298040 - Hyosung Heavy Industries Corporation

298040 Summary
Power Equipment
Stock Price & Overview
₩2,732,000 +7,000 (+0.26%) Close · Sep 4, 2026 KST
KOSPI | ₩KRW | Close: ₩2,732,000  ≈ US$1,951  ·  Market cap ₩25.5tn (≈ $18.2bn)

298040 Stock Price

2.00M3.00M4.00Mprev 2.73Mpeak 4.60MOctNovDecJan ’26FebMarAprMayJunJulAugSep2.73M
52 Week Range
₩1,204,000₩4,601,000
Day Range
₩2,687,000₩2,788,000
Market Cap
₩25.5tn
P/E (TTM)
44.31x
P/B
9.34x
P/S (TTM)
3.97x
P/CF (TTM)
32.47x
Volume
37,493
Shares Out
9.3M
Prev. Close
₩2,725,000
vs 52W High
-40.6%
Multiples use the close and the financials that were public on that date (DART), the same series as the Valuation tab — they are not vendor figures.

298040 Momentum

Period298040KOSPIDifference
1 week-13.4%-1.5%-11.9%
1 month+2.9%+5.2%-2.3%
3 months-21.7%-22.6%+0.9%
6 months+18.9%+31.3%-12.4%
Year to date+53.4%+58.7%-5.3%
1 year+126.0%+108.9%+17.1%

Closed at 45% of the way from its 52-week low (₩1,204,000) to its 52-week high (₩4,601,000).

Price return on KRX closes, KOSPI on the same dates, no dividends. A period starts at the last trading day on or before the calendar date.

298040 Filings

See all »
DART

Large business group status disclosure — quarterly, individual company

Filing08/28/26title translated
DART

Investor Relations Event

IR08/27/26title translated
DART

Half-Year Report

Periodic08/13/26title translated
DART

Supplier Payment Terms and Dispute-Resolution Disclosure

Governance08/13/26title translated
Korean issuers file to DART, not the SEC. Titles are translated; where kstock has read the filing the row carries the explanation.

298040 Company Profile

Hyosung Heavy Industries has two businesses that have almost nothing to do with each other. The first makes high-voltage grid equipment: power transformers, gas-insulated switchgear and circuit breakers, sold heavily into the United States from a plant in Memphis, Tennessee, and into the Middle East. That business has been transformed by the global shortage of large power transformers, which arrived when utilities began replacing ageing equipment and connecting data centres at the same time that a decade of flat demand had left the industry with no spare capacity. The second is construction, operating under the Harrington Place brand, which builds apartments and commercial property in South Korea and behaves like an ordinary Korean contractor, meaning it is exposed to the domestic housing cycle and to project financing. The company was created in 2018 when Hyosung Corporation split itself into a holding company and four operating businesses, so its reported history is shorter than the underlying operations. For a US reader it is best understood as a smaller, less pure version of HD Hyundai Electric, with the same transformer tailwind attached to a Korean homebuilder.

SectorPower EquipmentEmployees
MarketKOSPIFounded
Korean name효성중공업Head office

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What a US investor should know

  • Trading hours09:00–15:30 KST — 20:00–02:30 US Eastern the night before.
  • Daily limitKorean stocks can move at most ±30% in a session before trading halts.
  • Getting exposureKRX shares are not directly tradable in most US brokerage accounts. The usual routes are Korea ETFs or an international account.
  • ReportingKorean issuers file to DART, not the SEC. Half-year and quarterly reports land about 45 days after period end.