Hyundai E&C: Shares Down 25.7% in a Month After a 78.3% One-Year Gain, With Thin Margins and Negative Free Cash Flow

Thesis

The data supports a picture of a large construction company whose profitability is modest and uneven. Operating margin was 2.1% in 2025 and 2.3% over the trailing twelve months to H1 2026, after a 3.9% negative margin in 2024. Return on equity is 5.2% on a trailing basis.

The share price has swung widely. It sits at ₩100,200 against a 52-week range of ₩54,800 to ₩198,400, so it is about 49.5% below the high and 82.8% above the low. The one-month drop of 25.7% is large, but the data contains no news headlines to explain it, so the cause is not available.

On the balance sheet, cash of ₩3.5T exceeds borrowings of ₩681B, which is a support. Against that, trailing free cash flow is negative at ₩783B. Investor flow, foreign ownership and short balance data are not available, so we cannot say who has been trading the stock.

Business overview

Hyundai Engineering & Construction (code 000720) is a KOSPI-listed construction company founded on 1950-01-10 and listed on 1984-12-22. It has 111,355,765 listed shares and a market capitalization of about ₩11.2T. The CEO is listed as 이한우.

Revenue has grown from ₩18.1T in 2021 to ₩31.1T in 2025, peaking at ₩32.7T in 2024. Trailing twelve-month revenue to H1 2026 is ₩29.0T. Among the peers listed, Daewoo Engineering & Construction has a market cap of about ₩6.7T, GS Engineering & Construction ₩2.6T and DL E&C ₩2.5T, so Hyundai E&C is the largest of the group shown.

Financial analysis

These figures come from filed financial statements (DART). Revenue was ₩31.1T in 2025, down 4.9% after growth of 10.2% in 2024 and 39.6% in 2023.

Operating income was ₩653B in 2025 (2.1% margin), versus a loss of ₩1.26T in 2024 (-3.9%), ₩785B in 2023 (2.6%), ₩575B in 2022 (2.7%) and ₩754B in 2021 (4.2%). Net income was ₩373B in 2025 after a ₩169B loss in 2024.

Trailing twelve months to H1 2026: revenue ₩29.0T, operating income ₩665B, net income ₩448B, operating margin 2.3%, net margin 1.5% and ROE 5.2%. Liabilities to equity is 155.2%. Cash is ₩3.5T, borrowings ₩681B, and free cash flow is -₩783B.

Valuation

At the current price the P/E is 24.9, P/B 1.2, P/S 0.4 and the dividend yield 1.1%. Enterprise value is about ₩8.3T. EV/EBITDA is not available.

At the end of 2025 the P/E was 20.9 and P/B 0.9, so both multiples are higher now than at that year-end. Year-end multiples for earlier years are not available. Peer P/E and P/B figures are not available in the data, so no peer multiple comparison can be made. The P/E is based on thin and uneven earnings, which makes it sensitive to small profit changes.

Catalysts

• Filings on 2026-09-14 and 2026-09-23 show a major sales or supply contract and amendments, which may add to the order and revenue picture, though contract values are not given here.
• An investor relations (IR) event was filed on 2026-09-23, which may provide further company disclosure.
• Repeated insider shareholding reports in September and October 2026 (latest dated 2026-10-13) show ongoing changes in insider holdings, though the direction is not given in the data.
• The next financial statements will show whether the trailing operating margin of 2.3% and negative free cash flow are changing.

Risks

• Profitability is thin, with a 2.3% trailing operating margin and a 1.5% net margin leaving little buffer.
• A serious accident was reported on 2026-09-30 and amended on 2026-10-01, and the data gives no details on its consequences.
• Trailing free cash flow of -₩783B shows operations and investment are consuming cash.
• The 2024 operating loss of ₩1.26T shows earnings can swing sharply.
• The share price fell 25.7% in one month, and the missing flow, ownership and news data leave the drivers unclear.

Closing view

The data shows a large, cash-rich construction company with modest and volatile profitability. Earnings recovered from the 2024 loss, and cash exceeds borrowings, but margins are low, free cash flow is negative and the P/E of 24.9 rests on a small earnings base. The recent share price drop, the serious accident filings and the lack of flow and peer valuation data leave important questions open. This report is a summary of the available data and not a recommendation.

Model estimate of fair value

The valuation model has no estimate for this company yet (not enough data, or no positive value with the base case).

Report history

1. Oct 13, 2026InitiationHyundai E&C: Shares Down 25.7% in a Month After a 78.3% One-Year Gain, With Thin Margins and Negative Free Cash Flow