ESSEX INVESTMENT MANAGEMENT CO LLC

PrivateCIK: 201772

Location

BOSTON, MA

305

Positions

$631.74M

Total AUM (reported)

33.09M

Total Shares

Allocation by class

COM$616.53M97.6%

ADR$14.06M2.2%

ETF$1.15M0.2%

Portfolio Concentration

Top 3$47.85M7.6%

4–10$77.89M12.3%

11–25$116.58M18.5%

Rest$389.41M61.6%

Top 3 weight

7.6%

Top 10 weight

19.9%

Voting Authority Distribution

Total shares with voting rights: 33.09M

Sole

Full voting authority

19.54M

% of voting shares59.0%

Shared

Joint voting authority

0.00

% of voting shares0.0%

None

No voting authority

13.56M

% of voting shares41.0%

Investment Discretion (by position count)

Sole305

Shared0

Other0

Dominant voting typeSole · 59.0% of voting shares

Institutional Holdings305

Rows:

TOWER SEMICONDUCTOR LTD

SOLE

COM

Shares115.93K

TypeSH

Market value$20.34M

3.22%

Sole

86.80K

Shared

0.00

None

29.13K

LINCOLN EDL SVCS CORP

SOLE

COM

Shares355.30K

TypeSH

Market value$14.45M

2.29%

Sole

186.63K

Shared

0.00

None

168.68K

STERLING INFRASTRUCTURE INC

SOLE

COM

Shares32.06K

TypeSH

Market value$13.06M

2.07%

Sole

22.39K

Shared

0.00

None

9.67K

KINIKSA PHARMACEUTICALS INTL P

SOLE

COM

Shares249.28K

TypeSH

Market value$12.00M

1.90%

Sole

163.69K

Shared

0.00

None

85.59K

LIGAND PHARMACEUTICALS INC

SOLE

COM

Shares58.46K

TypeSH

Market value$11.67M

1.85%

Sole

43.77K

Shared

0.00

None

14.69K

LEONARDO DRS INC

SOLE

COM

Shares261.45K

TypeSH

Market value$11.64M

1.84%

Sole

137.39K

Shared

0.00

None

124.06K

KRATOS DEFENSE & SEC SOLUTIONS

SOLE

COM

Shares158.84K

TypeSH

Market value$11.20M

1.77%

Sole

101.45K

Shared

0.00

None

57.39K

GLOBALSTAR INC

SOLE

COM

Shares165.66K

TypeSH

Market value$11.00M

1.74%

Sole

108.74K

Shared

0.00

None

56.92K

INSMED INC

SOLE

COM

Shares62.68K

TypeSH

Market value$10.25M

1.62%

Sole

36.12K

Shared

0.00

None

26.56K

GRAHAM CORP

SOLE

COM

Shares128.29K

TypeSH

Market value$10.12M

1.60%

Sole

67.16K

Shared

0.00

None

61.13K

MIRUM PHARMACEUTICALS INC

SOLE

COM

Shares108.34K

TypeSH

Market value$10.01M

1.58%

Sole

80.30K

Shared

0.00

None

28.03K

CECO ENVIRONMENTAL CORP

SOLE

COM

Shares157.25K

TypeSH

Market value$9.37M

1.48%

Sole

81.88K

Shared

0.00

None

75.36K

HCI GROUP INC

SOLE

COM

Shares57.63K

TypeSH

Market value$8.91M

1.41%

Sole

43.39K

Shared

0.00

None

14.24K

ARGAN INC

SOLE

COM

Shares16.10K

TypeSH

Market value$8.77M

1.39%

Sole

8.44K

Shared

0.00

None

7.66K

APPLE INC

SOLE

COM

Shares32.58K

TypeSH

Market value$8.27M

1.31%

Sole

31.79K

Shared

0.00

None

789.00

BRAINSWAY LTD

SOLE

ADR

Shares618.55K

TypeSH

Market value$8.22M

1.30%

Sole

333.28K

Shared

0.00

None

285.27K

AGNICO EAGLE MINES LTD

SOLE

COM

Shares38.64K

TypeSH

Market value$7.84M

1.24%

Sole

38.14K

Shared

0.00

None

501.00

AMERICAN SUPERCONDUCTOR CORP

SOLE

COM

Shares227.56K

TypeSH

Market value$7.70M

1.22%

Sole

164.79K

Shared

0.00

None

62.76K

AMPRIUS TECHNOLOGIES INC

SOLE

COM

Shares445.44K

TypeSH

Market value$7.51M

1.19%

Sole

258.56K

Shared

0.00

None

186.88K

GE VERNOVA INC

SOLE

COM

Shares8.32K

TypeSH

Market value$7.26M

1.15%

Sole

8.13K

Shared

0.00

None

184.00

PRIMORIS SVCS CORP

SOLE

COM

Shares48.18K

TypeSH

Market value$6.89M

1.09%

Sole

47.15K

Shared

0.00

None

1.03K

ADAPTIVE BIOTECHNOLOGIES CORP

SOLE

COM

Shares493.40K

TypeSH

Market value$6.85M

1.08%

Sole

260.93K

Shared

0.00

None

232.47K

TETRA TECHNOLOGIES INC DEL

SOLE

COM

Shares774.10K

TypeSH

Market value$6.60M

1.04%

Sole

404.33K

Shared

0.00

None

369.77K

GOLDMAN SACHS GROUP INC

SOLE

COM

Shares7.56K

TypeSH

Market value$6.39M

1.01%

Sole

7.35K

Shared

0.00

None

208.00

WILLDAN GROUP INC

SOLE

COM

Shares78.29K

TypeSH

Market value$5.99M

0.95%

Sole

40.89K

Shared

0.00

None

37.40K

Issuer	Class	Shares	Type	Value / Portfolio %	Voting — Sole	None
TOWER SEMICONDUCTOR LTDSOLE	COM	115.93K	SH	$20.34M 3.22%	86.80K	29.13K
LINCOLN EDL SVCS CORPSOLE	COM	355.30K	SH	$14.45M 2.29%	186.63K	168.68K
STERLING INFRASTRUCTURE INCSOLE	COM	32.06K	SH	$13.06M 2.07%	22.39K	9.67K
KINIKSA PHARMACEUTICALS INTL PSOLE	COM	249.28K	SH	$12.00M 1.90%	163.69K	85.59K
LIGAND PHARMACEUTICALS INCSOLE	COM	58.46K	SH	$11.67M 1.85%	43.77K	14.69K
LEONARDO DRS INCSOLE	COM	261.45K	SH	$11.64M 1.84%	137.39K	124.06K
KRATOS DEFENSE & SEC SOLUTIONSSOLE	COM	158.84K	SH	$11.20M 1.77%	101.45K	57.39K
GLOBALSTAR INCSOLE	COM	165.66K	SH	$11.00M 1.74%	108.74K	56.92K
INSMED INCSOLE	COM	62.68K	SH	$10.25M 1.62%	36.12K	26.56K
GRAHAM CORPSOLE	COM	128.29K	SH	$10.12M 1.60%	67.16K	61.13K
MIRUM PHARMACEUTICALS INCSOLE	COM	108.34K	SH	$10.01M 1.58%	80.30K	28.03K
CECO ENVIRONMENTAL CORPSOLE	COM	157.25K	SH	$9.37M 1.48%	81.88K	75.36K
HCI GROUP INCSOLE	COM	57.63K	SH	$8.91M 1.41%	43.39K	14.24K
ARGAN INCSOLE	COM	16.10K	SH	$8.77M 1.39%	8.44K	7.66K
APPLE INCSOLE	COM	32.58K	SH	$8.27M 1.31%	31.79K	789.00
BRAINSWAY LTDSOLE	ADR	618.55K	SH	$8.22M 1.30%	333.28K	285.27K
AGNICO EAGLE MINES LTDSOLE	COM	38.64K	SH	$7.84M 1.24%	38.14K	501.00
AMERICAN SUPERCONDUCTOR CORPSOLE	COM	227.56K	SH	$7.70M 1.22%	164.79K	62.76K
AMPRIUS TECHNOLOGIES INCSOLE	COM	445.44K	SH	$7.51M 1.19%	258.56K	186.88K
GE VERNOVA INCSOLE	COM	8.32K	SH	$7.26M 1.15%	8.13K	184.00
PRIMORIS SVCS CORPSOLE	COM	48.18K	SH	$6.89M 1.09%	47.15K	1.03K
ADAPTIVE BIOTECHNOLOGIES CORPSOLE	COM	493.40K	SH	$6.85M 1.08%	260.93K	232.47K
TETRA TECHNOLOGIES INC DELSOLE	COM	774.10K	SH	$6.60M 1.04%	404.33K	369.77K
GOLDMAN SACHS GROUP INCSOLE	COM	7.56K	SH	$6.39M 1.01%	7.35K	208.00
WILLDAN GROUP INCSOLE	COM	78.29K	SH	$5.99M 0.95%	40.89K	37.40K

Page 1 of 13

…