SEC 13F Intelligence

Rock Springs Capital Management LP / COGT

Rock Springs Capital Management LP’s Cogent Biosciences Inc Position

Does Rock Springs Capital Management LP own Cogent Biosciences Inc (COGT)? Yes — 624.2K shares worth $24M (+1.42% of its 13F portfolio) as of Q1 2026, down from 849.0K shares the prior filed quarter.

Position Value
$24M
Q1 2026
Shares
624.2K
% of Portfolio
+1.42%
Quarters Held
4
currently held

Position History COGT

Reported value by quarter
Q2 ’25: $6MQ2 ’25Q3 ’25: $14MQ3 ’25Q4 ’25: $30MQ4 ’25Q1 ’26: $24MQ1 ’26filingsflow.com
QuarterSharesValue% of Portfolio
Q1 2026624.2K$24M+1.42%
Q4 2025849.0K$30M+1.55%
Q3 20251.01M$14M+0.85%
Q2 2025800.2K$6M+0.36%

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 COGT.