ESSEX INVESTMENT MANAGEMENT CO LLC

PrivateCIK: 201772

Location

BOSTON, MA

306

Positions

$763.37M

Total AUM (reported)

35.09M

Total Shares

Allocation by class

COM$743.03M97.3%

ADR$17.00M2.2%

ETF$3.34M0.4%

Portfolio Concentration

Top 3$59.93M7.9%

4–10$93.32M12.2%

11–25$138.79M18.2%

Rest$471.33M61.7%

Top 3 weight

7.9%

Top 10 weight

20.1%

Voting Authority Distribution

Total shares with voting rights: 35.09M

Sole

Full voting authority

20.76M

% of voting shares59.2%

Shared

Joint voting authority

0.00

% of voting shares0.0%

None

No voting authority

14.33M

% of voting shares40.8%

Investment Discretion (by position count)

Sole306

Shared0

Other0

Dominant voting typeSole · 59.2% of voting shares

Institutional Holdings306

Rows:

TOWER SEMICONDUCTOR LTD

SOLE

COM

Shares105.54K

TypeSH

Market value$27.51M

3.60%

Sole

82.30K

Shared

0.00

None

23.24K

LINCOLN EDL SVCS CORP

SOLE

COM

Shares340.37K

TypeSH

Market value$16.98M

2.22%

Sole

183.29K

Shared

0.00

None

157.07K

KINIKSA PHARMACEUTICALS INTL P

SOLE

COM

Shares241.38K

TypeSH

Market value$15.44M

2.02%

Sole

161.97K

Shared

0.00

None

79.41K

OUSTER INC

SOLE

COM

Shares226.03K

TypeSH

Market value$14.13M

1.85%

Sole

142.73K

Shared

0.00

None

83.30K

LIGAND PHARMACEUTICALS INC

SOLE

COM

Shares43.57K

TypeSH

Market value$13.77M

1.80%

Sole

31.49K

Shared

0.00

None

12.08K

CECO ENVIRONMENTAL CORP

SOLE

COM

Shares150.42K

TypeSH

Market value$13.65M

1.79%

Sole

80.36K

Shared

0.00

None

70.06K

STERLING INFRASTRUCTURE INC

SOLE

COM

Shares16.16K

TypeSH

Market value$13.56M

1.78%

Sole

11.74K

Shared

0.00

None

4.42K

ARTERIS INC

SOLE

COM

Shares277.67K

TypeSH

Market value$13.49M

1.77%

Sole

148.28K

Shared

0.00

None

129.39K

MIRUM PHARMACEUTICALS INC

SOLE

COM

Shares105.67K

TypeSH

Market value$12.37M

1.62%

Sole

79.76K

Shared

0.00

None

25.91K

ARGAN INC

SOLE

COM

Shares15.47K

TypeSH

Market value$12.35M

1.62%

Sole

8.30K

Shared

0.00

None

7.16K

GRAHAM CORP

SOLE

COM

Shares93.41K

TypeSH

Market value$11.56M

1.51%

Sole

50.19K

Shared

0.00

None

43.22K

LEONARDO DRS INC

SOLE

COM

Shares250.22K

TypeSH

Market value$10.68M

1.40%

Sole

134.89K

Shared

0.00

None

115.33K

ADAPTIVE BIOTECHNOLOGIES CORP

SOLE

COM

Shares472.76K

TypeSH

Market value$10.14M

1.33%

Sole

256.30K

Shared

0.00

None

216.46K

WERNER ENTERPRISES INC

SOLE

COM

Shares231.63K

TypeSH

Market value$10.10M

1.32%

Sole

168.06K

Shared

0.00

None

63.57K

HCI GROUP INC

SOLE

COM

Shares56.26K

TypeSH

Market value$9.86M

1.29%

Sole

43.11K

Shared

0.00

None

13.15K

GE VERNOVA INC

SOLE

COM

Shares8.28K

TypeSH

Market value$9.73M

1.27%

Sole

8.13K

Shared

0.00

None

150.00

COHU INC

SOLE

COM

Shares131.17K

TypeSH

Market value$9.69M

1.27%

Sole

71.01K

Shared

0.00

None

60.16K

APPLE INC

SOLE

COM

Shares32.43K

TypeSH

Market value$9.38M

1.23%

Sole

31.78K

Shared

0.00

None

643.00

AMERICAN SUPERCONDUCTOR CORP

SOLE

COM

Shares221.93K

TypeSH

Market value$9.21M

1.21%

Sole

163.55K

Shared

0.00

None

58.38K

BRAINSWAY LTD

SOLE

ADR

Shares592.61K

TypeSH

Market value$9.19M

1.20%

Sole

327.42K

Shared

0.00

None

265.19K

TETRA TECHNOLOGIES INC DEL

SOLE

COM

Shares741.01K

TypeSH

Market value$8.40M

1.10%

Sole

396.80K

Shared

0.00

None

344.21K

LSI INDS INC OHIO

SOLE

COM

Shares295.82K

TypeSH

Market value$7.86M

1.03%

Sole

174.41K

Shared

0.00

None

121.41K

MARVELL TECHNOLOGY INC

SOLE

COM

Shares25.91K

TypeSH

Market value$7.72M

1.01%

Sole

25.24K

Shared

0.00

None

675.00

KRATOS DEFENSE & SEC SOLUTIONS

SOLE

COM

Shares153.58K

TypeSH

Market value$7.66M

1.00%

Sole

100.32K

Shared

0.00

None

53.25K

TRAVERE THERAPEUTICS INC

SOLE

COM

Shares133.87K

TypeSH

Market value$7.60M

1.00%

Sole

68.36K

Shared

0.00

None

65.50K

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	None
TOWER SEMICONDUCTOR LTDSOLE	COM	105.54K	SH	$27.51M 3.60%	82.30K	23.24K
LINCOLN EDL SVCS CORPSOLE	COM	340.37K	SH	$16.98M 2.22%	183.29K	157.07K
KINIKSA PHARMACEUTICALS INTL PSOLE	COM	241.38K	SH	$15.44M 2.02%	161.97K	79.41K
OUSTER INCSOLE	COM	226.03K	SH	$14.13M 1.85%	142.73K	83.30K
LIGAND PHARMACEUTICALS INCSOLE	COM	43.57K	SH	$13.77M 1.80%	31.49K	12.08K
CECO ENVIRONMENTAL CORPSOLE	COM	150.42K	SH	$13.65M 1.79%	80.36K	70.06K
STERLING INFRASTRUCTURE INCSOLE	COM	16.16K	SH	$13.56M 1.78%	11.74K	4.42K
ARTERIS INCSOLE	COM	277.67K	SH	$13.49M 1.77%	148.28K	129.39K
MIRUM PHARMACEUTICALS INCSOLE	COM	105.67K	SH	$12.37M 1.62%	79.76K	25.91K
ARGAN INCSOLE	COM	15.47K	SH	$12.35M 1.62%	8.30K	7.16K
GRAHAM CORPSOLE	COM	93.41K	SH	$11.56M 1.51%	50.19K	43.22K
LEONARDO DRS INCSOLE	COM	250.22K	SH	$10.68M 1.40%	134.89K	115.33K
ADAPTIVE BIOTECHNOLOGIES CORPSOLE	COM	472.76K	SH	$10.14M 1.33%	256.30K	216.46K
WERNER ENTERPRISES INCSOLE	COM	231.63K	SH	$10.10M 1.32%	168.06K	63.57K
HCI GROUP INCSOLE	COM	56.26K	SH	$9.86M 1.29%	43.11K	13.15K
GE VERNOVA INCSOLE	COM	8.28K	SH	$9.73M 1.27%	8.13K	150.00
COHU INCSOLE	COM	131.17K	SH	$9.69M 1.27%	71.01K	60.16K
APPLE INCSOLE	COM	32.43K	SH	$9.38M 1.23%	31.78K	643.00
AMERICAN SUPERCONDUCTOR CORPSOLE	COM	221.93K	SH	$9.21M 1.21%	163.55K	58.38K
BRAINSWAY LTDSOLE	ADR	592.61K	SH	$9.19M 1.20%	327.42K	265.19K
TETRA TECHNOLOGIES INC DELSOLE	COM	741.01K	SH	$8.40M 1.10%	396.80K	344.21K
LSI INDS INC OHIOSOLE	COM	295.82K	SH	$7.86M 1.03%	174.41K	121.41K
MARVELL TECHNOLOGY INCSOLE	COM	25.91K	SH	$7.72M 1.01%	25.24K	675.00
KRATOS DEFENSE & SEC SOLUTIONSSOLE	COM	153.58K	SH	$7.66M 1.00%	100.32K	53.25K
TRAVERE THERAPEUTICS INCSOLE	COM	133.87K	SH	$7.60M 1.00%	68.36K	65.50K

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