Revenues (Tables)

6 Months Ended

Jun. 30, 2023

Revenues [Abstract]

Revenues

During the three and six months ended June 30, 2023 and 2022, our revenues were comprised of the following (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022
Revenue:
Commercial revenue:
SPINRAZA royalties	$	61,012	$	59,627	$	111,258	$	113,444
Other commercial revenue:
TEGSEDI and WAYLIVRA revenue, net		10,655		10,386		17,133		16,547
Licensing and other royalty revenue		6,230		8,171		17,273		20,477
Total other commercial revenue		16,885		18,557		34,406		37,024
Total commercial revenue		77,897		78,184		145,664		150,468
Research and development revenue:
Collaborative agreement revenue		91,013		38,247		129,347		88,032
Eplontersen joint development revenue		19,501		17,360		43,924		37,210
Total research and development revenue		110,514		55,607		173,271		125,242
Total revenue	$	188,411	$	133,791	$	318,935	$	275,710