CUSIP 45253H951
IMMUNOGEN INC
6 institutions · $15.5M total · 1,214,000 shares
| # | Manager | Shares | Value | % of Total | Period |
|---|---|---|---|---|---|
| 1 | JANE STREET GROUP, LLC | 552,200 | $8.8M | 45.48% | 2023-12-31 |
| 2 | GROUP ONE TRADING, L.P. | 413,300 | $6.6M | 34.04% | 2023-12-31 |
| 3 | JPMORGAN CHASE & CO | 4,400 | $130.5K | 0.36% | 2024-12-31 |
| 4 | Worth Venture Partners, LLC | 63,900 | $3.2K | 5.26% | 2023-03-31 |
| 5 | SIMPLEX TRADING, LLC | 180,200 | $2.9K | 14.84% | 2023-12-31 |
| 6 | CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% | 2023-12-31 |