Ticker · CUSIP 45259L205

IBO

IMPACT BIOMEDICAL INC
···Share
Holders (tracked)
2
Combined shares
177,650
Combined value
$89.7K
Last close
$0.65
Quarter
2025Q4
Price · 1Y$0.64+0.24 (+60.05%)H $1.61 · L $0.36 · Avg Vol 3.9M
Position opened
$0.50$1.00$1.50VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 4.
212025Q12025Q4
Price is +27.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

3 events
  1. Two Sigma Investments added2026-02-17
    +8,327 shares · 2025Q4
    Position
  2. Izzy Englander (Millennium Mgmt) opened position2026-02-17
    +137,823 shares · 2025Q4
    Position
  3. Two Sigma Investments added2025-11-14
    +8,800 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for IBO →
Follow-the-investor returns
If you'd copied each holder of IBO…
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)2025Q4$0.51+27.7%$89K
Two Sigma Investments2025Q2$0.62+3.8%$26K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions1
Added to1
Trimmed0
—
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2025Q1
1
$52K
2025Q2
1
$15K
2025Q3
1
$21K
2025Q4
2
$90K

Who owns IBO

2 super-investors · 2025Q4
Tracked stake
177.7K
shares
Combined value
$90K
% of shares outstanding
—
shares-out unknown
Quarter action mix
New1Added1
#ManagerSharesValue
1Izzy Englander
Millennium Mgmt
137.8K$70K
2Two Sigma Investments39.8K$20K

Recent moves

4 transactions
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