iBio, Inc.
IBIO- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001420720
No open-market purchases or sales by iBio, Inc. insiders were filed in the last 90 days; 55 institutions reported holding it in 13F filings for Q2 2026, worth $60.8M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in iBio, Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 52
- +4 vs. Q4 2025
- Shares held
- 19.4M
- +3.97M (+25.7%) vs. Q4 2025
- Total value
- $36.9M
- +$7.06M (+23.7%) vs. Q4 2025
- New holders
- 16
- 16 more added
- Sold out
- 12
- 8 more reduced
2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IBIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 55 | $60.8M |
| Q1 2026 | 52 | $36.9M |
| Q4 2025 | 50 | $31.6M |
| Q3 2025 | 32 | $2.96M |
| Q2 2025 | 30 | $2.44M |
| Q1 2025 | 34 | $10.4M |
| Q4 2024 | 30 | $6.40M |
| Q3 2024 | 32 | $5.79M |
| Q2 2024 | 28 | $5.68M |
| Q1 2024 | 28 | $11.5M |
| Q4 2023 | 21 | $344.6K |
| Q3 2023 | 29 | $269.9K |
| Q2 2023 | 29 | $695.7K |
| Q1 2023 | 30 | $3.45M |
| Q4 2022 | 38 | $1.02M |
| Q3 2022 | 46 | $4.97M |
| Q2 2022 | 57 | $7.63M |
| Q1 2022 | 77 | $17.5M |
| Q4 2021 | 83 | $25.0M |
| Q3 2021 | 90 | $47.6M |
| Q2 2021 | 87 | $65.5M |
| Q1 2021 | 94 | $68.5M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding iBio, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Affinity Asset Advisors, LLC | 3,107,200 | $5.90M | 0.35% | +1,050,000+51.0% | Added |
| Frazier Life Sciences Management, L.P. | 1,953,467 | $3.71M | 0.10% | 00.0% | Unchanged |
| EcoR1 Capital, LLC | 1,583,000 | $3.01M | 0.13% | −645,000−28.9% | Reduced |
| Millennium Management LLC | 1,549,850 | $2.94M | 0.00% | +1,549,850 | New |
| Logos Global Management LP | 1,300,000 | $2.47M | 0.13% | −700,000−35.0% | Reduced |
| Vanguard Capital Management LLC | 1,088,299 | $2.07M | 0.00% | +1,088,299 | New |
| Balyasny Asset Management LLC | 1,010,955 | $1.92M | 0.00% | −85,224−7.8% | Reduced |
| Ikarian Capital, LLC | 957,062 | $1.82M | 0.26% | 00.0% | Unchanged |
| Citadel Advisors LLC | 956,429 | $1.82M | 0.00% | +956,429 | New |
| Sio Capital Management, LLC | 904,268 | $1.72M | 0.25% | +164,268+22.2% | Added |
| Marshall Wace, LLP | 620,602 | $1.18M | 0.00% | +499,316+411.7% | Added |
| ADAR1 Capital Management, LLC | 469,878 | $892.8K | 0.05% | +64,347+15.9% | Added |
| Susquehanna International Group, LLP | 412,725 | $784.2K | 0.00% | +412,725 | New |
| Two Sigma Investments, LP | 408,858 | $776.8K | 0.00% | −47,475−10.4% | Reduced |
| Walleye Capital LLC | 388,554 | $738.3K | 0.00% | +190,179+95.9% | Added |
| Geode Capital Management, LLC | 387,567 | $736.6K | 0.00% | +164,957+74.1% | Added |
| Noesis Capital Mangement Corp | 311,500 | $591.9K | 0.09% | +87,300+38.9% | Added |
| Bank of America Corp | 290,413 | $551.8K | 0.00% | +174,620+150.8% | Added |
| Boothbay Fund Management, LLC | 254,412 | $483.4K | 0.01% | 00.0% | Unchanged |
| Silverarc Capital Management, LLC | 226,000 | $429.4K | 0.05% | +120,000+113.2% | Added |
| Vanguard Fiduciary Trust Co | 205,015 | $389.5K | 0.00% | +205,015 | New |
| Goldman Sachs Group Inc | 200,212 | $380.4K | 0.00% | +200,212 | New |
| DAFNA Capital Management LLC | 193,638 | $367.9K | 0.08% | +193,638 | New |
| State Street Corp | 141,199 | $268.3K | 0.00% | +68,300+93.7% | Added |
| BlackRock, Inc. | 131,215 | $249.3K | 0.00% | +88,488+207.1% | Added |
| Northern Trust Corp | 77,324 | $146.9K | 0.00% | +37,010+91.8% | Added |
| Lynx1 Capital Management LP | 68,076 | $129.3K | 0.02% | +68,076 | New |
| XTX Topco Ltd | 62,451 | $118.7K | 0.00% | +25,437+68.7% | Added |
| Verdad Advisers, LP | 56,318 | $107.0K | 0.12% | +56,318 | New |
| Morgan Stanley | 30,937 | $58.8K | 0.00% | +3,342+12.1% | Added |
| PFG Investments, LLC | 20,000 | $38.0K | 0.00% | −1,500−7.0% | Reduced |
| JustInvest LLC | 12,180 | $23.1K | 0.00% | −311−2.5% | Reduced |
| Scientech Research LLC | 11,402 | $21.7K | 0.02% | +11,402 | New |
| Virtu Financial LLC | 10,822 | $21.0K | 0.00% | +10,822 | New |
| Headlands Technologies LLC | 10,950 | $20.8K | 0.00% | +10,950 | New |
| Vanguard Global Advisers, LLC | 5,460 | $10.4K | 0.00% | +5,460 | New |
| Royal Bank of Canada | 3,891 | $7.00K | 0.00% | +3,891 | New |
| UBS Group AG | 2,173 | $4.13K | 0.00% | −124,383−98.3% | Reduced |
| Citigroup Inc | 1,373 | $2.61K | 0.00% | −3,673−72.8% | Reduced |
| Fortitude Family Office, LLC | 638 | $1.21K | 0.00% | +207+48.0% | Added |
| Advisor Group Holdings, Inc. | 584 | $1.11K | 0.00% | +200+52.1% | Added |
| SHP Wealth Management | 60 | $114 | 0.00% | 00.0% | Unchanged |
| Hillsdale Investment Management Inc. | 32 | $61 | 0.00% | +32 | New |
| SBI Securities Co., Ltd. | 22 | $42 | 0.00% | 00.0% | Unchanged |
| SOA Wealth Advisors, LLC. | 13 | $25 | 0.00% | 00.0% | Unchanged |
| BNP Paribas Arbitrage, SA | 5 | $10 | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 4 | $8 | 0.00% | 00.0% | Unchanged |
| Sofos Investments, Inc. | 2 | $4 | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 2 | $4 | 0.00% | +2 | New |
| JPMorgan Chase & Co | 2 | $3 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 0 | $0 | 0.00% | −584,368−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −353,339−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −274,862−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −242,076−100.0% | Sold out |
| Jefferies Financial Group Inc. | 0 | $0 | 0.00% | −160,000−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −108,400−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −105,700−100.0% | Sold out |
| Mountain Capital Investment Advisors, Inc | 0 | $0 | 0.00% | −63,000−100.0% | Sold out |
| Persistent Asset Partners Ltd | 0 | $0 | 0.00% | −39,585−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,380−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −91−100.0% | Sold out |
| Barclays PLC | 0 | $0 | 0.00% | −2−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Motiv8 Investments LLC | – | – | – | – | Not filed |