Biogen Inc (BIIB)

Gross 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
Gross profit (ttm)	US$ in thousands	4,545,100	4,565,800	4,340,400	4,262,800	4,293,100	4,560,000	5,013,800	5,194,800	5,114,100	4,431,600	4,584,300	4,800,400	5,316,400	7,273,800	8,587,800	10,180,300	11,639,400	12,501,700	12,744,800	12,614,700
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
Gross profit margin		46.97%	47.52%	44.88%	44.11%	43.65%	45.63%	50.28%	51.41%	50.27%	42.76%	43.11%	44.37%	48.41%	65.53%	73.41%	80.77%	86.57%	87.65%	87.97%	87.47%

December 31, 2024 calculation

Gross profit margin = Gross profit (ttm) ÷ Revenue (ttm)
= $4,545,100K ÷ $9,675,900K
= 46.97%

Biogen Inc's gross profit margin has fluctuated over the period analyzed. Starting at a high of 87.47% in March 2020, the margin increased slightly to 87.97% by June 2020 before experiencing a slight decline to 87.65% in September 2020. However, there was a more significant drop to 86.57% by December 2020. The gross profit margin continued to decrease through March 2021 (80.77%), June 2021 (73.41%), and September 2021 (65.53%). The trend reversed slightly with an increase to 48.41% in December 2021, before dropping again to 44.37% in March 2022 and reaching a low of 42.76% in September 2022. Subsequently, the margin began to recover, reaching 50.27% by December 2022 and further improving to 51.41% by March 2023. The margin remained relatively stable around the 50% mark through June and September 2023. By the end of December 2023 and March 2024, the gross profit margin showed a slight increase to 46.97% and 44.11% respectively, before rising to 47.52% in September 2024. Overall, despite some fluctuations, the gross profit margin has shown a general trend of stabilization and recovery in the latter part of the period analyzed.