BLUE: bluebird bio, Inc. Yearly Stock Returns

Year	Beginning Price	Ending Price	Gain or Loss	Percent Gain or Loss
2014	20.98	91.72	70.74	337.18%
2015	91.72	64.22	-27.50	-29.98%
2016	64.22	61.70	-2.52	-3.92%
2017	61.70	178.10	116.40	188.65%
2018	178.10	99.20	-78.90	-44.30%
2019	99.20	87.75	-11.45	-11.54%
2020	87.75	43.27	-44.48	-50.69%
2021	43.27	35.62*	-7.65	-17.68%
2022	9.99	6.92	-3.07	-30.73%
2023	6.92	1.38	-5.54	-80.06%
2024	1.38	0.417*	-0.963	-69.78%

*In 2021, bluebird bio (BLUE) completed its spinoff of 2seventy bio (TSVT). BLUE shareholders received 1 share of TSVT for every share of BLUE held.
*The 2024 ending price for bluebird bio has been adjusted for a 1 for 20 reverse stock split.

Calculations do not reflect any dividends paid or any stock spinoffs from original stock. Taxes and commissions are not factored into calculations. Data is property of 1stock1 and written permission must be granted before redistributing any data (in part or in whole).