Rock Springs Capital Management LP / EXK
Rock Springs Capital Management LP’s Exact Sciences Corp Position
Does Rock Springs Capital Management LP own Exact Sciences Corp (EXK)? Not currently — the last reported position was 601.8K shares worth $61M in Q4 2025; the fund’s latest 13F (Q1 2026) no longer reports it.
Position Value
$61M
Q4 2025
Shares
601.8K
% of Portfolio
+3.13%
Quarters Held
29
position exited
Position History EXK
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q4 2025 | 601.8K | $61M | +3.13% |
| Q3 2025 | 593.5K | $32M | +1.90% |
| Q2 2025 | 572.0K | $30M | +1.89% |
| Q1 2025 | 480.0K | $21M | +1.19% |
| Q4 2024 | 450.0K | $25M | +0.96% |
| Q3 2024 | 1.15M | $78M | +2.54% |
| Q2 2024 | 1.08M | $46M | +1.38% |
| Q1 2024 | 1.06M | $73M | +1.86% |
| Q4 2023 | 1.02M | $75M | +1.86% |
| Q3 2023 | 1.02M | $69M | +1.86% |
| Q2 2023 | 943.5K | $89M | +2.11% |
| Q1 2023 | 941.5K | $64M | +1.52% |
| Q4 2022 | 887.5K | $44M | +1.06% |
| Q3 2022 | 578.6K | $19M | +0.49% |
| Q2 2022 | 572.7K | $23M | +0.66% |
| Q1 2022 | 570.0K | $40M | +1.00% |
| Q4 2021 | 570.0K | $44M | +1.02% |
| Q3 2021 | 570.0K | $54M | +1.14% |
| Q2 2021 | 570.0K | $71M | +1.40% |
| Q1 2021 | 570.0K | $75M | +1.64% |
| Q4 2020 | 485.0K | $64M | +1.36% |
| Q3 2020 | 424.0K | $43M | +1.10% |
| Q2 2020 | 424.0K | $37M | +1.01% |
| Q1 2020 | 424.0K | $25M | +1.02% |
| Q4 2019 | 420.0K | $39M | +1.23% |
| Q3 2019 | 431.8K | $39M | +1.55% |
| Q2 2019 | 397.0K | $47M | +1.70% |
| Q1 2019 | 397.0K | $34M | +1.33% |
| Q4 2018 | 385.0K | $24M | +1.15% |
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 EXK.