iBio, Inc. - IBIO
Detailed investor-level table based on 13F positions.
Early Q1 2026 data: only 2 institutional holders reported so far. The full shareholder list will grow as more funds file with the SEC.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EcoR1 Capital, LLC | History | New | 2,228,000 | 4,300 | 0.2% | — | 1 | +2,228,000 | New | Q4 2025 | Feb 17, 2026 |
| Affinity Asset Advisors, LLC | History | New | 2,057,200 | 3,970 | 0.23% | — | 2 | +2,057,200 | New | Q4 2025 | Feb 13, 2026 |
| Logos Global Management LP | History | New | 2,000,000 | 3,860 | 0.23% | — | 3 | +2,000,000 | New | Q4 2025 | Feb 17, 2026 |
| Frazier Life Sciences Management, L.P. | History | New | 1,953,467 | 3,770 | 0.1% | — | 4 | +1,953,467 | New | Q4 2025 | Feb 13, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Added to | 1,096,179 | 2,115 | 0.0% | 0.0% | 5 | +1,085,779 | 10440.18% | Q4 2025 | Feb 17, 2026 |
| Ikarian Capital, LLC | History | Added to | 957,062 | 1,847 | 0.14% | 0.05% | 6 | +339,735 | 55.03% | Q4 2025 | Feb 18, 2026 |
| VANGUARD GROUP INC | History | Added to | 883,149 | 1,704 | 0.0% | 0.0% | 7 | +609,079 | 222.23% | Q4 2025 | Jan 29, 2026 |
| Sio Capital Management, LLC | History | New | 740,000 | 1,428 | 0.22% | — | 8 | +740,000 | New | Q4 2025 | Feb 17, 2026 |
| AMERIPRISE FINANCIAL INC | History | Added to | 584,368 | 1,127 | 0.0% | 0.0% | 9 | +102,068 | 21.16% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | New | 456,333 | 880 | 0.0% | — | 10 | +456,333 | New | Q4 2025 | Feb 17, 2026 |
| ADAR1 Capital Management, LLC | History | Added to | 405,531 | 782 | 0.06% | 0.0% | 11 | +378,531 | 1401.97% | Q4 2025 | Feb 18, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | New | 353,339 | 681 | 0.0% | — | 12 | +353,339 | New | Q4 2025 | Feb 12, 2026 |
| Monashee Investment Management LLC | History | New | 274,862 | 530 | 0.3% | — | 13 | +274,862 | New | Q4 2025 | Feb 12, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | Added to | 254,412 | 491 | 0.01% | 0.0% | 14 | +77,550 | 43.85% | Q4 2025 | Feb 17, 2026 |
| Hudson Bay Capital Management LP | History | New | 242,076 | 467 | 0.0% | — | 15 | +242,076 | New | Q4 2025 | Feb 13, 2026 |
| NOESIS CAPITAL MANGEMENT CORP | History | New | 224,200 | 432 | 0.06% | — | 16 | +224,200 | New | Q4 2025 | Feb 05, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 222,610 | 429 | 0.0% | 0.0% | 17 | +71,301 | 47.12% | Q4 2025 | Feb 09, 2026 |
| Walleye Capital LLC | History | New | 198,375 | 382 | 0.0% | — | 18 | +198,375 | New | Q4 2025 | Feb 13, 2026 |
| Jefferies Financial Group Inc. | History | New | 160,000 | 308 | 0.0% | — | 19 | +160,000 | New | Q4 2025 | Feb 09, 2026 |
| UBS Group AG | History | Added to | 126,556 | 244 | 0.0% | — | 20 | +126,555 | 12655500.0% | Q4 2025 | Jan 29, 2026 |
| MARSHALL WACE, LLP | History | New | 121,286 | 234 | 0.0% | — | 21 | +121,286 | New | Q4 2025 | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 115,793 | 223 | 0.0% | — | 22 | +115,648 | 79757.24% | Q4 2025 | Feb 17, 2026 |
| TWO SIGMA ADVISERS, LP | History | New | 108,400 | 209 | 0.0% | — | 23 | +108,400 | New | Q4 2025 | Feb 17, 2026 |
| SILVERARC CAPITAL MANAGEMENT, LLC | History | New | 106,000 | 204 | 0.03% | — | 25 | +106,000 | New | Q4 2025 | Feb 12, 2026 |
| JANE STREET GROUP, LLC | History | New | 105,700 | 204 | 0.0% | — | 24 | +105,700 | New | Q4 2025 | Feb 12, 2026 |
| Mountain Capital Investment Advisors Inc. | History | New | 63,000 | 141 | 0.02% | — | 26 | +63,000 | New | Q4 2025 | Jan 28, 2026 |
| STATE STREET CORP | History | Added to | 72,899 | 140 | 0.0% | 0.0% | 27 | +39,200 | 116.32% | Q4 2025 | Feb 13, 2026 |
| BlackRock, Inc. | History | No change | 42,727 | 82 | 0.0% | 0.0% | 28 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| NORTHERN TRUST CORP | History | Added to | 40,314 | 77 | 0.0% | 0.0% | 29 | +17,270 | 74.94% | Q4 2025 | Feb 17, 2026 |
| Persistent Asset Partners Ltd | History | New | 39,585 | 76 | 0.03% | — | 30 | +39,585 | New | Q4 2025 | Feb 17, 2026 |
| XTX Topco Ltd | History | New | 37,014 | 71 | 0.0% | — | 31 | +37,014 | New | Q4 2025 | Feb 17, 2026 |
| MORGAN STANLEY | History | Added to | 27,595 | 53 | 0.0% | — | 32 | +27,538 | 48312.28% | Q4 2025 | Feb 13, 2026 |
| PFG Investments, LLC | History | New | 21,500 | 41 | 0.0% | — | 33 | +21,500 | New | Q4 2025 | Jan 26, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | New | 12,491 | 24 | 0.0% | — | 34 | +12,491 | New | Q4 2025 | Feb 13, 2026 |
| CITIGROUP INC | History | New | 5,046 | 9 | 0.0% | — | 35 | +5,046 | New | Q4 2025 | Feb 13, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 1,380 | 2 | 0.0% | 0.0% | 36 | -353 | -20.37% | Q4 2025 | Feb 17, 2026 |
| Lynx1 Capital Management LP | History | Closed out | 0 | 0 | — | 0.18% | — | -1,055,897 | -100.0% | Q3 2025 | Nov 13, 2025 |
| Opaleye Management Inc. | History | Closed out | 0 | 0 | — | 0.04% | — | -375,000 | -100.0% | Q3 2025 | Nov 14, 2025 |
| CITADEL ADVISORS LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -131,958 | -100.0% | Q3 2025 | Nov 14, 2025 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -45,079 | -100.0% | Q3 2025 | Nov 14, 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -44,471 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Virtu Financial LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -41,900 | -100.0% | Q3 2025 | Nov 14, 2025 |
| HRT FINANCIAL LP | History | Closed out | 0 | 0 | — | 0.0% | — | -34,157 | -100.0% | Q3 2025 | Nov 14, 2025 |
| Fortitude Family Office, LLC | History | New | 431 | 0 | — | — | — | +431 | New | Q4 2025 | Jan 15, 2026 |
| OSAIC HOLDINGS, INC. | History | Reduced | 384 | 0 | — | — | — | -320 | -45.45% | Q4 2025 | Feb 17, 2026 |
| SHP Wealth Management | History | New | 60 | 0 | — | — | — | +60 | New | Q4 2025 | Mar 04, 2026 |
| CITY HOLDING CO | History | Closed out | 0 | 0 | — | — | — | -4 | -100.0% | Q3 2025 | Oct 22, 2025 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 1 | 0 | — | — | — | -3 | -75.0% | Q4 2025 | Feb 13, 2026 |
| BARCLAYS PLC | History | New | 2 | 0 | — | — | — | +2 | New | Q4 2025 | Feb 13, 2026 |
| Motiv8 Investments LLC | History | New | 1 | 0 | — | — | — | +1 | New | Q4 2025 | Feb 13, 2026 |
| JPMORGAN CHASE & CO | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 11, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 5 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 10, 2026 |
| Arax Advisory Partners | History | No change | 91 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Steward Partners Investment Advisory, LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| Financial Gravity Asset Management, Inc. | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| SOA Wealth Advisors, LLC. | History | No change | 13 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 20, 2026 |
| SBI Securities Co., Ltd. | History | No change | 22 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |
| Activest Wealth Management | History | No change | 4 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Jan 30, 2026 |