Illumina Inc (ILMN)

Operating return on assets (Operating ROA)

		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	-832,000	-1,171,000	-2,666,000	-1,117,000	-1,070,000	-1,033,000	-3,936,000	-4,427,000	-4,179,000	-4,011,000	-899,000	-133,000	-124,000	-32,000	675,000	584,000	580,000	715,000	861,000	970,000
Total assets	US$ in thousands	6,303,000	6,014,000	6,081,000	10,040,000	10,111,000	10,122,000	11,774,000	11,811,000	12,252,000	11,256,000	15,448,000	15,274,000	15,217,000	15,063,000	8,675,000	8,755,000	7,585,000	7,404,000	7,248,000	7,261,000
Operating ROA		-13.20%	-19.47%	-43.84%	-11.13%	-10.58%	-10.21%	-33.43%	-37.48%	-34.11%	-35.63%	-5.82%	-0.87%	-0.81%	-0.21%	7.78%	6.67%	7.65%	9.66%	11.88%	13.36%

December 31, 2024 calculation

Operating ROA = Operating income (ttm) ÷ Total assets
= $-832,000K ÷ $6,303,000K
= -13.20%

Illumina Inc's operating return on assets (ROA) experienced a gradual decline from March 31, 2020, at 13.36% to December 31, 2020, at 7.65%. Subsequently, the operating ROA exhibited fluctuations, with periods of improvement followed by downturns. Notably, the operating ROA turned negative in September 30, 2021, remaining negative for the next several quarters. The most significant decline occurred in June 30, 2024, at -43.84%, indicating operational challenges impacting the company's asset utilization efficiency. Despite some fluctuations, Illumina Inc's operating ROA remained negative towards the end of the period, with a slight improvement to -13.20% by December 31, 2024. This trend suggests potential issues related to the company's operational performance and asset management effectiveness during the specified period.