AKTS Institutional Ownership
Who owns Aktis Oncology, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 114 funds reported holding AKTS at Jun 30, 2026.
- ▲78 buying vs 24 selling
- ▼Shares held by funds -2.9%
- ▲Funds holding +45
- ●Superinvestors: 1 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
2 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 114 | 69 | +65.2% |
| In funds' top 10 | 5 | 4 | +25.0% |
| 13F shares | 34.2M | 35.2M | −2.9% |
| Held by funds | – | – | – |
| New positions | 51 | 65 | −21.5% |
| Increased | 27 | 0 | – |
| Reduced | 18 | 0 | – |
| Sold out | 6 | 0 | – |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in AKTS
All superinvestors →
Who owns AKTS
share of fund held shares- Index and passive funds13.9%
- Active managers and hedge funds84.1%
- Banks and brokers1.8%
- Pensions, insurers and other0.2%
The top 10 holders own 70.9% of all AKTS shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
19 funds changed their position- Mirador Capital Partners LPAdded+93K sh
- NLB Skladi, upravljanje premozenja, d.o.o.New+15K sh
- Pinnacle Wealth Planning Services, Inc.Trimmed−2,229 sh
- Salem Investment Counselors IncSold out−1,000 sh
- GK Wealth Management LLCNew+1,350 sh
🔒 Free account: see all 19.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Mpm Bioimpact LLC | – | 4.8M | $156M | 0 |
| 2 | EcoR1 Capital, LLC | – | 4.8M | $155M | 0 |
| 3 | Blue Owl Capital Holdings LP | – | 3.1M | $99M | −91K |
| 4 | BlackRock, Inc. | – | 2.3M | $73.4M | +166K |
| 5 | T. Rowe Price Investment Management, Inc. | – | 2.1M | $66.1M | −72K |
| 6 | Wellington Management Group LLP | – | 2M | $63.4M | −351K |
| 7 | Rtw Investments, LP | – | 1.6M | $51.3M | 0 |
| 8 | RA Capital Management, L.P. | – | 1.3M | $42.4M | −189K |
| 9 | Jupiter Topco LLC | – | 1.3M | $42.4M | – |
| 10 | Baker Bros. Advisors LP | – | 996K | $32.1M | 0 |
- TCG Crossover Management, LLC+697K sh+$22.5M
- BlackRock, Inc.+166K sh+$5.4M
- Barclays PLC+142K sh+$4.6M
- Renaissance Technologies LLC+95K sh+$3.1M
- Polen Capital Management LLC+64K sh+$2M
- Tidal Investments LLC+57K sh+$1.8M
- State Street Corp+56K sh+$1.8M
- Raymond James Financial Inc+50K sh+$1.6M
- Price T Rowe Associates Inc /md/−801K sh−$25.8M
- Avidity Partners Management LP−453K sh−$14.6M
- Wellington Management Group LLP−351K sh−$11.3M
- UBS Group AG−253K sh−$8.2M
- RA Capital Management, L.P.−189K sh−$6.1M
- Fmr LLC−101K sh−$3.2M
- Blue Owl Capital Holdings LP−91K sh−$2.9M
- ArrowMark Colorado Holdings LLC−84K sh−$2.7M
AKTS institutional ownership FAQ
Who owns the most AKTS stock?
In Q2 2026 13F filings the largest holder of AKTS was Mpm Bioimpact LLC, followed by EcoR1 Capital, LLC and Blue Owl Capital Holdings LP. Index fund managers are usually the biggest holders of large companies.
What percentage of AKTS is owned by institutions?
114 funds reported holding 34.2M AKTS shares at Jun 30, 2026.
Are hedge funds buying AKTS?
In Q2 2026, 78 funds bought AKTS (51 of them new positions) and 24 sold (6 sold out completely). Among well known investors, 1 added and 1 cut. Our fund sentiment for AKTS is neutral.
What is AKTS's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this AKTS ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.