RTW Investments L.P.
Venture capitalNew York · Seed–Series A · 14 people tracked
Investment thesis
RTW Investments L.P. is a New York-based venture capital firm investing across the biopharmaceutical and medical technology sectors from early stage through later rounds. The firm partners with companies and academic institutions developing new therapeutic approaches and medical devices.
Source: firm website, verified Aug 25, 2026.
Team · 14 people
from curated & public directoriesFounder mafia
3 people who came through RTW Investments L.P. went on to found or lead other companies.
+ 1 more
What they invest in
from 13 of 14 portfolio companiesBiotech ×12Healthtech ×10Medical Devices ×5Digital Health ×2AI & Machine Learning ×1Data & Infrastructure ×1
HQs:United States×8
Investments · 14 tracked
founders shown can be your intro pathBy year:2026 · 12025 · 12024 · 32023 · 12018 · 12017 · 18 dated
Aktis Oncology discovers and develops targeted radiopharmaceuticals for treating solid tumors.
BiotechHealthtechMedical DevicesBoston, US
Todd Foley(Co-founder and Chairman)inPatrick Baeuerle(Co-founder & Advisor)inShulamit Ron-Bigger(Executive Officer)
BoardHelen S. Kim(Director)Oleg Nodelman(Director)inAndrew Levin(Director)
Co-investorsAndreessen HorowitzEcoR1 CapitalMPM BioImpactMRL Ventures FundRA CapitalTCG Crossover+2 more
Tarsus Rx is a pharmaceutical company developing treatments for diseases with high unmet need, with a lead product XDEMVY (lotilaner ophthalmic solution) approved by the FDA for Demodex blepharitis.
BiotechHealthtechMedical Devices
Bobak Azamian, MD, PhD(Founder)in
Co-investorsAPERTURE Venture PartnersFlying L PartnersFrazier Life SciencesVisionary VenturesVivo CapitalBain Capital Life Sciences
Santa Ana Bio is a biotech company developing engineered antibody therapeutics that target the immune pathways and cells driving autoimmune and inflammatory diseases.
AI & Machine LearningBiotechHealthtechAlameda, US
Peter Emtage(Founder & CEO)inAlexander Rudensky(Scientific Founder)Richard Flavell(Scientific Founder)Graham Lord(Scientific Founder)Ansuman Satpathy(Scientific Founder)Newman Yeilding(Chief Medical Officer)in
Co-investorsVersant VenturesAccess BiotechnologyAndreessen HorowitzGV (Google Ventures)TPG
BiotechNew York, US
Adam Tomasi(Director)Andrew McDonald(Executive Officer, Director)Jason Bablak(Executive Officer)
Board seatRoderick Wong· per SEC Form D · $23.6M raise · filed Jun 2018
Rocket Pharmaceuticals develops gene therapies to treat patients with rare genetic diseases, focusing on cardiovascular and hematologic disorders.
BiotechDigital HealthMedical Devices
Gaurav Shah(Co-founder & Chief Executive Officer)
Board seatRoderick WongNaveen Yalamanchi· per SEC Form D · $30.1M raise · filed May 2017
Co-investorsAvoro Capital AdvisorsBroadview VenturesCivilization Ventures Management, Llc
Alesta Therapeutics is a biotech company developing oral small molecule therapies for rare diseases with limited treatment options.
BiotechHealthtech
Co-investorsDroia VenturesFrazier Life SciencesNovartis Venture FundFrazier Healthcare PartnersThuja Capital
Basking Biosciences develops therapeutics for thrombosis, vascular biology, and ischemic disease.
BiotechDigital HealthHealthtechMedical DevicesCary, US
Shahid Nimjee(Co-founder, Chief Scientific Officer and Stroke Clinical Lead)inBruce Sullenger(Co-founder)Julia Owens(Executive Officer, Director, Promoter)Richard Shea(Executive Officer, Director, Promoter)in
BoardHannah Chang(Director)Aiden Aceves(Director)in
Co-investorsARCH Venture PartnersInsight PartnersBroadview VenturesSolas BioVenturesRev1 Ventures
DealForma is a curated biopharma deals database offering licensing deal comps, M&A data, company and drug pipeline profiles, funding rounds, and Tableau-based interactive dashboards with natural-language search.
BiotechData & InfrastructureHealthtech
Co-investorsTinySeedAlgerRA CapitalREDMILESofinnova Ventures
BiotechBoston, US
Jotin Marango(Executive Officer)Mark Manfredi(Executive Officer, Director)Jeffrey Ecsedy(Executive Officer)Sergio Santillana(Executive Officer)Michelle Zhang(Executive Officer)
BoardOtello Stampacchia(Director)in
Co-investorsAtlas VentureBiotechnology Value FundForesite CapitalOmega FundsOrbiMed
LENZ Therapeutics is a pharmaceutical company that develops and commercializes VIZZ (aceclidine ophthalmologic solution 1.44%), an FDA-approved eye drop for treating presbyopia, the age-related loss of near vision.
BiotechHealthtechMedical Devices
Eef Schimmelpenninkin
Co-investorsAlpha Wave GlobalRA CapitalRaptor GroupSectoral Asset ManagementVersant Ventures
Lycia Therapeutics is a biotechnology company developing LYTAC (Lysosomal Targeting Chimera) therapeutics that bind disease-causing extracellular and cell-surface proteins and route them into the cell's lysosome for degradation.
BiotechHealthtechSouth San Francisco, US
Aetna Wun Trombley(President and CEO)Amy Bachrodt(Chief Financial Officer)Chin Lee(Chief Medical Officer)Steve Staben(Chief Scientific Officer)Sofia Touami(Chief Business Officer)Karen Flick(General Counsel)
Co-investorsREDMILEVersant VenturesBAM ElevateFranklin TempletonHBM Healthcare InvestmentsInvus+4 more
Santa Monica, US
Michael Einziger(Executive Officer, Director)Edna Coryell(Executive Officer, Director)Katherine Power(Director)Jessica Goldin(Executive Officer, Director)
BoardAnn Marie Simpson(Director)
Co-investors8VCDroia VenturesFrazier Life SciencesNovartis Venture FundThe Column GroupThuja Capital+1 more
HealthtechIrvine, US
Kenny Chang(Executive Officer)W. Ronald Redmond(Director)Vijay Dhaka(Executive Officer)Philong Pham(Executive Officer, Director)Hongsheng Tong(Executive Officer, Director)
Co-investorsBlackRockEndeavour VisionMVM Life Science PartnersSoleus CapitalvenBio Global StrategicVivo Capital
Windward Bio is a clinical-stage biotechnology company developing long-acting monoclonal and bispecific antibodies for serious immunological conditions such as asthma, COPD, and dermatological diseases.
BiotechHealthtech
Co-investorsOrbiMedQuan CapitalRA CapitalSanofi VenturesSR One Capital ManagementJanus Henderson Investors+3 more
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.
Exits · 2
IPOs and acquisitions across the tracked portfolioAktis OncologyNASDAQ: AKTSTarsus PharmaceuticalsNASDAQ: TARS
Portfolio news
latest coverage across their companiesTarsus Pharmaceuticals · americanbankingnews.com · Aug 28, 2026
Alesta · axios.com · Aug 18, 2026

Lycia Therapeutics · intelligence360.news · Jul 22, 2026
Windward Bio · xtalks.com · May 15, 2026
Rocket Pharma · reuters.com · Mar 27, 2026
DealForma · dealforma.com · Feb 6, 2026
Basking Biosciences · insightpartners.com · Jan 21, 2026
Frequently asked questions
- What stage does RTW Investments L.P. invest at?
- RTW Investments L.P. invests at the Seed, Series A stages.
- What sectors does RTW Investments L.P. focus on?
- RTW Investments L.P. focuses on Biotech.
- Where is RTW Investments L.P. located?
- RTW Investments L.P. is headquartered in New York, US.
Co-investors · 7
RA Capital is a multi-stage investment firm focused on healthcare, life sciences, and planetary health, investing across public and private markets and creating new companies through its Raven incubation platform.
OrbiMed is a global healthcare-focused investment firm providing financing and operational support to companies across biopharmaceuticals, medical devices, digital health, diagnostics, and healthcare services.
GV (Google Ventures) is a venture capital firm that has invested in artificial intelligence and machine learning since its early days, building a global portfolio of more than 100 AI companies across infrastructure, life sciences, and applications.
Qiming Venture Partners is a Shanghai-based venture capital firm that invests in growth-stage technology, communications, media, and healthcare companies operating in China, with support from its U.S. partner Ignition Partners. The firm's investment approach combines local market knowledge with global resources and executive relationships.
Menlo Ventures is a venture capital firm that invests in transformative, early-stage AI companies across every layer of the modern AI stack, from applications and middleware to data infrastructure and foundation models.
Forbion is a global venture capital firm focused on advancing biotech innovations and sustainable solutions aimed at improving human and planetary health.
Domain Associates is a venture capital firm founded in 1985 that invests in life sciences companies. The firm operates as a limited liability company.
Firms observed investing alongside RTW Investments L.P., from public investor directories. Shared companies are the overlap with RTW Investments L.P.'s recorded portfolio.
Similar investors
8VC is a venture capital firm investing across logistics, life sciences, healthcare, IT infrastructure, and government/defense, guided by its Smart Enterprise thesis focused on data integration and platform network effects.
ACT Venture Capital is an independent Irish venture capital firm that invests €1 million to €15 million in growth-stage private companies, with capacity for larger commitments through syndicated rounds.
Amadeus Capital Partners is a technology investment firm that backs founders building complex, science-led and deep tech businesses, supporting them over the long term as they scale internationally.
Andreessen Horowitz (a16z) is a venture capital firm founded in 2009 by Marc Andreessen and Ben Horowitz, known for pioneering the platform model with a large team of operators supporting founders across stages.
B Capital is a global investment firm backing early to late-stage technology innovators across technology, healthcare, and energy & resilience sectors.



















.jpeg)