iBio
IBIO • AMEX
iBio is a biotechnology company in the healthcare sector on AMEX, led by Robert Lutz, with a market cap of $43.6M. As of Q3 2025, 18% of shares are held by 32 institutional investors, with Lynx1 Capital Management LP as the largest holder at 5.37%.
Interim Chief Executive OfficerRobert Lutz
Market Cap$43.6M
Biotechnology
Healthcare
Employees23.0
Websiteibioinc.com
Country
United States of America
Overview
Overview of institutional ownership in IBIO as of Q3 2025 with a market cap of $16.3M
All Institutions
- Institutions
- 32
- Value Held
- $3.0M
- Shares Held
- 3.6M
- Avg Position
- $92.4K
- Median Position
- $13.8K
Hedge Funds
- Hedge Funds
- 6
- Value Held
- $1.8M
- Shares Held
- 2.2M
- Avg Position
- $306.0K
- Median Position
- $209.8K
Ownership Breakdown
Based on market cap of $16.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in IBIO as of Q3 2025
| Institution | Position Value |
|---|---|
L Lynx1 Capital Management LP Hedge Fund•Sector | $874.1K 0.18% of portfolio |
 Ikarian Capital, LLC Hedge Fund•Event Driven | $511.0K 0.10% of portfolio |
 AMERIPRISE FINANCIAL INC Institution | $399.2K 0.00% of portfolio |
O Opaleye Management Inc. Hedge Fund•Long/Short | $310.4K 0.04% of portfolio |
 VANGUARD GROUP INC Institution | $226.9K 0.00% of portfolio |
 BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds | $146.4K 0.00% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $125.3K 0.00% of portfolio |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $109.2K 0.00% of portfolio |
T TWO SIGMA SECURITIES, LLC Institution | $37.3K 0.01% of portfolio |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $36.8K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for IBIO in Q3 2025
- Traded
- +$327.9K
- Buyers
- 14
- Sellers
- 8
- Total Bought
- +$766.2K
- Total Sold
- −$438.3K
- Avg Position
- $84.4K
Biggest Buyers
| Institution | Net Bought |
|---|---|
AMERIPRISE FINANCIAL INC Institution | +$399.2K +482.3K shares |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$109.2K +132.0K shares |
VANGUARD GROUP INC Institution | +$107.8K +130.2K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$36.8K +44.5K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$32.3K +39.0K shares |
H HRT FINANCIAL LLC Institution | +$28.3K +34.2K shares |
Ikarian Capital, LLC Hedge Fund•Event Driven | +$14.4K +17.4K shares |
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds | +$14.4K +17.4K shares |
T TWO SIGMA SECURITIES, LLC Institution | +$13.7K +16.5K shares |
 BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | +$8.6K +10.4K shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
L Lynx1 Capital Management LP Hedge Fund•Sector | −$399.6K −482.7K shares |
A ADAR1 Capital Management, LLC Hedge Fund•Long/Short | −$23.0K −27.8K shares |
D Dauntless Investment Group, LLC Institution | −$15.2K −20.0K shares |
T Tower Research Capital LLC Institution | −$309.7 −374.0 shares |
S SBI Securities Co., Ltd. Institution | −$164.5 −201.0 shares |
 Union Bankshares Corp Institution | −$11.0 −14.0 shares |
 BANK OF AMERICA CORP /DE/ Institution | −$9.9 −12.0 shares |
 FMR LLC Institution | −$1.0 −1.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited IBIO in Q3 2025
- New Positions
- 2
- New Value
- $407.9K
- Exited Positions
- 3
- Exited Value
- $15.2K
New Positions
| Institution | Position Value |
|---|---|
AMERIPRISE FINANCIAL INC Institution | $399.2K 482.3K shares |
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy | $8.6K 10.4K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
D Dauntless Investment Group, LLC Institution | $15.2K 20.0K shares |
Union Bankshares Corp Institution | $11.0 14.0 shares |
FMR LLC Institution | $1.0 1.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in IBIO as of Q3 2025
- Call Positions
- 0
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
| No call positions found | |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with IBIO as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
L Lynx1 Capital Management LP Hedge Fund•Sector | 0.18% $874.1K |
Ikarian Capital, LLC Hedge Fund•Event Driven | 0.10% $511.0K |
O Opaleye Management Inc. Hedge Fund•Long/Short | 0.04% $310.4K |
T TWO SIGMA SECURITIES, LLC Institution | 0.01% $37.3K |
BOOTHBAY FUND MANAGEMENT, LLC Fund of Funds | 0.00% $146.4K |
A ADAR1 Capital Management, LLC Hedge Fund•Long/Short | 0.00% $22.4K |
V Virtu Financial LLC Institution | 0.00% $34.7K |
H HRT FINANCIAL LLC Institution | 0.00% $28.3K |
AMERIPRISE FINANCIAL INC Institution | 0.00% $399.2K |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | 0.00% $109.2K |
Hedge Fund Spotlight
Discover hedge funds investing in IBIO
BALYASNY ASSET MANAGEMENT LLC
Hedge Fund • Multi-Strategy
Portfolio ManagerDmitry Balyasny
- Portfolio Value
- $48.1B
- Positions
- 1,894
- Last Reported
- Q3 2025
Sector Allocation
Position in iBio
- Market Value
- $8.6K
- Shares Held
- 10.4K
- Portfolio Weight
- 0.00%
- Owned Since
- 2025-Q3
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
ETF ETF | $1.1B | 2.29% | |
Software - Infrastructure Technology | $1.1B | 2.23% | |
Semiconductors Technology | $905.7M | 1.88% |
