13FBOX
ESSEX INVESTMENT MANAGEMENT CO LLC · 13F Holdings
Options Calculator Rankings

ESSEX INVESTMENT MANAGEMENT CO LLC

No.3286 Data as of 2026Q2
Latest AUM (Q2 2026)
$763.4M
QoQ Change Q1 2026
+$132.7M+21.0%
Holdings
306
New Buys
26
Adds
30
Reduces
156
Exits
24
Unchanged
94
Holdings Value Trend
Holdings by Sector
Stock Ownership TrendPortfolio %Prev Q %Q2 2026 ValueQ2 2026 SharesPrev Q ValuePrev Q SharesShares ChangeAction
TTOWER SEMICONDUCTOR LTD SHS NEWTSEM
3.6%3.23%$27.5M105,543$20.3M115,933-10,390-8.96%Reduce
LLINCOLN EDL SVCS CORPLINC
2.22%2.29%$17.0M340,366$14.5M355,304-14,938-4.20%Reduce
KKINIKSA PHARMACEUTICALS INTLKNSA
2.02%1.9%$15.4M241,382$12.0M249,278-7,896-3.17%Reduce
OOUSTER INCOUST
1.85%0.54%$14.1M226,028$3.4M184,585+41,443+22.45%Add
LIGAND PHARMACEUTICALS INCLGND
1.8%1.85%$13.8M43,567$11.7M58,460-14,893-25.48%Reduce
CCECO ENVIRONMENTAL CORPCECO
1.79%1.49%$13.6M150,416$9.4M157,246-6,830-4.34%Reduce
SSTERLING INFRASTRUCTURE INCSTRL
1.78%2.07%$13.6M16,155$13.1M32,057-15,902-49.61%Reduce
AARTERIS INCAIP
1.77%0.76%$13.5M277,665$4.8M290,319-12,654-4.36%Reduce
MMIRUM PHARMACEUTICALS INCMIRM
1.62%1.59%$12.4M105,669$10.0M108,338-2,669-2.46%Reduce
AARGAN INCAGX
1.62%1.39%$12.4M15,467$8.8M16,098-631-3.92%Reduce
GRAHAM CORPGHM
1.51%1.61%$11.6M93,405$10.1M128,294-34,889-27.19%Reduce
LEONARDO DRS INCDRS
1.4%1.85%$10.7M250,215$11.6M261,454-11,239-4.30%Reduce
AADAPTIVE BIOTECHNOLOGIES CORADPT
1.33%1.09%$10.1M472,763$6.8M493,403-20,640-4.18%Reduce
WERNER ENTERPRISES INCWERN
1.32%$10.1M231,625$00+231,625New Buy
HHCI GROUP INCHCI
1.29%1.41%$9.9M56,260$8.9M57,634-1,374-2.38%Reduce
GE VERNOVA INCGEV
1.27%1.15%$9.7M8,283$7.3M8,319-36-0.43%Reduce
CCOHU INCCOHU
1.27%0.93%$9.7M131,170$5.9M191,885-60,715-31.64%Reduce
APPLE INCAAPL
1.23%1.31%$9.4M32,427$8.3M32,580-153-0.47%Reduce
AAMERICAN SUPERCONDUCTOR CORPAMSC
1.21%1.22%$9.2M221,933$7.7M227,558-5,625-2.47%Reduce
BBRAINSWAY LTD SPONSORED ADSBWAY
1.2%1.3%$9.2M592,606$8.2M618,553-25,947-4.19%Reduce
TTETRA TECHNOLOGIES INC DELTTI
1.1%1.05%$8.4M741,007$6.6M774,099-33,092-4.27%Reduce
LLSI INDS INC OHIOLYTS
1.03%0.81%$7.9M295,820$5.1M274,082+21,738+7.93%Add
MARVELL TECHNOLOGY INCMRVL
1.01%0.57%$7.7M25,911$3.6M36,203-10,292-28.43%Reduce
KKRATOS DEFENSE & SEC SOLUTIOKTOS
1%1.78%$7.7M153,576$11.2M158,844-5,268-3.32%Reduce
TTRAVERE THERAPEUTICS INCTVTX
1%0.76%$7.6M133,866$4.8M161,705-27,839-17.22%Reduce
GOLDMAN SACHS GROUP INCGS
1%1.01%$7.6M7,513$6.4M7,556-43-0.57%Reduce
PATRICK INDS INCPATK
0.98%0.81%$7.4M82,960$5.1M46,228+36,732+79.46%Add
OORION GROUP HLDGS INC COMORN
0.98%0.8%$7.4M442,603$5.0M461,772-19,169-4.15%Reduce
ASML HLDG NVASML
0.92%0.74%$7.0M3,538$4.7M3,556-18-0.51%Reduce
AAMBARELLA INCAMBA
0.9%0.67%$6.9M79,997$4.2M82,387-2,390-2.90%Reduce
NNOVOCURE LTDNVCR
0.87%0.78%$6.7M439,648$4.9M452,370-12,722-2.81%Reduce
AMAZON COM INCAMZN
0.84%0.9%$6.4M27,062$5.7M27,208-146-0.54%Reduce
AAVEPOINT INCAVPT
0.84%0.75%$6.4M571,541$4.7M498,482+73,059+14.66%Add
ADVANCED DRAIN SYS INC DELWMS
0.83%0.88%$6.3M40,413$5.6M40,569-156-0.38%Reduce
SSEMTECH CORPSMTC
0.81%0.62%$6.2M38,226$3.9M50,644-12,418-24.52%Reduce
OOceaneering Intl Inc ComOII
0.8%0.89%$6.1M151,463$5.6M158,374-6,911-4.36%Reduce
EEVERUS CONSTR GROUPECG
0.79%0.71%$6.0M36,377$4.5M38,098-1,721-4.52%Reduce
AGNICO EAGLE MINES LTDAEM
0.78%1.24%$6.0M38,462$7.8M38,643-181-0.47%Reduce
LIQUIDIA CORPORATIONLQDA
0.78%0.47%$6.0M74,743$3.0M78,171-3,428-4.39%Reduce
WILLDAN GROUP INCWLDN
0.78%0.95%$5.9M74,890$6.0M78,292-3,402-4.35%Reduce
FFREQUENCY ELECTRS INCFEIM
0.77%0.65%$5.9M89,043$4.1M93,026-3,983-4.28%Reduce
MICROSOFT CORPMSFT
0.77%0.93%$5.9M15,714$5.8M15,791-77-0.49%Reduce
MAMAS CREATIONS INCMAMA
0.76%0.83%$5.8M326,938$5.2M341,657-14,719-4.31%Reduce
XERIS BIOPHARMA HLDGS INXERS
0.74%0.69%$5.7M715,608$4.3M747,769-32,161-4.30%Reduce
PARK AEROSPACE CORP COMPKE
0.72%0.65%$5.5M143,663$4.1M149,893-6,230-4.16%Reduce
BBIODESIX INCBDSX
0.71%0.3%$5.5M241,915$1.9M132,086+109,829+83.15%Add
XOMETRY INCXMTR
0.71%$5.4M55,919$00+55,919New Buy
BBLUELINX HLDGS INC COM NEWBXC
0.7%$5.4M86,593$00+86,593New Buy
MITEK SYS INCMITK
0.7%0.59%$5.3M263,913$3.7M275,602-11,689-4.24%Reduce
CCREXENDO INC COMCXDO
0.7%0.73%$5.3M710,874$4.6M742,986-32,112-4.32%Reduce

🧭 Institutional Sector Flow Heatmap

Net Outflow Net Inflow