Heartseed Inc is a Japanese biotechnology company focused on developing and commercializing regenerative medicine treatments for severe heart failure. The company's product candidate, HS-001, involves transplanting clusters of purified heart muscle cells derived from iPSCs to the patient's heart to treat heart failure, especially Heart Failure with reduced Left Ventricular Ejection Fraction (HFrEF), including conditions such as Dilated Cardiomyopathy, Old Myocardial Infarction, and Dilated phase of Hypertrophic Cardiomyopathy.
2015
42
Last FY Revenue $5.6M
Last FY EBITDA -$5.0M
$174M
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In the most recent fiscal year, Heartseed reported revenue of $5.6M and EBITDA of -$5.0M.
Heartseed expects next 12-month revenue of XXX   and NTM EBITDA of XXX
See Heartseed valuation multiples based on analyst estimates| NTM | Last FY | FY 2025 | FY 2026 | FY 2027 | |
|---|---|---|---|---|---|
| Revenue | XXX | $5.6M | XXX | XXX | XXX |
| Gross Profit | XXX | $5.6M | XXX | XXX | XXX |
| Gross Margin | XXX | 100% | XXX | XXX | XXX |
| EBITDA | XXX | -$5.0M | XXX | XXX | XXX |
| EBITDA Margin | XXX | -89% | XXX | XXX | XXX |
| EBIT | XXX | -$6.7M | XXX | XXX | XXX |
| EBIT Margin | XXX | -119% | XXX | XXX | XXX |
| Net Profit | XXX | -$5.2M | XXX | XXX | XXX |
| Net Margin | XXX | -93% | XXX | XXX | XXX |
| Net Debt | XXX | n/a | XXX | XXX | XXX |
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Heartseed has current market cap of JPY 34.2B (or $219M), and EV of JPY 27.2B (or $174M).
As of December 4, 2025, Heartseed's stock price is JPY 1514 (or $10).
See Heartseed trading valuation data| EV | Market Cap | Price 1D | Price 1M | Price 3M | Price 12M | EPS |
|---|---|---|---|---|---|---|
| $174M | $219M | XXX | XXX | XXX | XXX | n/a |
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Start Free TrialHeartseed's trades at 31.1x EV/Revenue multiple, and -35.0x EV/EBITDA.
See valuation multiples for Heartseed and 15K+ public compsAs of December 4, 2025, Heartseed has market cap of $219M and EV of $174M.
Equity research analysts estimate Heartseed's 2025E EV/Revenue multiple at XXX and 2025E EV/EBITDA multiple at XXX
Heartseed's P/E ratio is not available.
| LTM | NTM | Last FY | FY 2025 | FY 2026 | FY 2027 | |
|---|---|---|---|---|---|---|
| Market cap (current) | $219M | XXX | $219M | XXX | XXX | XXX |
| EV (current) | $174M | XXX | $174M | XXX | XXX | XXX |
| EV/Revenue | n/a | XXX | 31.1x | XXX | XXX | XXX |
| EV/EBITDA | n/a | XXX | -35.0x | XXX | XXX | XXX |
| EV/EBIT | n/a | XXX | -26.2x | XXX | XXX | XXX |
| EV/Gross Profit | n/a | XXX | n/a | XXX | XXX | XXX |
| P/E | n/a | XXX | -42.0x | XXX | XXX | XXX |
| EV/FCF | n/a | XXX | -19.3x | XXX | XXX | XXX |
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Access all public comps and forward-looking valuation multiples like EV/Revenue in 2025, based on equity research analyst estimates.
Start Free TrialHeartseed's revenue per employee in the last FY averaged $0.1M, while opex per employee averaged $0.3M for the same period.
Heartseed's rule of 40 is unknown (metric relevant for SaaS companies only, counted as combined revenue growth rate and EBITDA margin).
Heartseed's rule of X is unknown (created by Bessemer, rule of X is another metric relevant for SaaS companies only, ~1.5x stronger vs. the traditional Rule of 40, counted as revenue growth rate multiplied by 2.5 plus EBITDA margin).
See operational valuation multiples for Heartseed and other 15K+ public comps| LTM | NTM | Last FY | FY 2025 | FY 2026 | FY 2027 | |
|---|---|---|---|---|---|---|
| Revenue Growth | n/a | XXX | n/a | XXX | XXX | XXX |
| EBITDA Margin | n/a | XXX | -89% | XXX | XXX | XXX |
| EBITDA Growth | n/a | XXX | n/a | XXX | XXX | XXX |
| Rule of 40 | n/a | XXX | n/a | XXX | XXX | XXX |
| Bessemer Rule of X | XXX | XXX | n/a | XXX | XXX | XXX |
| Revenue per Employee | XXX | XXX | $0.1M | XXX | XXX | XXX |
| Opex per Employee | XXX | XXX | $0.3M | XXX | XXX | XXX |
| S&M Expenses to Revenue | XXX | XXX | n/a | XXX | XXX | XXX |
| G&A Expenses to Revenue | XXX | XXX | n/a | XXX | XXX | XXX |
| R&D Expenses to Revenue | XXX | XXX | n/a | XXX | XXX | XXX |
| Opex to Revenue | XXX | XXX | 219% | XXX | XXX | XXX |
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| EV/Revenue | EV/EBITDA | |||||
|---|---|---|---|---|---|---|
| 2025E | 2026E | 2027E | 2025E | 2026E | 2027E | |
| Lineage Cell Therapeutics | XXX | XXX | XXX | XXX | XXX | XXX |
| Arovella Therapeutics | XXX | XXX | XXX | XXX | XXX | XXX |
| Aroa Biosurgery | XXX | XXX | XXX | XXX | XXX | XXX |
| Cynata Therapeutics | XXX | XXX | XXX | XXX | XXX | XXX |
| Mesoblast | XXX | XXX | XXX | XXX | XXX | XXX |
| XXXXXXXX | XXX | XXX | XXX | XXX | XXX | XXX |
| XXXXXXXX | XXX | XXX | XXX | XXX | XXX | XXX |
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Heartseed acquired XXX companies to date.
Last acquisition by Heartseed was XXXXXXXX, XXXXX XXXXX XXXXXX . Heartseed acquired XXXXXXXX for XXX (EV/Revenue multiple of XXX ).
See M&A valuation multiples| Acquired Company | EV | EV/Revenue | EV/EBITDA |
|---|---|---|---|
| XXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXX | XXX | XXX | XXX |
| XXXXXXXXX | XXX | XXX | XXX |
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Start Free Trial| When was Heartseed founded? | Heartseed was founded in 2015. |
| Where is Heartseed headquartered? | Heartseed is headquartered in Japan. |
| How many employees does Heartseed have? | As of today, Heartseed has 42 employees. |
| Is Heartseed publicy listed? | Yes, Heartseed is a public company listed on TKS. |
| What is the stock symbol of Heartseed? | Heartseed trades under 219A ticker. |
| When did Heartseed go public? | Heartseed went public in 2024. |
| Who are competitors of Heartseed? | Similar companies to Heartseed include e.g. Lineage Cell Therapeutics, Arovella Therapeutics, Aroa Biosurgery, Cynata Therapeutics. |
| What is the current market cap of Heartseed? | Heartseed's current market cap is $219M |
| Is Heartseed profitable? | Yes, Heartseed is EBITDA-positive (as of the last 12 months). |
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