Ticker · CUSIP 451033708

IBIO

IBIO INC
···Share
Holders (tracked)
2
Combined shares
809,672
Combined value
$1.56M
Last close
$2.06
Quarter
2025Q4
Price · 1Y$2.06+1.17 (+131.46%)H $3.07 · L $0.57 · Avg Vol 3.2M
Position opened
$0.50$1.00$1.50$2.00$2.50$3.00VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 6.
242023Q42025Q4
Price is +6.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

3 events
  1. Ken Griffin (Citadel Advisors) exited2026-02-17
    −131,958 shares · 2025Q4
    Position
  2. Two Sigma Investments opened position2026-02-17
    +456,333 shares · 2025Q4
    Position
  3. Renaissance Technologies opened position2026-02-12
    +353,339 shares · 2025Q4
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for IBIO →
Follow-the-investor returns
If you'd copied each holder of IBIO…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Two Sigma Investments2025Q1$1.99+3.4%$940K
Renaissance Technologies2024Q1$2.02+1.8%$728K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Added to0
—
Trimmed0
—
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2023Q4
4
$44K
2024Q1
2
$88K
2024Q2
1
$12K
2025Q1
1
$54K
2025Q3
1
$109K
2025Q4
2
$1.6M

Who owns IBIO

2 super-investors · 2025Q4
Tracked stake
809.7K
shares
Combined value
$2M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New2
#ManagerSharesValue
1Two Sigma Investments456.3K$881K
2Renaissance Technologies353.3K$682K

Recent moves

10 transactions
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