ImmunoGen, Inc. Quarterly Deferred Tax Assets, Valuation Allowance in USD from Q2 2011 to Q4 2022

Taxonomy & unit
us-gaap: USD
Description
Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.
Summary
ImmunoGen, Inc. quarterly Deferred Tax Assets, Valuation Allowance history and growth rate from Q2 2011 to Q4 2022.
  • ImmunoGen, Inc. Deferred Tax Assets, Valuation Allowance for the quarter ending December 31, 2022 was $334M, a 18.5% decline year-over-year.
Deferred Tax Assets, Valuation Allowance, Quarterly (USD)
Deferred Tax Assets, Valuation Allowance, YoY Quarterly Growth (%)
Period Value YoY Chg Change % Date Report Filed
Q4 2022 $334M -$75.7M -18.5% Dec 31, 2022 10-K 2023-03-01
Q4 2021 $410M +$47M +13% Dec 31, 2021 10-K 2023-03-01
Q4 2020 $363M +$15.2M +4.37% Dec 31, 2020 10-K 2022-02-28
Q4 2019 $348M +$27.8M +8.7% Dec 31, 2019 10-K 2021-03-01
Q4 2018 $320M +$49.9M +18.5% Dec 31, 2018 10-K 2020-03-11
Q4 2017 $270M -$52.8M -16.4% Dec 31, 2017 10-K 2019-03-01
Q4 2016 $323M Dec 31, 2016 10-K 2018-03-07
Q2 2016 $290M +$62.5M +27.5% Jun 30, 2016 10-KT 2017-03-03
Q2 2015 $227M +$27.9M +14% Jun 30, 2015 10-KT 2017-03-03
Q2 2014 $199M +$26M +15% Jun 30, 2014 10-K 2015-08-27
Q2 2013 $173M +$25.6M +17.3% Jun 30, 2013 10-K 2014-08-28
Q2 2012 $148M +$25.3M +20.6% Jun 30, 2012 10-K 2013-08-29
Q2 2011 $122M Jun 30, 2011 10-K 2012-08-29
* An asterisk sign (*) next to the value indicates that the value is likely invalid.