IRIX · Iridex Corp · Shareholders & Ownership

$0.75 -0.02 (-2.18%)

Market Cap

$13.39M

17.56M

Volume · Oct 23 18.98K Avg daily vol (3M) 390.46K

Every disclosed holder of IRIX in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

How the holder list picks a filing →

Who Owns IRIX

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

Holder group	Holders	Shares	% Out	Summed
Institutional (13F)	29	2,089,514	11.90%	Yes
Insiders (Forms 3, 4, 5)	7	3,138,886	17.87%	Yes
13D/G-only blocks	0	0	0.00%	Yes
Remaining	—	12,336,512	70.23%	Rest
Registered funds (N-PORT, not summed)	6	651,301	3.71%	No

Shares outstanding: 17,564,912, the issuer's latest cover-page count restated onto today's split basis.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of IRIX

One row per holder Every filing By ultimate parent

All 13F Funds Insiders 13D/G Non-US

#	Holder	Shares	% Out	Change	As of	Notes
1	Lin Shih-Yao David Insider CIK 2098041 · Mar 30, 2026 10% Owner, issuer-wide	1,186,809	6.76%	+350,557	Mar 30, 2026	10% Owner, issuer-wide
2	Novel Inspiration International Co., Ltd. Insider CIK 2097627 · Oct 2, 2026 10% Owner, issuer-wide	697,742	3.97%	+146,313	Oct 2, 2026	10% Owner, issuer-wide
2.1	Novel Inspiration International Co., Ltd. 13D CIK 2097627 · Registered fund · Mar 19, 2025 not summed	5,551,429	31.61%	—	Mar 19, 2025	not summed
3	VANGUARD CAPITAL MANAGEMENT LLC 13F CIK 2100119 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	514,593	2.93%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
4	Mercer Patrick Insider CIK 1786824 · Oct 1, 2026 President and CEO, issuer-wide	444,867	2.53%	-23,917	Oct 1, 2026	President and CEO, issuer-wide
5	RENAISSANCE TECHNOLOGIES LLC 13F CIK 1037389 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	423,542	2.41%	+26,915	Jun 30, 2026	carried, not yet filed for the newest quarter
6	MOORE WILLIAM M Insider CIK 1217126 · Dec 16, 2025 Director, issuer-wide	402,000	2.29%	+2,000	Dec 16, 2025	Director, issuer-wide
7	VANGUARD TOTAL STOCK MARKET INDEX FUND Fund S000002848 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	401,852	2.29%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
8	MORGAN STANLEY 13F CIK 895421 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	305,193	1.74%	+305,193	Jun 30, 2026	carried, not yet filed for the newest quarter
9	Dizon Romeo R Insider CIK 1658282 · Sep 16, 2026 Chief Financial Officer, issuer-wide	185,306	1.06%	+7,900	Sep 16, 2026	Chief Financial Officer, issuer-wide
10	WEBER CAPITAL MANAGEMENT LLC /ADV 13F CIK 1099905 · Registered investment adviser · Sep 30, 2026	146,980	0.84%	-33,471	Sep 30, 2026
11	GEODE CAPITAL MANAGEMENT, LLC 13F CIK 1214717 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	138,960	0.79%	-21,199	Jun 30, 2026	carried, not yet filed for the newest quarter
12	Shuda Scott Insider CIK 1486636 · Apr 24, 2025 Director, issuer-wide	129,523	0.74%	+21,457	Apr 24, 2025	Director, issuer-wide
13	VANGUARD EXTENDED MARKET INDEX FUND Fund S000002841 · Registered fund · Jun 30, 2026 VANGUARD INDEX FUNDS, not summed	112,741	0.64%	0	Jun 30, 2026	VANGUARD INDEX FUNDS, not summed
14	CITADEL ADVISORS LLC 13F CIK 1423053 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	98,950	0.56%	+38,099	Jun 30, 2026	carried, not yet filed for the newest quarter
15	HUSS BEVERLY A Insider CIK 1222352 · Apr 23, 2025 Director, issuer-wide	92,639	0.53%	+25,900	Apr 23, 2025	Director, issuer-wide
16	Fidelity Extended Market Index Fund Fund S000006021 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	90,582	0.52%	+24,572	May 31, 2026	Fidelity Concord Street Trust, not summed
17	PERKINS CAPITAL MANAGEMENT INC 13F CIK 884300 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	70,800	0.40%	+15,500	Jun 30, 2026	carried, not yet filed for the newest quarter
18	VANGUARD FIDUCIARY TRUST CO 13F CIK 933478 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	60,155	0.34%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
19	STATE STREET CORP 13F CIK 93751 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	44,718	0.25%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
20	GOLDMAN SACHS GROUP INC 13F CIK 886982 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	40,454	0.23%	+2,833	Jun 30, 2026	carried, not yet filed for the newest quarter
21	UNITED CAPITAL FINANCIAL ADVISORS, LLC 13F CIK 1463217 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	35,529	0.20%	-22,000	Jun 30, 2026	carried, not yet filed for the newest quarter
22	XTX Topco Ltd 13F CIK 1828301 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	29,190	0.17%	+29,190	Jun 30, 2026	carried, not yet filed for the newest quarter
23	SUSQUEHANNA INTERNATIONAL GROUP, LLP 13F CIK 1446194 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	27,459	0.16%	-1,460	Jun 30, 2026	carried, not yet filed for the newest quarter
24	Bank of New York Mellon Corp 13F CIK 1390777 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	25,649	0.15%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
25	NORTHERN TRUST CORP 13F CIK 73124 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	23,983	0.14%	+2,675	Jun 30, 2026	carried, not yet filed for the newest quarter
26	BlackRock, Inc. 13F CIK 2012383 · Holding company · Jun 30, 2026 carried, not yet filed for the newest quarter	20,260	0.12%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
27	Fidelity Series Total Market Index Fund Fund S000065248 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	16,874	0.10%	0	May 31, 2026	Fidelity Concord Street Trust, not summed
28	THOMPSON DAVIS & CO., INC. 13F CIK 1017284 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	15,444	0.09%	-32,000	Jun 30, 2026	carried, not yet filed for the newest quarter
29	Fidelity Nasdaq Composite Index Fund Fund S000055366 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	14,777	0.08%	0	May 31, 2026	Fidelity Concord Street Trust, not summed
30	Fidelity Total Market Index Fund Fund S000006026 · Registered fund · May 31, 2026 Fidelity Concord Street Trust, not summed	14,475	0.08%	0	May 31, 2026	Fidelity Concord Street Trust, not summed
31	CITIGROUP INC 13F CIK 831001 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	14,172	0.08%	+14,172	Jun 30, 2026	carried, not yet filed for the newest quarter
32	Centiva Capital, LP 13F CIK 1692507 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	13,920	0.08%	+13,920	Jun 30, 2026	carried, not yet filed for the newest quarter
33	Diversify Advisory Services, LLC 13F CIK 2021232 · Registered investment adviser · Sep 30, 2026	10,205	0.06%	-23,635	Sep 30, 2026
34	DIVERSIFY WEALTH MANAGEMENT, LLC 13F CIK 2030780 · Registered investment adviser · Sep 30, 2026	10,205	0.06%	-23,635	Sep 30, 2026
35	HighTower Advisors, LLC 13F CIK 1462245 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	10,000	0.06%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
36	Vanguard Global Advisers, LLC 13F CIK 1811242 · Registered investment adviser · Jun 30, 2026 carried, not yet filed for the newest quarter	3,963	0.02%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
37	Tower Research Capital LLC (TRC) 13F CIK 1533421 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	3,095	0.02%	+1,003	Jun 30, 2026	carried, not yet filed for the newest quarter
38	GROUP ONE TRADING LLC 13F CIK 932540 · Broker-dealer · Jun 30, 2026 carried, not yet filed for the newest quarter	1,100	0.01%	0	Jun 30, 2026	carried, not yet filed for the newest quarter
39	UBS Group AG 13F CIK 1610520 · Bank · Jun 30, 2026 carried, not yet filed for the newest quarter	862	0.00%	-282	Jun 30, 2026	carried, not yet filed for the newest quarter
40	SIMPLEX TRADING, LLC 13F CIK 1488542 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	112	0.00%	-48	Jun 30, 2026	carried, not yet filed for the newest quarter
41	SBI Securities Co., Ltd. 13F CIK 1851815 · Non-US institution · Sep 30, 2026	11	0.00%	+6	Sep 30, 2026
42	Caitong International Asset Management Co., Ltd 13F CIK 1963355 · Unknown · Jun 30, 2026 carried, not yet filed for the newest quarter	10	0.00%	+10	Jun 30, 2026	carried, not yet filed for the newest quarter

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Key facts CIK 1006045 CUSIP 462684101 13F (30d) 4 filings 4 filers Visit website Investor relations