Korean company earnings: Q2 2026

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

Companies2,580

Operating profit, YoY+251.8%2,569 comparable

Back to profit280

Swung to loss229

Results for Q2 2026 from 2,580 Korean listed companies, based on periodic reports filed on DART. Combined operating profit of the 2,569 companies with year-earlier figures was ₩262.8tn, up 251.8% year on year. 280 companies returned to an operating profit and 229 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	Hanwha Aerospace KOSPI	₩9.29tn	₩1.37tn	+57.9%
18	Korea Investment Holdings KOSPI	–	₩1.34tn	+129.6%
19	Woori Financial Group KOSPI	–	₩1.32tn	+18.7%
20	DB Insurance KOSPI	–	₩1.17tn	+47.0%
21	Korea Electric Power KOSPI	₩21.9tn	₩1.13tn	-47.2%
22	HD Hyundai Heavy Industries KOSPI	₩6.33tn	₩1.04tn	+120.6%
23	Samsung C&T KOSPI	₩12.0tn	₩1.03tn	+37.1%
24	Hyundai Mobis KOSPI	₩16.3tn	₩975bn	+12.1%
25	Meritz Financial Group KOSPI	–	₩968bn	+1.9%
26	S-Oil KOSPI	₩11.3tn	₩965bn	Back to profit
27	Industrial Bank of Korea KOSPI	–	₩915bn	-1.3%
28	Samsung Fire & Marine Insurance KOSPI	–	₩885bn	+9.1%
29	Daou Data KOSDAQ	₩16.4tn	₩832bn	+89.5%
30	POSCO Holdings KOSPI	₩19.3tn	₩819bn	+34.9%

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	Alteogen KOSDAQ	₩68.9bn	+269.5%	₩34.2bn
12	SK eternix KOSPI	₩241bn	+268.8%	₩4.7bn
13	Hanwha Investment&securities KOSPI	₩3.23tn	+263.6%	₩55.6bn
14	Showbox KOSDAQ	₩67.6bn	+257.6%	₩12.5bn
15	SK hynix KOSPI	₩79.3tn	+256.8%	₩60.5tn
16	KIWOOM Securities KOSPI	₩16.1tn	+256.7%	₩789bn
17	Daou Technology KOSPI	₩16.2tn	+252.2%	₩818bn
18	Daou Data KOSDAQ	₩16.4tn	+246.2%	₩832bn
19	Eugene Investment & Securities KOSPI	₩1.50tn	+230.0%	₩87.6bn
20	Hanyang Securities KOSPI	₩813bn	+229.9%	₩25.5bn
21	Fadu KOSDAQ	₩73.2bn	+209.0%	₩16.2bn
22	Telcon RF Pharmaceutical KOSDAQ	₩28.9bn	+188.5%	−₩806m
23	iA KOSDAQ	₩30.1bn	+188.4%	₩1.5bn
24	Mirae Asset Securities KOSPI	₩21.6tn	+181.1%	₩2.49tn
25	Samt KOSDAQ	₩2.58tn	+181.1%	₩148bn
26	Fidelix KOSDAQ	₩33.4bn	+179.8%	₩9.6bn
27	Y2 Solution KOSPI	₩87.4bn	+172.4%	₩665m
28	Nexturn&rollkorea KOSDAQ	₩37.1bn	+165.5%	₩8.2bn
29	Justem KOSDAQ	₩29.3bn	+159.4%	₩9.3bn
30	Samji Electronics KOSDAQ	₩2.69tn	+155.0%	₩158bn

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	Avaco 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.