Essex Investment Management Company LLC

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Essex Investment Management Company LLC ✚
CRD #	109962
SEC #	801-55496
CIK #	0000201772, 0001889147
AUM	712.7 M (2026-03-30)
Employees	13 (69% Investors, 0% Brokers)
Fees
Minimum
Phone	617-342-3200
Address	125 High Street Boston, MA 02110
Source	[IAPD] [EDGAR] [Website] [LinkedIn]

Total AUM ($B) Copy

CIK	Period
0000201772 0001889147	2026-03-31 2025-12-31 2025-09-30 2025-06-30 2025-03-31 2024-12-31 2024-09-30 2024-06-30 2024-03-31 2023-12-31 2023-09-30 2023-06-30 2023-03-31 2022-12-31 2022-09-30 2022-06-30 2022-03-31 2021-12-31 2021-09-30 2021-06-30 2021-03-31 2020-12-31 2020-09-30 2020-06-30 2020-03-31 2019-12-31 2019-09-30 2019-06-30 2019-03-31 2018-12-31 2018-09-30 2018-06-30 2018-03-31 2017-12-31 2017-09-30 2017-06-30 2017-03-31 2016-12-31 2016-09-30 2016-06-30 2016-03-31 2015-12-31 2015-09-30 2015-06-30 2015-03-31 2014-12-31 2014-09-30 2014-06-30 2014-03-31 2013-12-31 2013-09-30 2013-06-30 2013-03-31 2012-12-31 2012-09-30 2012-06-30 2012-03-31 2011-12-31

CIK

Period

0000201772 0001889147

Sector	Form 13F Holdings	Value ($M)
	Tower Semiconductor Ltd	20.3
	Lincoln Educational Services Corp	14.5
	Sterling Construction Co Inc	13.1
	Kiniksa Pharmaceuticals Ltd	12.0
	Ligand Pharmaceuticals Inc	11.7
	Leonardo DRS Inc	11.6
	Kratos Defense & Security Solutions Inc	11.2
	Globalstar Inc	11.0
	Insmed Inc	10.2
	Graham Corp	10.1
	Mirum Pharmaceuticals Inc	10.0
	CECO Environmental Corp	9.4
	Homeowners Choice Inc	8.9
	Argan Inc	8.8
	Apple Inc	8.3
	Brainsway Ltd	8.2
	Agnico Eagle Mines Ltd	7.8
	American Superconductor Corp /DE/	7.7
	Kensington Capital Acquisition Corp IV	7.5
	GE Vernova Inc	7.3
	Primoris Services Corp	6.9
	Adaptive Biotechnologies Corp	6.8
	Tetra Technologies Inc	6.6
	Goldman Sachs Group Inc	6.4
	Willdan Group Inc	6.0
	COHU Inc	5.9
	Microsoft Corp	5.8
	GS Acquisition Holdings Corp II	5.7
	Amazon Com Inc	5.7
	Oceaneering International Inc	5.6
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Type	Form D Funds	Date	Sold	AUM
HF	Essex GEOS Long Short Fund LLC	2018-03-29		1.3 M
HF	Essex Evolution Long/Short Fund LLC	[2014-03-24]	1.1 M	12.8 M
	Filed 2019-01-14 (D) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Revenue Decline to Disclose
HF	Essex US Energy Renaissance Fund LLC	2014-03-24		1.8 M
HF	Essex Alpha Fund A SEP Series of Essex Qualified Purchasers Fund LLC	[2012-03-30]	4.0 M	4.7 M
	Filed 2012-11-02 (D/A) · Exemption 506, 3(c), 3(c)(7) · Minimum $1,000,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Essex Climate Change Fund LLC	[2012-03-30]	5.8 M	4.9 M
	Filed 2016-02-11 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Essex Concentrated Growth Fund LS LLC	2012-03-30		1.7 M
HF	Essex Flexport Fund LP	[2012-03-30]	5.1 M	2.3 M
	Filed 2013-11-26 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Essex Global Life Sciences Fund LP	[2012-03-30]	4.7 M	16.7 M
	Filed 2016-02-11 (D/A) · Exemption 506(b), 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Essex Gobal Emerging Growth Fund	[2012-03-30]	1.0 M	0.8 M
	Filed 2012-11-02 (D/A) · Exemption 506, 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
HF	Essex Income & Growth Fund LLC	[2012-03-30]	5.0 M	4.6 M
	Filed 2012-11-02 (D/A) · Exemption 506, 3(c), 3(c)(1) · Minimum $500,000 · Remaining Indefinite · Duration More than one year · Net Assets Decline to Disclose
View All

AUM Breakdown	Accounts	AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals)	35	0.1
(b) Individuals (high net worth individuals)	55	0.1
(c) Banking or thrift institutions	0	0.0
(d) Investment companies	2	0.1
(e) Business development companies	0	0.0
(f) Pooled investment vehicles	2	0.1
(g) Pension and profit sharing plans	1	0.0
(h) Charitable organizations	14	0.1
(i) State or municipal government entities	8	0.2
(j) Other investment advisers	0	0.0
(k) Insurance companies	0	0.0
(l) Sovereign wealth funds and foreign official institutions	0	0.0
(m) Corporations or other businesses not listed above	0	0.0
(n) Other	0	0.0
Total	117	0.7
By Discretionary
Discretionary	117	0.7
Non-Discretionary	0	0.0
Total	117	0.7
By Non-United States Persons
Non-United States Persons		0.0
United States Persons		0.7
Total	117	0.7

Form D Directors	Role	# Filings	# Firms
Michael McCarthy	Executive Officer	56	5
Joseph McNay	Executive Officer	31	2
Stephen Cutler	Executive Officer	23	2
Nancy Prial	Executive Officer	20	2
Christopher McConnell	Executive Officer	15	2
Essex Investment Management Co LLC	Executive Officer	14	2
Stephen Clark	Executive Officer	13	2
Robert Uek	Executive Officer	9	2
William Page	Executive Officer	6	2
Joe McNay	Executive Officer	5	2
View All

EDGAR Form	CIK	2011 - 2026
13F-HR	[0000201772]
SC 13G	[0000201772]
13F-HR	[0001889147]

Form 13D/13G Filer	Form 13D/13G Subject	Filed
Essex Investment Management Co LLC	Crumbs Bake Shop Inc	[2012-06-08]
Essex Investment Management Co LLC	Crumbs Bake Shop Inc	[2012-01-11]

Firm Profile (Form ADV)
Discretionary AUM	$0.7B
Serves	Institutional, Retail
Fund Types	Hedge Fund
LEI	5493006L0QZW93PSTY37

Comparable Firms	State	AUM
Element Wealth LLC ✚	MS	743.7 M
Great Point Wealth Advisors LLC ✚	MA	725.8 M
Bitwise Investment Manager LLC ✚	CA	721.8 M
Drake Capital Advisors LLC ✚	CT	713.4 M
Frontier Global Partners LLC ✚	CA	713.1 M
Covision Advisors LLC ✚	NY	708.4 M
Black Swift Group LLC ✚	CO	694.1 M
UNIO Capital LLC ✚	NJ	691.5 M
Lazari Capital Management Inc ✚	CA	691.1 M
Brasada Capital Management LP ✚	TX	679.1 M

Essex Investment Management Company LLC

Assets, Funds, Holdings