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, Q4 2025
Institutional positions in iBio, Inc. as of Dec 31, 2025. 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
- 50
- +18 vs. Q3 2025
- Shares held
- 16.3M
- +12.8M (+357.7%) vs. Q3 2025
- Total value
- $31.6M
- +$28.6M (+967.7%) vs. Q3 2025
- New holders
- 26
- 12 more added
- Sold out
- 8
- 3 more reduced
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding iBio, Inc.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| EcoR1 Capital, LLC | 2,228,000 | $4.30M | 0.20% | +2,228,000 | New |
| Affinity Asset Advisors, LLC | 2,057,200 | $3.97M | 0.29% | +2,057,200 | New |
| Logos Global Management LP | 2,000,000 | $3.86M | 0.26% | +2,000,000 | New |
| Frazier Life Sciences Management, L.P. | 1,953,467 | $3.77M | 0.10% | +1,953,467 | New |
| Balyasny Asset Management LLC | 1,096,179 | $2.12M | 0.00% | +1,085,779+10,440.2% | Added |
| Ikarian Capital, LLC | 957,062 | $1.85M | 0.24% | +339,735+55.0% | Added |
| Vanguard Group Inc | 883,149 | $1.70M | 0.00% | +609,079+222.2% | Added |
| Sio Capital Management, LLC | 740,000 | $1.43M | 0.24% | +740,000 | New |
| Ameriprise Financial Inc | 584,368 | $1.13M | 0.00% | +102,068+21.2% | Added |
| Two Sigma Investments, LP | 456,333 | $880.7K | 0.00% | +456,333 | New |
| ADAR1 Capital Management, LLC | 405,531 | $782.7K | 0.06% | +378,531+1,402.0% | Added |
| Renaissance Technologies LLC | 353,339 | $681.9K | 0.00% | +353,339 | New |
| Monashee Investment Management LLC | 274,862 | $530.5K | 0.30% | +274,862 | New |
| Boothbay Fund Management, LLC | 254,412 | $491.0K | 0.01% | +77,550+43.8% | Added |
| Hudson Bay Capital Management LP | 242,076 | $467.2K | 0.00% | +242,076 | New |
| Noesis Capital Mangement Corp | 224,200 | $432.7K | 0.06% | +224,200 | New |
| Geode Capital Management, LLC | 222,610 | $429.6K | 0.00% | +71,301+47.1% | Added |
| Walleye Capital LLC | 198,375 | $382.9K | 0.00% | +198,375 | New |
| Jefferies Financial Group Inc. | 160,000 | $308.8K | 0.00% | +160,000 | New |
| UBS Group AG | 126,556 | $244.3K | 0.00% | +126,555+12,655,500.0% | Added |
| Marshall Wace, LLP | 121,286 | $234.1K | 0.00% | +121,286 | New |
| Bank of America Corp | 115,793 | $223.5K | 0.00% | +115,648+79,757.2% | Added |
| Two Sigma Advisers, LP | 108,400 | $209.2K | 0.00% | +108,400 | New |
| Silverarc Capital Management, LLC | 106,000 | $204.6K | 0.03% | +106,000 | New |
| Jane Street Group, LLC | 105,700 | $204.0K | 0.00% | +105,700 | New |
| Mountain Capital Investment Advisors, Inc | 63,000 | $141.8K | 0.02% | +63,000 | New |
| State Street Corp | 72,899 | $140.7K | 0.00% | +39,200+116.3% | Added |
| BlackRock, Inc. | 42,727 | $82.5K | 0.00% | 00.0% | Unchanged |
| Northern Trust Corp | 40,314 | $77.8K | 0.00% | +17,270+74.9% | Added |
| Persistent Asset Partners Ltd | 39,585 | $76.4K | 0.04% | +39,585 | New |
| XTX Topco Ltd | 37,014 | $71.4K | 0.00% | +37,014 | New |
| Morgan Stanley | 27,595 | $53.3K | 0.00% | +27,538+48,312.3% | Added |
| PFG Investments, LLC | 21,500 | $41.5K | 0.00% | +21,500 | New |
| JustInvest LLC | 12,491 | $24.1K | 0.00% | +12,491 | New |
| Citigroup Inc | 5,046 | $9.74K | 0.00% | +5,046 | New |
| Tower Research Capital LLC (TRC) | 1,380 | $2.66K | 0.00% | −353−20.4% | Reduced |
| Fortitude Family Office, LLC | 431 | $832 | 0.00% | +431 | New |
| Advisor Group Holdings, Inc. | 384 | $741 | 0.00% | −320−45.5% | Reduced |
| SHP Wealth Management | 60 | $116 | 0.00% | +60 | New |
| SRS Capital Advisors, Inc. | 91 | $112 | 0.00% | 00.0% | Unchanged |
| 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 |
| JPMorgan Chase & Co | 2 | $4 | 0.00% | 00.0% | Unchanged |
| Sofos Investments, Inc. | 2 | $4 | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 2 | $4 | 0.00% | +2 | New |
| Wells Fargo & Company | 1 | $2 | 0.00% | −3−75.0% | Reduced |
| Steward Partners Investment Advisory, LLC | 1 | $2 | 0.00% | 00.0% | Unchanged |
| Motiv8 Investments LLC | 1 | $0 | 0.00% | +1 | New |
| Lynx1 Capital Management LP | 0 | $0 | 0.00% | −1,055,897−100.0% | Sold out |
| Opaleye Management Inc. | 0 | $0 | 0.00% | −375,000−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −131,958−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −45,079−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −44,471−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −41,900−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −34,157−100.0% | Sold out |
| City Holding Co | 0 | $0 | 0.00% | −4−100.0% | Sold out |