iBio, Inc. - IBIO

Detailed investor-level table based on 13F positions.

Shareholders (13F)

Quarter: Q1 2026 · Compare: Q4 2025
13D/13G major owners: Ownership tab.
Methodology: Market value and % of portfolio use SEC reported VALUE ($000). For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received. Details.
Rows: 0
Investor History Status Shares held Market value ($000) % of portfolio Previous % Rank Change in shares % change in shares Source Date reported
Affinity Asset Advisors, LLC History Added to 3,107,200 5,903 0.3% 0.23% 1 +1,050,000 51.04% Q1 2026 May 14, 2026
Frazier Life Sciences Management, L.P. History No change 1,953,467 3,711 0.1% 0.1% 2 0 0.0% Q1 2026 May 15, 2026
EcoR1 Capital, LLC History Reduced 1,583,000 3,007 0.13% 0.2% 3 -645,000 -28.95% Q1 2026 May 15, 2026
MILLENNIUM MANAGEMENT LLC History New 1,549,850 2,944 0.0% 4 +1,549,850 New Q1 2026 May 15, 2026
Logos Global Management LP History Reduced 1,300,000 2,470 0.12% 0.23% 5 -700,000 -35.0% Q1 2026 May 15, 2026
VANGUARD CAPITAL MANAGEMENT LLC History New 1,088,299 2,067 0.0% 6 +1,088,299 New Q1 2026 May 15, 2026
BALYASNY ASSET MANAGEMENT L.P. History Reduced 1,010,955 1,920 0.0% 0.0% 7 -85,224 -7.77% Q1 2026 May 15, 2026
Ikarian Capital, LLC History No change 957,062 1,818 0.15% 0.14% 8 0 0.0% Q1 2026 May 15, 2026
CITADEL ADVISORS LLC History New 956,429 1,817 0.0% 9 +956,429 New Q1 2026 May 15, 2026
Sio Capital Management, LLC History Added to 904,268 1,718 0.25% 0.22% 10 +164,268 22.2% Q1 2026 May 14, 2026
VANGUARD GROUP INC History No change 883,149 1,704 0.0% 0.0% 11 0 0.0% Q4 2025 Jan 29, 2026
MARSHALL WACE, LLP History Added to 620,602 1,179 0.0% 0.0% 12 +499,316 411.68% Q1 2026 May 14, 2026
ADAR1 Capital Management, LLC History Added to 469,878 892 0.05% 0.06% 13 +64,347 15.87% Q1 2026 May 15, 2026
SUSQUEHANNA INTERNATIONAL GROUP, LLP History New 412,725 784 0.0% 14 +412,725 New Q1 2026 May 15, 2026
TWO SIGMA INVESTMENTS, LP History Reduced 408,858 776 0.0% 0.0% 15 -47,475 -10.4% Q1 2026 May 15, 2026
Walleye Capital LLC History Added to 388,554 738 0.0% 0.0% 16 +190,179 95.87% Q1 2026 May 13, 2026
GEODE CAPITAL MANAGEMENT, LLC History Added to 387,567 736 0.0% 0.0% 17 +164,957 74.1% Q1 2026 May 15, 2026
NOESIS CAPITAL MANGEMENT CORP History Added to 311,500 591 0.09% 0.06% 18 +87,300 38.94% Q1 2026 May 05, 2026
BANK OF AMERICA CORP /DE/ History Added to 290,413 551 0.0% 0.0% 19 +174,620 150.8% Q1 2026 May 15, 2026
BOOTHBAY FUND MANAGEMENT, LLC History No change 254,412 483 0.01% 0.01% 20 0 0.0% Q1 2026 May 15, 2026
SILVERARC CAPITAL MANAGEMENT, LLC History Added to 226,000 429 0.04% 0.03% 21 +120,000 113.21% Q1 2026 May 14, 2026
VANGUARD FIDUCIARY TRUST CO History New 205,015 389 0.0% 22 +205,015 New Q1 2026 May 08, 2026
GOLDMAN SACHS GROUP INC History New 200,212 380 0.0% 23 +200,212 New Q1 2026 May 15, 2026
DAFNA Capital Management LLC History New 193,638 367 0.08% 24 +193,638 New Q1 2026 May 15, 2026
STATE STREET CORP History Added to 141,199 268 0.0% 0.0% 25 +68,300 93.69% Q1 2026 May 15, 2026
BlackRock, Inc. History Added to 131,215 249 0.0% 0.0% 26 +88,488 207.1% Q1 2026 May 13, 2026
TWO SIGMA ADVISERS, LP History No change 108,400 209 0.0% 0.0% 27 0 0.0% Q4 2025 Feb 17, 2026
NORTHERN TRUST CORP History Added to 77,324 146 0.0% 0.0% 28 +37,010 91.8% Q1 2026 May 14, 2026
Lynx1 Capital Management LP History New 68,076 129 0.02% 29 +68,076 New Q1 2026 May 01, 2026
XTX Topco Ltd History Added to 62,451 118 0.0% 0.0% 30 +25,437 68.72% Q1 2026 May 15, 2026
Verdad Advisers, LP History New 56,318 107 0.12% 31 +56,318 New Q1 2026 May 15, 2026
MORGAN STANLEY History Added to 30,937 58 0.0% 0.0% 32 +3,342 12.11% Q1 2026 May 15, 2026
PFG Investments, LLC History Reduced 20,000 38 0.0% 0.0% 33 -1,500 -6.98% Q1 2026 Apr 27, 2026
Vanguard Personalized Indexing Management, LLC History Reduced 12,180 23 0.0% 0.0% 34 -311 -2.49% Q1 2026 May 14, 2026
Scientech Research LLC History New 11,402 21 0.02% 36 +11,402 New Q1 2026 May 15, 2026
Virtu Financial LLC History New 10,822 21 0.0% 35 +10,822 New Q1 2026 May 14, 2026
Headlands Technologies LLC History New 10,950 20 0.0% 37 +10,950 New Q1 2026 May 13, 2026
Vanguard Global Advisers, LLC History New 5,460 10 0.0% 38 +5,460 New Q1 2026 May 08, 2026
ROYAL BANK OF CANADA History New 3,891 7 0.0% 39 +3,891 New Q1 2026 May 15, 2026
UBS Group AG History Reduced 2,173 4 0.0% 0.0% 40 -124,383 -98.28% Q1 2026 May 05, 2026
CITIGROUP INC History Reduced 1,373 2 0.0% 0.0% 41 -3,673 -72.79% Q1 2026 May 11, 2026
Fortitude Family Office, LLC History Added to 638 1 0.0% 43 +207 48.03% Q1 2026 Apr 15, 2026
OSAIC HOLDINGS, INC. History Added to 584 1 0.0% 42 +200 52.08% Q1 2026 May 15, 2026
AMERIPRISE FINANCIAL INC History Closed out 0 0 0.0% -584,368 -100.0% Q1 2026 May 15, 2026
RENAISSANCE TECHNOLOGIES LLC History Closed out 0 0 0.0% -353,339 -100.0% Q1 2026 May 14, 2026
Monashee Investment Management LLC History Closed out 0 0 0.3% -274,862 -100.0% Q1 2026 May 13, 2026
Hudson Bay Capital Management LP History Closed out 0 0 0.0% -242,076 -100.0% Q1 2026 May 13, 2026
Jefferies Financial Group Inc. History Closed out 0 0 0.0% -160,000 -100.0% Q1 2026 May 07, 2026
JANE STREET GROUP, LLC History Closed out 0 0 0.0% -105,700 -100.0% Q1 2026 May 12, 2026
Mountain Capital Investment Advisors Inc. History Closed out 0 0 0.02% -63,000 -100.0% Q1 2026 May 11, 2026
Persistent Asset Partners Ltd History Closed out 0 0 0.03% -39,585 -100.0% Q1 2026 May 12, 2026
Tower Research Capital LLC (TRC) History Closed out 0 0 0.0% -1,380 -100.0% Q1 2026 May 15, 2026
Arax Advisory Partners History Closed out 0 0 -91 -100.0% Q1 2026 May 13, 2026
Hillsdale Investment Management Inc. History New 32 0 +32 New Q1 2026 May 04, 2026
Caitong International Asset Management Co., Ltd History New 2 0 +2 New Q1 2026 May 11, 2026
BARCLAYS PLC History Closed out 0 0 -2 -100.0% Q1 2026 May 14, 2026
JPMORGAN CHASE & CO History No change 2 0 0 0.0% Q1 2026 May 13, 2026
WELLS FARGO & COMPANY/MN History No change 1 0 0 0.0% Q1 2026 May 11, 2026
BNP PARIBAS FINANCIAL MARKETS History No change 5 0 0 0.0% Q1 2026 May 12, 2026
Steward Partners Investment Advisory, LLC History No change 1 0 0 0.0% Q1 2026 May 08, 2026
Financial Gravity Asset Management, Inc. History No change 2 0 0 0.0% Q1 2026 May 08, 2026
SHP Wealth Management History No change 60 0 0 0.0% Q1 2026 May 08, 2026
SOA Wealth Advisors, LLC. History No change 13 0 0 0.0% Q1 2026 May 20, 2026
SBI Securities Co., Ltd. History No change 22 0 0 0.0% Q1 2026 Apr 27, 2026
Activest Wealth Management History No change 4 0 0 0.0% Q1 2026 Apr 15, 2026
Motiv8 Investments LLC History No change 1 0 0 0.0% Q4 2025 Feb 13, 2026