STH

Phát hành Sách Thái Nguyên ·UPCOM ·2026Q1

▲▲ Improving positively

Operating efficiency is improving Net margin 23.56%, +21.08pp YoY
Price
20,900
Latest close
02 Jun 2026
P/E 5.82x
P/B 0.94x
EPS 3,593
BVPS 22,316
ROE 22.1%
ROA 8.3%
Profit Margin 23.2%
Asset Turnover 0.36x
Equity Mult. 2.66x

TTM · Applied to: EPS, ROE, ROA, Net Margin, Asset Turnover, Debt/Equity

What Is Changing

On a TTM 2026Q1 basis, STH is improving on both revenue and margins, suggesting current growth is backed by both scale and operating efficiency — profit is at an all-time high. The next test will be whether this pace holds as the comparison base gets tougher.

TTM REVENUE
VND 302bn
+909.1%YoY
NET MARGIN
23.56%
+21.1ppYoY
TTM NET PROFIT
VND 71bn
+9468.3%YoY
Metric Q1'26 Q4'25 Q3'25 Q2'25 Q1'25 Q4'24 Q3'24 Q2'24 Q1'24 Q4'23 Q3'23 Q2'23
Revenue 20.1 247.4 20.0 14.0 7.5 9.5 7.9 4.9 5.0 6.9 6.1 7.5
Growth -92% +1138% +43% +86% -21% +19% +61% -1% -28% +14% -19%
Net Income -1.5 70.4 0.6 1.5 0.0 -0.5 0.6 0.7 0.5 -1.5 -1.1 3.8
Net Margin -7.22% 28.47% 2.97% 10.53% 0.47% -5.39% 7.08% 13.28% 9.46% -21.49% -18.22% 51.30%

Drivers of STH's profit

TTM

Net profit attributable to parent increased vs last year, mainly helped by higher gross profit. Supporting and offsetting drivers:

Gross profit ↑ 124.5bn
Financial income ↑ 10.9bn
Administrative expenses ↑ 24.0bn
Selling expenses ↑ 19.0bn
TTM

Net profit attributable to parent declined vs prior quarter, mainly due to higher administrative expenses. Supporting and offsetting drivers:

Gross profit ↑ 7.2bn
Financial income ↑ 3.1bn
Administrative expenses ↑ 8.8bn
Selling expenses ↑ 2.8bn
Finance costs ↑ 0.8bn

Financial Highlights

Detailed analysis of each financial dimension

ROE = Profit Margin × Asset Turnover × Equity Multiplier

2025Q1 0.4% = 2.5% × 0.14 × 1.06
2026Q1 22.4% = 23.6% × 0.36 × 2.66

ROE rose from 0.4% to 22.4% — all three components improved, with leverage contributing the most.

Net margin: 23.6% +21.1pp Asset turnover: 0.36x +0.22x Leverage: 2.66x +1.60x

Is the profit sustainable?

Margins are improving and earnings quality is solid — a durable foundation for ROE.

very positive positive stable watch under pressure

What is driving the margin?

Net margin expanded to 23.56%, rising 21.1pp. The main driver is Gross margin rose 18.1pp and SG&A / Revenue fell 14.1pp, moving in line with the stronger net margin (with lingering pressure from Net financial result / Revenue fell 2.7pp and Other profit / Revenue fell 2.6pp).

The improvement comes from core operations — this is a high-quality margin expansion.

Profitability trend

Net Margin 23.56% +21.1pp
Gross Margin 43.84% +18.1pp
SG&A / Revenue 17.35% −14.1pp

TTM YoY · 2025Q1 -> 2026Q1

Is capital being used efficiently?

Evaluate capital, asset, and working-capital efficiency.

Is capital being deployed efficiently?

ROIC currently stands at 12.37%. Track NOPAT margin and capital turnover to assess capital efficiency.

CAPITAL EFFICIENCY TREND

TTM YoY · 2025Q1 -> 2026Q1

ROIC 12.37%
NOPAT Margin 23.16%
Capital Turnover 0.53x +0.39x
Average Invested Capital 564.8bn +363.3bn

Balance Sheet

Leverage is elevated, requiring monitoring — liabilities at 2.12x equity, net debt at 1.13x equity.

Over the last 12 months, working capital released 3.6bn of cash, mainly thanks to lower receivables and lower inventories. Pressure from lower payables only partly offset that benefit.

Working Capital Drivers

TTM YoY · 2025Q1 -> 2026Q1

Receivables decreased → higher CFO: +25.1bn
Inventories decreased → higher CFO: +13.1bn
Payables decreased → lower CFO: −34.6bn

Working Capital Efficiency

The inventory build-up noted above is reflected in a longer cash cycle. Cash conversion cycle lengthened by 247.8 days versus the same period last year. The main moves came from DIO rose 223.4 days, DSO fell 10.3 days, and DPO fell 34.7 days.

Working capital cycle lengthened mainly due to slower inventory turnover — more capital is being tied up in inventory.

Watchpoints

Cash conversion cycle remains stretched

CCC stands at 483.5 days, suggesting that working capital remains tied up for a relatively long operating cycle.

Inventory turnover is slowing

DIO increased by +223.4 days, suggesting more capital is being tied up in inventories.

Working Capital Efficiency

TTM YoY · 2025Q1 -> 2026Q1

Receivables 25.4 days −10.3 days
Inventory 467.8 days +223.4 days
Payables 9.7 days −34.7 days
Cash Conversion Cycle 483.5 days +247.8 days

Is financial risk significant?

Leverage is safe but FCF is negative at 129.5bn due to capex of 220.7bn — an investment choice, not an urgent risk.

Leverage & Liquidity

Leverage warrants monitoring, with net debt / equity at 1.13x and interest coverage only at 19.38x.

At present, short-term debt accounts for 45.7% of total debt, cash equals 15.1% of debt, and total debt stands at 581.3bn.

Watchpoints

Net leverage is elevated

Net debt / equity stands at 1.13x, increasing balance-sheet pressure.

Cash buffer is thin relative to debt

Cash / debt stands at 15.1%, leaving limited liquidity buffer to monitor.

Leverage and liquidity trend

Net Debt / Equity 1.13x +1.13x
Interest Coverage 19.38x +19.73x
Cash / Debt 15.1% −61.9pp
Short-term Debt / Total Debt 45.7% −54.3pp
CFO / NI 1.30x +1.38x

TTM YoY · 2025Q1 -> 2026Q1

Cash Flow

With safe leverage noted above, cash flow below shows the self-funding capacity. Operating cash flow reached 261.0bn in 2025, against investing cash flow of -337.4bn.

Post-investment cash flow was negative +76.3bn. Financing cash flow was positive +77.0bn.

CFO / net income was 1.30x.

After spending +220.7bn on fixed-asset investment, the business generated trailing free cash flow of −129.5bn.

Cash Conversion

TTM Cash Conversion · 2025Q1 -> 2026Q1

CFO TTM 91.2bn +91.3bn
Cash Capex 220.7bn
FCF TTM −129.5bn

Investment Takeaway

The business is under real pressure, but the current picture has not turned broadly adverse. A notable area has clearly weakened, making the near-term outlook hard to call bright; even so, other parts of the business are still holding up, with leverage and liquidity remaining the main constraint, with interest coverage at 19.38x. The main offsetting support comes from operating efficiency, with net margin improving 21.1 pp.

Improvement: operating efficiency is getting better, with trailing-12M net margin at 23.56% after expanding 21.1pp versus the same period last year.

Key risk: leverage and liquidity remain a pressure point, with net debt / equity at 1.13x and a thin cash buffer.

Statement Data

Item 2025 2024 2023 2022 2021
Net Revenue
289.0 27.3 25.7 30.3 27.0
Cost of Goods Sold
164.2 19.9 15.9 21.8 0.0
Gross Profit
124.8 7.4 9.8 8.5 10.7
Financial Expenses
3.7 -0.4 1.1 0.4 -0.4
Selling Expenses
20.8 4.7 5.8 3.5 -3.3
General and Administrative Expenses
21.9 4.9 6.0 6.3 -5.6
Operating Profit
88.0 0.7 2.1 2.4 1.7
Profit Before Tax
88.5 1.3 1.8 3.4 1.7
Net Income
70.4 1.3 1.8 3.4 1.3
Profit Attributable to Parent
37.9 1.3 1.8 1.9 1.3
Earnings per Share
1,943.00 66.00 91.00 99.00 16.73

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