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AKTS · Aktis Oncology, Inc.

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$24.01 -0.80 (-3.22%) At close · Jul 23
Market Cap
$1.33B
Shares
55.28M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 76
Total Value: $620,410,825
Total Shares: 34,637,240

Institutional Ownership Trend

2 quarters

Superinvestors Holding AKTS

All superinvestors →
George Soros $1,789,000

Holder Concentration

Across 68 13F filers
Top Holder
14.0%
of institutional value
Top 5
49.9%
of institutional value
Top 10
73.7%
of institutional value
HHI
715
Broadly held
Showing 76 of 76
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mid MPM BIOIMPACT LLC $86,513,750 13.94% 4,835,872
Mid EcoR1 Capital, LLC $86,309,750 13.91% 4,824,469
Small Blue Owl Capital Holdings LP $56,556,515 9.12% 3,161,348
Mega WELLINGTON MANAGEMENT GROUP LLP $41,451,916 6.68% 2,317,044
Mega T. Rowe Price Investment Management, Inc. $37,994,996 6.12% 2,123,812
Mega BlackRock, Inc. $37,785,948 6.09% 2,112,127
Large RTW INVESTMENTS, LP $28,481,649 4.59% 1,592,043
Mega PRICE T ROWE ASSOCIATES INC /MD/ $27,983,466 4.51% 1,564,196
Mid RA CAPITAL MANAGEMENT, L.P. $26,890,172 4.33% 1,503,084
Mega JANUS HENDERSON GROUP PLC $26,016,836 4.19% 1,454,267
Large BAKER BROS. ADVISORS LP $17,824,719 2.87% 996,351
Small Octagon Capital Advisors LP $17,189,552 2.77% 960,847
Small Merck & Co., Inc. $17,046,379 2.75% 952,844
Mega VANGUARD CAPITAL MANAGEMENT LLC $14,918,703 2.40% 833,913
Mid EVENTIDE ASSET MANAGEMENT, LLC $9,070,230 1.46% 507,000
Mega GEODE CAPITAL MANAGEMENT, LLC $8,800,734 1.42% 491,936
Small Avidity Partners Management LP $8,382,645 1.35% 468,566
Mega STATE STREET CORP $7,661,446 1.23% 428,253
Mid a16z Capital Management, L.L.C. $7,424,350 1.20% 415,000
Mega FMR LLC $6,912,320 1.11% 386,379
Mega UBS Group AG $6,319,875 1.02% 353,263
Mid ArrowMark Colorado Holdings LLC $5,894,236 0.95% 329,471
Large Alyeska Investment Group, L.P. $5,188,100 0.84% 290,000
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $2,898,484 0.47% 162,017
Large Driehaus Capital Management LLC $2,683,500 0.43% 150,000
Mega NORTHERN TRUST CORP Bank $2,674,125 0.43% 149,476
Mega VANGUARD FIDUCIARY TRUST CO Bank $2,279,096 0.37% 127,395
Mega AMERIPRISE FINANCIAL INC $1,841,328 0.30% 102,925
Mega TD Asset Management Inc $1,806,210 0.29% 100,962
Large Woodline Partners LP $1,789,000 0.29% 100,000
Mid SOROS FUND MANAGEMENT LLC $1,789,000 0.29% 100,000
Mid Laurion Capital Management LP $1,789,000 0.29% 100,000
Mega CITADEL ADVISORS LLC $1,341,750 0.22% 75,000
Small Mirador Capital Partners LP $1,293,196 0.21% 40,124
Mega BANK OF AMERICA CORP /DE/ Bank $1,250,975 0.20% 69,926
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $840,704 0.14% 46,993
Mega Bank of New York Mellon Corp Bank $767,498 0.12% 42,901
Mega MORGAN STANLEY $549,632 0.09% 30,723
Mega GOLDMAN SACHS GROUP INC $539,616 0.09% 30,163
Mid READYSTATE ASSET MANAGEMENT LP $536,700 0.09% 30,000
Mid SEVEN GRAND MANAGERS, LLC $447,250 0.07% 25,000
Mid Ghisallo Capital Management LLC $447,250 0.07% 25,000
Mega Nuveen, LLC $437,732 0.07% 24,468
Mega RHUMBLINE ADVISERS $376,280 0.06% 21,033
Mega D. E. Shaw & Co., Inc. $305,239 0.05% 17,062
Mid Zimmer Partners, LP $268,350 0.04% 15,000
Large Universal- Beteiligungs- und Servicegesellschaft mbH $253,769 0.04% 14,185
Mega DEUTSCHE BANK AG\ Bank $251,890 0.04% 14,080
Mid XTX Topco Ltd $250,281 0.04% 13,990
Mega Invesco Ltd. $216,701 0.03% 12,113
Large MetLife Investment Management, LLC $208,185 0.03% 11,637
Large Police & Firemen's Retirement System of New Jersey Pension $178,231 0.03% 5,530
Mega BARCLAYS PLC $173,961 0.03% 9,724
Mega Vanguard Global Advisers, LLC $173,336 0.03% 9,689
Small NBC SECURITIES, INC. Broker-Dealer $172,688 0.03% 5,358
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $172,656 0.03% 9,651
Mega JPMORGAN CHASE & CO $149,470 0.02% 8,355
Mega WELLS FARGO & COMPANY/MN $136,160 0.02% 7,611
Mega PNC FINANCIAL SERVICES GROUP, INC. $124,298 0.02% 6,948
Mega BNP PARIBAS ARBITRAGE, SA $80,147 0.01% 4,480
Large STRS OHIO $64,404 0.01% 3,600
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $57,248 0.01% 3,200
Mega Legal & General Group Plc $32,667 0.01% 1,826
Mid SALEM INVESTMENT COUNSELORS INC $32,230 0.01% 1,000
Mid Ameritas Investment Partners, Inc. $30,108 0.00% 1,683
Large Russell Investments Group, Ltd. $27,747 0.00% 1,551
Mega CITIGROUP INC $18,229 0.00% 1,019
Mid Tower Research Capital LLC (TRC) $18,050 0.00% 1,009
Mid Sterling Capital Management LLC $7,030 0.00% 393
Mid IFP Advisors, Inc $3,255 0.00% 101
Mid Farther Finance Advisors, LLC $2,481 0.00% 77
Mid HM PAYSON & CO $2,385 0.00% 74
Small SJS Investment Consulting Inc. $1,063 0.00% 33
Mid CoreCap Advisors, LLC $934 0.00% 29
Mid GAMMA Investing LLC $644 0.00% 20
Large CWM, LLC $375 0.00% 21
Key facts CIK 2035832 CUSIP 01021M104 13F (30d) 11 filings 11 filers Visit website Investor relations

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