Aktis Oncology, Inc.
AKTS- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0002035832
In the last 90 days, Aktis Oncology, Inc. insiders filed 0 open-market purchases and 5 sales; 113 institutions reported holding it in 13F filings for Q2 2026, worth $1.10B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Aktis Oncology, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 113
- +46 vs. Q1 2026
- Shares held
- 34.2M
- +443.9K (+1.3%) vs. Q1 2026
- Total value
- $1.10B
- +$497.5M (+82.4%) vs. Q1 2026
- New holders
- 52
- 27 more added
- Sold out
- 6
- 18 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AKTS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 113 | $1.10B |
| Q1 2026 | 69 | $629.8M |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 0 | $0 |
| Q2 2025 | 0 | $0 |
| Q1 2025 | 0 | $0 |
| Q4 2024 | 0 | $0 |
| Q3 2024 | 0 | $0 |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Aktis Oncology, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| MPM Oncology Impact Management LP | 4,835,872 | $155.9M | 9.50% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 4,824,469 | $155.5M | 7.71% | 00.0% | Unchanged |
| Blue Owl Capital Holdings LP | 3,070,219 | $99.0M | 15.04% | −91,129−2.9% | Reduced |
| BlackRock, Inc. | 2,278,358 | $73.4M | 0.00% | +166,231+7.9% | Added |
| T. Rowe Price Investment Management, Inc. | 2,051,447 | $66.1M | 0.04% | −72,365−3.4% | Reduced |
| Wellington Management Group LLP | 1,966,244 | $63.4M | 0.01% | −350,800−15.1% | Reduced |
| RTW Investments, LP | 1,592,043 | $51.3M | 0.44% | 00.0% | Unchanged |
| Ra Capital Management, L.P. | 1,314,405 | $42.4M | 0.37% | −188,679−12.6% | Reduced |
| Jupiter Topco LLC | 1,314,267 | $42.4M | 0.02% | +1,314,267 | New |
| Baker Bros. Advisors LP | 996,351 | $32.1M | 0.16% | 00.0% | Unchanged |
| Octagon Capital Advisors LP | 960,847 | $31.0M | 2.84% | 00.0% | Unchanged |
| Merck & Co., Inc. | 952,844 | $30.7M | 5.83% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 817,075 | $26.3M | 0.00% | −16,838−2.0% | Reduced |
| Price T Rowe Associates Inc | 763,499 | $24.6M | 0.00% | −800,697−51.2% | Reduced |
| TCG Crossover Management, LLC | 696,560 | $22.5M | 0.54% | +696,560 | New |
| Geode Capital Management, LLC | 520,737 | $16.8M | 0.00% | +28,801+5.9% | Added |
| Eventide Asset Management, LLC | 507,000 | $16.3M | 0.22% | 00.0% | Unchanged |
| Avidity Partners Management LP | 484,200 | $15.6M | 2.50% | −452,932−48.3% | Reduced |
| State Street Corp | 484,010 | $15.6M | 0.00% | +55,757+13.0% | Added |
| AH Capital Management, L.L.C. | 415,000 | $13.4M | 0.09% | 00.0% | Unchanged |
| Alyeska Investment Group, L.P. | 290,000 | $9.35M | 0.02% | 00.0% | Unchanged |
| FMR LLC | 285,631 | $9.21M | 0.00% | −100,748−26.1% | Reduced |
| ArrowMark Colorado Holdings LLC | 245,872 | $7.92M | 0.33% | −83,599−25.4% | Reduced |
| Northern Trust Corp | 180,575 | $5.82M | 0.00% | +31,099+20.8% | Added |
| Charles Schwab Investment Management Inc | 166,842 | $5.38M | 0.00% | +4,825+3.0% | Added |
| Barclays PLC | 151,696 | $4.89M | 0.00% | +141,972+1,460.0% | Added |
| Vanguard Portfolio Management LLC | 145,220 | $4.68M | 0.00% | +24,898+20.7% | Added |
| Vanguard Fiduciary Trust Co | 133,834 | $4.31M | 0.00% | +6,439+5.1% | Added |
| TD Asset Management Inc | 105,902 | $3.41M | 0.00% | +4,940+4.9% | Added |
| Soros Fund Management LLCSuperinvestorSoros Fund Management | 100,000 | $3.22M | 0.04% | 00.0% | Unchanged |
| Woodline Partners LP | 100,000 | $3.22M | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 99,960 | $3.22M | 0.00% | −253,303−71.7% | Reduced |
| Renaissance Technologies LLC | 95,400 | $3.07M | 0.00% | +95,400 | New |
| Bank of America Corp | 72,835 | $2.35M | 0.00% | +2,909+4.2% | Added |
| Polen Capital Management LLC | 63,514 | $2.05M | 0.02% | +63,514 | New |
| Morgan Stanley | 62,636 | $2.02M | 0.00% | +31,913+103.9% | Added |
| Toroso Investments, LLC | 57,059 | $1.84M | 0.00% | +57,059 | New |
| Raymond James Financial Inc | 50,464 | $1.63M | 0.00% | +50,464 | New |
| Nuveen, LLC | 49,816 | $1.61M | 0.00% | +25,348+103.6% | Added |
| Bank of New York Mellon Corp | 49,250 | $1.59M | 0.00% | +6,349+14.8% | Added |
| AQR Capital Management LLC | 48,123 | $1.55M | 0.00% | +48,123 | New |
| Manufacturers Life Insurance Company, The | 48,044 | $1.55M | 0.00% | +1,051+2.2% | Added |
| Quantinno Capital Management LP | 46,887 | $1.51M | 0.00% | +46,887 | New |
| Great Lakes Advisors, LLC | 43,612 | $1.41M | 0.01% | +43,612 | New |
| Mirador Capital Partners LP | 40,124 | $1.29M | 0.16% | +40,124 | New |
| Squarepoint Ops LLC | 38,381 | $1.24M | 0.00% | +38,381 | New |
| Jump Financial, LLC | 32,779 | $1.06M | 0.01% | +32,779 | New |
| Sofinnova Investments, Inc. | 32,436 | $1.05M | 0.06% | +32,436 | New |
| Two Sigma Investments, LP | 30,914 | $996.4K | 0.00% | +30,914 | New |
| Readystate Asset Management LP | 30,000 | $966.9K | 0.04% | 00.0% | Unchanged |
| Wells Fargo & Company | 27,659 | $891.5K | 0.00% | +20,048+263.4% | Added |
| Rhumbline Advisers | 26,945 | $868.4K | 0.00% | +5,912+28.1% | Added |
| Citadel Advisors LLC | 25,537 | $823.1K | 0.00% | −49,463−66.0% | Reduced |
| Ghisallo Capital Management LLC | 25,000 | $805.8K | 0.02% | 00.0% | Unchanged |
| Seven Grand Managers, LLC | 25,000 | $805.8K | 0.03% | 00.0% | Unchanged |
| Tudor Investment Corp Et Al | 21,402 | $689.8K | 0.00% | +21,402 | New |
| Goldman Sachs Group Inc | 21,278 | $685.8K | 0.00% | −8,885−29.5% | Reduced |
| Deutsche Bank AG | 21,022 | $677.5K | 0.00% | +6,942+49.3% | Added |
| Ameriprise Financial Inc | 20,000 | $644.6K | 0.00% | −82,925−80.6% | Reduced |
| Mariner, LLC | 17,770 | $572.7K | 0.00% | +17,770 | New |
| SEI Investments Co | 16,402 | $528.5K | 0.00% | +16,402 | New |
| Virtus Investment Advisers, Inc. | 14,920 | $480.9K | 0.11% | +14,920 | New |
| Invesco Ltd. | 14,908 | $480.5K | 0.00% | +2,795+23.1% | Added |
| Los Angeles Capital Management LLC | 14,379 | $463.4K | 0.00% | +14,379 | New |
| Citigroup Inc | 13,177 | $424.7K | 0.00% | +12,158+1,193.1% | Added |
| MetLife Investment Management | 12,994 | $418.8K | 0.00% | +1,357+11.7% | Added |
| CAPROCK Group, Inc. | 9,908 | $319.3K | 0.01% | +9,908 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 9,769 | $314.9K | 0.00% | +118+1.2% | Added |
| Susquehanna International Group, LLP | 8,623 | $277.9K | 0.00% | +8,623 | New |
| JPMorgan Chase & Co | 8,835 | $266.0K | 0.00% | +480+5.7% | Added |
| Russell Investments Group, Ltd. | 7,754 | $249.9K | 0.00% | +6,203+399.9% | Added |
| New York State Common Retirement Fund | 7,500 | $241.7K | 0.00% | +4,300+134.4% | Added |
| Axq Capital, LP | 7,020 | $226.3K | 0.02% | +7,020 | New |
| Vanguard Global Advisers, LLC | 6,886 | $221.9K | 0.00% | −2,803−28.9% | Reduced |
| The PNC Financial Services Group, Inc. | 6,140 | $197.9K | 0.00% | −808−11.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 5,530 | $178.2K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 5,358 | $172.7K | 0.01% | +5,358 | New |
| SG Americas Securities, LLC | 3,368 | $109.0K | 0.00% | +3,368 | New |
| BNP Paribas Arbitrage, SA | 3,280 | $105.7K | 0.00% | −1,200−26.8% | Reduced |
| STRS Ohio | 3,100 | $99.9K | 0.00% | −500−13.9% | Reduced |
| Tower Research Capital LLC (TRC) | 2,268 | $73.1K | 0.00% | +1,259+124.8% | Added |
| Pinnacle Wealth Planning Services, Inc. | 2,267 | $73.1K | 0.01% | +2,267 | New |
| Legal & General Group Plc | 2,062 | $66.6K | 0.00% | +236+12.9% | Added |
| Ameritas Investment Partners, Inc. | 1,925 | $62.0K | 0.00% | +242+14.4% | Added |
| Salem Investment Counselors Inc | 1,000 | $32.2K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 985 | $31.7K | 0.00% | +985 | New |
| Royal Bank of Canada | 797 | $25.0K | 0.00% | +797 | New |
| National Bank of Canada | 700 | $22.6K | 0.00% | +700 | New |
| Fifth Third Bancorp | 576 | $18.6K | 0.00% | +576 | New |
| Rockefeller Capital Management L.P. | 397 | $12.8K | 0.00% | +397 | New |
| Global Retirement Partners, LLC | 395 | $12.7K | 0.00% | +395 | New |
| SRS Capital Advisors, Inc. | 385 | $12.4K | 0.00% | +385 | New |
| California State Teachers Retirement System | 288 | $9.28K | 0.00% | +288 | New |
| Federation des caisses Desjardins du Quebec | 250 | $8.06K | 0.00% | +250 | New |
| Sterling Capital Management LLC | 184 | $5.93K | 0.00% | −209−53.2% | Reduced |
| Allworth Financial LP | 124 | $4.00K | 0.00% | +124 | New |
| IFP Advisors, Inc | 101 | $3.25K | 0.00% | +101 | New |
| EverSource Wealth Advisors, LLC | 80 | $2.58K | 0.00% | +80 | New |
| Farther Finance Advisors, LLC | 77 | $2.41K | 0.00% | +77 | New |
| HM Payson & Co | 74 | $2.39K | 0.00% | +74 | New |