1. South Korea Stocks

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    Semiconductors
Tesna Inc.

Tesna Inc.

131970.KQ
Tesna Inc.KR flagKOSDAQ
99,900.00
KRW
+9,200.00
- -
1.92TMarket Cap
Tesna Inc.
131970.KQ
(KOSDAQ)

Recent

price

99,900.00

P/E

ratio

- -

div

yld

- -

ROIC.AI

2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
TTM
FRC
4,577.37
5,624.74
3,542.13
2,502.37
2,250.88
3,536.88
4,891.57
3,533.63
8,044.98
12,217.49
16,341.12
19,686.76
19,394.3
15,696.36
16,705.69
Revenue per Share
658
905
347.5
-310
55
674
1,216.5
781.5
2,260
2,776
3,080
2,853
1,911.86
78
1,369.42
Basic EPS, GAAP
-324.17
1,618.44
1,238
360.55
516.54
225.75
613.01
-1,658.26
-7,792.24
1,225.52
-5,325.78
2,122.75
1,852.76
6,323.56
6,303.17
Free Cash Flow per Basic Share
- -
- -
83.58
60.01
- -
- -
- -
41.39
96.18
130.01
160
158.04
160
159
- -
Dividend per Share
2,909.27
3,836.38
3,678.08
3,302.05
3,407.67
4,089.67
5,230.45
3,335.68
8,016.37
10,343.76
13,375.19
15,539.07
15,729.32
15,593.39
15,969.8
Book Value per Share
3,256.75
4,845.09
4,659.31
4,295.73
4,347.28
5,021.67
6,104.36
5,938.61
13,517.96
15,376.04
18,049.01
23,178.37
22,160.27
22,155.25
22,589.89
Tangible Book Value per Share
12
12
14
14
13
13
13
27
16
17
17
17
19
19
19
Basic Weighted Avg Shares
55,251
67,808
47,834
33,822
30,280
47,189
65,268
96,831
132,519
207,584
277,656
338,652
373,118
303,874
321,408
Sales/Revenue/Turnover
19.6
23.65
16.03
-9.81
-4.66
20.91
28.73
24.98
23.06
26.04
24.19
17.95
10.16
-0.31
7.37
Operating Margin (%)
18,277
20,148
19,340
17,257
13,939
13,436
13,511
25,957
52,842
88,002
123,992
167,786
188,766
167,148
158,431
Depreciation Expense
7,942
10,910
4,693
-4,190
740
8,992
16,232
21,415
37,227
47,166
52,333
49,077
36,781
1,510
26,347
Net Income, GAAP
- -
11.15
28.5
- -
- -
11.64
13.45
5.37
- -
8.83
14.32
- -
- -
- -
25.89
Effective Tax Rate (%)
14.38
16.09
9.81
-12.39
2.44
19.06
24.87
22.12
28.09
22.72
18.85
14.49
9.86
0.5
8.2
Profit Margin (%)
-10,462
1,987
2,545
4,171
7,900
8,688
16,348
83,204
-85,090
-80,623
-167,752
-14,067
-69,534
43,213
55,629
Working Capital
35,578
21,389
10,886
6,243
3,385
5,819
7,889
105,663
80,742
103,876
181,264
220,040
163,738
148,190
139,298
LT Debt
39,342
58,417
62,921
58,061
58,482
66,999
81,450
163,314
223,831
262,411
309,834
403,637
437,667
437,077
442,868
Total Equity
- -
14.48
5.66
- -
- -
11.17
17.38
11.33
- -
11.25
10.17
- -
- -
- -
- -
Return on Invested Capital (%)
- -
14.61
6.89
- -
- -
14.31
20.55
14.69
- -
14.44
12.13
- -
- -
- -
5
Return on Capital (%)
- -
26.82
9.78
-8.89
1.64
17.91
26.11
26.57
33.32
30.65
25.97
19.85
12.91
0.5
8.93
Return on Common Equity (%)

Capital Structure

FRC

•

in mil. unless spec.
Sep'25
Dec'25
Mar'26
ST Debt
127,972
80,650
72,949
LT Borrowings
103,000
139,500
128,400
LT Finance Leases
15,974
8,690
10,898
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
19
19
19
Market Capitalization
766,609
1,023,428
1,948,954

Working Capital

FRC

•

in mil. unless spec.
Sep'25
Dec'25
Mar'26
Total Current Assets
129,194
160,045
151,574
Cash, Cash Equivalents & STI
92,585
114,208
103,292
Accounts Receivable, Net
34,085
36,631
36,887
Inventories
400
255
234
Total Current Liabilities
147,041
116,831
95,944
Payables & Accruals
- -
- -
- -
ST Debt
127,972
80,650
72,949
Deferred Revenue
- -
- -
- -

Growth Rates

FRC

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
24.83%
14.78%
-0.13%
Free Cash Flow
-86.57%
-110.02%
243.45%
Net Income, GAAP
109.45%
-17.9%
-95.89%
Sales/Revenue/Turnover
27.29%
20.8%
-18.56%
Total Cash Common Dividend
- -
- -
- -

Quarterly Revenue

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
91,777
99,809
98,702
82,829
373,118
2025
59,296
75,901
83,214
85,463
303,874
2026
76,829
- -
- -
- -
- -

Quarterly Earnings Per Share

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
356.63
1,224.25
309.13
- -
1,911.86
2025
-852
-43.94
149.7
- -
78
2026
439.08
- -
- -
- -
- -

Quarterly Dividends Per Share

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
- -
- -
- -
- -
160
2025
- -
- -
- -
- -
159
2026
- -
- -
- -
- -
- -
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Business
DOOSAN TESNA Inc. provides semiconductor testing services primarily in South Korea, specializing in wafer probe testing, final package testing, backend processes, and turn-key solutions for integrated circuits including SoC (System on Chip), CIS (CMOS Image Sensor), MCU (Micro Controller Unit), and Smartcard ICs; it also offers test program development and wafer test sales for semiconductors used in mobile devices, automobiles, appliances, industrial goods, and security applications. Founded in 2002 and headquartered in Pyeongtaek-si, South Korea, the company operates within the technology sector's semiconductors industry, serving major clients such as Samsung Electronics' foundry and System LSI divisions, which account for over 90% of its revenue with CIS comprising 35%. In recent developments, DOOSAN TESNA invests KRW 170 billion (approximately US$120 million) in advanced testing equipment from suppliers like Samsung's Semes, Advantest, and Interaction, with deliveries through 2027 to meet surging demand for CIS testing tied to Samsung's production for Apple; it also advances construction of its Pyeongtaek 2nd Plant, a KRW 220 billion facility spanning 15,870 square meters set for completion in the first half of 2027 to expand capacity for new system semiconductors.