Which hedge funds own QSI? QUANTUM SI INC, Q2 2026 13F holders
4 of the hedge funds tracked by WhaleCreep disclosed a position in QSI (QUANTUM SI INC) in their Q2 2026 13F filings, worth $3.3m in total. The largest holder by portfolio weight is Millennium Management at 0.0% of its book. 2 managers opened a new position this quarter: Millennium Management, Point72 Asset Management LP.
4tracked managers holding
2opened this quarter
0exited this quarter
Which hedge funds hold QSI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Millennium Management | Q2 2026 | 0.0% | $2.8m | 3,131,726 | – | new |
| Renaissance Technologies LLC | Q2 2026 | 0.0% | $490.2k | 553,871 | 370% | added |
| Point72 Asset Management LP | Q2 2026 | 0.0% | $34.6k | 39,133 | – | new |
| Citadel Advisors | Q2 2026 | 0.0% | $39.2k | 44,335 | 185% | added |
How has hedge fund ownership of QSI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 4 | $3.3m |
| Q1 2026 | 2 | $103.3k |
| Q2 2025 | 1 | $174.8k |
| Q1 2025 | 1 | $1.0m |
| Q4 2024 | 1 | $1.5m |
| Q3 2024 | 1 | $36.7k |
| Q3 2023 | 1 | $996 |
| Q2 2023 | 3 | $4.7m |
| Q1 2023 | 4 | $7.7m |
| Q4 2022 | 4 | $9.1m |
| Q3 2022 | 3 | $15.9m |
| Q2 2022 | 3 | $13.7m |
| Q1 2022 | 3 | $30.2m |
| Q4 2021 | 3 | $52.5m |
| Q3 2021 | 3 | $64.0m |
| Q2 2021 | 3 | $115.6m |
Counts every tracked manager that disclosed QSI in that quarter's filing, including managers that have since stopped filing.