IMAB — I-Mab

Ownership history in Siren, L.L.C.  ·  2 quarters on record

This page tracks every 13F SEC filing in which Siren, L.L.C. reported a position in I-Mab (IMAB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.36% (2025 Q4)
Avg. % of fund
0.26%
First filed
2025 Q3
Last filed
2025 Q4
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 3,000,000 +1,834,043 +157.3% 0.36% $11.9M —
2025 Q3 INITIATED 1,165,957 — — 0.17% $4.4M —
% of Fund (quarterly)

Other funds also holding IMAB

As of 2025 Q4 — sorted by position size

Ariose Capital Management Ltd 3Y 7Y 1.82% AIHC Capital Management Ltd 1.54% Exome Asset Management LLC 0.95% HHLR ADVISORS, LTD. 3Y 7Y 0.77% Taikang Asset Management (Hong Kong) Co Ltd 3Y 7Y 0.05% DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD. 3Y 0.03% Candriam S.C.A. 3Y 7Y 0.02% Woodline Partners LP 3Y 0.02% JANUS HENDERSON GROUP PLC 3Y 7Y 0.02% XTX Topco Ltd 3Y 0.01%
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