ESSEX INVESTMENT MANAGEMENT CO LLC

Position in CGNX — Cognex Corp

CIK 201772 BOSTON, MA

Position in CGNX

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$1,472,884

+$168,250 QoQ

Shares Held

30,065

-17.1% QoQ

Ownership

0.018%

of shares outstanding

% of Portfolio

0.24%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Mar 31, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $8,150,553 across 6 Scientific & Technical Instruments names. CGNX ranks #3 (18.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TRMB	Trimble Inc.	40,964	$2,672,081
2	NOVT	Novanta Inc	20,703	$2,445,231
3	CGNX	Cognex Corp This page	30,065	$1,472,884
4	BMI	Badger Meter Inc	9,158	$1,395,221
5	GNSS	Genasys Inc.	72,907	$132,690
6	ITRI	Itron, Inc.	362	$32,446

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,472,884	30,065	-17.1%	Shares	Sole	2026-05-11
2025-12-31	$1,304,634	36,260	-7.0%	Shares	Sole	2026-02-13
2025-09-30	$1,766,201	38,989	+14.6%	Shares	Sole	2025-11-06
2025-06-30	$1,079,209	34,023	+22.4%	Shares	Sole	2025-08-12
2025-03-31	$828,975	27,790	-46.3%	Shares	Sole	2025-05-07
2024-12-31	$1,856,508	51,771	-8.1%	Shares	Sole	2025-02-07
2024-09-30	$2,280,595	56,311	-2.0%	Shares	Sole	2024-10-10
2024-06-30	$2,685,987	57,442	-5.9%	Shares	Sole	2024-08-12
2024-03-31	$2,589,783	61,051	-14.7%	Shares	Sole	2024-05-03
2023-12-31	$2,987,457	71,573	-33.6%	Shares	Sole	2024-02-08
2023-09-30	$4,574,734	107,793	-20.1%	Shares	Sole	2023-11-09
2023-06-30	$7,556,985	134,898	-1.7%	Shares	Sole	2023-08-14
2023-03-31	$6,799,300	137,221	-2.9%	Shares	Sole	2023-05-04
2022-12-31	$6,661	141,387	-2.4%	Shares	Sole	2023-02-03
2022-09-30	$6,001,960	144,800	+30.5%	Shares	Sole	2022-11-14
2022-06-30	$4,719,507	110,995	+12.8%	Shares	Sole	2022-08-12
2022-03-31	$7,592,717	98,415	+2.0%	Shares	Sole	2022-05-09
2021-12-31	$7,505,006	96,515	+17.9%	Shares	Sole	2022-02-10
2021-09-30	$6,567,531	81,869	+0.1%	Shares	Sole	2021-11-09
2021-06-30	$6,873,188	81,775	-2.9%	Shares	Sole	2021-08-12
2021-03-31	$6,986,596	84,186	-0.7%	Shares	Sole	2021-05-12
2020-12-31	$6,808,190	84,795	-6.0%	Shares	Sole	2021-02-12
2020-09-30	$5,872,150	90,202	+16.8%	Shares	Sole	2020-11-12
2020-06-30	$4,611,399	77,217	+18.1%	Shares	Sole	2020-08-04
2020-03-31	$2,759,499	65,360	—	Shares	Sole	2020-05-04
No filing history on record for this holder in this stock.