Sierra Oncology: Funding, Investors & Team (Sep 2026)
Sierra Oncology is a late-stage biopharmaceutical company on a mission to deliver targeted therapies that treat rare forms of cancer. We harness our deep scientific expertise to identify compounds that target the root cause of disease. Our team takes an evidence-based approach to understand the limitations of current treatments and explore new ways to change the cancer treatment paradigm. Together we are transforming promise into patient impact.
Sierra Oncology has raised $159M across 2 funding rounds on record, the most recent a Post-IPO Debt of $125M announced in Jan 2022.
That round is above the $8.0M median round size for Biotechnology companies tracked on FundedIQ over the last two years.
Sierra Oncology Company Profile and Key Stats
Latest funding round on record: Jan 2022.
Sierra Oncology Funding Rounds
Sierra Oncology raised $34.0M in a Post-IPO Equity announced in Aug 2021.
5 months later, a Post-IPO Debt of $125M was announced in Jan 2022.
Sierra Oncology Founders and Leadership Team
No contact details are on record for this team yet.
Sierra Oncology Funding Compared to Other Biotechnology Startups
Sierra Oncology's latest round of $125M is above the median round in Biotechnology. Medians cover the last 24 months of disclosed rounds.
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Sierra Oncology Funding FAQs
What does Sierra Oncology do?
Sierra Oncology is a late-stage biopharmaceutical company on a mission to deliver targeted therapies that treat rare forms of cancer. We harness our deep scientific expertise to identify compounds that target the root cause of disease. Our team takes an evidence-based approach to understand the limitations of current treatments and explore new ways to change the cancer treatment paradigm. Together we are transforming promise into patient impact.
How much funding has Sierra Oncology raised?
Sierra Oncology has raised $159M across 2 rounds on record. The most recent is a Post-IPO Debt of $125M announced in Jan 2022.
When did Sierra Oncology last raise funding?
Sierra Oncology's most recent funding round on record is a Post-IPO Debt of $125M, announced in Jan 2022.
Who is the CEO of Sierra Oncology?
Stephen Dilly is listed as CEO at Sierra Oncology.
Where is Sierra Oncology headquartered?
Sierra Oncology is based in Vancouver, British Columbia, Canada.
How many employees does Sierra Oncology have?
Sierra Oncology is in the 101-250 employee band.
How does Sierra Oncology's funding compare to other Biotechnology startups?
Sierra Oncology's latest round of $125M is above the $8.0M median round size for Biotechnology companies on FundedIQ across 4,183 tracked companies over the last two years.
About FundedIQ's Sierra Oncology Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Sierra Oncology is left off this page rather than filled in.
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