Insights

Strategic Partnership TESARO operates as an oncology-focused unit within GSK, presenting opportunities to align with large pharma collaborations, joint development programs, and licensing discussions that leverage existing oncology pipelines and commercial reach.

Dostarlimab Expansion Active development of Jemperli (dostarlimab) including monotherapy and combination strategies, plus a subcutaneous formulation via Alteogen, suggests demand for supportive manufacturing, formulation development, and route-to-market services aligned with immunotherapy and specialty oncology.

Clinical and IP Activity Ongoing collaborations and disputes with AnaptysBio highlight a dynamic IP and contract development landscape, signaling potential BD opportunities in collaboration agreements, technology licenses, and risk-management services for oncology biotech partnerships.

Growth Financing Significant funding capacity (Funding: 1.1B) alongside mid-market revenue, indicating capacity to engage in large-scale clinical program financing, milestone-driven partnerships, and co-development or co-commercialization arrangements.

Global Oncology Focus TESARO’s scale within GSK and profile in oncology, combined with a mid-sized employee base and comparable peers in the biopharma space, presents opportunities to position services around clinical operations, regulatory support, and strategic market access in multiple geographies.

TESARO, Inc. Tech Stack

TESARO, Inc. uses 8 technology products and services including Concrete CMS, Google Fonts API, Google Charts, and more. Explore TESARO, Inc.'s tech stack below.

  • Concrete CMS
    Content Management System
  • Google Fonts API
    Font Scripts
  • Google Charts
    Javascript Graphics
  • PyTorch
    Machine Learning
  • SWFObject
    Miscellaneous
  • Microsoft Office
    Office Suites
  • Linux
    Programming Languages
  • New Relic
    Real User Monitoring

Media & News

TESARO, Inc.'s Email Address Formats

TESARO, Inc. uses at least 1 format(s):
TESARO, Inc. Email FormatsExamplePercentage
FLast@tesarobio.comJDoe@tesarobio.com
85%
FirstLast@tesarobio.comJohnDoe@tesarobio.com
9%
First.Last@tesarobio.comJohn.Doe@tesarobio.com
6%

Frequently Asked Questions

What is TESARO, Inc.'s phone number?

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You can contact TESARO, Inc.'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is TESARO, Inc.'s stock symbol?

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TESARO, Inc. is a publicly traded company; the company's stock symbol is TSRO.

What is TESARO, Inc.'s official website and social media links?

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TESARO, Inc.'s official website is tesarobio.com and has social profiles on LinkedInCrunchbase.

How much revenue does TESARO, Inc. generate?

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As of July 2026, TESARO, Inc.'s annual revenue is estimated to be $50M - $100M.

What is TESARO, Inc.'s SIC code NAICS code?

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TESARO, Inc.'s SIC code is 2835 - In Vitro and In Vivo Diagnostic Substances NAICS code is 3254 - Pharmaceutical and Medicine Manufacturing.

How many employees does TESARO, Inc. have currently?

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As of July 2026, TESARO, Inc. has approximately 51 employees across 3 continents, including North AmericaEuropeAfrica. Key team members include Vice President, General Manager Dach: B. S.Senior Vice President Global Commercial Development: A. D.VP, General Manager France & Benelux: D. L. T.. Explore TESARO, Inc.'s employee directory with LeadIQ.

What industry does TESARO, Inc. belong to?

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TESARO, Inc. operates in the Pharmaceutical Manufacturing industry.

What technology does TESARO, Inc. use?

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TESARO, Inc.'s tech stack includes Concrete CMSGoogle Fonts APIGoogle ChartsPyTorchSWFObjectMicrosoft OfficeLinuxNew Relic.

What is TESARO, Inc.'s email format?

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TESARO, Inc.'s email format typically follows the pattern of FLast@tesarobio.com. Find more TESARO, Inc. email formats with LeadIQ.

How much funding has TESARO, Inc. raised to date?

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As of July 2026, TESARO, Inc. has raised $1.1B in funding. The last funding round occurred on Jun 30, 2016 for $409M.
TESARO, Inc. logo

TESARO, Inc.

Pharmaceutical ManufacturingMassachusetts, United States51-200 Employees

TESARO, Inc. is an oncology-focused entity operating within GlaxoSmithKline (GSK) in the pharmaceutical manufacturing industry. The company is headquartered in Waltham, Massachusetts, at 1000 Winter Street, and employs about 51 to 200 people. Under a collaboration framework, TESARO develops dostarlimab (Jemperli) as a monotherapy and in combination with other therapies for various solid tumor indications, and it is pursuing a subcutaneous formulation through an exclusive license with Alteogen. The company has a history of collaboration with AnaptysBio dating back to 2014, with related ongoing legal actions noted in recent updates. Reported revenue is in the range of $50 million to $100 million, with funding of $409 million.

Section iconCompany Overview

Phone number
SIC Code
2835 - In Vitro and In Vivo Diagnostic Substances
Stock Symbol
TSRO
NAICS Code
3254 - Pharmaceutical and Medicine Manufacturing
Employees
51-200

Section iconFunding & Financials

  • $1.1B

    TESARO, Inc. has raised a total of $1.1B of funding over 8 rounds. Their latest funding round was raised on Jun 30, 2016 in the amount of $409Mas a post_ipo_equity.

  • $50M - $100M

    TESARO, Inc.'s revenue is estimated to be in the range of $50M - $100M

Section iconFunding & Financials

  • $1.1B

    TESARO, Inc. has raised a total of $1.1B of funding over 8 rounds. Their latest funding round was raised on Jun 30, 2016 in the amount of $409Mas a post_ipo_equity.

  • $50M - $100M

    TESARO, Inc.'s revenue is estimated to be in the range of $50M - $100M

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