Institutional Ownership
Aktis Oncology Inc
CUSIP 01021M104COMQ1 2026
13D / 13G Filings
2
Schedule 13D/13G on record
Beneficial Filers
2
Distinct reporting persons
Largest Stake
10.9%
Max % of class reported
Institutional Holders
65
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
2 filings · latest Jan 20, 2026
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Mpm Bioimpact LLC | 4.84M | $86.51M |
| 2 | Ecor1 Capital, LLC | 4.82M | $86.31M |
| 3 | Blue Owl Capital Holdings LP | 3.16M | $56.56M |
| 4 | Wellington Management Group LLP | 2.32M | $41.45M |
| 5 | Blackrock, Inc. | 2.11M | $37.79M |
| 6 | Rtw Investments, LP | 1.59M | $28.48M |
| 7 | Ra Capital Management, L.P. | 1.50M | $26.89M |
| 8 | Janus Henderson Group PLC | 1.45M | $26.02M |
| 9 | Baker Bros. Advisors LP | 996.4K | $17.82M |
| 10 | Octagon Capital Advisors LP | 960.8K | $17.19M |