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Tesaro

company in Waltham, United States
Organization business Q30269328
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Financials

Self-reported XBRL data from 2 annual filings
Revenue
$44.82M
▲ 14039.7% YoY FY2016
Assets
$862.18M
▲ 2.4% YoY FY2017
$0.00$12.33M$24.65M$36.98M$49.31M FY2015: $317.0KFY2016: $44.82M '15'16
Source: SEC EDGAR · latest 10-K filed 2016-12-31 · accession 0001558370-17-001160

Tesaro

Summary

Tesaro is a business[1]. Tesaro ranks in the top 4% of business entities by monthly Wikipedia readership (234 views/month).[2]

Key Facts

  • Tesaro is in the country of United States[3].
  • Tesaro is in the country of US[4].
  • Tesaro's instance of is recorded as business[5].
  • Tesaro's instance of is recorded as public company[6].
  • Tesaro's headquarters location is recorded as Waltham[7].
  • January 1, 2010 marks the founding of Tesaro[8].
  • Tesaro's official website is recorded as http://www.tesarobio.com/[9].
  • Tesaro's product or material produced is recorded as rolapitant[10].
  • Tesaro's legal form is recorded as Q130264988[11].
  • Tesaro's legal form is recorded as ZJTK[12].

Product Details

The following facts are restated verbatim from public-domain and CC0 open-data sources — every line is independently verifiable against the named source's catalog.

GLEIF Golden Copy — Level 1 entity data

  • Legal Entity Identifier (LEI): 2549002X18IVK5P43679[13]

  • Registered legal name: Tesaro, Inc.[14]

  • Legal jurisdiction: US-MA[15]

  • GLEIF entity category: GENERAL[16]

  • Legal form (ISO 20275 ELF): ZJTK[17]

  • Entity status: ACTIVE[18]

  • LEI registration status: LAPSED[19]

  • LEI first registered: 2018-04-25[20]

  • LEI last updated: 2022-03-11[21]

  • LEI next renewal: 2019-04-25[22]

  • Managing LOU: 5493001KJTIIGC8Y1R12[23]

  • Registration authority: RA000613[24]

  • Authority entity ID: 272249687[25]

  • Conformity flag: NON_CONFORMING[26]

Body

Founding

January 1, 2010 marks the founding of Tesaro[8].

Operations

Tesaro's headquarters location is recorded as Waltham[7].

Ownership

Tesaro's product or material produced is recorded as rolapitant[10].

Why It Matters

Tesaro ranks in the top 4% of business entities by monthly Wikipedia readership (234 views/month).[2] Tesaro is known by 4 alternative names across languages and contexts.[27]

Related Entities

business public company United States

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . GRID Release 2017-05-22. wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . GRID Release 2017-05-22. wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . GRID Release 2017-05-22. wikidata.org.
  7. [9] ↑ . GRID Release 2017-05-22. wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . Global LEI Index. Retrieved . wikidata.org.
  10. [12] ↑ . wikidata.org.

Product details (FDA / USDA / NHTSA public-domain catalog data)

  1. [13] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  2. [14] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  3. [15] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  4. [16] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  5. [17] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  6. [18] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  7. [19] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  8. [20] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  9. [21] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  10. [22] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  11. [23] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  12. [24] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  13. [25] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.
  14. [26] ↑ . Global Legal Entity Identifier Foundation (GLEIF). Retrieved . gleif.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [27] ↑ . Wikidata aliases. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Tesaro. Retrieved October 1, 2026, from https://4ort.xyz/entity/tesaro
MLA “Tesaro.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Oct. 2026, https://4ort.xyz/entity/tesaro.
BibTeX @misc{4ortxyz_tesaro_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Tesaro}}, year = {2026}, url = {https://4ort.xyz/entity/tesaro}, note = {Accessed: 2026-10-01}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Tesaro — https://4ort.xyz/entity/tesaro (retrieved 2026-10-01)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6w ago · Trivialist · 2026-08-22 view diff on Wikidata ↗
    Inception → —
    Country → United States, US
    Country → —
    Logo image → TESARO-Logo.jpg
    + 31 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ [[Property:P14750]]: 6998-A13F-8B1E-E220-13D3, [[:toollabs:quickstatements/#/batch/269257|batch #269257]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.