Ticker · CUSIP 449778109

IOBTQ

IO BIOTECH INC
···Share
Holders (tracked)
2
Combined shares
346,317
Combined value
$210.9K
Last close
$0.01
Quarter
2025Q4
Price · 1Y$0.00-0.86 (-99.42%)H $2.40 · L $0.00 · Avg Vol 7.0M
Position opened
$0.00$0.50$1.00$1.50$2.00$2.50VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
-1 vs previous quarter over the last 8.
222024Q12025Q4
Price is -99.2% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

6 events
  1. −1,253,680 shares · 2025Q4
    Position
  2. −250,000 shares · 2025Q4
    Position
  3. −339,714 shares · 2025Q4
    Position
  4. +1,392,396 shares · 2025Q3
    Position
  5. +250,000 shares · 2025Q3
    Position
  6. +408,015 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
Follow-the-investor returns
If you'd copied each holder of IOBTQ…
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
Izzy Englander (Millennium Mgmt)2021Q4$0.45-98.9%$694
Renaissance Technologies2022Q3$0.67-99.3%$1K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
Added to0
Trimmed2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
2
$132.9M
2022Q2
2
$283K
2022Q3
3
$268K
2022Q4
2
$103K
2023Q1
4
$2.9M
2023Q2
2
$209K
2023Q3
1
$34K
2023Q4
2
$265K
2024Q1
2
$392K
2024Q2
2
$313K
2024Q3
2
$133K
2024Q4
2
$358K
2025Q1
2
$187K
2025Q2
2
$234K
2025Q3
3
$795K
2025Q4
2
$211K

Who owns IOBTQ

2 super-investors · 2025Q4
Tracked stake
346.3K
shares
Combined value
$211K
% of shares outstanding
shares-out unknown
Quarter action mix
Trim2
#ManagerSharesValue
1Renaissance Technologies207.6K$126K
2Izzy Englander
Millennium Mgmt
138.7K$84K

Recent moves

20 transactions
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