IRIX · Iridex Corp

$0.76 -0.01 (-0.72%) At close · Aug 21

Market Cap

$13.28M

17.56M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Quarter:

Holders: 29

Total Value: $2,495,773

Total Shares: 2,170,249

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 29 13F filers · Δ vs Mar 31, 2026

Top Holder

23.7%

−10.9 pts

Top 5

72.0%

−8.6 pts

Top 10

86.5%

−3.8 pts

HHI

1,314

Broadly held−528

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +4

Institutional value: -14.5%

Shares held: -24.9%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega CITADEL ADVISORS LLC	+38,099	98,950
Large RENAISSANCE TECHNOLOGIES LLC	+26,915	423,542
Small PERKINS CAPITAL MANAGEMENT INC	+15,500	70,800
Mega GOLDMAN SACHS GROUP INC	+2,833	40,454
Mega NORTHERN TRUST CORP	+2,675	23,983

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Small WEBER CAPITAL MANAGEMENT LLC /ADV	−79,107	180,451
Small THOMPSON DAVIS & CO., INC.	−32,000	15,444
Mid UNITED CAPITAL FINANCIAL ADVISORS, LLC	−22,000	35,529
Mega GEODE CAPITAL MANAGEMENT, LLC	−21,199	138,960
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	−1,460	27,459

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mega MORGAN STANLEY	305,193	$350,971
Mid Diversify Advisory Services, LLC	33,840	$38,916
Mid XTX Topco Ltd	29,190	$33,568
Mega CITIGROUP INC	14,172	$16,297
Mid Centiva Capital, LP	13,920	$16,008

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Micro PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE	1,000,000	$1,010,000
Mega JANE STREET GROUP, LLC	37,634	$38,010
Small TWO SIGMA SECURITIES, LLC	10,792	$10,899

Filter: New 7 Increased 6 Reduced 7 Sold out 3 Unchanged 9

Showing 29 of 29

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

VANGUARD CAPITAL MANAGEMENT LLC

$591,781

23.71%

514,593

RENAISSANCE TECHNOLOGIES LLC

$487,073

19.52%

423,542

MORGAN STANLEY

$350,971

14.06%

305,193

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
PARAMETRIC PORTFOLIO ASSOCIATES LLC	305,193	$350,971	100.0%	Defined

WEBER CAPITAL MANAGEMENT LLC /ADV

$207,518

8.31%

180,451

GEODE CAPITAL MANAGEMENT, LLC

$159,803

6.40%

138,960

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	23,490	$27,013	16.9%	Defined
Held directly	115,470	$132,790	83.1%	Defined

CITADEL ADVISORS LLC

$113,792

4.56%

98,950

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	98,950	$113,792	100.0%	Defined

PERKINS CAPITAL MANAGEMENT INC

$81,420

3.26%

70,800

VANGUARD FIDUCIARY TRUST CO

$69,178

2.77%

60,155

STATE STREET CORP

$51,425

2.06%

44,718

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
STATE STREET GLOBAL ADVISORS TRUST COMPANY	44,718	$51,425	100.0%	Defined

GOLDMAN SACHS GROUP INC

$46,522

1.86%

40,454

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	40,454	$46,522	100.0%	Defined

UNITED CAPITAL FINANCIAL ADVISORS, LLC

$40,858

1.64%

35,529

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
United Capital Financial Partners, LLC	35,529	$40,858	100.0%	Defined

DIVERSIFY WEALTH MANAGEMENT, LLC

$38,916

1.56%

33,840

Diversify Advisory Services, LLC

$38,916

1.56%

33,840

XTX Topco Ltd

$33,568

1.34%

29,190

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
XTX EXECUTION SERVICES LLC joint	29,190	$33,568	100.0%	Defined

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$31,577

1.27%

27,459

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
G1 EXECUTION SERVICES, LLC	27,459	$31,577	100.0%	Other

Bank of New York Mellon Corp

$29,495

1.18%

25,649

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
The Bank of New York Mellon	1,430	$1,644	5.6%	Defined
Newton Investment Management North America, LLC	24,219	$27,851	94.4%	Defined

NORTHERN TRUST CORP

$27,580

1.11%

23,983

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	23,983	$27,580	100.0%	Defined

BlackRock, Inc.

$23,299

0.93%

20,260

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BlackRock Institutional Trust Company, N.A.	20,260	$23,299	100.0%	Sole

THOMPSON DAVIS & CO., INC.

$17,760

0.71%

15,444

CITIGROUP INC

$16,297

0.65%

14,172

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	14,172	$16,297	100.0%	Defined

Centiva Capital, LP

$16,008

0.64%

13,920

HighTower Advisors, LLC

$11,500

0.46%

10,000

Vanguard Global Advisers, LLC

$4,557

0.18%

3,963

Tower Research Capital LLC (TRC)

$3,559

0.14%

3,095

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	3,095	$3,559	100.0%	Defined

GROUP ONE TRADING LLC

$1,265

0.05%

1,100

UBS Group AG

$991

0.04%

862

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS Securities LLC	862	$991	100.0%	Defined

SIMPLEX TRADING, LLC

$128

0.01%

112

Caitong International Asset Management Co., Ltd

$11

0.00%

SBI Securities Co., Ltd.

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	37,634	$38,010	100.0%	Defined

Key facts CIK 1006045 CUSIP 462684101 13F (30d) 28 filings 28 filers Visit website