Korean company earnings: Q2 2026

Rankings built from quarterly, half-year and annual reports filed by KOSPI and KOSDAQ companies on DART.

Companies2,545

Operating profit, YoY+236.3%2,540 comparable

Back to profit280

Swung to loss228

Results for Q2 2026 from 2,545 Korean listed companies, based on periodic reports filed on DART. Combined operating profit of the 2,540 companies with year-earlier figures was ₩268.5tn, up 236.3% year on year. 280 companies returned to an operating profit and 228 swung to a loss. Samsung Electronics posted the largest operating profit (₩89.5tn).

Largest operating profit

#	Company	Revenue	Operating profit	YoY
1	Samsung Electronics KOSPI	₩171.5tn	₩89.5tn	+1813.8%
2	SK hynix KOSPI	₩79.3tn	₩60.5tn	+557.2%
3	SK Square KOSPI	₩329bn	₩19.2tn	+1272.9%
4	SK KOSPI	₩42.1tn	₩4.84tn	+2326.0%
5	HD Hyundai KOSPI	₩22.4tn	₩4.12tn	+262.2%
6	SK Innovation KOSPI	₩29.2tn	₩3.49tn	Back to profit
7	Hyundai Motor KOSPI	₩49.2tn	₩2.85tn	-20.8%
8	KB Financial Group KOSPI	–	₩2.71tn	+27.2%
9	Kia KOSPI	₩33.0tn	₩2.63tn	-4.9%
10	Mirae Asset Securities KOSPI	₩21.6tn	₩2.49tn	+397.5%
11	Shinhan Financial Group KOSPI	–	₩2.48tn	+22.9%
12	Hanwha KOSPI	₩28.6tn	₩2.41tn	+80.4%
13	GS Holdings KOSPI	₩7.41tn	₩1.72tn	+254.4%
14	HD Korea Shipbuilding & Offshore Engineering KOSPI	₩8.93tn	₩1.65tn	+72.5%
15	Hana Financial Group KOSPI	–	₩1.59tn	+6.8%
16	LG Electronics KOSPI	₩23.8tn	₩1.58tn	+147.0%
17	Kookmin Bank	–	₩1.51tn	-3.3%
18	Hanwha Aerospace KOSPI	₩9.29tn	₩1.37tn	+57.9%
19	Korea Investment Holdings KOSPI	–	₩1.34tn	+129.6%
20	KEB Hana Bank	–	₩1.33tn	-4.4%
21	Woori Financial Group KOSPI	–	₩1.32tn	+18.7%
22	DB Insurance KOSPI	–	₩1.17tn	+47.0%
23	Korea Electric Power KOSPI	₩21.9tn	₩1.13tn	-47.2%
24	Woori Bank	–	₩1.08tn	-1.7%
25	HD Hyundai Heavy Industries KOSPI	₩6.33tn	₩1.04tn	+120.6%
26	Samsung C&t KOSPI	₩12.0tn	₩1.03tn	+37.1%
27	Hyundai Mobis KOSPI	₩16.3tn	₩975bn	+12.1%
28	Meritz Financial Group KOSPI	–	₩968bn	+1.9%
29	S-Oil KOSPI	₩11.3tn	₩965bn	Back to profit
30	Industrial Bank OF Korea KOSPI	–	₩915bn	-1.3%

Fastest operating profit growth vs. same quarter last year

#	Company	Revenue	Operating profit	YoY
1	Daeduck Electronics KOSPI	₩401bn	₩70.3bn	+3666.0%
2	Jeju Semiconductor KOSDAQ	₩290bn	₩122bn	+2709.5%
3	Isu Chemical KOSPI	₩743bn	₩96.6bn	+2370.2%
4	SK KOSPI	₩42.1tn	₩4.84tn	+2326.0%
5	LG Innotek KOSPI	₩5.53tn	₩246bn	+2057.3%
6	Samsung Electronics KOSPI	₩171.5tn	₩89.5tn	+1813.8%
7	SK Square KOSPI	₩329bn	₩19.2tn	+1272.9%
8	Aju IB Investment KOSDAQ	–	₩38.1bn	+1132.8%
9	HJ Shipbuilding & Construction KOSPI	₩730bn	₩64.9bn	+1114.7%
10	NC KOSPI	₩771bn	₩174bn	+1053.0%
11	Simmtech KOSDAQ	₩515bn	₩62.9bn	+1034.4%
12	Dongbu KOSPI	₩596bn	₩18.0bn	+1014.4%
13	Unitrontech KOSDAQ	₩340bn	₩38.5bn	+972.9%
14	Mirae KOSPI	₩30.8bn	₩10.4bn	+899.3%
15	Sfa Nexel KOSDAQ	₩69.0bn	₩13.6bn	+890.9%
16	Seers KOSDAQ	₩28.4bn	₩12.9bn	+771.8%
17	Youlchon Chemical KOSPI	₩156bn	₩9.5bn	+746.1%
18	Mirai Semiconductors KOSDAQ	₩340bn	₩28.2bn	+645.5%
19	Shinwon KOSPI	₩310bn	₩7.6bn	+644.1%
20	Nexturn&rollkorea KOSDAQ	₩37.1bn	₩8.2bn	+633.9%
21	Ilshin Spinning KOSPI	₩139bn	₩12.5bn	+613.7%
22	LOTTE Fine Chemical KOSPI	₩586bn	₩61.9bn	+610.6%
23	Hotel Shilla KOSPI	₩972bn	₩61.1bn	+606.0%
24	Green Chemical KOSPI	₩91.9bn	₩7.5bn	+586.6%
25	Seegene KOSDAQ	₩136bn	₩21.6bn	+586.4%
26	Creas F&C KOSDAQ	₩89.8bn	₩10.9bn	+578.1%
27	CJ Cgv KOSPI	₩594bn	₩11.5bn	+568.1%
28	Samt KOSDAQ	₩2.58tn	₩148bn	+563.5%
29	SK hynix KOSPI	₩79.3tn	₩60.5tn	+557.2%
30	kakaopay KOSPI	₩335bn	₩58.6bn	+528.2%

Fastest revenue growth vs. same quarter last year

#	Company	Revenue	Revenue YoY	Operating profit
1	Jeju Semiconductor KOSDAQ	₩290bn	+467.8%	₩122bn
2	Oscotec KOSDAQ	₩52.6bn	+425.6%	₩38.7bn
3	LS Securities KOSDAQ	₩2.30tn	+388.2%	₩58.1bn
4	SGA Solutions KOSDAQ	₩49.1bn	+376.8%	₩1.4bn
5	Samyoung M-tek C0 KOSDAQ	₩131bn	+343.4%	₩3.2bn
6	LS Networks KOSPI	₩2.38tn	+333.2%	₩63.1bn
7	Sphere KOSDAQ	₩77.1bn	+308.6%	₩1.7bn
8	Asicland KOSDAQ	₩59.7bn	+306.6%	₩8.0bn
9	CosLeaguer Global KOSDAQ	₩42.4bn	+303.8%	−₩600m
10	NextEye KOSDAQ	₩65.2bn	+297.7%	−₩362m
11	KB Securities	₩12.3tn	+281.7%	₩601bn
12	Alteogen KOSDAQ	₩68.9bn	+269.5%	₩34.2bn
13	SK eternix KOSPI	₩241bn	+268.8%	₩4.7bn
14	Hanwha Investment&securities KOSPI	₩3.23tn	+263.6%	₩55.6bn
15	Showbox KOSDAQ	₩67.6bn	+257.6%	₩12.5bn
16	SK hynix KOSPI	₩79.3tn	+256.8%	₩60.5tn
17	KIWOOM Securities KOSPI	₩16.1tn	+256.7%	₩789bn
18	Daou Technology KOSPI	₩16.2tn	+252.2%	₩818bn
19	Daou Data KOSDAQ	₩16.4tn	+246.2%	₩832bn
20	Eugene Investment & Securities KOSPI	₩1.50tn	+230.0%	₩87.6bn
21	Hanyang Securities KOSPI	₩813bn	+229.9%	₩25.5bn
22	Fadu KOSDAQ	₩73.2bn	+209.0%	₩16.2bn
23	Telcon RF Pharmaceutical KOSDAQ	₩28.9bn	+188.5%	−₩806m
24	iA KOSDAQ	₩30.1bn	+188.4%	₩1.5bn
25	Mirae Asset Securities KOSPI	₩21.6tn	+181.1%	₩2.49tn
26	Samt KOSDAQ	₩2.58tn	+181.1%	₩148bn
27	Fidelix KOSDAQ	₩33.4bn	+179.8%	₩9.6bn
28	Y2 Solution KOSPI	₩87.4bn	+172.4%	₩665m
29	Nexturn&rollkorea KOSDAQ	₩37.1bn	+165.5%	₩8.2bn
30	Justem KOSDAQ	₩29.3bn	+159.4%	₩9.3bn

Returned to operating profit

#	Company	Revenue	Operating profit	YoY
1	SK Innovation KOSPI	₩29.2tn	₩3.49tn	Back to profit
2	S-Oil KOSPI	₩11.3tn	₩965bn	Back to profit
3	Samsung Sdi KOSPI	₩3.77tn	₩204bn	Back to profit
4	Hyosung Chemical KOSPI	₩871bn	₩171bn	Back to profit
5	Lotte Chemical KOSPI	₩5.69tn	₩110bn	Back to profit
6	OCI Holdings Company KOSPI	₩1.02tn	₩108bn	Back to profit
7	PearlAbyss KOSDAQ	₩193bn	₩67.6bn	Back to profit
8	Daeduck KOSPI	₩482bn	₩67.4bn	Back to profit
9	Simmtech Holdings KOSDAQ	₩558bn	₩57.6bn	Back to profit
10	OCI Company KOSPI	₩535bn	₩43.3bn	Back to profit
11	Aekyung Chemical KOSPI	₩503bn	₩42.8bn	Back to profit
12	Oscotec KOSDAQ	₩52.6bn	₩38.7bn	Back to profit
13	Alteogen KOSDAQ	₩68.9bn	₩34.2bn	Back to profit
14	Korea District Heating KOSPI	₩653bn	₩33.1bn	Back to profit
15	SK Chemicals KOSPI	₩745bn	₩32.3bn	Back to profit
16	Yas KOSDAQ	₩87.2bn	₩28.0bn	Back to profit
17	Seowon KOSPI	₩587bn	₩27.6bn	Back to profit
18	Jahwa Electronics KOSPI	₩235bn	₩22.4bn	Back to profit
19	Daechang KOSPI	₩497bn	₩22.4bn	Back to profit
20	Dongkuk Coated Metal KOSPI	₩773bn	₩22.0bn	Back to profit
21	L&f KOSPI	₩885bn	₩20.8bn	Back to profit
22	Yunsung F&c KOSDAQ	₩59.8bn	₩17.1bn	Back to profit
23	Fadu KOSDAQ	₩73.2bn	₩16.2bn	Back to profit
24	Studio Dragon KOSDAQ	₩145bn	₩15.4bn	Back to profit
25	Hanyang Digitech KOSDAQ	₩258bn	₩15.4bn	Back to profit
26	Hanwha Galleria KOSPI	₩151bn	₩15.1bn	Back to profit
27	LB Semicon KOSDAQ	₩145bn	₩13.1bn	Back to profit
28	Kbi Metal KOSDAQ	₩280bn	₩12.9bn	Back to profit
29	Wonik Holdings KOSDAQ	₩176bn	₩12.8bn	Back to profit
30	Showbox KOSDAQ	₩67.6bn	₩12.5bn	Back to profit

Swung to operating loss

#	Company	Revenue	Operating profit	YoY
1	Korean Air Lines KOSPI	₩7.23tn	−₩207bn	-156.0%
2	ContentreeJoongAng KOSPI	₩229bn	−₩59.8bn	-3692.9%
3	SeAH Steel Holdings KOSPI	₩1.17tn	−₩50.8bn	-159.7%
4	SK Gas KOSPI	₩2.31tn	−₩43.9bn	-136.4%
5	E-mart KOSPI	₩6.92tn	−₩43.0bn	-299.0%
6	SK D&d KOSPI	₩84.0bn	−₩42.8bn	-227.7%
7	K Car KOSPI	₩439bn	−₩33.6bn	-285.6%
8	Sekonix KOSDAQ	₩97.6bn	−₩32.9bn	-874.3%
9	SK Discovery KOSPI	₩3.06tn	−₩30.4bn	-134.5%
10	The Willbes & KOSPI	₩41.3bn	−₩27.9bn	Swung to loss
11	Zinus KOSPI	₩148bn	−₩26.7bn	-191.7%
12	ABL Bio KOSDAQ	₩19.7bn	−₩16.8bn	-141.3%
13	Devsisters KOSDAQ	₩52.7bn	−₩16.0bn	-258.0%
14	Onejoon KOSDAQ	₩3.5bn	−₩14.2bn	-506.9%
15	Rokit Healthcare KOSDAQ	₩8.2bn	−₩13.5bn	Swung to loss
16	Ava KOSDAQ	₩16.5bn	−₩11.0bn	-156.8%
17	Sunic System KOSDAQ	₩20.2bn	−₩10.1bn	-125.4%
18	Jeil Pharma Holdings KOSPI	₩165bn	−₩9.9bn	-243.5%
19	Korea Export Packaging Industrial KOSPI	₩77.2bn	−₩9.7bn	Swung to loss
20	Zeus KOSDAQ	₩82.4bn	−₩9.6bn	Swung to loss
21	Binex KOSDAQ	₩37.8bn	−₩9.2bn	-995.2%
22	ITM Semiconductor KOSDAQ	₩67.0bn	−₩8.3bn	Swung to loss
23	Mona Yongpyong KOSPI	₩34.0bn	−₩8.2bn	-238.3%
24	Osang Healthcare KOSDAQ	₩19.1bn	−₩8.1bn	-226.1%
25	Shinpoong Pharmaceutical KOSPI	₩63.9bn	−₩8.0bn	-262.7%
26	Hfr KOSDAQ	₩24.1bn	−₩7.7bn	-290.1%
27	Jeil Pharmaceutical KOSPI	₩147bn	−₩7.0bn	-250.4%
28	HanJungNCS KOSDAQ	₩42.6bn	−₩6.9bn	Swung to loss
29	Rznomics KOSDAQ	₩808m	−₩6.9bn	-324.2%
30	Dt&C KOSDAQ	₩28.0bn	−₩6.8bn	Swung to loss

Key accounts from DART periodic reports (consolidated where available). Q4 is derived as full-year minus nine-month figures. Growth rankings only include companies with year-earlier revenue of at least ₩10bn or operating profit of at least ₩1bn. Reports with suspected unit errors are excluded. Not investment advice.