CUSIP 159864957
CHARLES RIV LABS INTL INC
8 institutions · $15.6M total · 75,600 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | 51,700 | $10.7M | 68.38% | 2024-06-30 |
| 2 | PURA VIDA INVESTMENTS, LLC | 13,600 | $2.9M | 17.98% | 2023-09-30 |
| 3 | Maven Securities LTD | 4,400 | $862.3K | 5.82% | 2023-12-31 |
| 4 | Twin Tree Management, LP | 3,200 | $672.8K | 4.23% | 2023-09-30 |
| 5 | CenterStar Asset Management, LLC | 1,200 | $242.2K | 1.58% | 2023-06-30 |
| 6 | GROUP ONE TRADING, L.P. | 1,000 | $156.5K | 1.32% | 2025-09-30 |
| 7 | SIMPLEX TRADING, LLC | 500 | $99.7K | 0.66% | 2025-12-31 |
| 8 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2025-06-30 |