Siren »

I Mab shares owned by Siren

Quarter-by-quarter ownership of I Mab (IMAB) shares owned by Siren from 13F filings

Historical chart of Siren investment in I Mab

Tip: Access up to 7 years of quarterly data

All positions including I Mab held by Siren consolidated in one spreadsheet with up to 7 years of data

Download as csvDownload consolidated filings csv Download as ExcelDownload consolidated filings xlsx

Quarterly reported holdings in I Mab by Siren

Quarter filed Position value Share count Share price at filing
2025-09-30 $4.4M 1.2M 3.78