iBio Ownership | Who Owns iBio?
iBio Ownership Summary
iBio is owned by 13.73% institutional investors, 2.32% insiders, and 83.95% retail investors. Lynx1 capital management lp is the largest institutional shareholder, holding 10.06% of IBIO shares.
IBIO Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | iBio | 13.73% | 2.32% | 83.95% |
| Sector | Healthcare Stocks | 232.64% | 10.66% | -143.30% |
| Industry | Biotech Stocks | 382.13% | 10.41% | -292.54% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Lynx1 capital management lp | 1.06M | 10.06% | $874.07K |
| Ikarian capital | 617.33K | 5.88% | $511.02K |
| Ameriprise financial | 482.30K | 4.59% | $399.25M |
| Opaleye management | 375.00K | 3.57% | $310.43K |
| Boothbay fund management | 176.86K | 1.68% | $146.41K |
| Vanguard group | 883.15K | 1.67% | $1.70M |
| Two sigma securities | 45.08K | 0.43% | $37.32K |
| Noesis capital mangement | 224.20K | 0.42% | $432.71K |
| Virtu financial | 41.90K | 0.40% | $35.00K |
| Renaissance | 353.34K | 0.36% | $681.94K |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Monashee investment management | 274.86K | 0.30% | $530.48K |
| Lynx1 capital management lp | 1.06M | 0.18% | $874.07K |
| Noesis capital mangement | 224.20K | 0.06% | $432.71K |
| Ikarian capital | 617.33K | 0.05% | $511.02K |
| Opaleye management | 375.00K | 0.04% | $310.43K |
| Silverarc capital management | 106.00K | 0.03% | $204.58K |
| Mcia | 63.00K | 0.02% | $141.75K |
| Two sigma securities | 45.08K | 0.01% | $37.32K |
| Adar1 capital management | 27.00K | 0.00% | $22.35K |
| Boothbay fund management | 176.86K | 0.00% | $146.41K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Vanguard group | 883.15K | - | 609.08K |
| Ameriprise financial | 482.30K | 0.00% | 482.30K |
| Renaissance | 353.34K | 0.00% | 353.34K |
| Monashee investment management | 274.86K | 0.30% | 274.86K |
| Noesis capital mangement | 224.20K | 0.06% | 224.20K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Lynx1 capital management lp | 1.06M | 0.18% | -482.68K |
| Iridian asset management llc/ct | - | - | -58.20K |
| Cubist systematic strategies | - | - | -55.60K |
| Hrt financial lp | - | - | -34.16K |
| Quadrature capital | - | - | -28.85K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Ameriprise financial | 482.30K | 0.00% | 482.30K | $399.25M |
| Renaissance | 353.34K | 0.00% | 353.34K | $681.94K |
| Monashee investment management | 274.86K | 0.30% | 274.86K | $530.48K |
| Noesis capital mangement | 224.20K | 0.06% | 224.20K | $432.71K |
| Jefferies financial group | 160.00K | 0.00% | 160.00K | $308.80K |
Sold Out
| Holder | Change |
|---|---|
| Fmr | -1.00 |
| City | -4.00 |
| Atlantic union bankshares | -14.00 |
| Harbour investments | -40.00 |
| Group one trading | -156.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Dec 31, 2025 | 32 | - | 7,274,652 | 103.77% | 13 | 1.19% | 22 | 57.14% | 1 | -83.33% |
| Sep 30, 2025 | 32 | 6.67% | 3,569,988 | 11.42% | 34 | 3.22% | 14 | - | 6 | 200.00% |
| Jun 30, 2025 | 30 | -9.09% | 3,203,758 | 23.84% | 32 | 4.72% | 13 | -23.53% | 2 | - |
| Mar 31, 2025 | 33 | 13.79% | 2,587,118 | -0.97% | 26 | 3.21% | 17 | 142.86% | 2 | -66.67% |
| Dec 31, 2024 | 29 | -6.45% | 2,612,402 | 0.19% | 28 | 3.14% | 7 | -12.50% | 6 | 20.00% |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 26, 2026 | Banjak Marc | Chief Legal Officer | Buy | $2.52K |
| Mar 26, 2026 | Banjak Marc | Chief Legal Officer | Buy | $20.53K |
| Mar 19, 2026 | Duran Felipe | Chief Financial Officer | Buy | $50.13K |
| Mar 19, 2026 | Brenner Martin | See Remarks | Buy | $24.92K |
| Jan 10, 2025 | Duran Felipe | Chief Financial Officer | Buy | $25.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | 4 | - |
| 2025 Q4 | - | - |
| 2025 Q1 | 7 | - |
| 2024 Q4 | - | - |
| 2024 Q3 | - | - |
IBIO Ownership FAQ
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