Stock

Iridex Corp

IRIX · held by 25 managers

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025

Reported value

$2.92M

Holders

+4 new · −3 exited

Holders’ est. mark

−$278.9K

Price effect on 18 books still in the name

Largest holder

$1.01M

PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE

Notable conviction

Share of each notable manager’s 13F book.

Renaissance Technologies0.0% · $400.6K
Citadel0.0% · $61.5K
State Street0.0% · $45.2K

Holder count by quarter

Q3 2025 Q4 2025 Q1 2026

Who holds it

Notable only

Investor	Shares	Value	Est. mark	Change
PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE	1M	$1.01M	−$130K	Cut−$130K
VANGUARD CAPITAL MANAGEMENT LLC	514.6K	$519.7K	—	Held
Renaissance Technologies	396.6K	$400.6K	−$48.3K	Cut−$23K
WEBER CAPITAL MANAGEMENT LLC /ADV	259.6K	$262.2K	−$33.7K	Cut−$33.7K
GEODE CAPITAL MANAGEMENT, LLC	160.2K	$161.8K	−$17.6K	Added$7.62K
Citadel	60.9K	$61.5K	−$4.47K	Added$22.3K
VANGUARD FIDUCIARY TRUST CO	60.2K	$60.8K	—	Held
UNITED CAPITAL FINANCIAL ADVISORS, LLC	57.5K	$58.1K	−$7.48K	Cut−$16.6K
PERKINS CAPITAL MANAGEMENT INC	55.3K	$55.9K	−$5.37K	Added$8.77K
THOMPSON DAVIS & CO., INC.	47.4K	$47.9K	−$3.71K	Added$15.4K
State Street	44.7K	$45.2K	−$5.81K	Cut−$5.81K
JANE STREET GROUP, LLC	37.6K	$38K	−$4.13K	Added$1.81K
GOLDMAN SACHS GROUP INC	37.6K	$38K	−$4.89K	Cut−$9.18K
DIVERSIFY WEALTH MANAGEMENT, LLC	33.8K	$34.9K	—	New
SUSQUEHANNA INTERNATIONAL GROUP, LLP	28.9K	$29.2K	−$3.18K	Added$1.29K
Bank of New York Mellon Corp	25.6K	$25.9K	−$3.33K	Cut−$10.1K
NORTHERN TRUST CORP	21.3K	$21.5K	−$2.77K	Cut−$2.77K
BlackRock, Inc.	20.3K	$20.5K	−$2.63K	Cut−$2.63K
TWO SIGMA SECURITIES, LLC	10.8K	$10.9K	—	New
HighTower Advisors, LLC	10K	$10.1K	−$1.3K	Cut−$1.3K
Vanguard Global Advisers, LLC	3.96K	$4K	—	Held
Tower Research Capital LLC (TRC)	2.09K	$2.11K	—	New
UBS Group AG	1.14K	$1.16K	—	New
GROUP ONE TRADING LLC	1.1K	$1.11K	−$143	Cut−$143
SIMPLEX TRADING, LLC	160	$161	−$21	Cut−$500

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.