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SiranBio

苏州时安生物技术有限公司

Founded in May 2022 and headquartered in Suzhou Industrial Park, SiranBio develops innovative siRNA therapeutics.

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Total funding $139M📍 Suzhou · East ChinaFounded 2022

Position in SVTR

Snapshot 2026-10-25
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About

Founded in May 2022 and headquartered in Suzhou Industrial Park, SiranBio develops innovative siRNA therapeutics. It has built three proprietary platforms: eSAFE chemical modification for off-target mitigation, the STORK-W single-molecule dual-target platform, and the STORK hepatic and extrahepatic targeted delivery platform, establishing a differentiated approach combining dual-target design with extrahepatic delivery. Its pipeline spans antiviral (chronic hepatitis B), metabolic and cardiovascular indications, led by SA1211, a dual-target siRNA aimed at functional cure of hepatitis B, and SA030, an ALK7-targeting candidate delivered systemically to adipose tissue. The company combines in-house pipeline development with out-licensing to multinational pharmaceutical companies.

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CompanyInvestorFounders / teamCo-investment (thicker arc = more shared deals, ×N marks the count)Bigger circle = stronger signal (activity / coverage / interest) · ⛶ fullscreen · scroll / pinch to zoom · hover to highlight · drag nodes · click a node to open its profile

Funding history

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Confirmed rounds only. Matched on subsector, sector, stage and funding scale — each verifiable on the company profiles.

Investors that may fit

Dimension Capital

10 Life Sciences deals in the last 24 months · 5 at a nearby stage · 1 in East China

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OrbiMed Advisors

9 Life Sciences deals in the last 24 months · 5 at a nearby stage · 4 in East China

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Qiming Venture Partners

9 Life Sciences deals in the last 24 months · 6 at a nearby stage · 7 in East China

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Lilly Asia Ventures

8 Life Sciences deals in the last 24 months · 6 at a nearby stage · 7 in East China

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HongShan

7 Life Sciences deals in the last 24 months · 3 at a nearby stage · 6 in East China

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Matrix Partners China

6 Life Sciences deals in the last 24 months · 6 at a nearby stage · 4 in East China

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Ranked by each firm’s deals in this sector over the last 24 months, weighted by nearby stage and shared geography. Indicative only — no rating judgment.

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