IbioIBIO

13F holders, Q3 2025 (September 30)
32holders +2
5new positions
3sold out
1famous investor
$0.83avg. 13F price*

At the end of Q3 2025, 32 institutions reported holding Ibio Inc. (IBIO) in their 13F filings, up 2 from Q2 2025. 5 opened new positions and 3 sold out. The largest holders were Lynx1 Capital Management LP ($874K), Ikarian Capital, LLC ($511K) and Ameriprise Financial Inc. ($399K). One famous investor held it Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Ibio Inc.
CUSIP
451033708
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q1 2024: 28Q1 2024Q2 2024: 28Q2 2024Q3 2024: 32Q3 2024Q4 2024: 30Q4 2024Q1 2025: 34Q1 2025Q2 2025: 30Q2 2025Q3 2025: 32Q3 2025Q4 2025: 50Q4 2025Q1 2026: 52Q1 2026Q2 2026: 55Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions5$582K
Exits3$15K

All 13F filers, Q2 2025 → Q3 2025: 925,578 shares bought and 559,699 shares sold, net +365,879 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 32 holders

Lynx1 Capital Management LP 0.18% Reduce -31.4% 1,055,897 $874K
Ikarian Capital, LLC 0.10% Add +2.9% 617,327 $511K
Ameriprise Financial Inc. 0.00% New 482,300 $399K
Opaleye Management Inc. 0.04% No change 375,000 $310K
Vanguard Group Inc. 0.00% Add +90.5% 274,070 $227K
Boothbay Fund Management, LLC 0.00% Add +10.9% 176,862 $146K
Geode Capital Management, LLC 0.00% Add +34.7% 151,309 $125K
Citadel Advisors 0.00% New 131,958 $109K
Two Sigma Securities, LLC 0.01% Add +57.8% 45,079 $37K
Susquehanna International Group, LLP 0.00% New 44,471 $37K
BlackRock, Inc. 0.00% No change 42,727 $35K
Virtu Financial LLC 0.00% Add +4.3% 41,900 $35K
HRT Financial LP 0.00% New 34,157 $28K
State Street Corp. 0.00% No change 33,699 $28K
ADAR1 Capital Management, LLC 0.00% Reduce -50.8% 27,000 $22K
Northern Trust Corp. 0.00% No change 23,044 $19K
Balyasny Asset Management L.P. 0.00% New 10,400 $9K
Tower Research Capital LLC (TRC) 0.00% Reduce -17.8% 1,733 $1K
Osaic Holdings, Inc. 0.00% No change 704 $575
Bank of America Corp. 0.00% Reduce -7.6% 145 $120
Arax Advisory Partners 0.00% No change 91 $76
Morgan Stanley 0.00% Add +16.3% 57 $47
SBI Securities Co., Ltd. 0.00% Reduce -90.1% 22 $18
SOA Wealth Advisors, LLC. 0.00% No change 13 $11
BNP Paribas Financial Markets 0.00% No change 5 $4
Wells Fargo & Company 0.00% Add +300.0% 4 $3
City Holding Co. 0.00% No change 4 $3
Activest Wealth Management 0.00% No change 4 $3
JPMorgan Chase & Co. 0.00% No change 2 $2
Financial Gravity Asset Management, Inc. 0.00% — 2 $2
UBS Group AG 0.00% Reduce -100.0% 1 $1
Steward Partners Investment Advisory, LLC 0.00% No change 1 $1

"% of holder's portfolio" is IBIO's weight in each manager's 13F, not the share of Ibio Inc. the manager owns.