Institutional Ownership
I Mab
CUSIP 44975P103SPONSORED ADSNBPQ1 2026
Institutional Holders
48
13F filers
Shares Held
29.32M
Aggregate institutional
Institutional Value
$71.81M
Q1 2026
Net New Holders
-9
9 new · 18 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions9
Increased14
Decreased15
Sold out18
Institutional Holders
48 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Janus Henderson Group PLC | 6.03M | $14.81M | −2.40M | Reduced |
| 2 | Hhlr Advisors, Ltd. | 5.98M | $14.71M | 0 | Held |
| 3 | Morgan Stanley | 3.84M | $9.44M | +52.7K | Added |
| 4 | Siren, L.L.C. | 3.00M | $7.38M | 0 | Held |
| 5 | Aihc Capital Management Ltd | 2.26M | $5.57M | +1.85M | Added |
| 6 | Point72 Asset Management, L.P. | 1.39M | $3.42M | −909.1K | Reduced |
| 7 | Candriam S.C.A. | 1.13M | $2.79M | 0 | Held |
| 8 | Adage Capital Partners Gp, L.L.C. | 1.00M | $2.46M | 0 | Held |
| 9 | Woodline Partners LP | 700.0K | $1.72M | −350.0K | Reduced |
| 10 | Blackrock, Inc. | 627.5K | $1.54M | +9.1K | Added |
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