Companies / iBio, Inc.
iBio, Inc.
Nasdaq: IBIOCIK 1420720NEW YORK, NY
Financials · FY2025
Ownership
49.7M shares outstanding · as of May 12, 2026
Ownership
| Institutions | 38.25% | 19,002,941 |
| Public float | 61.75% | 30,675,620 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 3
View all →| Insider | % of shares | Shares |
|---|---|---|
Duran FelipeFormerChief Financial Officer | 0.07% | 35,974 |
Brenner MartinFormerSee Remarks · Director | 0.06% | 30,652 |
Banjak MarcFormerChief Legal Officer | 0.05% | 25,000 |
Institutional holders 53
View all →| Holder | Value | % of shares |
|---|---|---|
| $4.30M | 4.48% | |
| $3.97M | 4.14% | |
| $3.86M | 4.03% | |
| $3.77M | 3.93% | |
| $2.94M | 3.12% | |
| $1.92M | 2.03% | |
| $1.85M | 1.93% | |
| $1.70M | 1.78% | |
| $1.43M | 1.49% | |
| $1.18M | 1.25% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Mar 19, 2026 | Duran Felipe Executive | Buy | Common Stock | $50.1K | +25K +222.96% | 35,974 0.07% of shares | low |
| Mar 19, 2026 | Brenner Martin Executive | Buy | Common Stock | $24.9K | +12K +67.35% | 30,652 0.06% of shares | low |
| Mar 26, 2026 | Banjak Marc Executive | Buy | Common Stock | $20.5K | +13K +112.96% | 23,566 0.05% of shares | low |
| Mar 26, 2026 | Banjak Marc Executive | Buy | Common Stock | $2.5K | +1K +6.08% | 25,000 0.05% of shares | low |
| Jan 28, 2026 | Brenner Martin Executive | Grant | Stock Option (right to buy) | — | +479K | 479,000 0.96% of shares | low |
| Jan 28, 2026 | Banjak Marc Executive | Grant | Stock Option (right to buy) | — | +146K | 146,000 0.29% of shares | low |
| Jan 28, 2026 | Duran Felipe Executive | Grant | Stock Option (right to buy) | — | +179K | 179,000 0.36% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Integrated Core Strategies (US) LLC | Passive13G | — |
| Affinity Asset Advisors, LLC | Passive13G/A | — |
| Lynx1 Capital Management LP | Passive13G/A | — |
| Logos Global Management LP | Passive13G/A | — |
| ADAR1 Capital Management, LLC | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| IBIO | Common Stock | 451033708 |