IRIDEX

IRIX · NASDAQ

$0.755−$0.015 (−1.95%)TodayMarket closed · Oct 20, 5:14 PM ET

Prev close $0.77

Who owns IRIX

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 45.5% of IRIX’s shares.

Topcon Corp9.3%
Yao David (Lin Shih)6.8%
Stanley Manne Trust6.2%
Paragon JV Partners, LLC5.5%
Next 6 largest institutions17.7%
All other shareholders54.5%

Top institutional holders of IRIX
Holder	Shares	% of shares	Change, last filing	Filed
Topcon Corp	1.62M	9.29%	+0	Apr 1, 2026
Yao David (Lin Shih)	1.19M	6.82%	+1.19M	Jul 10, 2026
Stanley Manne Trust	1.07M	6.16%	+0	Apr 1, 2026
Paragon JV Partners, LLC	963.25K	5.53%	−36.75K	Apr 1, 2026
Roland (Brent Alexander)	882.00K	5.07%	+420.29K	Apr 1, 2026
Novel Inspiration International Co., Ltd	551.43K	3.17%	+112.00K	Jul 10, 2026
Vanguard Capital Management, LLC	514.59K	2.96%	+0	Jun 30, 2026
Renaissance Technologies LLC	423.54K	2.43%	+26.91K	Jun 30, 2026
Moore (William M)	402.00K	2.31%	+0	Apr 1, 2026
Parametric Portfolio Associates LLC	305.19K	1.75%	+305.19K	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of IRIX
Holder	Shares	% of shares	Change, last filing	Filed
Vanguard Total Stock Market Index Fund	401.85K	2.31%	+0	Jul 31, 2026
Vanguard Extended Market Index Fund	112.74K	0.65%	+0	Jul 31, 2026
Fidelity Extended Market Index Fund	72.57K	0.42%	−136	Jul 31, 2026
Fidelity Series Total Market Index Fund	16.87K	0.10%	+0	Jul 31, 2026
Fidelity Total Market Index Fund	14.47K	0.08%	+0	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $31.39K (11 trades) of IRIX on the open market, with no sales.

Latest IRIX insider transactions
Insider	Date	Type	Shares	Price	Value
Novel Inspiration International Co., Ltd.	Oct 2, 2026	Other	146.31K	—	—
Mercer Patrick	Oct 1, 2026	Tax withholding	23.92K	$0.632	$15.12K
Dizon Romeo R	Sep 16, 2026	Buy	7.90K	$0.63	$4.98K
Dizon Romeo R	Sep 14, 2026	Buy	2.35K	$0.65	$1.53K
Dizon Romeo R	Sep 10, 2026	Buy	5.10K	$0.68	$3.47K
Dizon Romeo R	Aug 24, 2026	Buy	5.37K	$0.7499	$4.03K
Dizon Romeo R	Aug 24, 2026	Buy	1.30K	$0.7488	$973
Mercer Patrick	Jul 10, 2026	Award	100.00K	—	—
Mercer Patrick	Jul 10, 2026	Award	200.00K	—	—
Mercer Patrick	Jul 10, 2026	Award	100.00K	—	—

Short interest

Settled Sep 30, 2026

Shares short: 131.66K
Days to cover: 3.49
% of shares outstanding: 0.76%
Average daily volume: 37.76K
Change since last report: −17.9%

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