Ticker · CUSIP 45259L205

IBO

IMPACT BIOMEDICAL INC
···Share
Holders (tracked)
2
Combined shares
177,650
Combined value
$89.7K
Last close
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 4.
212025Q12025Q4

SEC event timeline

3 events
  1. +8,327 shares · 2025Q4
    13F
  2. +137,823 shares · 2025Q4
    13F
  3. +8,800 shares · 2025Q3
    13F

Insider activity

No insider transactions in the last 30 days.

Who moved on this name in 2025Q4

13F transactions 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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