INOVIO PHARMACEUTICALS INC INO
COM SHS · Common Stock · CUSIP 45773H409
American biotechnology company
- SectorHealth care
- IndustryPharmaceutical Preparations
- HeadquartersPlymouth Meeting, PA
- Founded1983
- Websiteinovio.com
- 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. Shares outstanding: 103.4m as of 2026-08-10, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.10. Options: 11 managers hold calls ($4.5m notional), 3 hold puts ($176.0k).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q4 2023 | 7 |
| Q1 2024 | 88 |
| Q2 2024 | 97 |
| Q3 2024 | 99 |
| Q4 2024 | 106 |
| Q1 2025 | 109 |
| Q2 2025 | 104 |
| Q3 2025 | 99 |
| Q4 2025 | 101 |
| Q1 2026 | 99 |
| Q2 2026 | 103 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 45 | 36 |
| Q4 2024 | 52 | 34 |
| Q1 2025 | 49 | 39 |
| Q2 2025 | 46 | 56 |
| Q3 2025 | 45 | 56 |
| Q4 2025 | 42 | 40 |
| Q1 2026 | 31 | 38 |
| Q2 2026 | 48 | 33 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $2.5m | $110.9k | 0.04 |
| Q4 2025 | $2.0m | $159.7k | 0.08 |
| Q1 2026 | $1.1m | $468.8k | 0.42 |
| Q2 2026 | $4.5m | $176.0k | 0.04 |
Biggest buyers
| TWO SIGMA INVESTMENTS, LP | Added | +849.4k |
| VANGUARD CAPITAL MANAGEMENT LLC | Added | +749.4k |
| ADAR1 Capital Management, LLC | Added | +673.8k |
| Caption Management, LLC | New | +478.9k |
| Boxer Capital Management, LLC | Added | +474.9k |
| Quadrature Capital Ltd | New | +258.9k |
| NOMURA HOLDINGS INC | New | +150.0k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | New | +133.6k |
| HRT FINANCIAL LP | Added | +127.5k |
| BlackRock, Inc. | Added | +116.9k |
Biggest sellers
| FMR LLC | Reduced | -884.8k |
| D. E. Shaw & Co., Inc. | Reduced | -861.2k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Sold out | -805.0k |
| MILLENNIUM MANAGEMENT LLC | Reduced | -614.7k |
| DIADEMA PARTNERS LP | Sold out | -562.7k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -282.4k |
| 683 Capital Management, LLC | Sold out | -248.8k |
| Persistent Asset Partners Ltd | Reduced | -142.2k |
| NORTHERN TRUST CORP | Reduced | -124.5k |
| XTX Topco Ltd | Reduced | -106.8k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.7m1.5m shares |
| SIMPLEX TRADING, LLC | Added | $518.5k471.4k shares |
| GROUP ONE TRADING LLC | Added | $509.5k463.2k shares |
| Caption Management, LLC | New | $440.0k400.0k shares |
| CITADEL ADVISORS LLC | Added | $351.4k319.5k shares |
| TUDOR INVESTMENT CORP ET AL | New | $330.0k300.0k shares |
| DIADEMA PARTNERS LP | Added | $302.7k275.2k shares |
| IMC-Chicago, LLC | New | $234.2k212.9k shares |
| HRT FINANCIAL LP | New | $82.0k75.0k shares |
| JANE STREET GROUP, LLC | Added | $71.9k65.4k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $92.6k84.2k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $63.7k57.9k shares |
| IMC-Chicago, LLC | Added | $19.7k17.9k shares |
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 |
|---|---|
| FMR LLC 13G · institution -3.2 pts · filed 2026-08-06 | 10.3% |
| JANUS HENDERSON GROUP PLC 13G · institution +3.8 pts · filed 2025-12-08 | 10.0% |
| RA CAPITAL MANAGEMENT, L.P. 13G · passive investor new · filed 2026-08-07 | 9.9% |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC 13G · institution -1.0 pts · filed 2026-05-15 | 8.2% |
| Alyeska Investment Group, L.P. 13G · institution -1.5 pts · filed 2026-02-17 | 6.0% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 5.0% |
Fell to 5% or below in the last year: Adage Capital Management, L.P. (4.0%, 2026-08-12), VANGUARD GROUP INC (5.0%, 2026-01-30; now reported by VANGUARD CAPITAL MANAGEMENT LLC), Deep Track Capital, LP (2.4%, 2025-11-14)
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.
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| FMR LLC 0.00% of their portfolio | 8.5m $9.3m | Reduced -884.8k |
| Jupiter Topco LLC 0.00% of their portfolio | 5.2m $5.7m | First filing |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 3.7m $4.0m | Added +749.4k |
| Boxer Capital Management, LLC 0.24% of their portfolio | 2.8m $3.1m | Added +474.9k |
| ADAR1 Capital Management, LLC 0.11% of their portfolio | 2.1m $2.4m | Added +673.8k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 1.4m $1.5m | Reduced -861.2k |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 1.2m $1.4m | Added +849.4k |
| Eversept Partners, LP 0.06% of their portfolio | 1.0m $1.1m | Unchanged |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 802.8k $883.7k | Added +1.2k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 796.1k $875.7k | Reduced -614.7k |
| BlackRock, Inc. 0.00% of their portfolio | 779.1k $857.0k | Added +116.9k |
| VANGUARD FIDUCIARY TRUST CO 0.00% of their portfolio | 480.8k $528.8k | Added +88.7k |
| Caption Management, LLC 0.02% of their portfolio | 478.9k $526.8k | New |
| RENAISSANCE TECHNOLOGIES LLC 0.00% of their portfolio | 361.3k $397.5k | Reduced -282.4k |
| STATE STREET CORP 0.00% of their portfolio | 336.6k $370.3k | Added +40.3k |
| GSA CAPITAL PARTNERS LLP 0.02% of their portfolio | 265.0k $292.0k | Reduced -64 |
| UBS Group AG 0.00% of their portfolio | 262.3k $288.6k | Added +12.7k |
| Quadrature Capital Ltd 0.00% of their portfolio | 258.9k $284.8k | New |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 241.8k $266.0k | Reduced -44.6k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 174.4k $191.8k | Reduced -124.5k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 173.0k $190.3k | Unchanged |
| NOMURA HOLDINGS INC 0.00% of their portfolio | 150.0k $165.0k | New |
| HRT FINANCIAL LP 0.00% of their portfolio | 140.4k $154.0k | Added +127.5k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.00% of their portfolio | 133.6k $147.0k | New |
| GMT Capital Corp 0.01% of their portfolio | 126.1k $138.7k | Unchanged |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 124.5k $137.0k | Added +93.8k |
| XTX Topco Ltd 0.00% of their portfolio | 105.8k $116.4k | Reduced -106.8k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 93.7k $103.1k | Added +49.0k |
| Invesco Ltd. 0.00% of their portfolio | 80.3k $88.4k | New |
| Green Alpha Advisors, LLC 0.05% of their portfolio | 68.1k $74.9k | Added +2.5k |
| MORGAN STANLEY 0.00% of their portfolio | 50.3k $55.3k | Reduced -13.6k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 42.3k $46.5k | Added +25.7k |
| Squarepoint Ops LLC 0.00% of their portfolio | 36.4k $40.0k | Added +11.6k |
| Engineers Gate Manager LP 0.00% of their portfolio | 33.7k $37.1k | New |
| Greenwich Wealth Management LLC 0.00% of their portfolio | 32.0k $35.0k | Added +7.1k |
| Vanguard Global Advisers, LLC 0.00% of their portfolio | 30.2k $33.3k | Unchanged |
| Headlands Technologies LLC 0.00% of their portfolio | 29.9k $32.9k | New |
| ZACKS INVESTMENT MANAGEMENT 0.00% of their portfolio | 26.4k $29.1k | New |
| Prime Capital Investment Advisors, LLC 0.00% of their portfolio | 17.1k $18.8k | Unchanged |
| LPL Financial LLC 0.00% of their portfolio | 17.1k $18.8k | Reduced -1.5k |
| TWO SIGMA SECURITIES, LLC 0.00% of their portfolio | 16.0k $17.6k | New |
| STEPHENS INC /AR/ 0.00% of their portfolio | 15.5k $17.1k | Unchanged |
| StoneX Group Inc. 0.00% of their portfolio | 14.3k $18.1k | New |
| AXQ CAPITAL, LP 0.00% of their portfolio | 13.9k $15.2k | New |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 13.3k $14.6k | Reduced -42.2k |
| HighTower Advisors, LLC 0.00% of their portfolio | 12.7k $14.0k | Added +831 |
| Mayflower Financial Advisors, LLC 0.00% of their portfolio | 12.6k $13.8k | Unchanged |
| MCF Advisors LLC 0.00% of their portfolio | 11.3k $12.4k | Unchanged |
| SIGNATURE ESTATE & INVESTMENT ADVISORS LLC 0.00% of their portfolio | 11.0k $12.1k | Unchanged |
| Caitong International Asset Management Co., Ltd 0.00% of their portfolio | 10.0k $11.0k | Added +10.0k |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 6.8k $7.5k | Added +1.4k |
| Covestor Ltd 0.00% of their portfolio | 5.1k $6.0k | Unchanged |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 4.3k $4.0k | Added +470 |
| BARCLAYS PLC 0.00% of their portfolio | 3.5k $3.8k | Added +3.0k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 3.3k $3.6k | Added +391 |
| TD Waterhouse Canada Inc. 0.00% of their portfolio | 2.4k $2.8k | Added +2.3k |
| Rockefeller Capital Management L.P. 0.00% of their portfolio | 2.1k $2.3k | Added +66 |
| Activest Wealth Management 0.00% of their portfolio | 1.5k $1.6k | Unchanged |
| Steward Partners Investment Advisory, LLC 0.00% of their portfolio | 1.4k $1.5k | Reduced -186 |
| Optiver Holding B.V. 0.00% of their portfolio | 1.3k $1.5k | New |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 933 $1.0k | Reduced -105 |
| IFG Advisory, LLC 0.00% of their portfolio | 833 $917 | New |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 641 $705 | Added +500 |
| Integrated Wealth Concepts LLC 0.00% of their portfolio | 529 $584 | New |
| NFSG Corp 0.00% of their portfolio | 359 $394 | Unchanged |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 352 $387 | Unchanged |
| MJT & Associates Financial Advisory Group, Inc. 0.00% of their portfolio | 325 $358 | Unchanged |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 300 $330 | Unchanged |
| Pioneer Family Office, LLC 0.00% of their portfolio | 291 $320 | Unchanged |
| VSM Wealth Advisory, LLC 0.00% of their portfolio | 250 $275 | Unchanged |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 240 $264 | Unchanged |
| HARBOUR INVESTMENTS, INC. 0.00% of their portfolio | 237 $261 | Added +98 |
| Aberdeen Wealth Management LLC 0.00% of their portfolio | 200 $220 | New |
| Decker Retirement Planning Inc. 0.00% of their portfolio | 168 $185 | New |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 111 $122 | Added +75 |
| Arax Advisory Partners 0.00% of their portfolio | 103 $113 | New |
| Blume Capital Management, Inc. 0.00% of their portfolio | 83 $92 | Unchanged |
| Smartleaf Asset Management LLC 0.00% of their portfolio | 83 $93 | Unchanged |
| PITTENGER & ANDERSON INC 0.00% of their portfolio | 77 $85 | Unchanged |
| Ameritas Investment Partners, Inc. 0.00% of their portfolio | 64 $70 | Unchanged |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 58 $64 | Reduced -41 |
| MCDONALD PARTNERS LLC 0.00% of their portfolio | 58 $64 | New |
| Allworth Financial LP 0.00% of their portfolio | 47 $52 | Unchanged |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 46 $52 | Reduced -5.4k |
| 1 NORTH WEALTH SERVICES LLC 0.00% of their portfolio | 41 $45 | Unchanged |
| Pinnacle Wealth Planning Services, Inc. 0.00% of their portfolio | 41 $45 | Unchanged |
| INTERNATIONAL ASSETS INVESTMENT MANAGEMENT, LLC 0.00% of their portfolio | 36 $43 | Unchanged |
| Allied Private Wealth LLC 0.00% of their portfolio | 33 $39 | First filing |
| VALLEY NATIONAL ADVISERS INC 0.00% of their portfolio | 24 $27 | New |
| ATWOOD & PALMER INC 0.00% of their portfolio | 18 $20 | Unchanged |
| CoreCap Advisors, LLC 0.00% of their portfolio | 16 $18 | Unchanged |
| Strategic Wealth Partners, Ltd. 0.00% of their portfolio | 14 $15 | Unchanged |
| Key Financial Inc 0.00% of their portfolio | 14 $15 | Unchanged |
| THOMPSON INVESTMENT MANAGEMENT, INC. 0.00% of their portfolio | 13 $14 | Unchanged |
| Golden State Wealth Management, LLC 0.00% of their portfolio | 10 $11 | Unchanged |
| HANTZ FINANCIAL SERVICES, INC. 0.00% of their portfolio | 8 $0 | Unchanged |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 8 $9 | New |
| North Star Investment Management Corp. 0.00% of their portfolio | 7 $8 | Unchanged |
| ALBION FINANCIAL GROUP /UT 0.00% of their portfolio | 5 $6 | Unchanged |
| Silver Grove Financial Group, Inc. 0.00% of their portfolio | 5 $6 | Unchanged |