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Essex Investment Management CO LLC

Portfolio Manager
Essex Investment Management CO LLC
Performance
+12.87% (2026 Q1)
AUM (13F)
$631.74M
# of Holdings
305
Performance Rank
Allocation (Top 20)
33.17%

Essex Investment Management CO LLC Holdings Map

Top 50 Essex Investment Management CO LLC Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
TSEM
TOWER SEMICONDUCTOR LTD
3.22%115.9K$20.3M
-39.82%(-76.69K)
2025-Q1: 173.1K shares2025-Q2: 195.3K shares2025-Q3: 196.3K shares2025-Q4: 192.6K shares2026-Q1: 115.9K shares
$33.89(+546.44%)
2026-03-31
LINC
LINCOLN EDL SVCS CORP
2.29%355.3K$14.5M
-8.62%(-33.52K)
2025-Q1: 387.3K shares2025-Q2: 384.6K shares2025-Q3: 397.4K shares2025-Q4: 388.8K shares2026-Q1: 355.3K shares
$6.16(+748.93%)
2026-03-31
STRL
STERLING INFRASTRUCTURE INC
2.07%32.1K$13.1M
-28.26%(-12.63K)
2025-Q1: 53.9K shares2025-Q2: 53.1K shares2025-Q3: 45.6K shares2025-Q4: 44.7K shares2026-Q1: 32.1K shares
$56.49(+1140.44%)
2026-03-31
KNSA
KINIKSA PHARMACEUTICALS INTL P
1.9%249.3K$12.0M
-0.68%(-1.70K)
2025-Q1: 172.7K shares2025-Q2: 171.4K shares2025-Q3: 247.3K shares2025-Q4: 251.0K shares2026-Q1: 249.3K shares
$19.95(+223.51%)
2026-03-31
LGND
LIGAND PHARMACEUTICALS INC
1.85%58.5K$11.7M
-2.60%(-1.56K)
2025-Q1: 61.7K shares2025-Q2: 60.8K shares2025-Q3: 61.1K shares2025-Q4: 60.0K shares2026-Q1: 58.5K shares
$79.04(+304.28%)
2026-03-31
DRS
LEONARDO DRS INC
1.84%261.5K$11.6M
+1.79%(+4.59K)
2025-Q1: 255.9K shares2025-Q2: 254.0K shares2025-Q3: 262.6K shares2025-Q4: 256.9K shares2026-Q1: 261.5K shares
$14.86(+194.12%)
2026-03-31
KTOS
KRATOS DEFENSE & SEC SOLUTIONS
1.77%158.8K$11.2M
-16.48%(-31.35K)
2025-Q1: 354.7K shares2025-Q2: 350.4K shares2025-Q3: 244.1K shares2025-Q4: 190.2K shares2026-Q1: 158.8K shares
$15.50(+257.10%)
2026-03-31
GSAT
GLOBALSTAR INC
1.74%165.7K$11.0M
-1.03%(-1.72K)
2025-Q1: 0 shares2025-Q2: 0 shares2025-Q3: 194.3K shares2025-Q4: 167.4K shares2026-Q1: 165.7K shares
$29.97(+168.23%)
2026-03-31
INSM
INSMED INC
1.62%62.7K$10.2M
+0.41%(+253)
2025-Q1: 66.8K shares2025-Q2: 66.3K shares2025-Q3: 87.1K shares2025-Q4: 62.4K shares2026-Q1: 62.7K shares
$45.57(+144.88%)
2026-03-31
GHM
GRAHAM CORP
1.6%128.3K$10.1M
-8.81%(-12.40K)
2025-Q1: 139.9K shares2025-Q2: 139.0K shares2025-Q3: 143.7K shares2025-Q4: 140.7K shares2026-Q1: 128.3K shares
$13.59(+749.54%)
2026-03-31

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