ESSEX INVESTMENT MANAGEMENT CO LLC

CIK: 0000201772SEC EDGAR →

Portfolio Value

$708K

Holdings

306

As of

Q4 2025

New Positions

306

Closed Positions

0

Top 10 Holdings

RankStockSharesValue% of Portfolio
1
OPTT

OCEAN PWR TECHNOLOGIES INC

174,614$52K
7.35%
2
TSEM

TOWER SEMICONDUCTOR LTD

192,628$23K
3.20%
3
KTOS

KRATOS DEFENSE & SEC SOLUTIONS

190,194$14K
2.04%
4
STRL

STERLING INFRASTRUCTURE INC

44,685$14K
1.93%
5
HCI

HCI GROUP INC

59,209$11K
1.60%
6
LGND

LIGAND PHARMACEUTICALS INC

60,020$11K
1.60%
7
IM8N

INSMED INC

62,423$11K
1.54%
8
KNSA

KINIKSA PHARMACEUTICALS INTL P

250,975$10K
1.46%
9
GSAT

GLOBALSTAR INC

167,389$10K
1.44%
10
ADPT

ADAPTIVE BIOTECHNOLOGIES CORP

624,217$10K
1.43%

Quarterly Changes

Top Buys

OPTTNEW
$52K
TSEMNEW
$23K
KTOSNEW
$14K
STRLNEW
$14K
HCINEW
$11K

Top Sells

No sells this quarter

New Positions (306)

OPTT
$52K · 175K shares
TSEM
$23K · 193K shares
KTOS
$14K · 190K shares
STRL
$14K · 45K shares
HCI
$11K · 59K shares
LGND
$11K · 60K shares
IM8N
$11K · 62K shares
KNSA
$10K · 251K shares
GSAT
$10K · 167K shares
ADPT
$10K · 624K shares
AAPL
$9K · 35K shares
LINC
$9K · 389K shares
CECO
$9K · 154K shares
GHM
$9K · 141K shares
MIRM
$9K · 111K shares
DRS
$9K · 257K shares
AGX
$9K · 28K shares
MSFT
$9K · 18K shares
J2A
$8K · 77K shares
GS
$8K · 9K shares
TTI
$7K · 760K shares
MIR
$7K · 303K shares
XZO
$7K · 291K shares
AVPT
$7K · 508K shares
AEM
$7K · 40K shares
AMZN
$7K · 29K shares
BBNX
$7K · 218K shares
PRIM
$6K · 51K shares
EVER
$6K · 231K shares
WMS
$6K · 43K shares
AMSC
$6K · 215K shares
TVTX
$6K · 159K shares
UVE
$6K · 177K shares
AMBA
$6K · 84K shares
BWAY
$6K · 304K shares
XERS
$6K · 735K shares
GEV
$6K · 9K shares
CRM
$5K · 19K shares
PATK
$5K · 46K shares
LYTS
$5K · 269K shares
FEIM
$5K · 91K shares
PEGA
$5K · 79K shares
CXDO
$5K · 730K shares
BWXT
$5K · 27K shares
OCUL
$5K · 386K shares
ANGO
$5K · 361K shares
MAMA
$5K · 336K shares
GWRE
$5K · 23K shares
GMED
$4K · 51K shares
ORN
$4K · 450K shares
WGO
$4K · 109K shares
AIP
$4K · 285K shares
COHU
$4K · 189K shares
SIBN
$4K · 209K shares
LAW
$4K · 530K shares
MXL
$4K · 236K shares
ARQT
$4K · 141K shares
AMPX
$4K · 517K shares
ASML
$4K · 4K shares
QA4A
$4K · 111K shares
GLDD
$4K · 302K shares
JAZZ
$4K · 23K shares
OUST
$4K · 181K shares
DLTR
$4K · 32K shares
RAIL
$4K · 346K shares
OII
$4K · 155K shares
SMTC
$4K · 50K shares
RJR1
$4K · 1.6M shares
CMCO
$4K · 208K shares
DAKT
$4K · 179K shares
TRMB
$3K · 44K shares
RDVT
$3K · 60K shares
WK
$3K · 40K shares
GFF
$3K · 46K shares
NPCE
$3K · 214K shares
LQDT
$3K · 106K shares
ECG
$3K · 37K shares
VREX
$3K · 274K shares
OSG
$3K · 411K shares
AXSM
$3K · 17K shares
CON
$3K · 161K shares
PKE
$3K · 147K shares
AMTB
$3K · 154K shares
RDCM
$3K · 228K shares
EVR
$3K · 9K shares
BGC
$3K · 331K shares
PAY
$3K · 93K shares
CRNT
$3K · 1.4M shares
BVS
$3K · 388K shares
INVN
$3K · 724K shares
ZS
$3K · 12K shares
MEG
$3K · 110K shares
UPWK
$3K · 136K shares
BKR
$3K · 59K shares
DERM
$3K · 346K shares
DIS
$3K · 23K shares
LZ
$3K · 268K shares
ARLO
$3K · 189K shares
INFU
$3K · 294K shares
EXTR
$3K · 155K shares
MASS
$3K · 483K shares
BKSY
$3K · 134K shares
ZETA
$2K · 121K shares
PRN
$2K · 310K shares
1GSN
$2K · 20K shares
CURI
$2K · 610K shares
EYPT
$2K · 125K shares
BLND
$2K · 749K shares
INTU
$2K · 3K shares
DCBO
$2K · 101K shares
III
$2K · 377K shares
IBEX
$2K · 57K shares
IDN
$2K · 322K shares
FSLR
$2K · 8K shares
IFNNY
$2K · 45K shares
CCLD
$2K · 685K shares
XPRO
$2K · 148K shares
CTM
$2K · 2.1M shares
RVSB
$2K · 380K shares
PAYX
$2K · 17K shares
ERII
$2K · 135K shares
PHR
$2K · 102K shares
MTDR
$2K · 39K shares
GENC
$2K · 126K shares
BMI
$2K · 9K shares
LNG
$2K · 8K shares
TEM
$2K · 27K shares
SLND
$2K · 476K shares
VMI
$2K · 4K shares
XYL
$1K · 11K shares
AXP
$1K · 4K shares
CRGO
$1K · 619K shares
BLDR
$1K · 13K shares
PG
$1K · 9K shares
IOT
$1K · 37K shares
CGNX
$1K · 36K shares
CTVA
$1K · 19K shares
NEE
$1K · 15K shares
B
$1K · 27K shares
RIVN
$1K · 58K shares
VLO
$1K · 6K shares
KO
$999 · 14K shares
AJG
$969 · 4K shares
VLTO
$930 · 9K shares
MDT
$927 · 10K shares
CL
$897 · 11K shares
JPM
$876 · 3K shares
APD
$872 · 4K shares
MTSI
$842 · 5K shares
MLM
$830 · 1K shares
SHLS
$813 · 96K shares
YASKAWA ELEC CORP
$806 · 27K shares
AEVA
$791 · 60K shares
PRLB
$784 · 16K shares
ENPH
$773 · 24K shares
PEP
$763 · 5K shares
FLNC
$762 · 39K shares
CARR
$755 · 14K shares
ON
$739 · 14K shares
NXT
$725 · 8K shares
MRSH
$723 · 4K shares
DE
$683 · 1K shares
PWR
$664 · 2K shares
FNV
$621 · 3K shares
IWO
$616 · 2K shares
DFLI
$601 · 196K shares
WPM
$576 · 5K shares
BAC
$543 · 13K shares
OSS
$497 · 69K shares
JNJ
$493 · 2K shares
ASYS
$474 · 38K shares
NEM
$473 · 5K shares
ACMR
$464 · 12K shares
OWLT
$462 · 29K shares
EME
$458 · 750 shares
LPZB
$441 · 41K shares
ARRY
$430 · 47K shares
VTI
$404 · 1K shares
SNA
$387 · 1K shares
GKD
$382 · 2K shares
NVSN
$382 · 3K shares
LNSR
$349 · 30K shares
ETON
$341 · 20K shares
OPXS
$327 · 23K shares
GE
$326 · 1K shares
STRT
$320 · 4K shares
CAMT
$312 · 3K shares
SITM
$300 · 850 shares
PPIH
$289 · 10K shares
ACLS
$269 · 3K shares
BWEN
$268 · 95K shares
AMPG
$262 · 88K shares
BYDDY
$249 · 21K shares
DUK
$248 · 2K shares
EQNR
$247 · 10K shares
DAIO
$236 · 75K shares
GEOS
$230 · 14K shares
CPSH
$229 · 74K shares
CODA
$216 · 23K shares
DUOT
$215 · 19K shares
ESOA
$213 · 26K shares
TSLA
$211 · 471 shares
SO
$208 · 2K shares
TRT
$208 · 16K shares
ADM
$208 · 4K shares
ABT
$204 · 2K shares
NSPR
$203 · 114K shares
ORCL
$194 · 1K shares
ACNT
$194 · 12K shares
NEPH
$190 · 39K shares
GSIT
$189 · 30K shares
RPID
$180 · 62K shares
ADP
$176 · 688 shares
FSI
$176 · 26K shares
RELL
$175 · 16K shares
TACT
$173 · 43K shares
VNCE
$166 · 41K shares
GNSS
$156 · 73K shares
COST
$155 · 180 shares
APT
$152 · 34K shares
XOM
$149 · 1K shares
NMTC
$142 · 188K shares
RFIL
$142 · 25K shares
MATX
$129 · 1K shares
AIT
$129 · 505 shares
CSBR
$126 · 18K shares
HBIO
$123 · 185K shares
FUE1
$120 · 77K shares
MRK
$119 · 1K shares
NVMI
$117 · 359 shares
WM
$108 · 494 shares
MPWR
$108 · 120 shares
GOOG
$100 · 320 shares
DTE
$93 · 728 shares
CINF
$89 · 549 shares
NVT
$85 · 842 shares
AWRE
$79 · 43K shares
AIRG
$78 · 19K shares
WAB
$77 · 362 shares
RGLD
$75 · 338 shares
KGC
$74 · 3K shares
QTWO
$70 · 974 shares
GKOS
$68 · 611 shares
LASE
$67 · 27K shares
FCX
$65 · 1K shares
4I1
$64 · 402 shares
DWD
$64 · 363 shares
AMKR
$60 · 2K shares
BMY
$60 · 1K shares
SPY
$57 · 85 shares
CWAN
$55 · 2K shares
AMRX
$54 · 4K shares
VTSI
$53 · 13K shares
SLV
$49 · 771 shares
FLS
$48 · 697 shares
AYI
$47 · 131 shares
SNES
$47 · 22K shares
CLH
$45 · 193 shares
RIO
$45 · 567 shares
WEC
$45 · 430 shares
PPL
$43 · 1K shares
MU
$43 · 153 shares
DTM
$43 · 364 shares
GTES
$42 · 2K shares
EE
$41 · 1K shares
WMB
$40 · 680 shares
UPS
$40 · 404 shares
EPD
$40 · 1K shares
4DH
$39 · 2K shares
RRC
$38 · 1K shares
G
$38 · 823 shares
BRK/B
$38 · 76 shares
ATMU
$37 · 713 shares
ALKT
$36 · 2K shares
ACA
$35 · 331 shares
SRE
$34 · 390 shares
ITRI
$33 · 362 shares
V
$32 · 92 shares
Q
$29 · 357 shares
ETN
$28 · 88 shares
TER
$28 · 145 shares
DD
$28 · 715 shares
AVNT
$28 · 915 shares
RELY
$27 · 2K shares
ROK
$27 · 70 shares
FIVE
$25 · 137 shares
STZ
$24 · 178 shares
TRIP
$22 · 2K shares
APH
$22 · 168 shares
BP
$22 · 662 shares
ECL
$21 · 83 shares
HP
$21 · 733 shares
0J7Q
$19 · 486 shares
SLB
$19 · 514 shares
GDXJ
$17 · 156 shares
RRX
$14 · 100 shares
SDZNY
$14 · 203 shares
ANGI
$12 · 984 shares
TT
$12 · 33 shares
FDX
$12 · 45 shares
SNY
$9 · 200 shares
UNP
$8 · 35 shares
CYATY
$7 · 458 shares
LYB
$1 · 25 shares
WTS
$1 · 5 shares
OGN
$0 · 11 shares

Sector Breakdown

Sector# HoldingsValue%
Industrials71$208K29.4%
Technology73$165K23.4%
Healthcare44$126K17.8%
Financial Services22$57K8.1%
Unknown17$32K4.5%
Communication Services8$29K4.1%
Energy21$25K3.5%
Consumer Defensive10$22K3.1%
Consumer Cyclical11$22K3.1%
Basic Materials19$13K1.9%
Utilities10$8K1.2%