Institutional Ownership
I Mab
CUSIP 44975P103SPONSORED ADSNBPQ1 2026
13D / 13G Filings
33
Schedule 13D/13G on record
Beneficial Filers
14
Distinct reporting persons
Largest Stake
17.9%
Max % of class reported
Institutional Holders
48
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
33 filings · latest Feb 3, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 3, 2026 | Cbc Investment I-Mab Limited | 13D/A | 11.5% | — | SEC |
| 2 | Aug 7, 2025 | Cbc Investment I-Mab Limited | 13D/A | 10.4% | — | SEC |
| 3 | Aug 5, 2025 | Everest Medicines Limited | 13D | 16.1% | — | SEC |
| 4 | Feb 5, 2025 | Cbc Investment I-Mab Limited | 13D | 17.9% | — | SEC |
| 5 | Feb 13, 2024 | Gic Private Ltd | 13G/A | — | — | SEC |
| 6 | Feb 9, 2024 | Zang Jingwu Zhang | 13G/A | 5.6% | 10.45M | SEC |
| 7 | Feb 6, 2024 | Infini Capital Management Ltd | 13G | — | — | SEC |
| 8 | Dec 1, 2023 | T Investment Ltd | 13D | 9.9% | 8.17M | SEC |
| 9 | Jun 30, 2023 | Hhlr Advisors, Ltd. | 13D/A | 8.3% | 15.89M | SEC |
| 10 | Feb 15, 2023 | Cbc Investment I-Mab Ltd | 13G/A | 1.9% | 3.64M | SEC |
23 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for I Mab.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Janus Henderson Group PLC | 6.03M | $14.81M |
| 2 | Hhlr Advisors, Ltd. | 5.98M | $14.71M |
| 3 | Morgan Stanley | 3.84M | $9.44M |
| 4 | Siren, L.L.C. | 3.00M | $7.38M |
| 5 | Aihc Capital Management Ltd | 2.26M | $5.57M |
| 6 | Point72 Asset Management, L.P. | 1.39M | $3.42M |
| 7 | Candriam S.C.A. | 1.13M | $2.79M |
| 8 | Adage Capital Partners Gp, L.L.C. | 1.00M | $2.46M |
| 9 | Woodline Partners LP | 700.0K | $1.72M |
| 10 | Blackrock, Inc. | 627.5K | $1.54M |