ESSEX INVESTMENT MANAGEMENT CO LLC

Position in DAIO — Data I/O Corp

CIK 201772 BOSTON, MA

Position in DAIO

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

Position Value

$188,841

-$47,770 QoQ

Shares Held

74,641

0.0% QoQ

Ownership

0.795%

of shares outstanding

% of Portfolio

0.03%

of 13F equity value

Holder Rank

of 29 holders

Holding Since

Mar 2023

13 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Technology · as of Mar 31, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $14,883,797 across 8 Electronic Components names. DAIO ranks #6 (1.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LYTS	Lsi Industries Inc	274,082	$5,097,925
2	DAKT	Daktronics Inc /Sd/	182,086	$3,559,781
3	OUST	Ouster, Inc.	184,585	$3,390,826
4	LPTH	Lightpath Technologies Inc	216,531	$2,171,805
5	CPSH	Cps Technologies Corp/De/	74,114	$277,186
6	DAIO	Data I/O Corp This page	74,641	$188,841
7	RELL	Richardson Electronics, Ltd.	16,092	$176,207
8	APH	Amphenol Corp /De/	168	$21,226

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$188,841	74,641	0.0%	Shares	Sole	2026-05-11
2025-12-31	$236,611	74,641	0.0%	Shares	Sole	2026-02-13
2025-09-30	$249,300	74,641	0.0%	Shares	Sole	2025-11-06
2025-06-30	$231,387	74,641	+70.8%	Shares	Sole	2025-08-12
2025-03-31	$107,042	43,691	+11.8%	Shares	Sole	2025-05-07
2024-12-31	$108,204	39,063	+37.6%	Shares	Sole	2025-02-07
2024-09-30	$72,946	28,384	0.0%	Shares	Sole	2024-10-10
2024-06-30	$78,339	28,384	-65.4%	Shares	Sole	2024-08-12
2024-03-31	$288,604	81,990	+28.2%	Shares	Sole	2024-05-03
2023-12-31	$187,974	63,937	-26.6%	Shares	Sole	2024-02-08
2023-09-30	$332,098	87,165	-5.5%	Shares	Sole	2023-11-09
2023-06-30	$395,520	92,196	+2.0%	Shares	Sole	2023-08-14
2023-03-31	$449,367	90,416	—	Shares	Sole	2023-05-04
No filing history on record for this holder in this stock.