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About RTW Investments

RTW Investments is a venture capital firm founded in 2010. It is primarily based out of New York City, United States. As of Apr 2025, RTW Investments is an active investor, having invested in 82 companies, with 9 new investments in the last 12 months. It primarily invests in Series B round in United States based startups. Its investments are spread across a wide range of sectors from Life Sciences to High Tech and Enterprise Applications. Most recently it led the $400M Series A round of Kailera along with Bain Capital Life Sciences. This round also saw participation from Atlas Venture and other investors.
Overall, RTW Investments portfolio has seen 43 IPOs and 11 acquisitions including key companies like Roivant Sciences, Immunocore and Pulmonx. A lot of funds co-invest with RTW Investments, with names like Perceptive Advisors sharing a substantial percentage of its portfolio.
RTW Investments has team of 51 people including 22 partners.
Key Metrics
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Series B, Post IPO & 5 more
Portfolio Soonicorns
Deals in last 12 months

RTW Investments' List of Top Investments

RTW Investments has a portfolio of 82 companies. Their most notable investments are in Nuance Biotech and Visus Therapeutics.Their portfolio spans across United States, United Kingdom, Canada and 7 more locations. They have invested in Life Sciences, High Tech, Enterprise Applications and 3 other sectors, across stages such as Series B, Post IPO  and 5 more. Here is the list of top investments by RTW Investments:
Roivant Sciences is developing therapeutics in disease areas such as neurology, oncology, rare diseases, and endocrinology. Its CNS drug pipeline include Intepirdine, a selective 5-HT6 receptor antagonist for mild-to-moderate Alzheimer's disease (phase 3), dementia with Lewy bodies (DLB) (phase 3), gait and balance impairments in dementia (phase 2); Nelotanserin, agonist of the 5-HT2A receptor for visual hallucinations in Lewy body dementia (phase 2), REM behavior disorder (RBD) in DLB (phase 2/3); RVT-103 and RVT-104 for Alzheimer's disease (phase 1) and Lewy body dementia (phase 1). Other drugs in the pipeline include Relugolix for uterine fibroids (phase 3), endometriosis (phase 3) and prostate cancer (phase 3). It is also developing drugs for atopic dermatitis (phase 2), autism (phase 2), female infertility (phase 2) and Farber disease (phase 2).

Key facts about Roivant Sciences

Developer of drugs based on T-cell receptor technology for the treatment of cancer. The company's proprietary technology is focused on small protein molecules called ImmTACs (Immune mobilizing monoclonal TCRs Against Cancer) that enable the immune system to recognize and kill cancerous or bacterially/virally infected cells. They enable this by recognizing peptide-HLA complexes on the surface of cancer cells and effecting a potent and specific T cell response to destroy cancer cells (through an anti-CD3 antibody fragment). Its lead candidate is IMCgp100, a novel bi-specific immunotherapeutic, which is used for the treatment of uveal melanoma.

Key facts about Immunocore

  • Founded Year: 2008
  • Location: Abingdon (United Kingdom)
  • Annual Revenue: £179M as on Dec 31, 2022
  • Stage: Public
  • Total Funding till date: $601M
  • Employee Count: 293 as on Jan 31, 2022
  • Investors: NeoMed, Rock Springs Capital and 50 Others
  • Latest Funding Round: Post IPO, Jul 18, 2022, $140M
  • Highlight: Public
Pulmonx is a developer of smart devices for treating pulmonary diseases. The company is focused on developing and marketing minimally-invasive medical devices and technologies for the diagnosis and treatment of pulmonary disorders. It is currently engaged in the design, development, and manufacture of products that will improve the effectiveness and benefits of endoscopic lung volume reduction (ELVR) for patients with severe emphysema. The company's Zephyr Endobronchial Valve (EBV) therapy involves placing small one-way valves in the lung to prevent air from entering the most diseased regions while allowing fluids and trapped air to escape. The company has a CE Mark for the Zephyr Endobronchial Valves and has submitted a CE mark application for the Chartis System.

Key facts about Pulmonx

  • Founded Year: 1998
  • Location: Redwood City (United States)
  • Annual Revenue: $53.7M as on Dec 31, 2022
  • Stage: Public
  • Total Funding till date: $281M
  • Employee Count: 198 as on Dec 31, 2022
  • Investors: Rock Springs Capital, HTIF and 18 Others
  • Latest Funding Round: Series D, May 05, 2020, $66M
  • Highlight: Public
Allurion Technologies is developing a medical device for weight loss that can be delivered and removed without surgery or endoscopy. Elipse is a procedure less intragastric balloon that is placed and removed without surgery, endoscopy, or anesthesia. It is offered by physicians in conjunction with a medically supervised weight loss program. The Elipse balloon is made of a thin, flexible polymer film. The device is swallowed in a capsule and filled with liquid through a thin delivery catheter, which is then detached. The device remains in the stomach for approximately four months after which the balloon opens, allowing it to empty and pass naturally from the body. Balloons are typically placed in the stomach endoscopically, remain in the stomach for several months, and are then removed endoscopically.

Key facts about Allurion

  • Founded Year: 2009
  • Location: Wellesley (United States)
  • Stage: Public
  • Total Funding till date: $151M
  • Employee Count: 252 as on Dec 31, 2023
  • Investors: RTW Investments, SVB and 12 Others
  • Latest Funding Round: Post IPO, Jan 15, 2025, $2.5M
  • Highlight: Public
Developer of small molecule drugs for treating cancer. Its Degronimid platform incorporates highly selective small-molecule binders to target disease-causing proteins and facilitate their rapid destruction and clearance from the cell through the natural proteasome system. It has developed CFT7455 for treating hematologic malignancies, CFT8634 for sarcoma, BRAF V600E for slid tumors.

Key facts about C4 Therapeutics

  • Founded Year: 2016
  • Location: Cambridge (United States)
  • Stage: Public
  • Total Funding till date: $223M
  • Employee Count: 121 as on Dec 31, 2022
  • Investors: Roche, HTIF and 25 Others
  • Latest Funding Round: Post IPO, Jan 04, 2024, $25M
  • Highlight: Public
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RTW Investments' Investments by Stage

RTW Investments has made 27 investments in Series B stage with an average round size of $121M, 14 investments in Post IPO stage with an average round size of $87.3M and 13 investments in Series C stage with an average round size of $92.2M.
Here are RTW Investments' investments by stage:
Note: We have considered here, only first round of investments
Breakdown of RTW Investments' investments by stage of entry - lessoinsdecolette.comSeries B (27)Post IPO (14)
Stage of entry
No. of Investments
Series B
27
Post IPO
14
Series C
13
Series A
9
Series D
9
Others
2

RTW Investments' Investments by Sector

RTW Investments has a diverse portfolio, with companies operating in the Life Sciences, High Tech, Healthcare, HealthTech and Sustainability Tech. Notably, it has invested in 76 Tech companies, 74 Enterprise (B2B) companies, 5 Tech hardware companies and at least 4 companies focusing on Consumer (B2C).
Here are RTW Investments' investments by sector:
Note: We have considered here, only first round of investments
Breakdown of RTW Investments' investments by sectors - lessoinsdecolette.comLife Sciences (71)High Tech (12)
Sector
No. of Investments
Life Sciences
71
High Tech
12
Healthcare
5
HealthTech
3
Sustainability Tech
3
Others
2

RTW Investments' Investments by Geography

RTW Investments has made most investments in United States (60), followed by United Kingdom where it has made 4 investments.
Here are RTW Investments' investments by geography:
Note: We have considered here, only first round of investments
Breakdown of RTW Investments' investments by countries - lessoinsdecolette.comUnited States (60)United Kingdom (4)
Country
No. of Investments
United States
60
United Kingdom
4
China
3
Canada
2
Ireland
2
Others
5

RTW Investments' recent investments

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RTW Investments has made 6 investments in 2025 so far. AIRNA and Tenax Therapeutics are the latest among them.
Here are the most recent investments by RTW Investments:
Date
Company
Location
Round Details
Round Amount
Co-Investors
Apr 01, 2025
United States
Series B
$155M
Venrock [+4]
Mar 05, 2025
United States
Post IPO
$25M
-
Jan 15, 2025
United States
Post IPO
$2.5M
-
Jan 14, 2025
United States
Series C
$100M
Jan 09, 2025
Switzerland
Series C
$55M
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IPOs and Publicly Listed companies in RTW Investments' Portfolio

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43 of RTW Investments' portfolio companies have become public. Beta Bionics got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ), in Jan 2025 at marketcap of $695M and BioAge Labs got listed on the National Association of Securities Dealers Automated Quotations (NASDAQ) at marketcap of $615M.
Here are RTW Investments' portfolio companies that went public:
Company
IPO Date
First Invested on
First Round of Investment
Round Size
Jan 30, 2025
Dec 19, 2017
Series B
$57.6M
Sep 26, 2024
Feb 13, 2024
Series D
$170M
Jul 19, 2024
Feb 22, 2021
Series B
$120M
Feb 08, 2024
Jan 26, 2022
Series B
$85M
Nov 10, 2023
Feb 09, 2023
Series A
$200M

Acquired companies in RTW Investments' Portfolio

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11 companies from RTW Investments' portfolio have been acquired. The most recent acquisition were Landos Biopharma in Mar 2024 by AbbVie for $212M.
Here are RTW Investments' portfolio companies that got acquired most recently:
Company
Acquisition Date
First Invested on
First Round of Investment
Round Size
Mar 25, 2024
Aug 23, 2019
Series B
$60.3M
Oct 05, 2023
Dec 20, 2017
Series B
$114M
Apr 16, 2023
Nov 09, 2020
Series D
$130M
Jan 09, 2023
Oct 12, 2021
Series B
$143M
Jul 11, 2022
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Team profile of RTW Investments

RTW Investments has a team of 51 members including 22 Partners, 1 Venture Partner and 8 Principals located in United States, United Kingdom and 1 more locations. RTW Investments' team does not sit on the board of any company as of now.
Here is a list of top team members in RTW Investments:
Name
Designation
Location
Board Memberships
Contact details
Partner
New York City
-
-
Partner
New York City
-
-
Partner
New York City
-
-
Partner
New York City
-
-
Partner
New York City
-
-
Partner
New York City
-
-
Partner
New York City
-
-
Partner
New York City
-
-
Partner
New York City
-
Partner
London
-
Partner
New York City
-
-
lockGet the full list of RTW Investments' team & partners for free. Download now!

Co-investors of RTW Investments

Over the past 10 years, 530 investors have co-invested in RTW Investments's portfolio companies.

  • Invested before RTW InvestmentsGoogle Ventures, 5AM Ventures and 217 others have invested in rounds before RTW Investments. There are 7 companies where Google Ventures has invested before RTW Investments and 5 companies where 5AM Ventures has invested before RTW Investments.
  • Top Co-investors of RTW Investments203 investors entered a company along with RTW Investments. These include investors like Perceptive Advisors (15 companies).
  • Invested after RTW InvestmentsA total of 108 investors have invested in RTW Investments's portfolio after their investments. Top Investors include BlackRock (3 companies), Farallon Capital Management (3 companies) and HHS (3 companies).
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Recent News related to RTW Investments

RTW Biotech notes mixed updates across portfolio companiesUK Share Prices &ampMay 30, 2025RTW Investments, Taysha Gene Therapies
RTW Biotech Invests $155M in Airna's Oversubscribed Series B FundingShares MagazineApr 03, 2025RTW Investments, AIRNA
Airna adds $155M in fundingBioPharmaDiveApr 01, 2025AIRNA, Venrock, Forbion, RTW Investments and 3 others
RTW Biotech underperforms benchmark but optimistic for 2025UK Share Prices &ampMar 31, 2025RTW Investments
View all news related to RTW Investments

FAQ's about RTW Investments

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