AKARI THERAPEUTICS PLC AKTX
SPONSORED ADR · ADR · CUSIP 00972G405
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersTampa, FL
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Implied quarter-end price ≈ $10.24. Options: 1 managers hold calls ($102.5k notional), 0 hold puts (—).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2026 | 6 |
| Q2 2026 | 9 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $0 | $0 | — |
| Q4 2025 | $0 | $0 | — |
| Q1 2026 | $0 | $0 | — |
| Q2 2026 | $102.5k | $0 | 0.00 |
Biggest buyers
| MMCAP International Inc. SPC | New | +100.0k |
| JANE STREET GROUP, LLC | New | +15.5k |
| HRT FINANCIAL LP | New | +13.7k |
| SBI Securities Co., Ltd. | Added | +9 |
| Caitong International Asset Management Co., Ltd | New | +8 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | New | +7 |
Biggest sellers
| ARMISTICE CAPITAL, LLC | Sold out | -38.9k |
| MORGAN STANLEY | Sold out | -1 |
Biggest calls
| CITADEL ADVISORS LLC | New | $102.5k10.0k shares |
Biggest puts
| None |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| MMCAP International Inc. SPC 13G · passive investor new · filed 2026-06-08 | 8.0% |
| BANK OF MONTREAL /CAN/ 13G · institution new · filed 2026-08-12 | 5.7% |
| White Lion Capital LLC 13G · passive investor new · filed 2026-08-07 | 5.0% |
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 1 | $37.1k | 0 | — | — |
| Q3 2025 | 1 | — | 0 | — | — |
| Q4 2025 | 0 | — | 0 | — | — |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| MMCAP International Inc. SPC 0.09% of their portfolio | 100.0k $1.0m | New |
| Cresset Asset Management, LLC 0.00% of their portfolio | 20.6k $210.6k | Unchanged |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 15.5k $158.4k | New |
| HRT FINANCIAL LP 0.00% of their portfolio | 13.7k $140.0k | New |
| IFP Advisors, Inc 0.00% of their portfolio | 181 $1.9k | Unchanged |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 14 $143 | Added +9 |
| Caitong International Asset Management Co., Ltd 0.00% of their portfolio | 8 $82 | New |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 7 $72 | New |
| Truvestments Capital LLC 0.00% of their portfolio | 1 $10 | Unchanged |