SEC 13F Intelligence

Rock Springs Capital Management LP / SGENUSD

Rock Springs Capital Management LP’s Seagen Inc Position

Does Rock Springs Capital Management LP own Seagen Inc (SGENUSD)? Not currently — the last reported position was 400.2K shares worth $85M in Q3 2023; the fund’s latest 13F (Q1 2026) no longer reports it.

Position Value
$85M
Q3 2023
Shares
400.2K
% of Portfolio
+2.27%
Quarters Held
20
position exited

Position History SGENUSD

Reported value by quarter
Q4 ’18: $11MQ4 ’18Q1 ’19: $18MQ2 ’19: $17MQ3 ’19: $21MQ3 ’19Q4 ’19: $28MQ1 ’20: $28MQ2 ’20: $42MQ2 ’20Q3 ’20: $49MQ4 ’20: $44MQ1 ’21: $35MQ1 ’21Q2 ’21: $39MQ3 ’21: $42MQ4 ’21: $40MQ4 ’21Q1 ’22: $39MQ2 ’22: $48MQ3 ’22: $37MQ3 ’22Q4 ’22: $51MQ1 ’23: $81MQ2 ’23: $77MQ2 ’23Q3 ’23: $85Mfilingsflow.com
QuarterSharesValue% of Portfolio
Q3 2023400.2K$85M+2.27%
Q2 2023400.2K$77M+1.83%
Q1 2023400.2K$81M+1.93%
Q4 2022400.2K$51M+1.24%
Q3 2022272.0K$37M+0.96%
Q2 2022272.0K$48M+1.40%
Q1 2022270.5K$39M+0.98%
Q4 2021256.0K$40M+0.91%
Q3 2021250.0K$42M+0.89%
Q2 2021250.0K$39M+0.78%
Q1 2021250.0K$35M+0.76%
Q4 2020250.0K$44M+0.93%
Q3 2020250.0K$49M+1.24%
Q2 2020250.0K$42M+1.17%
Q1 2020242.0K$28M+1.15%
Q4 2019242.0K$28M+0.87%
Q3 2019242.0K$21M+0.82%
Q2 2019242.0K$17M+0.61%
Q1 2019242.0K$18M+0.68%
Q4 2018202.5K$11M+0.54%

Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Rock Springs Capital Management LP’s full portfolio or all institutional holders of SGENUSD.