Biogen Inc (BIIB)

Operating profit margin

		Dec 31, 2024	Sep 30, 2024	Jun 30, 2024	Mar 31, 2024	Dec 31, 2023	Sep 30, 2023	Jun 30, 2023	Mar 31, 2023	Dec 31, 2022	Sep 30, 2022	Jun 30, 2022	Mar 31, 2022	Dec 31, 2021	Sep 30, 2021	Jun 30, 2021	Mar 31, 2021	Dec 31, 2020	Sep 30, 2020	Jun 30, 2020	Mar 31, 2020
Operating income (ttm)	US$ in thousands	-228,500	-68,000	-1,041,200	-1,093,300	-1,178,000	-1,366,500	-84,100	-500,900	178,800	1,404,900	1,810,500	2,477,500	2,840,700	1,923,000	2,215,400	3,704,200	4,550,200	6,658,500	7,378,400	7,359,800
Revenue (ttm)	US$ in thousands	9,675,900	9,607,500	9,672,000	9,663,100	9,835,600	9,993,300	9,971,500	10,104,600	10,173,400	10,363,200	10,633,600	10,819,500	10,981,700	11,100,500	11,697,700	12,604,300	13,444,600	14,263,300	14,487,300	14,422,400
Operating profit margin		-2.36%	-0.71%	-10.77%	-11.31%	-11.98%	-13.67%	-0.84%	-4.96%	1.76%	13.56%	17.03%	22.90%	25.87%	17.32%	18.94%	29.39%	33.84%	46.68%	50.93%	51.03%

December 31, 2024 calculation

Operating profit margin = Operating income (ttm) ÷ Revenue (ttm)
= $-228,500K ÷ $9,675,900K
= -2.36%

Biogen Inc's operating profit margin has exhibited a declining trend over the analyzed periods, starting at 51.03% in March 31, 2020, and reaching a low of -13.67% in September 30, 2023, before partially recovering to -2.36% by December 31, 2024. The company experienced a significant decrease in its operating profit margin from 46.68% in September 30, 2020, to 13.56% in September 30, 2022. This decline continued with negative margins from March 31, 2023, onwards. It is essential to investigate further the factors contributing to this negative trend and assess the company's strategies to improve its operating efficiency and profitability.