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Renamed DTR → DN, 2022 (Doosan Machine Tools)KRW reporting · ₩ millionsSynthetic credit A1/A+Valuation 2026-05-31Sum-of-parts FCFF · 1k-iter MC FCFF · Dark v3

Sum-of-parts mispricing · +53.9% margin of safety

Market below the MC p5 floor

Market ₩45,450 vs sum-of-parts DCF ₩98,547 (post-15% governance haircut; pre-haircut ₩115,938). DN Solutions — the 85.4%-owned machine-tool crown jewel — drives ~78% of group operating profit, and across 1,000 Monte Carlo draws the model never values the group below today's price.

p5 81k p25 91k p75 106k p95 119k DCF ₩98,547 MARKET ₩45,450 ₩40k ₩125k DEEPLY UNDERVALUED FAIR VALUE BAND
Sector Machinery — Korean SOTP holdco Country mix 🇰🇷 45% · 🇺🇸 17% · 🇩🇪 15% MC σ ±₩11,712 Governance Family ~52% · 15% haircut Quality Terminal ROIC ~15.7% · A−
Intrinsic / share
₩98,547
post 15% gov (₩115,938 pre)
Market / share
₩45,450
last KRX close
Margin of safety
+53.9%
vs intrinsic
Enterprise value
₩8.07T
72.7% terminal
Cost of equity / debt
11.49% / 3.79%
β 1.70 · CRP 0.51%
Terminal ROIC / g
15.70% / 2.60%
spread ~778bp

What it sells, where it sells

Operating segments

FY25 rev ₩3.68T
Machine ToolsDN Solutions, 85.4%-owned — global #3, ~18.6% standalone margin, Heller-diluted near-term~60%
Auto PartsVMS anti-vibration — EV-resilient, ~9.5% margin, Hyundai/Kia-anchored~28%
BatteryBTS lead-acid SLI — ~5% margin, structural EV headwind~8%
TubeLegacy Dong-A — ~5% margin, stable cash annuity~4%

Machine Tools is ~60% of revenue but ~78% of operating profit — so the whole valuation is really a DN Solutions margin-and-cycle debate, with Auto Parts, Battery and Tube providing the steady cash that underpins the dividend. The 14.6% minority in DN Solutions is the one bridge item that matters.

Country mix (revenue-weighted CRP input)

🇰🇷South Korea45.3%
🇺🇸United States16.9%
🇩🇪Germany15.4%
🇨🇳China13.6%
🇹🇼Taiwan5.0%
🇳🇱Netherlands2.9%
🇮🇩Indonesia0.9%

South Korea + Germany + Netherlands + US = ~80% of revenue, almost all of it in Aa2-or-better risk tiers, so the blended country-risk premium lands at just 0.51% — the Korea discount in this name is a market-structure haircut, not a sovereign-risk one.

Background — five things to know before the case

Context the share price doesn't carry on its face. Skim this once and the bull / bear bullets below stop reading as inside baseball.

Where we diverge from the sector

Each row asks: if we'd used the sector median for this one assumption instead of our override, how much would the share price change? Negative = our override is more conservative (worth less); positive = more aggressive (worth more). Skim down the rightmost column to see which bets are doing the work.

Assumption
Our input
Sector median
Value impact
01 Revenue growth 10-year group revenue CAGR
~5.9%/yr Heller step-up in FY1, then ~4.5% Machine-Tools cycle
~4.0%/yr Machinery, global industry standard
+₩9k
02 Operating margin Blended terminal group margin
~13.8% Machine Tools 16% (4× peers, Heller-diluted) drives the blend
~10.4% Machinery, global industry standard
+₩24k
03 Sales-to-capital Reinvestment efficiency, group blend
~1.50 below benchmark — Heller integration capex absorbs working capital
~1.55 Machinery / Auto-Parts blend, global standard
−₩2k
04 Terminal growth Year 10+ steady state
2.6% below the 3.43% KRW risk-free ceiling — SLI decay + mature Korea mix
3.43% KRW risk-free ceiling, industry standard
−₩8k
05 Cost of capital 10-year WACC (β driven)
7.92% bottom-up levered β 1.70 (council anti-suppression)
~6.3% if the suppressed 0.39 regression β were trusted
−₩15k
Net effect of overrides
The above-benchmark Machine-Tools margin does most of the heavy lifting (+₩24k); our conservative β 1.70 and sub-risk-free terminal growth claw a chunk back. On balance our overrides still net positive versus an all-sector-median DCF — and the margin call is the bet to pressure-test.
+₩8k
Our override Sector median Override adds value Override subtracts value

The story & the five claims

The 10-year story this DCF is built on, plus the five anchor claims that translate the story into engine inputs.

The 10-year story

DN Automotive is a Korean business holding company whose value is dominated by one asset it only 85.4% owns: DN Solutions, the world's #3 machine-tool maker. The market treats it as a cheap, family-controlled, cyclical Korean conglomerate — the classic 'holdco discount' — and prices it at 7–9× earnings while machine-tool peers trade at 10–20×. The base case isn't that the discount snaps shut overnight. It's that the operating businesses simply deliver: DN Solutions absorbs the loss-making Heller acquisition over 2026–27 and grows ~4.5% a year through the industrial-capex cycle, the EV-resilient anti-vibration parts business compounds with Hyundai/Kia volumes, and the lead-acid battery and tube units throw off steady cash even as battery demand slowly fades. Revenue compounds to about ₩6.5 trillion by year 10, the blended operating margin holds near 14%, and steady-state growth is pinned at 2.6% — below the 3.4% risk-free rate — to honour the structural decline in the battery segment. Each won of new capital is assumed to generate about ₩1.50 of revenue.

Two debates worth pressure-testing

Does Heller ever reach the DN Solutions margin profile?
Our view: we converge Machine Tools to ~16%, a haircut to the 18.6% Korean standalone, not all the way back to it. If Heller stalls at 13–14% the segment margin — and the single biggest value driver — comes down materially; the margin row alone is worth roughly +₩24k/share versus the sector median, so this is the bet to watch.
Is the 14.6% DN Solutions minority worth book or fair value?
Our view: book NCI of ₩442B understates the economic claim on a profitable 85.4%-owned sub, so the council marked it to ~₩600B fair value in the equity bridge. Crediting the jewel at a premium while subtracting only book would double-count; the Monte Carlo samples this deduction across ₩442–730B.
CLAIM 01 Machine Tools steps up on Heller, then compounds with the capex cycle. ₩2.21T → ₩4.70T by y10 A +30% FY26 step from consolidating Heller (~₩900B), then ~4.5%/yr organic growth on the global #3 franchise under Vision 2032.
CLAIM 02 DN Solutions holds a premium ~16% blended margin. target 16% · base 18.6% Standalone runs ~4× peer margin; we haircut for the lower-margin German mix and the time-boxed Heller integration drag.
CLAIM 03 Auto Parts is EV-resilient, not in secular decline. ₩1.02T → ₩1.31T · ~9.5% Anti-vibration / NVH content matters more in EVs, so the segment grows with anchored Hyundai/Kia volumes at a margin well above the 5.4% benchmark.
CLAIM 04 Battery and Tube are cash annuities with a fading tail. ~1.5%/yr · ~5% margins Lead-acid SLI faces a structural EV headwind and tube tubes are commodity; both throw off cash but earn no terminal-growth credit.
CLAIM 05 Terminal growth pinned below the risk-free rate; no failure tail. g = 2.6% (< 3.43% rf) Battery decline plus a mature, Korea-centric ~45% revenue mix caps the blend; terminal ROIC ~15.7% still beats the 7.9% WACC, so the firm creates value.
Where we diverge from sell-side
  • We value the cash flows, not the holdco multiple. Sell-side anchors on the 7–9× headline P/E; our sum-of-parts FCFF says intrinsic is ₩98,547 vs ₩45,450 market — a 53.9% margin of safety the multiple hides.
  • β pinned at 1.70, not the 0.39 regression. The 5-year regression β is a suppressed illiquid-Korean-midcap artifact; bottom-up Hamada at normalized leverage gives 1.70, raising WACC to 7.92% and keeping us honest against the re-rate.
  • Minority marked to fair value ~₩600B, not book ₩442B. Subtracting only book NCI while crediting a premium jewel double-counts; the council fix lowers parent equity but is the intellectually consistent bridge.
  • The catalyst lives in the bridge, not in FCFF. The IPO cancellation + dual-listing ban routes 100% of DN Solutions value to the parent — a discount-closing event we express through the 15% governance haircut, not by inflating segment cash flows.
Two-sided case — bear anchors
  • Heller never reaches break-even economics. If the German unit stalls at 13–14% margin instead of converging toward 16%, the dominant value driver erodes — the margin call alone swings roughly ₩24k/share.
  • The FI buyout re-levers the balance sheet. The 14.6% DN Solutions minority holds call / drag-along rights; a forced buyout could push net debt back up and consume the treasury optionality, raising the real minority deduction toward ₩730B.
  • Auto Parts is the brittle Hyundai/Kia bet the bears call it. Low R&D and no e-axle / thermal EV content; if NVH content-per-vehicle erodes, the segment slides to secular decline rather than ~2.5% growth.
  • The Korea / family discount simply persists. One-man chairman and ~52% family control mean the SOTP gap can stay open for years even if every operating number is delivered — value without a catalyst is dead money.

Risks to thesis (tail, not bear case)

FI forced buyout re-leversHigh

Financial investors' 14.6% DN Solutions stake carries call / drag-along rights; a forced exit could re-lever the balance sheet and push the minority deduction toward ₩730B.

Machine-tool cycle downturnHigh

~78% of operating profit is industrial-capex cyclical; a global capex air-pocket (FY25 EPS already −12.6% YoY) would hit the dominant segment first and hardest.

Heller integration overrunMed

Break-even slips past 2H26 or the loss-making period deepens, keeping the FY26 group margin dip near 12.3% longer than modelled.

KRW / Hyundai-Kia volume shockMed

Auto Parts, Battery and Tube concentrate the cost base in Korea; a domestic OEM volume or FX shock hits operating exposure harder than the 45% revenue weight implies.

Treasury never cancelledLow

The 11.5% treasury block is upside optionality, not a base-case assumption; if it is never cancelled the EPS-accretion lever simply does not fire.

Stale governance sanction resurfacesLow

A minor 2012 accounting sanction is old and immaterial, but Korean minority-rights enforcement remains a low-probability overhang on the holdco discount.

10-year forecast

Group revenue ₩3.88T → ₩6.52T over ten years (the FY1 base already carries the Heller step-up); blended operating margin holds ~14% as the recovering Machine-Tools margin offsets the mature Auto-Parts / Battery / Tube mix. FCFF compounds from ₩266B to ₩427B.

Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 0 6.5T rev (KRW) 0% 15% op margin revenue FCFF op margin

Monte Carlo distribution

Even at the 5th-percentile outcome (₩81,264), intrinsic value exceeds today's ₩45,450 price by 44% — across 1,000 draws the model never once prints a value below market. The disagreement is how undervalued, not whether.

p5 p25 p50 p75 p95 market 45450.00 41746.3 98591.9 141746.5 freq equity / share (KRW)

1,000 iterations (0 failed) drawing the Heller-margin path, the DN Solutions terminal margin, the levered β and the DN Solutions minority value. Mean ₩99,123 ± ₩11,712. Median ₩98,592; p5 ₩81,264 / p95 ₩119,248. P(intrinsic < market ₩45,450) = 0.0% — not a single one of the 1,000 draws lands below today's price.

Cost of capital build
Risk-free rate 3.43%
Mature-market ERP 4.44%
Levered β 1.70
Weighted CRP 0.51%
Cost of equity 11.49%
Pre-tax cost of debt (synth A1/A+) 3.79%
D / V ~46%
WACC 7.92%
Full year-by-year DCF
Year Revenue Op mgn EBIT EBIT(1−t) Reinvest FCFF PV
1 ₩3.88T 14.34% ₩556B ₩408B ₩141B ₩266B ₩247B
2 ₩4.10T 14.32% ₩587B ₩430B ₩151B ₩279B ₩239B
3 ₩4.34T 14.29% ₩619B ₩454B ₩162B ₩292B ₩232B
4 ₩4.59T 14.25% ₩654B ₩479B ₩174B ₩305B ₩225B
5 ₩4.86T 14.20% ₩690B ₩506B ₩187B ₩319B ₩218B
6 ₩5.15T 14.14% ₩728B ₩537B ₩194B ₩343B ₩217B
7 ₩5.46T 14.08% ₩768B ₩571B ₩208B ₩363B ₩213B
8 ₩5.79T 14.00% ₩810B ₩606B ₩223B ₩383B ₩208B
9 ₩6.14T 13.92% ₩855B ₩644B ₩240B ₩404B ₩204B
10 ₩6.52T 13.83% ₩902B ₩684B ₩257B ₩427B ₩199B
Methodology & flags

Sum-of-parts FCFF DCF, 10-year explicit forecast + perpetuity, four operating segments (Machine Tools / Auto Parts / Battery / Tube) modelled bottom-up and aggregated. KRW reporting; the risk-free rate is pinned at 3.43% (Korean 10Y 4.07% less the Aa2 default spread 0.64%) because KRW has no row in the risk-free table. Country-risk premium 0.51% from a seven-country revenue-weighted mix; synthetic credit A1/A+. Monte Carlo: 1,000 iterations. Engine v1.0.0 · result: valuations/dnautomotive/output/2026-05-31-result.json

  • R&D cap: OFF (true R&D ~2.1% of revenue, below the 3% threshold) · Lease cap: OFF (K-IFRS / IFRS-16 leases already on balance sheet) · Failure: OFF · ESO: OFF
  • Governance haircut: 15% applied post-DCF (₩115,938 pre > ₩98,547 post) — controlling family ~52% + one-man chairman + FI overhang, offset by the Mar-2026 board upgrade and M&A record.
  • Sensitivity tornado: not run · Monte Carlo run instead (1,000 iterations).
  • Council revisions applied: minority interest set to FAIR value ~₩600B (not book ₩442,330M); levered β pinned 1.70 (anti-suppression of the 0.39 regression).