— Know what they know.
Not Investment Advice
Asset Manager ← All Institutions

ESSEX INVESTMENT MANAGEMENT CO LLC

Q1 2026 · Filed 2026-05-11
Market Value
$612M
-3.7%
Holdings
321
-3
New Purchases
26
Added To
79
Closed
26
Reduced
84
Top 10 Concentration
20.2%
Turnover
16.2%

Top Buys (by % of Portfolio)

SymbolCur %Prior %Chg %Value
LINC 2.36% 1.48% +0.89% $14M
NVCR 0.81% 0.00% +0.81% $5M
SNDX 0.76% 0.00% +0.76% $5M
MG 0.65% 0.00% +0.65% $4M
MITK 0.61% 0.00% +0.61% $4M
MRVL 0.59% 0.00% +0.59% $4M
AMPX 1.23% 0.64% +0.59% $8M
AGIO 0.57% 0.00% +0.57% $3M
SOPH 0.56% 0.00% +0.56% $3M
DIOD 0.55% 0.00% +0.55% $3M
APYX 0.54% 0.00% +0.54% $3M
DRS 1.90% 1.38% +0.52% $12M
RSKD 0.51% 0.00% +0.51% $3M
LQDA 0.48% 0.00% +0.48% $3M
JOUT 0.48% 0.00% +0.48% $3M

Top Sells (by % of Portfolio)

SymbolCur %Prior %Chg %Value
BBNX 0.00% 1.04% -1.04% $0
UVE 0.00% 0.94% -0.94% $0
ANGO 0.00% 0.73% -0.73% $0
WGO 0.00% 0.70% -0.70% $0
MXL 0.00% 0.65% -0.65% $0
GLDD 0.00% 0.62% -0.62% $0
ADPT 1.12% 1.60% -0.48% $7M
RDCM 0.00% 0.47% -0.47% $0
CRNT 0.00% 0.46% -0.46% $0
KTOS 1.83% 2.27% -0.44% $11M
EVER 0.55% 0.98% -0.44% $3M
XZO 0.69% 1.11% -0.42% $4M
DERM 0.00% 0.42% -0.42% $0
LZ 0.00% 0.42% -0.42% $0
MSFT 0.96% 1.34% -0.39% $6M

Sector Allocation Over Time

Market Cap Concentration

TierHoldingsValueWeight
Mega Cap 30 $45M 7.3%
Large Cap 104 $167M 27.4%
Mid Cap 64 $169M 27.6%
Small Cap 67 $183M 30.0%
Micro Cap 56 $47M 7.8%

Portfolio Analytics

Avg Market Cap
$125.0B
Median Market Cap
$4.8B
Avg P/E
45.5
Median P/E
28.9
Avg Dividend Yield
0.01%
Avg Beta
1.12
# Stocks
316
# ETFs / Funds
5

Top Holdings (321 total)

# Symbol % Port Shares Value Avg Price Q/Q Value Chg Share Chg Chg % Status
1 TSEM 3.33% 115,933 $20M $175.48 -$2M -76,695 -39.8%
2 LINC 2.36% 355,304 $14M $40.68 $5M -33,515 -8.6%
3 STRL 2.13% 32,057 $13M $407.27 -$628K -12,628 -28.3%
4 LGND 1.91% 58,460 $12M $199.65 $324K -1,560 -2.6%
5 DRS 1.90% 261,454 $12M $44.52 $3M +4,592 +1.8%
6 KTOS 1.83% 158,844 $11M $70.51 -$3M -31,350 -16.5%
7 GSAT 1.80% 165,665 $11M $66.42 $786K -1,724 -1.0%
8 INSM 1.68% 62,676 $10M $163.52 -$615K +253 +0.4%
9 GHM 1.66% 128,294 $10M $78.92 $1M -12,397 -8.8%
10 MIRM 1.64% 108,338 $10M $92.38 $1M -2,972 -2.7%
11 CECO 1.53% 157,246 $9M $59.58 $124K +2,789 +1.8%
12 HCI 1.46% 57,634 $9M $154.61 -$2M -1,575 -2.7%
13 AGX 1.43% 16,098 $9M $544.65 $111K -11,530 -41.7%
14 AAPL 1.35% 32,580 $8M $253.79 -$1M -2,288 -6.6%
15 BWAY 1.34% 618,553 $8M $13.29 $2M +314,373 +103.3%
16 AEM 1.28% 38,643 $8M $202.98 $1M -1,379 -3.5%
17 AMSC 1.26% 227,558 $8M $33.85 $2M +12,404 +5.8%
18 AMPX 1.23% 445,441 $8M $16.86 $3M -71,324 -13.8%
19 GEV 1.19% 8,319 $7M $872.90 $2M -284 -3.3%
20 PRIM 1.13% 48,177 $7M $143.04 $562K -2,804 -5.5%
21 ADPT 1.12% 493,403 $7M $13.88 -$3M -130,814 -21.0%
22 TTI 1.08% 774,099 $7M $8.52 -$530K +13,706 +1.8%
23 GS 1.05% 7,556 $6M $845.99 -$1M -1,103 -12.7%
24 WLDN 0.98% 78,292 $6M $76.56 -$2M +1,371 +1.8%
25 COHU 0.96% 191,885 $6M $30.62 $1M +3,352 +1.8%
26 MSFT 0.96% 15,791 $6M $370.17 -$3M -1,822 -10.3%
27 MIR 0.94% 309,110 $6M $18.59 -$1M +5,758 +1.9%
28 AMZN 0.93% 27,208 $6M $208.27 -$989K -1,625 -5.6%
29 OII 0.92% 158,374 $6M $35.47 $2M +2,940 +1.9%
30 WMS 0.91% 40,569 $6M $137.13 -$641K -2,266 -5.3%
31 BVS 0.90% 603,258 $6M $9.13 $3M +215,372 +55.5%
32 MAMA 0.86% 341,657 $5M $15.34 $713K +6,033 +1.8%
33 BWXT 0.85% 25,555 $5M $204.49 $516K -1,692 -6.2%
34 PATK 0.84% 46,228 $5M $111.07 $153K +287 +0.6%
35 LYTS 0.83% 274,082 $5M $18.60 $165K +4,834 +1.8%
36 ORN 0.82% 461,772 $5M $10.90 $563K +12,011 +2.7%
37 NVCR 0.81% 452,370 $5M $10.90 +452,370 NEW
38 TVTX 0.79% 161,705 $5M $29.71 -$1M +2,996 +1.9%
39 AIP 0.78% 290,319 $5M $16.44 $353K +5,152 +1.8%
40 AVPT 0.78% 498,482 $5M $9.51 -$2M -9,532 -1.9%
41 ASML 0.77% 3,556 $5M $1,320.83 $625K -250 -6.6%
42 SNDX 0.76% 198,985 $5M $23.36 +198,985 NEW
43 CXDO 0.75% 742,986 $5M $6.17 -$138K +13,109 +1.8%
44 ECG 0.74% 38,098 $4M $118.06 $1M +706 +1.9%
45 XERS 0.71% 747,769 $4M $5.80 -$1M +13,237 +1.8%
46 GMED 0.70% 50,004 $4M $86.16 -$180K -1,405 -2.7%
47 AMBA 0.69% 82,387 $4M $51.48 -$2M -1,456 -1.7%
48 XZO 0.69% 288,111 $4M $14.67 -$3M -2,965 -1.0%
49 FEIM 0.67% 93,026 $4M $44.26 -$803K +1,646 +1.8%
50 JAZZ 0.67% 21,778 $4M $189.05 $174K -1,417 -6.1%
51 PKE 0.67% 149,893 $4M $27.38 $962K +2,645 +1.8%
52 MG 0.65% 268,567 $4M $14.78 +268,567 NEW
53 SMTC 0.64% 50,644 $4M $76.89 $231K +937 +1.9%
54 IDN 0.61% 537,842 $4M $6.99 $2M +215,949 +67.1%
55 MITK 0.61% 275,602 $4M $13.50 +275,602 NEW
56 MRVL 0.59% 36,203 $4M $99.05 +36,203 NEW
57 DAKT 0.58% 182,086 $4M $19.55 $23K +3,210 +1.8%
58 AGIO 0.57% 103,177 $3M $33.83 +103,177 NEW
59 AMTB 0.57% 156,818 $3M $22.04 $450K +2,728 +1.8%
60 SOPH 0.56% 692,809 $3M $4.95 +692,809 NEW
61 BKSY 0.56% 136,104 $3M $25.16 $918K +2,408 +1.8%
62 GFF 0.56% 47,076 $3M $72.68 $19K +876 +1.9%
63 ARQT 0.55% 143,934 $3M $23.56 -$711K +2,663 +1.9%
64 EVER 0.55% 217,075 $3M $15.42 -$3M -14,349 -6.2%
65 BKR 0.55% 54,682 $3M $61.05 $666K -4,010 -6.8%
66 DIOD 0.55% 48,869 $3M $68.26 +48,869 NEW
67 CRM 0.54% 17,854 $3M $186.67 -$2M -1,226 -6.4%
68 OCUL 0.54% 392,718 $3M $8.47 -$1M +6,893 +1.8%
69 APYX 0.54% 901,398 $3M $3.69 +901,398 NEW
70 LQDT 0.54% 108,004 $3M $30.57 $86K +1,916 +1.8%
71 BGC 0.54% 336,781 $3M $9.78 $342K +6,272 +1.9%
72 DLTR 0.53% 29,614 $3M $109.51 -$666K -2,163 -6.8%
73 CON 0.52% 149,625 $3M $21.45 $48K -11,020 -6.9%
74 PEGA 0.52% 74,445 $3M $42.56 -$2M -4,979 -6.3%
75 GWRE 0.52% 21,153 $3M $149.56 -$1M -1,361 -6.0%
76 RSKD 0.51% 803,032 $3M $3.92 +803,032 NEW
77 THRM 0.51% 113,138 $3M $27.78 -$895K +2,101 +1.9%
78 CMCO 0.50% 211,707 $3M $14.53 -$512K +3,717 +1.8%
79 DCBO 0.49% 172,367 $3M $17.47 $769K +71,364 +70.7%
80 MASS 0.49% 491,221 $3M $6.12 $473K +8,607 +1.8%
81 VREX 0.49% 279,551 $3M $10.61 -$230K +5,212 +1.9%
82 LQDA 0.48% 78,171 $3M $37.74 +78,171 NEW
83 STXS 0.48% 1,590,101 $3M $1.84 -$667K +28,082 +1.8%
84 JOUT 0.48% 62,864 $3M $46.51 +62,864 NEW
85 NPCE 0.47% 217,738 $3M $13.15 -$439K +3,846 +1.8%
86 RAIL 0.46% 352,343 $3M $7.97 -$1M +6,199 +1.8%
87 INFU 0.45% 299,332 $3M $9.23 $125K +5,275 +1.8%
88 AXSM 0.45% 16,328 $3M $169.02 -$415K -1,053 -6.1%
89 ARLO 0.45% 192,504 $3M $14.23 $96K +3,585 +1.9%
90 INVE 0.45% 736,608 $3M $3.70 -$54K +12,923 +1.8%
91 SIBN 0.44% 212,488 $3M $12.63 -$1M +3,766 +1.8%
92 TRMB 0.44% 40,964 $3M $65.23 -$745K -2,644 -6.1%
93 EVR 0.44% 8,939 $3M $298.51 -$315K +170 +1.9%
94 XPRO 0.43% 150,315 $3M $17.41 $648K +2,796 +1.9%
95 CCLD 0.42% 697,836 $3M $3.65 $547K +12,932 +1.9%
96 MTDR 0.41% 39,998 $3M $63.18 $864K +802 +2.0%
97 NOVT 0.40% 20,703 $2M $118.11 $25K +366 +1.8%
98 ONT 0.40% 111,473 $2M $21.89 -$279K +1,960 +1.8%
99 PAY 0.39% 94,842 $2M $25.40 -$531K +1,767 +1.9%
100 EXTR 0.39% 158,032 $2M $15.08 -$199K +2,945 +1.9%

New Positions

SymbolValue% Port
NVCR $5M 0.81%
SNDX $5M 0.76%
MG $4M 0.65%
MITK $4M 0.61%
MRVL $4M 0.59%
AGIO $3M 0.57%
SOPH $3M 0.56%
DIOD $3M 0.55%
APYX $3M 0.54%
RSKD $3M 0.51%
LQDA $3M 0.48%
JOUT $3M 0.48%
BDSX $2M 0.31%
LGCY $2M 0.29%
LTRX $2M 0.29%

Sold Out Positions

SymbolValue% Port
PRLB —%
BLDR —%
PHR —%
DE —%
EPD —%
UVE —%
WGO —%
CWAN —%
AIRG —%
DFLI —%
ANGO —%
LASE —%
ARRY —%
LZ —%
BBNX —%
View SEC EDGAR Filings for ESSEX INVESTMENT MANAGEMENT CO LLC →

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms