ESSEX INVESTMENT MANAGEMENT CO LLC

Position in TSEM — Tower Semiconductor Ltd

CIK 201772 BOSTON, MA

Position in TSEM

as of Jun 30, 2026 · filed Aug 6, 2026 Compact

Position Value

$27,508,727

+$7,164,805 QoQ

Shares Held

105,543

-9.0% QoQ

Ownership

0.093%

of shares outstanding

% of Portfolio

3.70%

of 13F equity value

Holder Rank

#78

of 448 holders

Holding Since

Mar 2024

10 quarters on record

Voting authority Sole 78% Shared 0% None 22%

Technology · as of Jun 30, 2026

ESSEX INVESTMENT MANAGEMENT CO LLC holds $66,189,661 across 13 Semiconductors names. TSEM ranks #1 (41.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	TSEM	Tower Semiconductor Ltd This page	105,543	$27,508,727
2	AIP	Arteris, Inc.	277,665	$13,491,742
3	MRVL	Marvell Technology, Inc.	25,911	$7,718,627
4	SMTC	Semtech Corp	38,226	$6,186,878
5	DIOD	Diodes Inc /Del/	46,732	$5,114,350
6	MTSI	MACOM Technology Solutions Holdings, Inc.	4,919	$1,871,040
7	ON	On Semiconductor Corp	19,369	$1,831,145
8	AMBQ	Ambiq Micro, Inc.	13,679	$1,207,855

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$27,508,727	105,543	-9.0%	Shares	Sole	2026-08-06
2026-03-31	$20,343,922	115,933	-39.8%	Shares	Sole	2026-05-11
2025-12-31	$22,618,379	192,628	-1.9%	Shares	Sole	2026-02-13
2025-09-30	$14,195,309	196,339	+0.5%	Shares	Sole	2025-11-06
2025-06-30	$8,466,081	195,296	+12.8%	Shares	Sole	2025-08-12
2025-03-31	$6,171,283	173,059	-5.6%	Shares	Sole	2025-05-07
2024-12-31	$9,446,521	183,392	+2.1%	Shares	Sole	2025-02-07
2024-09-30	$7,948,166	179,579	+7.5%	Shares	Sole	2024-10-10
2024-06-30	$6,565,870	167,028	+1.2%	Shares	Sole	2024-08-12
2024-03-31	$5,520,186	165,028	—	Shares	Sole	2024-05-03
No filing history on record for this holder in this stock.