Longduoduo Company (LDDD) Fair Value & Analysis
Healthcare · US · Market cap $15.3M
Longduoduo Company
LDDD · US
Fair value as of: Jul 17, 2026
From 24 valuation models · updated 24 days ago
A solid business, but screening 33% overvalued on our models.
What matters now
- The price sits above even our optimistic bull case ($0.4200). The favourable scenario is already priced in.
- Solid but not exceptional quality (57/100) and above fair value, neither a clear bargain nor a standout compounder.
- A fairly wide model range ($0.2300 to $0.4200) leaves room in how you read the outcome.
Price vs Fair Value (4 years)
White line = price, green steps = our fair value per fiscal year, dashed = 300-day average. As of Jul 17, 2026.
How to read this chart
42‑month range $0.5100 – $109.00 · fair‑value band $0.2300 – $0.4200 · the $0.5100 price screens above the $0.3400 fair value. Dashed = 300-day average. As of Jul 17, 2026.
Analysis
Longduoduo Company (LDDD) currently trades at $0.5100, while our model-based Fair Value estimate is $0.3400, implying the stock looks roughly 33.3% overvalued today. The Quality Score stands at 57/100 (solid quality), in the Healthcare sector. Bear case: priced above our estimate, the market already discounts strong expectations. Bull case: above-average quality can justify a premium, the entry price still matters most (evidence: medium).
Over the trailing twelve months, Longduoduo Company generated revenue of $2.1M at a net margin of -16.5%. Revenue declined 75.9% year over year. It earns a return on equity of -43.1%. The balance sheet holds a net cash position of $1.6M. Fundamentals as of Jul 17, 2026
Our scenario range runs from $0.2300 (bear case) to $0.4200 (bull case); at $0.5100, the current price sits above that range. Bear and bull are the same models run on conservative and optimistic assumptions (margins, growth, valuation multiples), so a plausible valuation range, not a price target. For context, the median of 10 Healthcare peers we cover trades at -48% fair-value upside, at -33%, LDDD screens cheaper than that median.
Fair Value models
Each model estimates fair value its own way; the Fair Value above is the evidence-weighted blend. Evidence (0–100) measures how completely this model’s inputs are available: well-fed models carry more weight in the blend. The spread across models is intentional, each one stresses a different value driver; dividend models, for instance, come out structurally low when payout is small.
All 24 models by family
Widest divergence: Growth Earnings ($0.7100) versus Asset-Based ($0.0300). Highest evidence: Growth DCF (72).
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Key figures & financial health
More key figures
Figures from reported company fundamentals · as of Jul 17, 2026. TTM = trailing twelve months.
Quality Score breakdown
Of which business quality 64 · Market factors (momentum, volatility) 17
Non-valuation factor families (profitability, growth, cashflow, financial strength, momentum …), each academically grounded. Valuation itself sits in the Fair Value and is deliberately excluded here to avoid double-counting.
About the company
Longduoduo Company Limited, together its subsidiaries, provides preventive healthcare solutions in the People's Republic of China.
Full company description
Longduoduo Company Limited, together its subsidiaries, provides preventive healthcare solutions in the People's Republic of China. The company offers range of preventive healthcare services, including disease screening, healthcare treatments, healthcare products, and other services for the prevention of myocardial infarction, cerebral infarction, hemiplegia, and cardiovascular and cerebrovascular diseases through third-party healthcare service providers, product suppliers, and sales agents. It also provides meridian-regulating and consciousness restoring iatrotechnics; double blood purification; immunological ozonated autohemotherapy; platelet-rich plasma; relaxation therapy; vegetative nerve regulation; and microwave therapy. The company was founded in 2020 and is headquartered in Hohhot, China.
Company description, as reported by the company or data provider.
Revenue & earnings trend
FY2021 – FY2025 · reported fiscal years
Longduoduo Company reported revenue of $4.3M in FY2025 versus $414K in FY2021, a compound +79.1%/yr. Reported net income was $460K in FY2025.
LDDD screens 33% overvalued. Compare with Thermo Fisher Scientific Inc →
Peer Group
Diagnostics & Research · 135 stocks
How this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.
Valuation Multiples vs Diagnostics & Research median · lower = cheaper
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
ESG scores are not available for this stock yet. Values and ESG data are contextual and can differ between providers.
Similar stocks
10 more Diagnostics & Research stocks, each showing price versus our Fair Value estimate (as of Jul 17, 2026).
| Stock | Price | Fair Value | vs Fair Value |
|---|---|---|---|
| Thermo Fisher Scientific Inc TMO | $543.19 | $308.19 | -43% |
| Danaher Corporation DHR | $199.66 | $103.88 | -48% |
| WuXi AppTec Co 2359 | HK$160.70 | HK$125.20 | -22% |
| Lonza Group LONN | CHF 567.80 | CHF 259.80 | -54% |
| IDEXX Laboratories, Inc IDXX | $567.44 | $255.77 | -55% |
| Agilent Technologies, Inc A | $131.46 | $62.70 | -52% |
| Waters Corporation WAT | $368.98 | $121.96 | -67% |
| IQVIA Holdings IQV | $207.85 | $134.18 | -35% |
| Integrated Diagnostics Holdings IDHC | $0.0050 | $0.0053 | +5% |
| Illumina, Inc ILMN | $186.65 | $95.51 | -49% |
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How we calculate Fair Value
Each company is valued through a stack of independent intrinsic-value models (DCF variants, residual-income, multiples and more), blended into one family-balanced consensus and weighted by how much trustworthy data backs it. A separate quality layer scores the fundamentals. Every input is real reported data, nothing guessed.
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