Korean company earnings: Q3 2026

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

Companies1,133

Operating profit, YoY+20.2%1,114 comparable

Back to profit123

Swung to loss105

Results for Q3 2026 from 1,133 Korean listed companies, based on periodic reports filed on DART. Combined operating profit of the 1,114 companies with year-earlier figures was ₩16.4tn, up 20.2% year on year. 123 companies returned to an operating profit and 105 swung to a loss. HMM posted the largest operating profit (₩1.39tn).

Largest operating profit

#	Company	Revenue	Operating profit	YoY
1	HMM KOSPI	₩4.13tn	₩1.39tn	+369.8%
2	POSCO Holdings KOSPI	₩19.1tn	₩945bn	+47.9%
3	LG Energy Solution KOSPI	₩9.64tn	₩756bn	+25.7%
4	Hankook Tire & Technology KOSPI	₩5.47tn	₩599bn	+2.2%
5	NH Investment & Securities KOSPI	–	₩521bn	+33.2%
6	Hanwha Ocean KOSPI	₩3.41tn	₩486bn	+67.6%
7	Doosan KOSPI	₩5.43tn	₩459bn	+98.6%
8	NAVER KOSPI	₩3.47tn	₩451bn	-20.9%
9	KIWOOM Securities KOSPI	₩6.93tn	₩406bn	-0.7%
10	Hanwha KOSPI	₩16.8tn	₩368bn	-72.6%
11	HDC Holdings KOSPI	₩1.71tn	₩280bn	+42.7%
12	Doosan Enerbility KOSPI	₩4.45tn	₩261bn	+90.6%
13	Coway KOSPI	₩1.43tn	₩261bn	+7.3%
14	Hyosung Heavy Industries KOSPI	₩1.74tn	₩243bn	+10.8%
15	Kakao KOSPI	₩2.09tn	₩240bn	+15.5%
16	Harim Holdings KOSDAQ	₩4.17tn	₩227bn	-11.0%
17	Pan Ocean KOSPI	₩2.10tn	₩197bn	+57.7%
18	KakaoBank KOSPI	₩881bn	₩192bn	+26.9%
19	Daewoo Engineering & Construction KOSPI	₩1.84tn	₩183bn	+223.8%
20	Lotte Shopping KOSPI	₩3.65tn	₩176bn	+34.5%
21	Hyosung KOSPI	₩699bn	₩175bn	+43.9%
22	SK Discovery KOSPI	₩3.44tn	₩171bn	+1.6%
23	Ipark Hyundai Development Company KOSPI	₩1.08tn	₩166bn	+127.1%
24	Apr KOSPI	₩773bn	₩161bn	+67.1%
25	Jeju Semiconductor KOSDAQ	₩346bn	₩160bn	+1050.1%
26	Lotte KOSPI	₩4.12tn	₩158bn	-14.8%
27	SK Gas KOSPI	₩2.71tn	₩148bn	-14.9%
28	LX International KOSPI	₩5.19tn	₩143bn	+120.9%
29	Kumho Tire KOSPI	₩1.24tn	₩131bn	+20.3%
30	Misto Holdings KOSPI	₩1.13tn	₩128bn	-3.0%

Fastest operating profit growth vs. same quarter last year

#	Company	Revenue	Operating profit	YoY
1	Simmtech Holdings KOSDAQ	₩592bn	₩105bn	+4033.0%
2	Jeju Semiconductor KOSDAQ	₩346bn	₩160bn	+1050.1%
3	HJ Shipbuilding & Construction KOSPI	₩733bn	₩66.0bn	+1039.1%
4	Yest KOSDAQ	₩43.8bn	₩11.0bn	+887.4%
5	Pentastone Electronics KOSDAQ	₩99.7bn	₩13.1bn	+802.9%
6	Dawon Cable KOSPI	₩261bn	₩9.2bn	+727.6%
7	Simmtech KOSDAQ	₩536bn	₩102bn	+721.6%
8	Mirai Semiconductors KOSDAQ	₩254bn	₩19.2bn	+583.2%
9	Koses KOSDAQ	₩62.2bn	₩24.3bn	+581.2%
10	Duksanhimetal KOSDAQ	₩99.5bn	₩10.2bn	+552.9%
11	Hancom WITH KOSDAQ	₩129bn	₩9.4bn	+493.3%
12	DI KOSPI	₩218bn	₩59.3bn	+493.1%
13	JC Chemical KOSDAQ	₩186bn	₩9.9bn	+437.4%
14	Jusung Engineering KOSDAQ	₩78.1bn	₩17.7bn	+426.4%
15	EugeneTechnology KOSDAQ	₩106bn	₩24.9bn	+380.3%
16	HMM KOSPI	₩4.13tn	₩1.39tn	+369.8%
17	Hanwha Systems KOSPI	₩832bn	₩99.2bn	+340.3%
18	Songwon Industrial KOSPI	₩301bn	₩23.7bn	+340.1%
19	Rorze Systems KOSDAQ	₩51.4bn	₩8.9bn	+339.6%
20	YoungWoo DSP KOSDAQ	₩26.7bn	₩4.4bn	+313.9%
21	Lake Materials KOSDAQ	₩39.8bn	₩5.3bn	+282.1%
22	Cosmax BTI KOSPI	₩241bn	₩11.8bn	+270.7%
23	Atlas Link KOSDAQ	₩19.6bn	₩4.5bn	+266.3%
24	Raon Robotics KOSDAQ	₩25.9bn	₩3.7bn	+261.0%
25	Daeduck Electronics KOSPI	₩418bn	₩87.9bn	+259.4%
26	Genians KOSDAQ	₩13.8bn	₩3.8bn	+253.0%
27	L&C Bio KOSDAQ	₩38.4bn	₩9.8bn	+239.8%
28	SatrecInitiative KOSDAQ	₩56.2bn	₩8.2bn	+235.5%
29	LS Marine Solution KOSDAQ	₩73.6bn	₩6.9bn	+234.8%
30	VM KOSDAQ	₩84.9bn	₩29.9bn	+230.6%

Fastest revenue growth vs. same quarter last year

#	Company	Revenue	Revenue YoY	Operating profit
1	Fidelix KOSDAQ	₩84.5bn	+574.0%	₩47.7bn
2	Philoptics KOSDAQ	₩63.1bn	+499.7%	−₩5.2bn
3	Fadu KOSDAQ	₩144bn	+459.8%	₩36.1bn
4	SK eternix KOSPI	₩228bn	+391.1%	−₩3.7bn
5	Samyoung M-tek C0 KOSDAQ	₩136bn	+361.4%	₩3.7bn
6	Exicon KOSDAQ	₩50.5bn	+342.4%	₩15.1bn
7	Pentastone Electronics KOSDAQ	₩99.7bn	+271.1%	₩13.1bn
8	Hanwha Investment&securities KOSPI	₩1.64tn	+249.6%	₩21.0bn
9	Jeju Semiconductor KOSDAQ	₩346bn	+212.0%	₩160bn
10	Rorze Systems KOSDAQ	₩51.4bn	+204.0%	₩8.9bn
11	Asicland KOSDAQ	₩48.3bn	+198.9%	₩1.4bn
12	Joosung KOSPI	₩51.5bn	+180.9%	₩2.9bn
13	Koses KOSDAQ	₩62.2bn	+180.1%	₩24.3bn
14	Seojin System KOSDAQ	₩562bn	+160.9%	₩38.7bn
15	Bumhan Fuel Cell KOSDAQ	₩26.1bn	+150.9%	−₩68m
16	Asflow KOSDAQ	₩32.6bn	+143.0%	₩4.2bn
17	Daishin Securities KOSPI	₩2.00tn	+142.7%	−₩2.2bn
18	Yest KOSDAQ	₩43.8bn	+134.2%	₩11.0bn
19	VM KOSDAQ	₩84.9bn	+132.9%	₩29.9bn
20	Hansol Holdings KOSPI	₩633bn	+128.5%	₩19.6bn
21	Yuanta Securities Korea KOSPI	₩1.63tn	+128.2%	₩53.7bn
22	Dowooinsys KOSDAQ	₩67.9bn	+127.8%	₩13.4bn
23	C&G Hi Tech KOSDAQ	₩44.3bn	+116.7%	₩6.0bn
24	Justem KOSDAQ	₩26.2bn	+116.5%	₩7.3bn
25	NanoTIM KOSDAQ	₩22.2bn	+115.7%	₩583m
26	RBW KOSDAQ	₩21.3bn	+110.2%	₩1.4bn
27	Apact KOSDAQ	₩58.8bn	+107.4%	₩5.1bn
28	KIWOOM Securities KOSPI	₩6.93tn	+105.7%	₩406bn
29	AU Brandz KOSDAQ	₩24.4bn	+104.7%	₩5.1bn
30	HT Robotics KOSDAQ	₩46.9bn	+101.0%	₩1.5bn

Returned to operating profit

#	Company	Revenue	Operating profit	YoY
1	Hanwha Solutions KOSPI	₩3.95tn	₩90.5bn	Back to profit
2	OCI Holdings Company KOSPI	₩1.06tn	₩68.0bn	Back to profit
3	Fidelix KOSDAQ	₩84.5bn	₩47.7bn	Back to profit
4	Seojin System KOSDAQ	₩562bn	₩38.7bn	Back to profit
5	Fadu KOSDAQ	₩144bn	₩36.1bn	Back to profit
6	OCI Company KOSPI	₩599bn	₩30.3bn	Back to profit
7	SeAH Steel KOSPI	₩477bn	₩20.2bn	Back to profit
8	Taewoong Logistics KOSDAQ	₩427bn	₩15.8bn	Back to profit
9	UniTest KOSDAQ	₩49.4bn	₩15.1bn	Back to profit
10	Exicon KOSDAQ	₩50.5bn	₩15.1bn	Back to profit
11	Dowooinsys KOSDAQ	₩67.9bn	₩13.4bn	Back to profit
12	N2tech KOSDAQ	₩22.1bn	₩13.3bn	Back to profit
13	MKElectron KOSDAQ	₩434bn	₩12.1bn	Back to profit
14	Hanjinkal KOSPI	₩80.2bn	₩11.9bn	Back to profit
15	CK Solution KOSPI	₩108bn	₩10.9bn	Back to profit
16	LIG Accuver KOSDAQ	₩77.4bn	₩9.3bn	Back to profit
17	JIN Air KOSPI	₩413bn	₩7.8bn	Back to profit
18	Able C&C KOSPI	₩57.9bn	₩6.5bn	Back to profit
19	WiSoL KOSDAQ	₩91.3bn	₩6.0bn	Back to profit
20	Elc KOSDAQ	₩21.3bn	₩5.6bn	Back to profit
21	meerecompany KOSDAQ	₩29.1bn	₩5.0bn	Back to profit
22	Cosmax NBT KOSDAQ	₩91.5bn	₩4.8bn	Back to profit
23	ICD KOSDAQ	₩70.9bn	₩4.8bn	Back to profit
24	SD Biosensor KOSPI	₩189bn	₩4.7bn	Back to profit
25	Air Busan KOSPI	₩248bn	₩4.7bn	Back to profit
26	SurplusGLOBAL KOSDAQ	₩55.2bn	₩4.5bn	Back to profit
27	Dongkuk Structures & Construction KOSDAQ	₩22.4bn	₩4.4bn	Back to profit
28	Eagon Holdings KOSDAQ	₩109bn	₩4.4bn	Back to profit
29	Cube Entertainment KOSDAQ	₩32.7bn	₩4.3bn	Back to profit
30	INFINITT Healthcare KOSDAQ	₩25.9bn	₩4.2bn	Back to profit

Swung to operating loss

#	Company	Revenue	Operating profit	YoY
1	Daedong KOSPI	₩352bn	−₩39.3bn	Swung to loss
2	Inveni KOSPI	₩130bn	−₩36.6bn	-327.0%
3	Seohee Construction KOSDAQ	₩152bn	−₩32.6bn	-215.3%
4	Chunbo KOSDAQ	₩50.4bn	−₩12.5bn	Swung to loss
5	Eco&Dream KOSDAQ	₩25.7bn	−₩11.9bn	Swung to loss
6	KBI Dongkook IND KOSPI	₩189bn	−₩10.0bn	-287.5%
7	Rokit Healthcare KOSDAQ	₩6.1bn	−₩9.5bn	Swung to loss
8	Huvis KOSPI	₩232bn	−₩8.7bn	-961.2%
9	Myungmoon Pharm KOSPI	₩48.8bn	−₩8.3bn	Swung to loss
10	Taewoong KOSDAQ	₩87.5bn	−₩8.3bn	Swung to loss
11	Korea District Heating KOSPI	₩606bn	−₩7.9bn	-108.9%
12	Hansol Paper KOSPI	₩570bn	−₩6.4bn	-350.9%
13	Itcenglobal KOSDAQ	₩1.53tn	−₩6.2bn	-109.6%
14	Hana Technology KOSDAQ	₩18.1bn	−₩6.2bn	-244.4%
15	DMS KOSDAQ	₩29.7bn	−₩6.1bn	-196.2%
16	HanJungNCS KOSDAQ	₩47.1bn	−₩6.1bn	-497.3%
17	Almac KOSDAQ	₩36.4bn	−₩5.3bn	-333.9%
18	ThinkwareSystems KOSDAQ	₩105bn	−₩5.1bn	-245.6%
19	GMI Venture KOSDAQ	–	−₩5.0bn	-532.4%
20	Woojin I&S KOSPI	₩69.8bn	−₩5.0bn	-183.1%
21	CMG Pharmaceutical KOSDAQ	₩22.8bn	−₩5.0bn	-511.1%
22	Nexus KOSDAQ	₩32.9bn	−₩4.8bn	Swung to loss
23	Solborn KOSDAQ	₩25.2bn	−₩4.6bn	-202.8%
24	mPlus KOSDAQ	₩35.9bn	−₩4.5bn	-163.7%
25	Avaco KOSDAQ	₩52.0bn	−₩4.4bn	-163.6%
26	Bioneer KOSDAQ	₩83.3bn	−₩4.0bn	-238.8%
27	Kiswire KOSPI	₩462bn	−₩4.0bn	-135.6%
28	Dongkuk Coated Metal KOSPI	₩822bn	−₩3.9bn	-326.5%
29	SK eternix KOSPI	₩228bn	−₩3.7bn	-414.5%
30	Day1 Company KOSDAQ	₩26.2bn	−₩3.5bn	-201.0%

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.