Form 13-F position report

IBIO INC

Reported by IRIDIAN ASSET MANAGEMENT LLC CT

IBIO CUSIP 451033708 Manager CIK 0001033427

Reported 0 shares, down 58,205 (100.0%) from the prior quarter.

Reported value -100.0%; share count -100.0% vs. the prior quarter.

Reduced
% of reported 13F value 0 This manager · Q2 2025
Shares 0 Quarter-end amount reported
Reported value $0 Fair value at quarter end
Consecutive quarters held 2 Through Q2 2025

Reported position value by quarter

Reported position value by quarter

Each bar is a Form 13-F quarter-end snapshot. It does not show trades made within the quarter.

Reported position value by quarter
Date Holding Value
2025-03-31 233984
2025-06-30 0

Quarterly position history

How this manager's reported quarter-end position changed over time.

2 quarters
Quarterly reported position history for IBIO INC held by IRIDIAN ASSET MANAGEMENT LLC CT.
Quarter Activity Shares Change % of reported 13F Reported value Filed Source filing
Q2 2025 Reduced 0 -58,205 (-100.0%) 0 $0 2025-08-14
Q1 2025 New 58,205 +58,205 (0.0%) 0.07% $233,984 2025-04-30

Who else reported the position

40 managers reported IBIO INC for Q2 2025.

Managers reporting IBIO INC in Q2 2025.
Manager Activity Shares Change % of reported 13F Reported value Tenure
Lynx1 Capital Management LP Added 1,538,573 +676,294 0.34% $1,174,085 6 qtrs
Ikarian Capital LLC Unchanged 599,913 0 0.09% $457,794 6 qtrs
Opaleye Management Inc Unchanged 375,000 0 0.06% $285,000 6 qtrs
BOOTHBAY FUND MANAGEMENT LLC Unchanged 159,448 0 < 0.01% $121,675 5 qtrs
VANGUARD GROUP INC Unchanged 143,861 0 < 0.01% $109,766 5 qtrs
GEODE CAPITAL MANAGEMENT LLC Added 112,301 +9,692 < 0.01% $85,696 5 qtrs
ADAR1 Capital Management LLC New 54,819 +54,819 < 0.01% $41,832 6 qtrs
BlackRock Inc Unchanged 42,727 0 < 0.01% $32,605 4 qtrs
Virtu Financial LLC New 40,181 +40,181 < 0.01% $31,000 1 qtr
STATE STREET CORPORATION Unchanged 33,699 0 < 0.01% $25,716 2 qtrs
Premium adds each manager's conviction percentile across reporting peers.
Filing details and methodology As reported
Report period
June 30, 2025
Filed
August 14, 2025
Filing type
13F-HR
Position type
CON NEW

Voting authority reported

No voting-authority amounts were reported for this position. Voting authority is not required for reported call options.

Form 13-F is a delayed quarter-end snapshot of disclosed long Section 13(f) securities. It can be filed up to 45 days after quarter end, excludes short positions and most non-U.S. securities, and does not reveal intra-quarter trading. For options, reported shares and value describe the underlying-share exposure; strike, expiry, premium, and written positions are not disclosed.