v3.26.3
Intangible assets and goodwill (Tables)
9 Months Ended
Sep. 30, 2026
Intangible assets and goodwill  
Schedule of definite lived intangible assets

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​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Ending Balance at

​

​

​

​

​

Foreign

​

​

Ending Balance at

Definite-lived

​

​

December 31,

​

​

​

​

​

currency

​

​

September 30,

intangible assets, gross

  ​ ​ ​

​

2025

  ​ ​ ​

​

Additions

  ​ ​ ​

​

translation

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​

2026

Waylivra

​

​

18,598

​

​

3,414

​

​

(691)

​

​

21,321

Tegsedi

​

​

24,825

​

​

4,297

​

​

(902)

​

​

28,220

Kebilidi

​

​

10,731

​

​

—

​

​

—

​

​

10,731

Upstaza

​

​

106,937

​

​

—

​

​

—

​

​

106,937

Sephience

​

​

283,500

​

​

84,053

​

​

—

​

​

367,553

Total definite-lived intangibles, gross

​

$

444,591

​

$

91,764

​

$

(1,593)

​

$

534,762

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

​

Ending Balance at

​

​

​

​

​

Foreign

​

​

Ending Balance at

Definite-lived

​

​

December 31,

​

​

​

​

​

currency

​

​

September 30,

intangible assets, accumulated amortization

  ​ ​ ​

​

2025

  ​ ​ ​

​

Amortization

  ​ ​ ​

​

translation

  ​ ​ ​

​

2026

Waylivra

​

​

(8,689)

​

​

(2,848)

​

​

353

​

​

(11,184)

Tegsedi

​

​

(10,295)

​

​

(3,877)

​

​

426

​

​

(13,746)

Kebilidi

​

​

(1,006)

​

​

(1,459)

​

​

—

​

​

(2,465)

Upstaza

​

​

(27,437)

​

​

(11,925)

​

​

—

​

​

(39,362)

Sephience

​

​

(8,411)

​

​

(15,908)

​

​

—

​

​

(24,319)

Total definite-lived intangibles, accumulated amortization

​

$

(55,838)

​

$

(36,017)

​

$

779

​

$

(91,076)

​

​

​

​

​

​

​

​

​

​

​

​

​

Total definite-lived intangibles, net

​

​

​

​

​

​

​

​

​

​

$

443,686

​

Schedule of estimated future amortization of intangible assets

​

​

​

​

​

​

  ​ ​ ​

As of September 30, 2026

2026

​

$

13,534

2027

​

 

54,133

2028

​

 

54,133

2029

​

 

47,781

2030 and thereafter

​

 

274,105

Total

​

$

443,686