Fund shareholders of IBIO INC
ISIN US4510337086 · United States · LEI 529900EW4RXUITGKUT34
- Fund shareholders
- 8
- Of which ETFs
- 0 8 other funds
- Value held
- 2.7M $
- Share of capital
- 2.6 % of 49.7M shares on May 12, 2026
| Fund | Shares | Value | Weight in fund | Share of capital | |
|---|---|---|---|---|---|
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 671,500 | 1.3M $ | 0.00 % | 1.35 % | as of Mar 31, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 396,138 | 752.7K $ | 0.00 % | 0.80 % | as of Mar 31, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 124,471 | 351K $ | 0.00 % | 0.25 % | as of Feb 28, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 45,011 | 126.9K $ | 0.00 % | 0.09 % | as of Feb 28, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 31,627 | 89.2K $ | 0.00 % | 0.06 % | as of Feb 28, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 20,661 | 39.3K $ | 0.00 % | 0.04 % | as of Mar 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 12,152 | 34.3K $ | 0.00 % | 0.02 % | as of Feb 28, 2026 ↗ |
| Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 1,100 | 2.1K $ | 0.00 % | 0.00 % | as of Mar 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table counts shares; this one measures what the company weighs inside each fund.
| Fund | Weight in fund | |
|---|---|---|
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 0.00 % | as of Mar 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| Blackstone Alternative Multi-Strategy Fund Blackstone Alternative Investment Funds | 0.00 % | as of Mar 31, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 0.00 % | as of Feb 28, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 0.00 % | as of Mar 31, 2026 ↗ |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 0.00 % | as of Mar 31, 2026 ↗ |
Quarter after quarter
Each SEC quarterly data set, newest first. The change is read against the quarter before it.
| Quarter | Shareholders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q2 | 8 | +1 | 1,302,660 | +51.5 % |
| 2026Q1 | 7 | +3 | 859,652 | +202.4 % |
| 2025Q4 | 4 | 0 | 284,230 | +27.9 % |
| 2025Q3 | 4 | -2 | 222,194 | -3.5 % |
| 2025Q2 | 6 | 0 | 230,345 | +38.3 % |
| 2025Q1 | 6 | 0 | 166,502 | +62.1 % |
| 2024Q4 | 6 | 0 | 102,713 | +92.8 % |
| 2024Q3 | 6 | +2 | 53,279 | +321.8 % |
| 2024Q2 | 4 | -1 | 12,631 | -0.0 % |
| 2024Q1 | 5 | 12,637 |
Institutional managers
49 managers declare this company to the SEC (Form 13F); the 25 largest follow.
| Manager | Shares | Value | |
|---|---|---|---|
| Affinity Asset Advisors, LLC | 3,107,200 | 5.9M $ | as of Mar 31, 2026 |
| Frazier Life Sciences Management, L.P. | 1,953,467 | 3.7M $ | as of Mar 31, 2026 |
| EcoR1 Capital, LLC | 1,583,000 | 3M $ | as of Mar 31, 2026 |
| MILLENNIUM MANAGEMENT LLC | 1,549,850 | 2.9M $ | as of Mar 31, 2026 |
| Logos Global Management LP | 1,300,000 | 2.5M $ | as of Mar 31, 2026 |
| Balyasny Asset Management L.P. | 1,010,955 | 1.9M $ | as of Mar 31, 2026 |
| Ikarian Capital, LLC | 957,062 | 1.8M $ | as of Mar 31, 2026 |
| CITADEL ADVISORS LLC | 956,429 | 1.8M $ | as of Mar 31, 2026 |
| Sio Capital Management, LLC | 904,268 | 1.7M $ | as of Mar 31, 2026 |
| MARSHALL WACE, LLP | 620,602 | 1.2M $ | as of Mar 31, 2026 |
| ADAR1 Capital Management, LLC | 469,878 | 892.8K $ | as of Mar 31, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 412,725 | 784.2K $ | as of Mar 31, 2026 |
| TWO SIGMA INVESTMENTS, LP | 408,858 | 776.8K $ | as of Mar 31, 2026 |
| Walleye Capital LLC | 388,554 | 738.3K $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 387,567 | 736.6K $ | as of Mar 31, 2026 |
| NOESIS CAPITAL MANGEMENT CORP | 311,500 | 591.9K $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 290,413 | 551.8K $ | as of Mar 31, 2026 |
| BOOTHBAY FUND MANAGEMENT, LLC | 254,412 | 483.4K $ | as of Mar 31, 2026 |
| SILVERARC CAPITAL MANAGEMENT, LLC | 226,000 | 429.4K $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 200,212 | 380.4K $ | as of Mar 31, 2026 |
| DAFNA Capital Management LLC | 193,638 | 367.9K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 141,199 | 268.3K $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 131,215 | 249.3K $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 77,324 | 146.9K $ | as of Mar 31, 2026 |
| Lynx1 Capital Management LP | 68,076 | 129.3K $ | as of Mar 31, 2026 |
Declared shareholders of IBIO INC
7 beneficial ownership filings. These stakes do not add up: an asset manager filing aggregates its own funds, already counted above.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| Affinity Asset Advisors, LLC and 1 other | 9.99 % | 3,489,048 | as of Mar 31, 2026 · SCHEDULE 13G |
| Cormorant Asset Management, LP and 1 other | 9.99 % | 3,834,335 | as of Mar 31, 2026 · SCHEDULE 13G |
| Sirenia Capital Management LP and 1 other | 9.90 % | 11,586,340 | as of Mar 31, 2026 · SCHEDULE 13G |
| Frazier Life Sciences Public Fund, L.P. and 8 others | 5.70 % | 1,953,467 | as of Mar 31, 2026 · SCHEDULE 13G |
| EcoR1 Capital, LLC and 2 others | 4.60 % | 1,583,000 | as of Mar 31, 2026 · SCHEDULE 13G |
| Logos Global Management LP and 4 others | 0.00 % | 0 | as of Mar 31, 2026 · SCHEDULE 13G |
| Point72 Asset Management, L.P. and 2 others | 0.00 % | 0 | as of Mar 31, 2026 · SCHEDULE 13G |
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