I-Mab Ownership | Who Owns I-Mab?
I-Mab Ownership Summary
I-Mab is owned by 16.08% institutional investors, 21.40% insiders, and 62.52% retail investors. Hhlr advisors is the largest institutional shareholder, holding 7.32% of IMAB shares. Belfius Equities Cure C Cap is the top mutual fund, with 1.39% of its assets in I-Mab shares.
IMAB Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | I-Mab | 16.08% | 21.40% | 62.52% |
| Sector | Healthcare Stocks | 232.01% | 10.74% | -142.75% |
| Industry | Biotech Stocks | 381.47% | 10.55% | -292.02% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Hhlr advisors | 5.98M | 7.32% | $22.61M |
| Morgan stanley | 3.79M | 4.63% | $15.07M |
| Adage capital partners gp | 3.34M | 4.09% | $12.62M |
| Exome asset management | 1.44M | 1.76% | $5.44M |
| Ariose capital management | 1.36M | 1.67% | $5.43M |
| Siren | 1.17M | 1.43% | $4.41M |
| Candriam s.c.a. | 1.13M | 1.39% | $4.28M |
| Woodline partners lp | 1.05M | 1.29% | $3.97M |
| Barclays | 628.92K | 0.77% | $2.50M |
| Blackrock funding, inc. /de | 618.35K | 0.76% | $2.46M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Exome asset management | 1.44M | 3.30% | $5.44M |
| Ariose capital management | 1.36M | 1.82% | $5.43M |
| Hhlr advisors | 5.98M | 0.55% | $22.61M |
| Superstring capital management lp | 139.89K | 0.52% | $528.77K |
| Edbi pte | 222.14K | 0.20% | $188.82K |
| Siren | 1.17M | 0.17% | $4.41M |
| Point72 hong kong | 561.37K | 0.10% | $2.12M |
| Candriam s.c.a. | 1.13M | 0.02% | $4.28M |
| Adage capital partners gp | 3.34M | 0.02% | $12.62M |
| Woodline partners lp | 1.05M | 0.02% | $3.97M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Adage capital partners gp | 3.34M | 0.02% | 3.34M |
| Morgan stanley | 3.79M | 0.00% | 1.55M |
| Exome asset management | 1.44M | 3.30% | 1.44M |
| Siren | 1.17M | 0.17% | 1.17M |
| Woodline partners lp | 1.05M | 0.02% | 1.05M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Caligan partners lp | - | - | -3.50M |
| Boothbay fund management | - | - | -1.42M |
| Temasek (private) | - | - | -566.65K |
| Stonepine capital management | - | - | -483.65K |
| Sg americas securities | 36.48K | 0.00% | -427.41K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Adage capital partners gp | 3.34M | 0.02% | 3.34M | $12.62M |
| Exome asset management | 1.44M | 3.30% | 1.44M | $5.44M |
| Siren | 1.17M | 0.17% | 1.17M | $4.41M |
| Woodline partners lp | 1.05M | 0.02% | 1.05M | $3.97M |
| Blackrock funding, inc. /de | 618.35K | - | 618.35K | $2.46M |
Sold Out
| Holder | Change |
|---|---|
| Frazier financial advisors | -515.00 |
| Raymond james financial | -1.00K |
| Qube research | -2.56K |
| Tower research capital llc (trc) | -4.01K |
| Baxter bros | -10.00K |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 40 | -11.11% | 13,140,867 | -55.74% | 16 | 1.22% | 26 | -16.13% | 9 | 28.57% |
| Sep 30, 2025 | 45 | 36.36% | 29,690,135 | 215.99% | 36 | 144.99% | 31 | 106.67% | 7 | -22.22% |
| Jun 30, 2025 | 32 | 3.23% | 9,395,956 | 4.48% | 5 | 21.75% | 15 | 36.36% | 9 | 80.00% |
| Mar 31, 2025 | 3 | -89.29% | 6,525,693 | -45.22% | 3 | 8.62% | 1 | -88.89% | 1 | -83.33% |
| Dec 31, 2024 | 15 | -50.00% | 1,162,824 | -91.89% | - | 2.37% | 2 | -77.78% | 1 | -83.33% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Belfius Equities Cure C Cap | 1.13M | 1.39% | - |
| Fidelity Nasdaq Composite Index | 54.56K | 0.07% | 223.00 |
| abrdn Healthcare Investors | 53.88K | 0.07% | - |
| abrdn Healthcare Opportunities Fund | 43.74K | 0.05% | - |
| abrdn Healthcare Opportunities | 43.74K | 0.05% | - |
| abrdn World Healthcare | 38.85K | 0.05% | 9.19K |
| abrdn Life Sciences Investors | 26.11K | 0.03% | - |
| Dimensional Emerg Mkt Trgtd Val USD Acc | 25.22K | 0.03% | 10.67K |
| DFA Emerging Markets Social Core Port | 18.91K | 0.02% | - |
| DFA Emerging Markets Core Equity 2 I | 16.22K | 0.02% | 16.22K |
IMAB Ownership FAQ
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