Company DOOSAN TESNA Inc.

Equities

A131970

KR7131970006

Semiconductor Equipment & Testing

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Sector Semiconductor Testing Equipment & Service

End-of-day quote Korea S.E. Other stock markets 18:00:00 2024-05-12 EDT			5-day change	1st Jan Change
46,650 ^KRW	0.00%		-3.12%	-20.39%

2023	Doosan Investment Co., Ltd. acquired additional 15.3% stake in DOOSAN TESNA Inc. for KRW50 billion.	CI
2023	DOOSAN TESNA Inc. Reports Earnings Results for the First Quarter Ended March 31, 2023	CI

Doosan Tesna Inc, formerly TESNA INC, is a Korea-based company engaged in the provision of semiconductor test services. It provides test solutions such as wafer probe test, package final test, backend and turn-key services for integrated circuits (ICs), normal logic signal devices, high speed devices, mixed signal devices, conductor insulator semiconductors (CISs), charge coupled devices (CCDs), power ICs, radio frequency (RF) devices, system on chip (SoC) devices and others.

KRW in Million	2022	Weight	2023	Weight	Delta
Semiconductor Test Technology and Program Development Service 100.0 %	277,656	100.0 %	338,652	100.0 %	+21.97%

KRW in Million	2022	Weight	2023	Weight	Delta
South Korea 100.0 %	277,656	100.0 %	338,652	100.0 %	+21.97%

Managers	Title	Age	Since
Jong-Do Lee CEO	Chief Executive Officer	61	02-10-10
Jong-Hu Park DFI	Director of Finance/CFO	54	13-11-30
Yong-Jun Park CTO	Chief Tech/Sci/R&D Officer	60	07-06-17
Kee-Moon Kim BRD	Director/Board Member	63	10-01-03
Gi-Hong Kim AUD	Comptroller/Controller/Auditor	61	13-02-28

Members of the board	Title	Age	Since
Seok-Ho Seo BRD	Director/Board Member	63	-
Jong-Do Lee CEO	Chief Executive Officer	61	02-10-10
Kee-Moon Kim BRD	Director/Board Member	63	10-01-03
Jae-Hyeong Jang BRD	Director/Board Member	55	-
Hyeong-Hun Kang BRD	Director/Board Member	44	-
Hyeon-Jae Kim BRD	Director/Board Member	56	-

	Vote	Quantity	Free-Float	Company-owned shares	Total Float
Stock A	1	17,006,566	11,602,040 ( 68.22 %)	88,705 ( 0.5216 %)	68.22 %

Name	Equities	%	Valuation
DOOSAN CORPORATION 43.97 %	7,476,953	43.97 %	265 M ₩
National Pension Service of Korea 6.935 %	1,179,472	6.935 %	42 M ₩
WIRELESS POWER AMPLIFIER MODULE INC. 3.763 %	640,000	3.763 %	23 M ₩
Hanwha Asset Management Co., Ltd. 3.700 %	629,320	3.700 %	22 M ₩
Tesna, Inc. Employee Stock Ownership Associate 0.6870 %	116,840	0.6870 %	4 M ₩
DOOSAN TESNA INC. 0.5216 %	88,705	0.5216 %	3 M ₩
HANWHA LIFE INSURANCE CO., LTD. 0.2463 %	41,885	0.2463 %	1 M ₩
Byung-cheol Choi 0.2305 %	39,200	0.2305 %	1 M ₩
Pension Reserves Investment Management Board 0.0671 %	11,404	0.0671 %	404 722 ₩
Shinhan Asset Management Co., Ltd. 0.0270 %	4,586	0.0270 %	162 755 ₩

Name	Equities	%	Valuation
DOOSAN CORPORATION 100.00 %	2,320,672	100.00 %	82 M ₩

Name	Equities	%	Valuation
DOOSAN TESNA INC. 0.52%	88,705	0.52%	3,148,093 $

DOOSAN TESNA, Inc.

72 Sandan-ro 16 beon-gil

17746, Pyeongtaek-si

http://www.doosan-tesna.com

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Technology Equipment

Semiconductors & Semiconductor Equipment

Semiconductor Equipment & Testing

Semiconductor Testing Equipment & Service

	1st Jan change	Capi.
DOOSAN TESNA INC.	-20.39%	565M
KLA CORPORATION	+22.85%	96.71B
ADVANTEST CORPORATION	+10.30%	24.23B
LASERTEC CORPORATION	+10.68%	23.69B
TONGFU MICROELECTRONICS CO.,LTD	-15.01%	4.2B
TIANSHUI HUATIAN TECHNOLOGY CO., LTD.	-4.46%	3.65B
KING YUAN ELECTRONICS CO., LTD.	+0.59%	3.24B
HANGZHOU CHANGCHUAN TECHNOLOGY CO.,LTD	-27.98%	2.44B
ISC CO., LTD.	-3.11%	1.16B
SIGURD MICROELECTRONICS CORPORATION	+17.33%	1.08B

Semiconductor Testing Equipment & Service