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SEC filings · customer concentration · IRWD

Ironwood Pharmaceuticals's major customers

Abbvie accounted for 100% of Ironwood Pharmaceuticals's revenue in FY 2025, about the same as 99% a year earlier.

1major customers now
100%of revenue from them
0listed suppliers depending on it
2011–2026years covered
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Major customers of Ironwood Pharmaceuticals

Customers that Ironwood Pharmaceuticals named in its annual report as 10% or more of revenue. A missing year means the customer was below that line or not named.

CustomerShare of revenueChange vs prior yearHistoryLatest filing
AbbvieABBV100%from 99%FY 2018: 77%FY 2019: 78%FY 2020: 96%FY 2021: 98%FY 2022: 98%FY 2023: 98%FY 2024: 99%FY 2025: 100%8 yearsFY 2025 · filed 26 Feb 2026

Formerly disclosed

CustomerShare of revenueChange vs prior yearHistoryLatest filing
Allergan78%last FY 2019FY 2013: 13%FY 2014: 62%FY 2015: 90%FY 2016: 82%FY 2017: 88%FY 2018: 77%FY 2019: 78%7 yearsFY 2019 · filed 13 Feb 2020
Actavis62%last FY 2014FY 2012: 67%FY 2013: 13%FY 2014: 62%3 yearsFY 2014 · filed 18 Feb 2015
Forest Laboratories13%last FY 2013FY 2011: 64%FY 2012: 67%FY 2013: 13%3 yearsFY 2013 · filed 7 Feb 2014
Almirall10%last FY 2014FY 2011: 31%FY 2012: 14%FY 2013: 57%FY 2014: 10%4 yearsFY 2014 · filed 22 Feb 2017
Exact Sciences3%last FY 2015FY 2015: 3%1 yearFY 2015 · filed 19 Feb 2016
AstraZenecaAZN2%last FY 2015FY 2012: 16%FY 2013: 5%FY 2014: 5%FY 2015: 2%4 yearsFY 2015 · filed 19 Feb 2016
Astellas Pharma1%last FY 2021FY 2011: 5%FY 2012: 3%FY 2013: 25%FY 2014: 23%FY 2015: 5%FY 2016: 16%FY 2017: 10%FY 2018: 20%FY 2019: 13%FY 2020: 1%FY 2021: 1%11 yearsFY 2021 · filed 18 Feb 2022

About this data

US-listed companies must disclose revenue from any single customer that reaches 10% of their total (ASC 280). ShadowGraph reads these disclosures from the XBRL data of every 10-K and 20-F we scan, keeps one value per fiscal year (restatements replace earlier values) and links each number to its filing. Companies that describe a customer only as "Customer A" are not listed by name. Figures are as reported; nothing here is investment advice.

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