1. South Korea Stocks

  2. •

    Utilities

  3. •

    Alternative power generation
APTN Inc.

APTN Inc.

KKRX:270520
669.00
KRW
+31.00
(+4.86%)
-1,479.20EPS
42.56BMarket Cap
2017 Y
2018 Y
2019 Y
2020 Y
2021 Y
2022 Y
2023 Y
2024 Y
2025 Y
TTM
Revenue per Share
- -
- -
5,164.13
3,649.05
2,701.73
1,874.67
1,672.59
1,250.98
937.39
785.92
Basic EPS, GAAP
5.08
33.33
390
-433.33
-100
-346.67
-409.92
-1,350
-1,300
-1,479.2
Free Cash Flow per Basic Share
-22.5
31.72
-621.1
19.24
452.59
-113.13
-725.92
-731.39
-3,083.03
-213.33
Dividend per Share
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
Book Value per Share
6,149.48
6,183.61
13,194.6
3,235.35
3,132.12
3,839.59
4,472.84
5,062.18
4,841.79
4,013.95
Tangible Book Value per Share
6,149.48
6,183.61
12,940.72
3,234.38
3,131.6
3,667.19
4,283.92
4,942.5
4,739.66
3,908.61
Basic Weighted Avg Shares
1
1
7
8
9
9
12
15
18
20
Sales/Revenue/Turnover
- -
- -
35,808
30,370
25,135
17,563
20,415
18,378
16,895
15,403
Operating Margin (%)
- -
- -
9
3.73
-4.46
-17.84
-32.07
-69.39
-66.03
-50.32
Depreciation Expense
- -
- -
93
107
117
116
510
1,164
831
885
Net Income, GAAP
4
47
2,704
-3,606
-930
-3,248
-5,003
-19,832
-23,431
-28,989
Effective Tax Rate (%)
2.06
15.94
16.26
- -
- -
- -
- -
- -
- -
- -
Profit Margin (%)
- -
- -
7.55
-11.88
-3.7
-18.49
-24.51
-107.92
-138.68
-188.21
Working Capital
9,440
8,559
15,552
24,834
24,011
35,146
34,632
65,137
-33,627
-34,234
LT Debt
933
952
21
60
49
44
173
225
205
152
Total Equity
8,490
8,537
18,216
30,211
29,325
42,362
58,426
80,383
95,184
78,910
Return on Invested Capital (%)
- -
-0.42
17.97
- -
- -
- -
- -
- -
- -
- -
Return on Capital (%)
- -
0.64
18.24
- -
- -
- -
- -
- -
- -
- -
Return on Common Equity (%)
- -
0.55
20.22
-14.89
-3.13
-9.06
-9.93
-28.57
-26.69
-31.87

Capital Structure

KRW

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
ST Debt
62,105
62,050
69,792
LT Borrowings
- -
- -
- -
LT Finance Leases
205
176
152
Preferred Equity and Hybrid Capital
- -
- -
- -
Shares Outstanding
20
20
20
Market Capitalization
68,216
34,993
42,562

Working Capital

KRW

•

in mil. unless spec.
Dec'25
Mar'26
Jun'26
Total Current Assets
30,923
33,483
38,399
Cash, Cash Equivalents & STI
9,763
3,984
4,755
Accounts Receivable, Net
1,974
2,717
1,118
Inventories
- -
- -
- -
Total Current Liabilities
64,551
65,783
72,632
Payables & Accruals
- -
- -
- -
ST Debt
62,105
62,050
69,792
Deferred Revenue
- -
- -
- -

Growth Rates

KRW

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
- -
27.09%
18.41%
Free Cash Flow
- -
715.85%
417.18%
Net Income, GAAP
- -
108.7%
18.15%
Sales/Revenue/Turnover
- -
-9.83%
-8.06%
Total Cash Common Dividend
- -
- -
- -

Quarterly Revenue

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
4,870
5,270
4,404
3,833
18,378
2025
6,568
2,834
5,172
2,321
16,895
2026
4,541
3,368
- -
- -
- -

Quarterly Earnings Per Share

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
-100
-190
-170
-781.37
-1,350
2025
510
-9,180
-219.75
-388.31
-1,300
2026
-672.27
-197
- -
- -
- -

Quarterly Dividends Per Share

KRW

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2024
- -
- -
- -
- -
- -
2025
- -
- -
- -
- -
- -
2026
- -
- -
- -
- -
- -

Company Description

Company Profile APIChatGPT
CEO
Jae-Seob Kim
Full Time Employees
53
Sector
Utilities
Industry
Alternative power generation
Address
402, Building B Seongnam-si GY South Korea
IPO Date
Aug 22, 2017
Website
genone.co.kr
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Business
APTN Inc. (270520.KQ), formerly Geolit Energy Co. Ltd., engages primarily in the thermal energy construction business in South Korea, providing geothermal heating and cooling systems, hydrothermal heating and cooling systems, solar energy systems, and fuel cell systems for buildings and power generation; it also pursues lithium extraction activities. The company serves residential customers and public institutions through mechanical and electrical construction services, with operations concentrated in Korea where it generates all sales from geothermal construction and service segments. Founded in 2002 and headquartered in Seongnam-si, South Korea, APTN Inc. recently changed its name from APT Neuroscience Inc. in August 2025, following a prior rebranding from Geolit Energy Co. Ltd. in February 2025, and secured orders including a 6.6 billion won contract in July 2025 and a 2.2 billion won order in May 2025.