Iridex
IRIX • NASDAQ
Iridex is a medical - devices company in the healthcare sector on NASDAQ, led by Patrick Mercer, with a market cap of $15.8M. As of Q3 2025, 17% of shares are held by 21 institutional investors, with PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE as the largest holder at 5.89%.
PresidentPatrick Mercer
Market Cap$15.8M
Medical - Devices
Healthcare
Employees139.0
Websiteiridex.com
Country
United States of America
Overview
Overview of institutional ownership in IRIX as of Q3 2025 with a market cap of $19.4M
All Institutions
- Institutions
- 21
- Value Held
- $3.2M
- Shares Held
- 2.8M
- Avg Position
- $154.4K
- Median Position
- $47.1K
Hedge Funds
- Hedge Funds
- 4
- Value Held
- $801.3K
- Shares Held
- 701.5K
- Avg Position
- $200.3K
- Median Position
- $168.0K
Ownership Breakdown
Based on market cap of $19.4M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.
Biggest Investors
Institutions with the largest positions in IRIX as of Q3 2025
| Institution | Position Value |
|---|---|
$1.1M 2.03% of portfolio | |
 VANGUARD GROUP INC Institution | $665.5K 0.00% of portfolio |
 RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | $443.7K 0.00% of portfolio |
 AMH Equity Ltd Hedge Fund•Long/Short | $210.1K 0.27% of portfolio |
 GEODE CAPITAL MANAGEMENT LLC ETF Provider | $153.1K 0.00% of portfolio |
 CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | $125.9K 0.00% of portfolio |
 Apexium Financial, LP RIA/Wealth | $115.6K 0.01% of portfolio |
 SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | $64.9K 0.00% of portfolio |
 GOLDMAN SACHS GROUP INC Institution | $54.5K 0.00% of portfolio |
 STATE STREET CORP Institution | $51.4K 0.00% of portfolio |
Net Capital Flow
Institutional buying and selling activity for IRIX in Q3 2025
- Traded
- +$180.8K
- Buyers
- 10
- Sellers
- 7
- Total Bought
- +$260.6K
- Total Sold
- −$79.8K
- Avg Position
- $135.1K
Biggest Buyers
| Institution | Net Bought |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | +$90.0K +78.3K shares |
GOLDMAN SACHS GROUP INC Institution | +$54.5K +47.8K shares |
Apexium Financial, LP RIA/Wealth | +$40.1K +34.8K shares |
 Centiva Capital, LP Hedge Fund•Multi-Strategy | +$21.6K +18.8K shares |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | +$20.5K +17.8K shares |
J JANE STREET GROUP, LLC Institution | +$18.7K +16.4K shares |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | +$11.7K +10.3K shares |
GEODE CAPITAL MANAGEMENT LLC ETF Provider | +$1.5K +1.3K shares |
X XTX Topco Ltd Institution | +$1.4K +1.2K shares |
 BANK OF AMERICA CORP /DE/ Institution | +$568.8 +499.0 shares |
Biggest Sellers
| Institution | Net Sold |
|---|---|
T THOMPSON DAVIS & CO., INC. Institution | −$50.0K −56.7K shares |
VANGUARD GROUP INC Institution | −$8.2K −7.1K shares |
 PERKINS CAPITAL MANAGEMENT INC RIA/Wealth | −$6.8K −6.0K shares |
AMH Equity Ltd Hedge Fund•Long/Short | −$6.6K −5.8K shares |
T Tower Research Capital LLC Institution | −$5.7K −5.0K shares |
 NORTHERN TRUST CORP Institution | −$1.9K −1.6K shares |
 RAYMOND JAMES FINANCIAL INC RIA/Wealth | −$617.0 −700.0 shares |
Entry and Exit Activity
Institutions that initiated new positions or completely exited IRIX in Q3 2025
- New Positions
- 2
- New Value
- $40.3K
- Exited Positions
- 2
- Exited Value
- $50.6K
New Positions
| Institution | Position Value |
|---|---|
Centiva Capital, LP Hedge Fund•Multi-Strategy | $21.6K 18.8K shares |
J JANE STREET GROUP, LLC Institution | $18.7K 16.4K shares |
Exited Positions
| Institution | Previous Position |
|---|---|
T THOMPSON DAVIS & CO., INC. Institution | $50.0K 56.7K shares |
RAYMOND JAMES FINANCIAL INC RIA/Wealth | $617.0 700.0 shares |
Options Activity
Institutions with the largest Call and Put options positions in IRIX as of Q3 2025
- Call Positions
- 1
- Call Value
- -
- Put Positions
- 0
- Put Value
- -
Call Positions
| Institution | Position Value |
|---|---|
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | - - contracts |
Put Positions
| Institution | Position Value |
|---|---|
| No put positions found | |
Most Committed Institutions
Institutions with IRIX as the highest % of their portfolio as of Q3 2025
| Institution | Portfolio Weight |
|---|---|
2.03% $1.1M | |
AMH Equity Ltd Hedge Fund•Long/Short | 0.27% $210.1K |
PERKINS CAPITAL MANAGEMENT INC RIA/Wealth | 0.04% $47.1K |
Apexium Financial, LP RIA/Wealth | 0.01% $115.6K |
Centiva Capital, LP Hedge Fund•Multi-Strategy | 0.00% $21.6K |
X XTX Topco Ltd Institution | 0.00% $30.4K |
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant | 0.00% $443.7K |
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy | 0.00% $125.9K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity | 0.00% $64.9K |
G GROUP ONE TRADING, L.P. Institution | 0.00% $1.3K |
Hedge Fund Spotlight
Discover hedge funds investing in IRIX
RENAISSANCE TECHNOLOGIES LLC
Hedge Fund • Quant
Portfolio ManagerPeter Fitzhugh Brown
- Portfolio Value
- $75.8B
- Positions
- 3,419
- Last Reported
- Q3 2025
Sector Allocation
Position in Iridex
- Market Value
- $443.7K
- Shares Held
- 389.1K
- Portfolio Weight
- 0.00%
- Owned Since
- 2013-Q2
| Top Holding | Sector | Market Value | Weight |
|---|---|---|---|
Software - Infrastructure Technology | $1.6B | 2.06% | |
Semiconductors Technology | $1.1B | 1.39% | |
Electronic Gaming & Multimedia Technology | $953.5M | 1.26% |
