Who Owns iBio, Inc. (IBIO)?Hedge Fund & Institutional Holders
Institutional Holders
50
as of Q4 2025
Total Institutional Value
$4.3003970386037696e+85T
% of Float Held
1.4913838157694145e+208%
QoQ Change in Holders
+14 / -7
Price History
IBIO — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| EcoR1 Capital, LLC | New Position | +2.2M | +$4.3M |
| Affinity Asset Advisors, LLC | New Position | +2.1M | +$4.0M |
| Logos Global Management LP | New Position | +2.0M | +$3.9M |
| Frazier Life Sciences Management, L.P. | New Position | +2.0M | +$3.8M |
| Sio Capital Management, LLC | New Position | +740K | +$1.4M |
| Monashee Investment Management LLC | New Position | +275K | +$530K |
| NOESIS CAPITAL MANGEMENT CORP | New Position | +224K | +$432K |
| UBS Group AG | Increased | +127K | +$242K |
| SILVERARC CAPITAL MANAGEMENT, LLC | New Position | +106K | +$204K |
| Mountain Capital Investment Advisors Inc. | New Position | +63K | +$141K |
| Persistent Asset Partners Ltd | New Position | +40K | +$76K |
| PFG Investments, LLC | New Position | +22K | +$41K |
| RENAISSANCE TECHNOLOGIES LLC | New Position | +353K | +$0 |
| TWO SIGMA INVESTMENTS, LP | New Position | +456K | +$0 |
| MARSHALL WACE, LLP | New Position | +121K | +$0 |
IBIO — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| Lynx1 Capital Management LP | Closed Position | -1.1M | -$874.1M |
| Opaleye Management Inc. | Closed Position | -375K | -$310.4M |
| CITADEL ADVISORS LLC | Closed Position | -132K | -$109.2M |
| TWO SIGMA SECURITIES, LLC | Closed Position | -45K | -$37.3M |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Closed Position | -44K | -$36.8M |
| Tower Research Capital LLC (TRC) | Decreased | -353 | -$1.4M |
| OSAIC HOLDINGS, INC. | Decreased | -320 | -$575K |
| Virtu Financial LLC | Closed Position | -42K | -$35K |
| HRT FINANCIAL LP | Closed Position | -34K | -$28K |
| WELLS FARGO & COMPANY/MN | Decreased | -3 | -$3K |
Top Institutional Holders(Q4 2025)
IBIO Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 48 | $26.3M | +20 |
| Q3 2025 | 28 | $2.9B | +1 |
| Q2 2025 | 27 | $2.4B | -7 |
| Q1 2025 | 34 | $10.4B | +3 |
| Q4 2024 | 31 | $6.4B | +3 |
| Q3 2024 | 28 | $650.7B | +2 |
| Q2 2024 | 26 | $638.2B | +4 |
| Q1 2024 | 22 | $1.5T | — |
Similar Stocks by Institutional Ownership
As of Q4 2025, 50 institutional investors hold IBIO (iBio, Inc.). The largest holder is EcoR1 Capital, LLC with $4.3M in shares. This quarter, 14 institutions opened new positions and 7 closed their positions.
Frequently Asked Questions
How many hedge funds own IBIO?
As of Q4 2025, 50 institutional investors report holding IBIO (iBio, Inc.) in their 13F filings.
Who is the largest institutional holder of IBIO?
The largest institutional holder of IBIO is EcoR1 Capital, LLC with $4.3M in shares.
Is institutional ownership of IBIO increasing or decreasing?
This quarter, 14 institutions opened new positions in IBIO and 7 closed their positions.