SEC 13F Intelligence

Rock Springs Capital Management LP / 260

Rock Springs Capital Management LP’s Centessa Pharmaceuticals PLC Position

Does Rock Springs Capital Management LP own Centessa Pharmaceuticals PLC (260)? Yes — 351.8K shares worth $14M (+0.82% of its 13F portfolio) as of Q1 2026, up from 324.0K shares the prior filed quarter.

Position Value
$14M
Q1 2026
Shares
351.8K
% of Portfolio
+0.82%
Quarters Held
3
currently held

Position History 260

Reported value by quarter
Q3 ’25: $2MQ3 ’25Q4 ’25: $8MQ4 ’25Q1 ’26: $14MQ1 ’26filingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026351.8K$14M+0.82%
Q4 2025324.0K$8M+0.42%
Q3 202569.2K$2M+0.10%

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 260.