Ticker · CUSIP 462684101

IRIX

IRIDEX CORP
···Share
Holders (tracked)
2
Combined shares
405,955
Combined value
$462.8K
Last close
$1.06
Quarter
2025Q4
Price · 1Y$1.06+0.04 (+3.92%)H $1.56 · L $0.88 · Avg Vol 138K
$1.00$1.20$1.40$1.60VolJul 25Oct 25Jan 26Apr 26
Tracked holders · last 8 quarters
Flat over the last 8 quarters.
252024Q12025Q4
Price is -7.0% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

3 events
  1. Ken Griffin (Citadel Advisors) trimmed2026-02-17
    −75,078 shares · 2025Q4
    Position
  2. Renaissance Technologies trimmed2026-02-12
    −17,500 shares · 2025Q4
    Position
  3. Renaissance Technologies added2025-11-13
    +10,300 shares · 2025Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for IRIX →
Follow-the-investor returns
If you'd copied each holder of IRIX…
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
Ken Griffin (Citadel Advisors)2021Q2$1.10-3.4%$36K
Renaissance Technologies2016Q1$5.84-81.8%$394K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions0
—
Added to0
—
Trimmed2
Exited0
—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
3
$2.9M
2022Q2
3
$1.6M
2022Q3
2
$1.2M
2022Q4
5
$1.0M
2023Q1
3
$1.0M
2023Q2
3
$1.1M
2023Q3
5
$1.2M
2023Q4
5
$1.5M
2024Q1
5
$1.6M
2024Q2
5
$1.1M
2024Q3
4
$798K
2024Q4
3
$761K
2025Q1
3
$451K
2025Q2
3
$393K
2025Q3
2
$570K
2025Q4
2
$463K

Who owns IRIX

2 super-investors · 2025Q4
Tracked stake
406.0K
shares
Combined value
$463K
% of shares outstanding
—
shares-out unknown
Quarter action mix
Trim2
#ManagerSharesValue
1Renaissance Technologies371.6K$424K
2Ken Griffin
Citadel Advisors
34.4K$39K

Recent moves

20 transactions
Embed this chart
Paste this iframe anywhere to embed the live IRIX chart.
<iframe src="https://openstocks.me/embed/stocks/IRIX" width="100%" height="480" frameborder="0" loading="lazy" title="IRIX chart by OpenStocks" style="border:0;border-radius:12px;background:transparent"></iframe>
Preview: https://openstocks.me/embed/stocks/IRIX
Explore related topics