ALNYLAM PHARMACEUTICALS, INC. Unrecognized Tax Benefits in USD from Q4 2010 to Q4 2024

Taxonomy & unit: us-gaap: USD
Description: Amount of unrecognized tax benefits.
Summary: Alnylam Pharmaceuticals, Inc. quarterly Unrecognized Tax Benefits history and growth rate from Q4 2010 to Q4 2024.
Alnylam Pharmaceuticals, Inc. Unrecognized Tax Benefits for the quarter ending December 31, 2024 was $53.1M.

Unrecognized Tax Benefits, Quarterly (USD)

Unrecognized Tax Benefits, YoY Quarterly Growth (%)

ALNYLAM PHARMACEUTICALS, INC. Quarterly Unrecognized Tax Benefits (USD)

Period	Value	YoY Chg	Change %	Date	Report	Filed
Q4 2024	$53.1M			Dec 31, 2024	10-K	2025-02-13
Q4 2019	$305K	+$305K		Dec 31, 2019	10-K	2020-02-13
Q4 2018	$0	$0		Dec 31, 2018	10-K	2020-02-13
Q4 2017	$0			Dec 31, 2017	10-K	2020-02-13
Q4 2011	$128K	-$300K	-70.1%	Dec 31, 2011	10-K	2014-02-20
Q4 2010	$428K			Dec 31, 2010	10-K	2013-02-19

* An asterisk sign (*) next to the value indicates that the value is likely invalid.