Essex Investment Management Co Llc Portfolio Stock Holdings
Essex Investment Management Co Llc disclosed 305 stock positions valued at approximately $631.7 million in its latest SEC 13F filing. The largest holdings include LINCOLN EDL SVCS CORP, STERLING INFRASTRUCTURE INC, and LIGAND PHARMACEUTICALS INC. The filing reflects positions held as of March 31, 2026 and was filed on May 11, 2026.
- Report Period
- March 31, 2026
- No. of Stocks
- 305
- Portfolio Value
- $631.7M
Holdings by Sector
Essex Investment Management Co Llc Portfolio Holdings in Q1 2026
276 holdings in the latest reporting period.
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| Company | Symbol | Sector | Portfolio % | Shares | Change (Shares) | Change % | Value |
|---|---|---|---|---|---|---|---|
| LINCOLN EDL SVCS CORP | LINC | Consumer Defensive | 2.29% | 355,304 | -33,515 | -8.62% | $14,453,767 |
| STERLING INFRASTRUCTURE INC | STRL | Industrials | 2.07% | 32,057 | -12,628 | -28.26% | $13,055,854 |
| LIGAND PHARMACEUTICALS INC | LGND | Healthcare | 1.85% | 58,460 | -1,560 | -2.60% | $11,671,539 |
| LEONARDO DRS INC | DRS | Industrials | 1.84% | 261,454 | +4,592 | +1.79% | $11,639,932 |
| KRATOS DEFENSE & SEC SOLUTIONS | KTOS | Industrials | 1.77% | 158,844 | -31,350 | -16.48% | $11,200,090 |
| INSMED INC | INSM | Healthcare | 1.62% | 62,676 | +253 | +0.41% | $10,248,780 |
| GRAHAM CORP | GHM | Industrials | 1.60% | 128,294 | -12,397 | -8.81% | $10,124,962 |
| MIRUM PHARMACEUTICALS INC | MIRM | Healthcare | 1.58% | 108,338 | -2,972 | -2.67% | $10,008,264 |
| CECO ENVIRONMENTAL CORP | CECO | Industrials | 1.48% | 157,246 | +2,789 | +1.81% | $9,368,717 |
| HCI GROUP INC | HCI | Financial Services | 1.41% | 57,634 | -1,575 | -2.66% | $8,910,793 |
| ARGAN INC | AGX | Industrials | 1.39% | 16,098 | -11,530 | -41.73% | $8,767,776 |
| APPLE INC | AAPL | Technology | 1.31% | 32,580 | -2,288 | -6.56% | $8,268,478 |
| BRAINSWAY LTD | BWAY | Healthcare | 1.30% | 618,553 | +314,373 | +103.35% | $8,220,569 |
| AGNICO EAGLE MINES LTD | AEM | Basic Materials | 1.24% | 38,643 | -1,379 | -3.45% | $7,843,756 |
| AMERICAN SUPERCONDUCTOR CORP | AMSC | Industrials | 1.22% | 227,558 | +12,404 | +5.77% | $7,702,838 |
| AMPRIUS TECHNOLOGIES INC | AMPX | Industrials | 1.19% | 445,441 | -71,324 | -13.80% | $7,510,135 |
| GE VERNOVA INC | GEV | Utilities | 1.15% | 8,319 | -284 | -3.30% | $7,261,655 |
| PRIMORIS SVCS CORP | PRIM | Industrials | 1.09% | 48,177 | -2,804 | -5.50% | $6,891,238 |
| ADAPTIVE BIOTECHNOLOGIES CORP | ADPT | Healthcare | 1.08% | 493,403 | -130,814 | -20.96% | $6,848,434 |
| TETRA TECHNOLOGIES INC DEL | TTI | Energy | 1.04% | 774,099 | +13,706 | +1.80% | $6,595,323 |
| GOLDMAN SACHS GROUP INC | GS | Financial Services | 1.01% | 7,556 | -1,103 | -12.74% | $6,392,300 |
| WILLDAN GROUP INC | WLDN | Industrials | 0.95% | 78,292 | +1,371 | +1.78% | $5,994,036 |
| COHU INC | COHU | Technology | 0.93% | 191,885 | +3,352 | +1.78% | $5,875,519 |
| MICROSOFT CORP | MSFT | Technology | 0.93% | 15,791 | -1,822 | -10.34% | $5,845,354 |
| MIRION TECHNOLOGIES INC | MIR | Industrials | 0.91% | 309,110 | +5,758 | +1.90% | $5,746,355 |
| AMAZON COM INC | AMZN | Consumer Cyclical | 0.90% | 27,208 | -1,625 | -5.64% | $5,666,610 |
| OCEANEERING INTL INC | OII | Energy | 0.89% | 158,374 | +2,940 | +1.89% | $5,617,526 |
| ADVANCED DRAIN SYS INC DEL | WMS | Industrials | 0.88% | 40,569 | -2,266 | -5.29% | $5,563,227 |
| BIOVENTUS INC | BVS | Healthcare | 0.87% | 603,258 | +215,372 | +55.52% | $5,507,746 |
| MAMAS CREATIONS INC | MAMA | Consumer Defensive | 0.83% | 341,657 | +6,033 | +1.80% | $5,241,018 |
| BWX TECHNOLOGIES INC | BWXT | Industrials | 0.83% | 25,555 | -1,692 | -6.21% | $5,225,742 |
| PATRICK INDS INC | PATK | Consumer Cyclical | 0.81% | 46,228 | +287 | +0.62% | $5,134,544 |
| LSI INDS INC OHIO | LYTS | Technology | 0.81% | 274,082 | +4,834 | +1.80% | $5,097,925 |
| ORION GROUP HLDGS INC | ORN | Industrials | 0.80% | 461,772 | +12,011 | +2.67% | $5,033,315 |
| TRAVERE THERAPEUTICS INC | TVTX | Healthcare | 0.76% | 161,705 | +2,996 | +1.89% | $4,804,256 |
| ARTERIS INC | AIP | Technology | 0.76% | 290,319 | +5,152 | +1.81% | $4,772,844 |
| AVEPOINT INC | AVPT | Technology | 0.75% | 498,482 | -9,532 | -1.88% | $4,740,564 |
| ASML HLDG NV | ASML | Other | 0.74% | 3,556 | -250 | -6.57% | $4,696,871 |
| SYNDAX PHARMACEUTICALS INC | SNDX | Healthcare | 0.74% | 198,985 | +198,985 | +100.00% | $4,648,290 |
| CREXENDO INC | CXDO | Communication Services | 0.73% | 742,986 | +13,109 | +1.80% | $4,584,224 |
| XERIS BIOPHARMA HOLDINGS INC | XERS | Healthcare | 0.69% | 747,769 | +13,237 | +1.80% | $4,337,060 |
| GLOBUS MED INC | GMED | Healthcare | 0.68% | 50,004 | -1,405 | -2.73% | $4,308,345 |
| FREQUENCY ELECTRS INC | FEIM | Technology | 0.65% | 93,026 | +1,646 | +1.80% | $4,117,331 |
| PARK AEROSPACE CORP | PKE | Industrials | 0.65% | 149,893 | +2,645 | +1.80% | $4,104,070 |
| MISTRAS GROUP INC | MG | Industrials | 0.63% | 268,567 | +268,567 | +100.00% | $3,969,420 |
| SEMTECH CORP | SMTC | Technology | 0.62% | 50,644 | +937 | +1.89% | $3,894,017 |
| INTELLICHECK MOBILISA INC | IDN | Technology | 0.60% | 537,842 | +215,949 | +67.09% | $3,759,516 |
| MITEK SYS INC | MITK | Technology | 0.59% | 275,602 | +275,602 | +100.00% | $3,720,627 |
| MARVELL TECHNOLOGY INC | MRVL | Technology | 0.57% | 36,203 | +36,203 | +100.00% | $3,585,907 |
| DAKTRONICS INC | DAKT | Technology | 0.56% | 182,086 | +3,210 | +1.79% | $3,559,781 |
| AGIOS PHARMACEUTICALS INC | AGIO | Healthcare | 0.55% | 103,177 | +103,177 | +100.00% | $3,490,478 |
| AMERANT BANCORP INC | AMTB | Financial Services | 0.55% | 156,818 | +2,728 | +1.77% | $3,456,269 |
| SOPHIA GENETICS SA | H82027105 | Other | 0.54% | 692,809 | +692,809 | +100.00% | $3,429,405 |
| GRIFFON CORP | GFF | Industrials | 0.54% | 47,076 | +876 | +1.90% | $3,421,484 |
| ARCUTIS BIOTHERAPEUTICS INC | ARQT | Healthcare | 0.54% | 143,934 | +2,663 | +1.89% | $3,391,085 |
| OUSTER INC | OUST | Technology | 0.54% | 184,585 | +3,259 | +1.80% | $3,390,826 |
| EVERQUOTE INC | EVER | Communication Services | 0.53% | 217,075 | -14,349 | -6.20% | $3,347,297 |
| BAKER HUGHES COMPANY | BKR | Energy | 0.53% | 54,682 | -4,010 | -6.83% | $3,338,336 |
| DIODES INC | DIOD | Technology | 0.53% | 48,869 | +48,869 | +100.00% | $3,335,798 |
| SALESFORCE INC | CRM | Technology | 0.53% | 17,854 | -1,226 | -6.43% | $3,332,806 |
| OCULAR THERAPEUTIX INC | OCUL | Healthcare | 0.53% | 392,718 | +6,893 | +1.79% | $3,326,321 |
| APYX MEDICAL CORPORATION | APYX | Healthcare | 0.53% | 901,398 | +901,398 | +100.00% | $3,326,159 |
| LIQUIDITY SVCS INC | LQDT | Consumer Cyclical | 0.52% | 108,004 | +1,916 | +1.81% | $3,301,682 |
| BGC GROUP INC | BGC | Financial Services | 0.52% | 336,781 | +6,272 | +1.90% | $3,293,718 |
| DOLLAR TREE INC | DLTR | Consumer Defensive | 0.51% | 29,614 | -2,163 | -6.81% | $3,243,029 |
| CONCENTRA GROUP HOLDINGS PAREN | CON | Other | 0.51% | 149,625 | -11,020 | -6.86% | $3,209,456 |
| PEGASYSTEMS INC | PEGA | Technology | 0.50% | 74,445 | -4,979 | -6.27% | $3,168,379 |
| GUIDEWIRE SOFTWARE INC | GWRE | Technology | 0.50% | 21,153 | -1,361 | -6.05% | $3,163,643 |
| RISKIFIED LTD | M8216R109 | Other | 0.50% | 803,032 | +803,032 | +100.00% | $3,147,885 |
| GENTHERM INC | THRM | Consumer Cyclical | 0.50% | 113,138 | +2,101 | +1.89% | $3,142,974 |
| COLUMBUS MCKINNON CORP N Y | CMCO | Industrials | 0.49% | 211,707 | +3,717 | +1.79% | $3,076,103 |
| DOCEBO INC | DCBO | Technology | 0.48% | 172,367 | +71,364 | +70.66% | $3,011,251 |
| 908 DEVICES INC | MASS | Healthcare | 0.48% | 491,221 | +8,607 | +1.78% | $3,006,273 |
| VAREX IMAGING CORP | VREX | Healthcare | 0.47% | 279,551 | +5,212 | +1.90% | $2,966,036 |
| LIQUIDIA CORPORATION | LQDA | Healthcare | 0.47% | 78,171 | +78,171 | +100.00% | $2,950,174 |
| STEREOTAXIS INC | STXS | Healthcare | 0.46% | 1,590,101 | +28,082 | +1.80% | $2,925,786 |
| JOHNSON OUTDOORS INC | JOUT | Consumer Cyclical | 0.46% | 62,864 | +62,864 | +100.00% | $2,923,805 |
| NEUROPACE INC | NPCE | Healthcare | 0.45% | 217,738 | +3,846 | +1.80% | $2,863,255 |
| FREIGHTCAR AMER INC | RAIL | Industrials | 0.44% | 352,343 | +6,199 | +1.79% | $2,808,174 |
| INFUSYSTEM HLDGS INC | INFU | Healthcare | 0.44% | 299,332 | +5,275 | +1.79% | $2,762,834 |
| AXSOME THERAPEUTICS INC. | AXSM | Healthcare | 0.44% | 16,328 | -1,053 | -6.06% | $2,759,759 |
| ARLO TECHNOLOGIES INC | ARLO | Industrials | 0.43% | 192,504 | +3,585 | +1.90% | $2,739,332 |
| IDENTIV INC | INVE | Industrials | 0.43% | 736,608 | +12,923 | +1.79% | $2,725,450 |
| SI BONE INC | SIBN | Healthcare | 0.42% | 212,488 | +3,766 | +1.80% | $2,683,723 |
| TRIMBLE INC | TRMB | Technology | 0.42% | 40,964 | -2,644 | -6.06% | $2,672,082 |
| EVERCORE INC | EVR | Financial Services | 0.42% | 8,939 | +170 | +1.94% | $2,668,381 |
| CARECLOUD INC | CCLD | Healthcare | 0.40% | 697,836 | +12,932 | +1.89% | $2,547,101 |
| MATADOR RES CO | MTDR | Energy | 0.40% | 39,998 | +802 | +2.05% | $2,527,074 |
| NOVANTA INC | NOVT | Technology | 0.39% | 20,703 | +366 | +1.80% | $2,445,231 |
| ONTERRIS INC | MEG | Industrials | 0.39% | 111,473 | +1,960 | +1.79% | $2,440,144 |
| PAYMENTUS HOLDINGS INC | PAY | Technology | 0.38% | 94,842 | +1,767 | +1.90% | $2,408,987 |
| EXTREME NETWORKS INC | EXTR | Technology | 0.38% | 158,032 | +2,945 | +1.90% | $2,383,123 |
| CHENIERE ENERGY INC | LNG | Energy | 0.36% | 8,113 | -150 | -1.82% | $2,302,145 |
| DISNEY WALT CO | DIS | Communication Services | 0.35% | 22,806 | -617 | -2.63% | $2,198,042 |
| LIGHTPATH TECHNOLOGIES INC | LPTH | Technology | 0.34% | 216,531 | +175,624 | +429.33% | $2,171,806 |
| WORKIVA INC | WK | Technology | 0.34% | 36,333 | -3,187 | -8.06% | $2,166,537 |
| RIVERVIEW BANCORP INC | RVSB | Financial Services | 0.34% | 390,295 | +10,316 | +2.71% | $2,146,623 |
| CODA OCTOPUS GROUP INC | CODA | Industrials | 0.34% | 189,640 | +166,341 | +713.94% | $2,142,932 |
| RED VIOLET INC | RDVT | Technology | 0.33% | 60,942 | +1,079 | +1.80% | $2,108,593 |
| CS DISCO INC | LAW | Technology | 0.33% | 539,314 | +9,534 | +1.80% | $2,060,179 |