Sector portfolio · VC firm · United States
Third Rock Ventures' Biotech portfolio
Third Rock Ventures has backed 30 Biotech startups in rounds we track, $6.7B between them, shown by the stage each has reached. The best-funded is Blueprint Medicines.
30startups backed
6stages
$6.7Braised between them
Series Bbiggest stage
Series B
10
Funding by segment
- Series B$1.8B10
- Series A$1.5B7
- Series C and later$2.8B5
- Stage not reported$283M4
- Pre-seed and seed$153M2
- Growth$209M2
Where they are based
- United States28$6.5B
- China1$15M
- Brazil1$125M
United States
China
BrazilFounded
11Earlier
112
213
14
315
316
117
118
19
20
21
22
23
24
25
26
8 without a founding year on record.
Total raised
- Under $1M0
- $1M to $10M0
- $10M to $50M5
- $50M to $250M18
- $250M to $1B6
- $1B and over1
Each dot is a startup: the year it was founded across, the total it has raised up (each line is ten times the one below). Pick a segment to pick it out.
21 of 30 startups shown; the rest have no founding year or amount on record.
- 1 to 2
- 3 to 7
- 8 to 24
- 25 to 99
- 100 and more
- United States28
- China1
- Brazil1
Startups by country, 3 countries in all.
Segment by segment
Series B
10 startups · $1.8B raised
Global Blood TherapeuticsGBT is a clinical-stage biopharmaceutical company developing a therapy for sickle cell disease.United States$389M
Editas MedicineEditas Medicine is a clinical-stage genome editing company that develops genomic medicines for serious diseases.United States$335M
Fulcrum TherapeuticsFulcrum Therapeutics is a biotechnology company that focuses on identifying and treating rare genetic diseases at their root cause.United States$310M
Voyager TherapeuticsVoyager Therapeutics is a biotechnology company specializing in gene therapy and neurology.United States$205M
Neon TherapeuticsNEON Therapeutics is focused on unlocking the full potential of the immune system to recognize and attack cancer.United States$161M- MMyoKardiaMyoKardia is a clinical-stage biopharmaceutical company that develops targeted therapies for the treatment of rare cardiovascular diseases.United States$98M
- PPanOpticaUnited States$86M
Cedilla TherapeuticsCedilla Therapeutics is a biotechnology company that develops targeted small molecules for the treatment of cancer and other diseases.United States$81M
Series A
7 startups · $1.5B raised
Tango TherapeuticsTango Therapeutics is a biotechnology company that is developing next generation cancer therapies.United States$852M
Rhythm PharmaceuticalsRhythm is a biopharmaceutical company focused on developing and commercializing peptide therapeuticsUnited States$311M- AAmbysUnited States$140M
- RMRheos MediciesUnited States$60M
- CCasmaUnited States$59M
Goldfinch BioGoldfinch Bio was a clinical-stage biotechnology company based in Cambridge, Massachusetts, founded in 2016.United States$55M
Ember TherapeuticsEmber Therapeutics develops the power of brown fat biology and insulin sensitization to develop treatments for metabolic diseases.United States$34M
Series C and later
5 startups · $2.8B raised
Blueprint MedicinesBlueprint Medicines is a global, fully integrated biopharmaceutical company that invents life-changing medicines.United States$1.4B
Relay TherapeuticsRelay therapeutics is a developer of an allosteric drug-discovery platform intended to apply computational techniques to protein motion.United States$932M
Decibel TherapeuticsDecibel Therapeutics is a hearing company focused on discovering and developing new medicines to protect, repair, and restore hearing.United States$189M
Magenta TherapeuticsMagenta Therapeutics is a new biotechnology company developing therapeutics that unlock the power of stem cell biology.United States$187M- SSSeventh Sense BiosystemsUnited States$52M
Stage not reported
4 startups · $283M raised
bluebird biobluebird bio is pursuing curative gene therapies to give patients and their families more bluebird days.United States$151M- IIgenicaIgenica engages in discovery and development of antibody-based therapeutics for the treatment of cancer.United States$88M
AlcrestaAlcresta develops enzyme-based nutritional products for infants and adults with acute and chronic diseases.United States$30M- PFPublic food doctorChina$15M
Growth
2 startups · $209M raised
- WDWarp Drive BioWarp Drive Bio develops genomic search engine and customized search queries that reveal hidden natural products based on genomic signature.Brazil$125M
TARIS BiomedicalTARIS Biomedical is a pharmaceutical company developing therapies for genitourinary system issues.United States$84M
How this map is made. Every startup here works in Biotech and has raised money in a round we track that names Third Rock Ventures as an investor. Each sits under the stage of its latest round. Rebuilt nightly; updated 15 November 2026.
More portfolio maps
All portfoliosCo-investorsWho invests with Third Rock Ventures33 co-investorsSector portfolioTechstars' AI portfolio336 startups · $4.9BSector portfolioAlumni Ventures' AI portfolio302 startups · $36BSector portfolioAndreessen Horowitz's AI portfolio259 startups · $426BSector portfolioGeneral Catalyst's AI portfolio226 startups · $179BSector portfolioSequoia Capital's AI portfolio209 startups · $543B
Raising from investors like Third Rock Ventures?
Find the investors who back startups like yours, with their cheques, rounds and partners, in the app with filters, lists and exports.