,833 | $6.7M | 1.01% | |
| 26 | BBNXBETA BIONICS INC | 217,796 | $6.6M | 1.01% | |
| 27 | PRIMPRIMORIS SVCS CORP | 50,981 | $6.3M | 0.96% | |
| 28 | EVEREVERQUOTE INC | 231,424 | $6.2M | 0.95% | |
| 29 | WMSADVANCED DRAIN SYS INC DEL | 42,835 | $6.2M | 0.95% | |
| 30 | AMSCAMERICAN SUPERCONDUCTOR CORP | 215,154 | $6.2M | 0.94% | |
| 31 | TVTXTRAVERE THERAPEUTICS INC | 158,709 | $6.1M | 0.92% | |
| 32 | UVEUNIVERSAL INS HLDGS INC | 177,374 | $6.0M | 0.91% | |
| 33 | AMBAAMBARELLA INC | 83,843 | $5.9M | 0.91% | |
| 34 | BWAYBRAINSWAY LTD | 304,180 | $5.8M | 0.88% | |
| 35 | XERSXERIS BIOPHARMA HOLDINGS INC | 734,532 | $5.8M | 0.88% | |
| 36 | GEVGE VERNOVA INC | 8,603 | $5.6M | 0.86% | |
| 37 | CRMSALESFORCE INC | 19,080 | $5.1M | 0.77% | |
| 38 | PATKPATRICK INDS INC | 45,941 | $5.0M | 0.76% | |
| 39 | LYTSLSI INDS INC OHIO | 269,248 | $4.9M | 0.75% | |
| 40 | FEIMFREQUENCY ELECTRS INC | 91,380 | $4.9M | 0.75% | |
| 41 | PEGAPEGASYSTEMS INC | 79,424 | $4.7M | 0.72% | |
| 42 | CXDOCREXENDO INC | 729,877 | $4.7M | 0.72% | |
| 43 | BWXTBWX TECHNOLOGIES INC | 27,247 | $4.7M | 0.72% | |
| 44 | OCULOCULAR THERAPEUTIX INC | 385,825 | $4.7M | 0.71% | |
| 45 | ANGOANGIODYNAMICS INC | 360,544 | $4.6M | 0.71% | |
| 46 | MAMAMAMAS CREATIONS INC | 335,624 | $4.5M | 0.69% | |
| 47 | GWREGUIDEWIRE SOFTWARE INC | 22,514 | $4.5M | 0.69% | |
| 48 | GMEDGLOBUS MED INC | 51,409 | $4.5M | 0.68% | |
| 49 | ORNORION GROUP HLDGS INC | 449,761 | $4.5M | 0.68% | |
| 50 | WGOWINNEBAGO INDS INC | 109,490 | $4.4M | 0.68% | |
| 51 | AIPARTERIS INC | 285,167 | $4.4M | 0.67% | |
| 52 | COHUCOHU INC | 188,533 | $4.4M | 0.67% | |
| 53 | SIBNSI-BONE INC | 208,722 | $4.1M | 0.63% | |
| 54 | LAWCS DISCO INC | 529,780 | $4.1M | 0.63% | |
| 55 | MXLMAXLINEAR INC | 235,595 | $4.1M | 0.63% | |
| 56 | ARQTARCUTIS BIOTHERAPEUTICS INC | 141,271 | $4.1M | 0.63% | |
| 57 | AMPXAMPRIUS TECHNOLOGIES INC | 516,765 | $4.1M | 0.62% | |
| 58 | ASMLASML HOLDING N V | 3,806 | $4.1M | 0.62% | |
| 59 | QA4AGENTHERM INC | 111,037 | $4.0M | 0.62% | |
| 60 | GLDDGREAT LAKES DREDGE & DOCK CORP | 301,986 | $4.0M | 0.60% | |
| 61 | JAZZJAZZ PHARMACEUTICALS PLC | 23,195 | $3.9M | 0.60% | |
| 62 | OUSTOUSTER INC | 181,326 | $3.9M | 0.60% | |
| 63 | DLTRDOLLAR TREE INC | 31,777 | $3.9M | 0.60% | |
| 64 | RAILFREIGHTCAR AMER INC | 346,144 | $3.8M | 0.58% | |
| 65 | OIIOCEANEERING INTL INC | 155,434 | $3.7M | 0.57% | |
| 66 | SMTCSEMTECH CORP | 49,707 | $3.7M | 0.56% | |
| 67 | RJR1STEREOTAXIS INC | 1,562,019 | $3.6M | 0.55% | |
| 68 | CMCOCOLUMBUS MCKINNON CORP N Y | 207,990 | $3.6M | 0.55% | |
| 69 | DAKTDAKTRONICS INC | 178,876 | $3.5M | 0.54% | |
| 70 | TRMBTRIMBLE INC | 43,608 | $3.4M | 0.52% | |
| 71 | RDVTRED VIOLET INC | 59,863 | $3.4M | 0.52% | |
| 72 | WKWORKIVA INC | 39,520 | $3.4M | 0.52% | |
| 73 | GFFGRIFFON CORP | 46,200 | $3.4M | 0.52% | |
| 74 | NPCENEUROPACE INC | 213,892 | $3.3M | 0.50% | |
| 75 | LQDTLIQUIDITY SVCS INC | 106,088 | $3.2M | 0.49% | |
| 76 | ECGEVERUS CONSTR GROUP | 37,392 | $3.2M | 0.49% | |
| 77 | OSGOCTAVE SPECIALTY GROUP INC | 410,822 | $3.2M | 0.49% | |
| 78 | VREXVAREX IMAGING CORP | 274,339 | $3.2M | 0.49% | |
| 79 | AXSMAXSOME THERAPEUTICS INC | 17,381 | $3.2M | 0.48% | |
| 80 | CONCONCENTRA GROUP HOLDINGS PAREN | 160,645 | $3.2M | 0.48% | |
| 81 | PKEPARK AEROSPACE CORP | 147,248 | $3.1M | 0.48% | |
| 82 | AMTBAMERANT BANCORP INC | 154,090 | $3.0M | 0.46% | |
| 83 | RDCMRADCOM LTD | 228,305 | $3.0M | 0.46% | |
| 84 | EVREVERCORE INC | 8,769 | $3.0M | 0.45% | |
| 85 | BGCBGC GROUP INC | 330,509 | $3.0M | 0.45% | |
| 86 | PAYPAYMENTUS HOLDINGS INC | 93,075 | $2.9M | 0.45% | |
| 87 | CRNTCERAGON NETWORKS LTD | 1,391,697 | $2.9M | 0.45% | |
| 88 | BVSBIOVENTUS INC | 387,886 | $2.9M | 0.44% | |
| 89 | INVNIDENTIV INC | 723,685 | $2.8M | 0.42% | |
| 90 | ZSZSCALER INC | 12,238 | $2.8M | 0.42% | |
| 91 | MEGMONTROSE ENVIRONMENTAL GROUP I | 109,513 | $2.7M | 0.41% | |
| 92 | UPWKUPWORK INC | 135,636 | $2.7M | 0.41% | |
| 93 | BKRBAKER HUGHES COMPANY | 58,692 | $2.7M | 0.41% | |
| 94 | DERMJOURNEY MED CORP | 345,977 | $2.7M | 0.41% | |
| 95 | DISDISNEY WALT CO | 23,423 | $2.7M | 0.41% | |
| 96 | LZLEGALZOOM COM INC | 267,857 | $2.7M | 0.41% | |
| 97 | ARLOARLO TECHNOLOGIES INC | 188,919 | $2.6M | 0.40% | |
| 98 | INFUINFUSYSTEM HLDGS INC | 294,057 | $2.6M | 0.40% | |
| 99 | EXTREXTREME NETWORKS | 155,087 | $2.6M | 0.39% | |
| 100 | MASS908 DEVICES INC | 482,614 | $2.5M | 0.39% |
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