iBio, Inc. - IBIO
Detailed investor-level table based on 13F positions.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Affinity Asset Advisors, LLC | History | Added to | 3,107,200 | 5,903 | 0.3% | 0.23% | 1 | +1,050,000 | 51.04% | Q1 2026 | May 14, 2026 |
| Frazier Life Sciences Management, L.P. | History | No change | 1,953,467 | 3,711 | 0.1% | 0.1% | 2 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| EcoR1 Capital, LLC | History | Reduced | 1,583,000 | 3,007 | 0.13% | 0.2% | 3 | -645,000 | -28.95% | Q1 2026 | May 15, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | New | 1,549,850 | 2,944 | 0.0% | — | 4 | +1,549,850 | New | Q1 2026 | May 15, 2026 |
| Logos Global Management LP | History | Reduced | 1,300,000 | 2,470 | 0.12% | 0.23% | 5 | -700,000 | -35.0% | Q1 2026 | May 15, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | New | 1,088,299 | 2,067 | 0.0% | — | 6 | +1,088,299 | New | Q1 2026 | May 15, 2026 |
| BALYASNY ASSET MANAGEMENT L.P. | History | Reduced | 1,010,955 | 1,920 | 0.0% | 0.0% | 7 | -85,224 | -7.77% | Q1 2026 | May 15, 2026 |
| Ikarian Capital, LLC | History | No change | 957,062 | 1,818 | 0.15% | 0.14% | 8 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| CITADEL ADVISORS LLC | History | New | 956,429 | 1,817 | 0.0% | — | 9 | +956,429 | New | Q1 2026 | May 15, 2026 |
| Sio Capital Management, LLC | History | Added to | 904,268 | 1,718 | 0.25% | 0.22% | 10 | +164,268 | 22.2% | Q1 2026 | May 14, 2026 |
| VANGUARD GROUP INC | History | No change | 883,149 | 1,704 | 0.0% | 0.0% | 11 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| MARSHALL WACE, LLP | History | Added to | 620,602 | 1,179 | 0.0% | 0.0% | 12 | +499,316 | 411.68% | Q1 2026 | May 14, 2026 |
| ADAR1 Capital Management, LLC | History | Added to | 469,878 | 892 | 0.05% | 0.06% | 13 | +64,347 | 15.87% | Q1 2026 | May 15, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | New | 412,725 | 784 | 0.0% | — | 14 | +412,725 | New | Q1 2026 | May 15, 2026 |
| TWO SIGMA INVESTMENTS, LP | History | Reduced | 408,858 | 776 | 0.0% | 0.0% | 15 | -47,475 | -10.4% | Q1 2026 | May 15, 2026 |
| Walleye Capital LLC | History | Added to | 388,554 | 738 | 0.0% | 0.0% | 16 | +190,179 | 95.87% | Q1 2026 | May 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 387,567 | 736 | 0.0% | 0.0% | 17 | +164,957 | 74.1% | Q1 2026 | May 15, 2026 |
| NOESIS CAPITAL MANGEMENT CORP | History | Added to | 311,500 | 591 | 0.09% | 0.06% | 18 | +87,300 | 38.94% | Q1 2026 | May 05, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 290,413 | 551 | 0.0% | 0.0% | 19 | +174,620 | 150.8% | Q1 2026 | May 15, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | History | No change | 254,412 | 483 | 0.01% | 0.01% | 20 | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| SILVERARC CAPITAL MANAGEMENT, LLC | History | Added to | 226,000 | 429 | 0.04% | 0.03% | 21 | +120,000 | 113.21% | Q1 2026 | May 14, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | New | 205,015 | 389 | 0.0% | — | 22 | +205,015 | New | Q1 2026 | May 08, 2026 |
| GOLDMAN SACHS GROUP INC | History | New | 200,212 | 380 | 0.0% | — | 23 | +200,212 | New | Q1 2026 | May 15, 2026 |
| DAFNA Capital Management LLC | History | New | 193,638 | 367 | 0.08% | — | 24 | +193,638 | New | Q1 2026 | May 15, 2026 |
| STATE STREET CORP | History | Added to | 141,199 | 268 | 0.0% | 0.0% | 25 | +68,300 | 93.69% | Q1 2026 | May 15, 2026 |
| BlackRock, Inc. | History | Added to | 131,215 | 249 | 0.0% | 0.0% | 26 | +88,488 | 207.1% | Q1 2026 | May 13, 2026 |
| TWO SIGMA ADVISERS, LP | History | No change | 108,400 | 209 | 0.0% | 0.0% | 27 | 0 | 0.0% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Added to | 77,324 | 146 | 0.0% | 0.0% | 28 | +37,010 | 91.8% | Q1 2026 | May 14, 2026 |
| Lynx1 Capital Management LP | History | New | 68,076 | 129 | 0.02% | — | 29 | +68,076 | New | Q1 2026 | May 01, 2026 |
| XTX Topco Ltd | History | Added to | 62,451 | 118 | 0.0% | 0.0% | 30 | +25,437 | 68.72% | Q1 2026 | May 15, 2026 |
| Verdad Advisers, LP | History | New | 56,318 | 107 | 0.12% | — | 31 | +56,318 | New | Q1 2026 | May 15, 2026 |
| MORGAN STANLEY | History | Added to | 30,937 | 58 | 0.0% | 0.0% | 32 | +3,342 | 12.11% | Q1 2026 | May 15, 2026 |
| PFG Investments, LLC | History | Reduced | 20,000 | 38 | 0.0% | 0.0% | 33 | -1,500 | -6.98% | Q1 2026 | Apr 27, 2026 |
| Vanguard Personalized Indexing Management, LLC | History | Reduced | 12,180 | 23 | 0.0% | 0.0% | 34 | -311 | -2.49% | Q1 2026 | May 14, 2026 |
| Scientech Research LLC | History | New | 11,402 | 21 | 0.02% | — | 36 | +11,402 | New | Q1 2026 | May 15, 2026 |
| Virtu Financial LLC | History | New | 10,822 | 21 | 0.0% | — | 35 | +10,822 | New | Q1 2026 | May 14, 2026 |
| Headlands Technologies LLC | History | New | 10,950 | 20 | 0.0% | — | 37 | +10,950 | New | Q1 2026 | May 13, 2026 |
| Vanguard Global Advisers, LLC | History | New | 5,460 | 10 | 0.0% | — | 38 | +5,460 | New | Q1 2026 | May 08, 2026 |
| ROYAL BANK OF CANADA | History | New | 3,891 | 7 | 0.0% | — | 39 | +3,891 | New | Q1 2026 | May 15, 2026 |
| UBS Group AG | History | Reduced | 2,173 | 4 | 0.0% | 0.0% | 40 | -124,383 | -98.28% | Q1 2026 | May 05, 2026 |
| CITIGROUP INC | History | Reduced | 1,373 | 2 | 0.0% | 0.0% | 41 | -3,673 | -72.79% | Q1 2026 | May 11, 2026 |
| Fortitude Family Office, LLC | History | Added to | 638 | 1 | 0.0% | — | 43 | +207 | 48.03% | Q1 2026 | Apr 15, 2026 |
| OSAIC HOLDINGS, INC. | History | Added to | 584 | 1 | 0.0% | — | 42 | +200 | 52.08% | Q1 2026 | May 15, 2026 |
| AMERIPRISE FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -584,368 | -100.0% | Q1 2026 | May 15, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -353,339 | -100.0% | Q1 2026 | May 14, 2026 |
| Monashee Investment Management LLC | History | Closed out | 0 | 0 | — | 0.3% | — | -274,862 | -100.0% | Q1 2026 | May 13, 2026 |
| Hudson Bay Capital Management LP | History | Closed out | 0 | 0 | — | 0.0% | — | -242,076 | -100.0% | Q1 2026 | May 13, 2026 |
| Jefferies Financial Group Inc. | History | Closed out | 0 | 0 | — | 0.0% | — | -160,000 | -100.0% | Q1 2026 | May 07, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -105,700 | -100.0% | Q1 2026 | May 12, 2026 |
| Mountain Capital Investment Advisors Inc. | History | Closed out | 0 | 0 | — | 0.02% | — | -63,000 | -100.0% | Q1 2026 | May 11, 2026 |
| Persistent Asset Partners Ltd | History | Closed out | 0 | 0 | — | 0.03% | — | -39,585 | -100.0% | Q1 2026 | May 12, 2026 |
| Tower Research Capital LLC (TRC) | History | Closed out | 0 | 0 | — | 0.0% | — | -1,380 | -100.0% | Q1 2026 | May 15, 2026 |
| Arax Advisory Partners | History | Closed out | 0 | 0 | — | — | — | -91 | -100.0% | Q1 2026 | May 13, 2026 |
| Hillsdale Investment Management Inc. | History | New | 32 | 0 | — | — | — | +32 | New | Q1 2026 | May 04, 2026 |
| Caitong International Asset Management Co., Ltd | History | New | 2 | 0 | — | — | — | +2 | New | Q1 2026 | May 11, 2026 |
| BARCLAYS PLC | History | Closed out | 0 | 0 | — | — | — | -2 | -100.0% | Q1 2026 | May 14, 2026 |
| JPMORGAN CHASE & CO | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 13, 2026 |
| WELLS FARGO & COMPANY/MN | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 11, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | No change | 5 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 12, 2026 |
| Steward Partners Investment Advisory, LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| Financial Gravity Asset Management, Inc. | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| SHP Wealth Management | History | No change | 60 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 08, 2026 |
| SOA Wealth Advisors, LLC. | History | No change | 13 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 20, 2026 |
| SBI Securities Co., Ltd. | History | No change | 22 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 27, 2026 |
| Activest Wealth Management | History | No change | 4 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | Apr 15, 2026 |
| Motiv8 Investments LLC | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |