AKTS Aktis Oncology Inc.
Health Care, filed as AKTIS ONCOLOGY INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
- 3 Owners
- Max 2.5%
- $21M
- 1 new 1 small
In 2026 Q2 Polen Capital Management opened a position in Aktis Oncology.
Who owns this now
Largest portfolio weights among holders, up to 2.5% (David Witzke, Avidity Partners Management). Not free-float ownership.
Who owns AKTS
Sorted by value, long equity only, as of 2026 Q2.
| History | |||||
|---|---|---|---|---|---|
| David Witzke, Avidity Partners Management | Small add +3.3% | 484,200 | $16M | History | |
| George Soros, Soros Fund Management | Hold | 100,000 | $3.2M | History | |
| Polen Capital Management | New 0.02% | 63,514 | $2M | History |
Insider trades
Open-market buys and sales by AKTS's executives, directors and 10% owners in the last 12 months, from their Form 4s
- $114M bought by 6 insiders
- $3M sold by 3 insiders outside a trading plan
- $259K sold by 1 insider under 10b5-1 plans
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Akos Czibere Chief Medical OfficerPlanned sale$259K 12,500 shares at $20.69 100% of stakeTraded Sep 23 Filed Sep 24
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Ken Herrmann DirectorSale$119K 4,856 shares at $24.56 100% of stakeTraded Jul 20 Filed Jul 21
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Ken Herrmann DirectorSale$77K 3,065 shares at $25.21 100% of stakeTraded Jul 17 Filed Jul 20
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Shulamit Ron-Bigger COOSale$1.4M 50,000 shares at $27.75 100% of stakeTraded Jul 8 Filed Jul 10
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Akos Czibere Chief Medical OfficerSale$1.4M 50,000 shares at $27.77 100% of stakeTraded Jul 8 Filed Jul 10
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Todd Foley DirectorBuy$4.2M 232,870 shares at $18.00 +5.8% to stakeTraded Jan 12 Filed Jan 14
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Mpm Bioventures 2018, L.P. 10% owner, +7 joint filersBuy$20M 1,112,777 shares at $18.00 +12% to stakeTraded Jan 12 Filed Jan 14
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Vida Ventures II, LLC 10% owner, +1 joint filerBuy$15M 835,000 shares at $18.00 New stakeTraded Jan 12 Filed Jan 12
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EcoR1 Capital, LLC Director, +1 joint filerBuy$40M 2,222,222 shares at $18.00 New stakeTraded Jan 12 Filed Jan 12
Also filed in the last 12 months, not counted as buying or selling: 17 conversions and 6 option exercises.
SEC filings
Recent issuer filings from EDGAR, 17 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| 8-K | 5.02,7.01,9.01 | Filing Doc | |
| 10-K | Filing Doc | ||
| 8-K | 2.02,9.01 | Filing Doc | |
| SCHEDULE 13D | — | Filing Doc | |
| SCHEDULE 13D | — | Filing Doc | |
| SCHEDULE 13D | — | Filing Doc | |
| SCHEDULE 13D | — | Filing Doc | |
| 8-K | 5.03,9.01 | Filing Doc | |
| 424B4 | Filing Doc | ||
| S-1/A | Filing Doc | ||
| S-1/A | Filing Doc | ||
| S-1 | Filing Doc |
No filings match this filter.
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.
Further reading
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- How to Read a Financial Report (Tracy & Tracy) View on Amazon
- Financial Statements QuickStudy Laminated Guide View on Amazon