Sr One Capital Management, LP / ACLXGBX
Sr One Capital Management, LP’s Arcellx Inc Position
Does Sr One Capital Management, LP own Arcellx Inc (ACLXGBX)? Yes — 2.35M shares worth $269M (+29.43% of its 13F portfolio) as of Q1 2026.
Position Value
$269M
Q1 2026
Shares
2.35M
% of Portfolio
+29.43%
Quarters Held
17
currently held
Position History ACLXGBX
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 2.35M | $269M | +29.43% |
| Q4 2025 | 2.35M | $153M | +21.66% |
| Q3 2025 | 2.35M | $193M | +27.86% |
| Q2 2025 | 2.35M | $155M | +33.49% |
| Q1 2025 | 2.35M | $154M | +39.54% |
| Q4 2024 | 2.35M | $180M | +43.88% |
| Q3 2024 | 2.35M | $196M | +39.29% |
| Q2 2024 | 2.35M | $130M | +40.55% |
| Q1 2024 | 2.35M | $163M | +44.83% |
| Q4 2023 | 3.15M | $175M | +73.33% |
| Q3 2023 | 3.95M | $142M | +72.57% |
| Q2 2023 | 3.95M | $125M | +53.81% |
| Q1 2023 | 5.50M | $169M | +63.12% |
| Q4 2022 | 5.50M | $170M | +62.20% |
| Q3 2022 | 5.50M | $103M | +47.19% |
| Q2 2022 | 5.50M | $99M | +48.67% |
| Q1 2022 | 5.50M | $77M | +39.48% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Sr One Capital Management, LP’s full portfolio or all institutional holders of ACLXGBX.