13F

Stock

iBio, Inc.

IBIO · held by 50 managers

Reported value

$31.6M

Holders

50

+3 new · −0 exited

Holders’ est. mark

$223

Price effect on 2 books still in the name

Largest holder

$4.3M

EcoR1 Capital, LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
EcoR1 Capital, LLC2.23M$4.3M—Held
Affinity Asset Advisors, LLC2.06M$3.97M—Held
Logos Global Management LP2M$3.86M—Held
Frazier Life Sciences Management, L.P.1.95M$3.77M—Held
Balyasny Asset Management L.P.1.1M$2.12M—Held
Ikarian Capital, LLC957.1K$1.85M—Held
Vanguard883.1K$1.7M—Held
Sio Capital Management, LLC740K$1.43M—Held
AMERIPRISE FINANCIAL INC584.4K$1.13M—Held
TWO SIGMA INVESTMENTS, LP456.3K$880.7K—Held
ADAR1 Capital Management, LLC405.5K$782.7K—Held
Renaissance Technologies353.3K$681.9K—Held
Monashee Investment Management LLC274.9K$530.5K—Held
BOOTHBAY FUND MANAGEMENT, LLC254.4K$491K—Held
Hudson Bay Capital Management LP242.1K$467.2K—New
NOESIS CAPITAL MANGEMENT CORP224.2K$432.7K—Held
GEODE CAPITAL MANAGEMENT, LLC222.6K$429.6K—Held
Walleye Capital LLC198.4K$382.9K—Held
Jefferies Financial Group Inc.160K$308.8K—Held
UBS Group AG126.6K$244.3K—Held
MARSHALL WACE, LLP121.3K$234.1K—Held
BANK OF AMERICA CORP /DE/115.8K$223.5K$160Added$223.4K
TWO SIGMA ADVISERS, LP108.4K$209.2K—Held
SILVERARC CAPITAL MANAGEMENT, LLC106K$204.6K—Held
JANE STREET GROUP, LLC105.7K$204K—Held
Mountain Capital Investment Advisors Inc.63K$141.8K—Held
State Street72.9K$140.7K—Held
BlackRock, Inc.42.7K$82.5K—Held
NORTHERN TRUST CORP40.3K$77.8K—Held
Persistent Asset Partners Ltd39.6K$76.4K—New
XTX Topco Ltd37K$71.4K—Held
MORGAN STANLEY27.6K$53.3K$63Added$53.2K
PFG Investments, LLC21.5K$41.5K—Held
Vanguard Personalized Indexing Management, LLC12.5K$24.1K—Held
CITIGROUP INC5.05K$9.74K—Held
Tower Research Capital LLC (TRC)1.38K$2.66K—Held
Fortitude Family Office, LLC431$832—Held
OSAIC HOLDINGS, INC.384$741—Held
SHP Wealth Management60$116—Held
Arax Advisory Partners91$112—Held
SBI Securities Co., Ltd.22$42—Held
SOA Wealth Advisors, LLC.13$25—Held
BNP PARIBAS FINANCIAL MARKETS5$10—Held
Activest Wealth Management4$8—Held
JPMORGAN CHASE & CO2$4—Held
Financial Gravity Asset Management, Inc.2$4—Held
BARCLAYS PLC2$4—New
WELLS FARGO & COMPANY/MN1$2—Held
Steward Partners Investment Advisory, LLC1$2—Held
Motiv8 Investments LLC1$0—Held

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.