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Portfolio (Quarterly) Guide ↗

ESSEX INVESTMENT MANAGEMENT CO LLC

· CIK 0000201772
13F Portfolio $632M AUM 305 positions Filed May 11, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 28 New 82 Added 84 Reduced 29 Exited
Page 10 of 16  ·  305 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
181 FLNC FLUENCE ENERGY INC Utilities 25,576.0 $352K 0.06% -13K -33.7% $13.76 -43.0%
182 ESOA ENERGY SERVICES OF AMER CORP Industrials 26,088.0 $343K 0.05% — — $13.13 -15.3%
183 STRT STRATTEC SEC CORP Consumer Cyclical 4,207.0 $330K 0.05% — — $78.34 -14.6%
184 VZ VERIZON COMMUNICATIONS INC Communication Services 6,546.0 $329K 0.05% -7K -50.9% $50.20 -6.2%
185 ACLS AXCELIS TECHNOLOGIES INC Technology 3,350.0 $312K 0.05% — — $93.08 +32.3%
186 OPXS OPTEX SYS HLDGS INC Industrials 23,126.0 $306K 0.05% — — $13.22 -21.2%
187 SITM SITIME CORP Technology 850.0 $294K 0.05% — — $345.35 +91.8%
188 GE GE AEROSPACE Industrials 1,034.0 $293K 0.05% -25.0 -2.4% $283.77 +15.3%
189 NVS NOVARTIS AG Healthcare 1,875.0 $286K 0.04% -900.0 -32.4% $152.75 -4.8%
190 PPIH PERMA-PIPE INTL HLDGS INC Industrials 9,526.0 $284K 0.04% — — $29.81 +6.5%
191 CPSH CPS TECHNOLOGIES CORP Technology 74,114.0 $277K 0.04% — — $3.74 +2.9%
192 DUK DUKE ENERGY CORP NEW Utilities 2,105.0 $276K 0.04% -17.0 -0.8% $130.94 -13.4%
193 — BYD CO LTD — 20,199.0 $275K 0.04% -427.0 -2.1% $13.63 —
194 OSS ONE STOP SYS INC Technology 35,534.0 $269K 0.04% -34K -48.8% $7.57 +22.6%
195 ADM ARCHER DANIELS MIDLAND CO Consumer Defensive 3,676.0 $267K 0.04% +56.0 +1.6% $72.69 +11.6%
196 SO SOUTHERN CO Utilities 2,367.0 $228K 0.04% -24.0 -1.0% $96.52 -14.1%
197 TSLA TESLA INC Consumer Cyclical 573.0 $213K 0.03% +102.0 +21.7% $371.75 +0.1%
198 XOM EXXON MOBIL CORP Energy 1,245.0 $211K 0.03% — — $169.66 -5.4%
199 CVGI COMMERCIAL VEH GROUP INC Consumer Cyclical 59,834.0 $204K 0.03% NEW — $3.41 -12.6%
200 — NEUROONE MED TECHNOLOGIES CORP — 261,953.0 $203K 0.03% +74K +39.0% $0.78 —
Page 10 of 16  ·  305 positions

① Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Industrials 26.2%
Technology 25.6%
Healthcare 21.5%
Financial Services 5.9%
Consumer Defensive 4.8%
Energy 4.4%
Communication Services 3.9%
Consumer Cyclical 3.8%
Basic Materials 2.3%
Utilities 1.5%