Iridex Corp
IRIX- Exchange
- Nasdaq
- Industry
- Electromedical & Electrotherapeutic Apparatus
- SEC CIK
- 0001006045
In the last 90 days, Iridex Corp insiders filed 4 open-market purchases and 0 sales; 29 institutions reported holding it in 13F filings for Q2 2026, worth $2.47M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Iridex Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 25
- +4 vs. Q4 2025
- Shares held
- 2.89M
- +680.5K (+30.8%) vs. Q4 2025
- Total value
- $2.92M
- +$395.4K (+15.7%) vs. Q4 2025
- New holders
- 7
- 7 more added
- Sold out
- 3
- 4 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting IRIX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 29 | $2.47M |
| Q1 2026 | 25 | $2.92M |
| Q4 2025 | 22 | $3.19M |
| Q3 2025 | 22 | $3.24M |
| Q2 2025 | 20 | $2.37M |
| Q1 2025 | 24 | $3.19M |
| Q4 2024 | 27 | $5.43M |
| Q3 2024 | 28 | $5.83M |
| Q2 2024 | 29 | $7.08M |
| Q1 2024 | 30 | $9.90M |
| Q4 2023 | 32 | $9.17M |
| Q3 2023 | 31 | $9.03M |
| Q2 2023 | 28 | $8.43M |
| Q1 2023 | 31 | $7.56M |
| Q4 2022 | 26 | $7.23M |
| Q3 2022 | 28 | $8.51M |
| Q2 2022 | 30 | $9.07M |
| Q1 2022 | 32 | $17.0M |
| Q4 2021 | 32 | $21.4M |
| Q3 2021 | 29 | $26.8M |
| Q2 2021 | 33 | $27.2M |
| Q1 2021 | 29 | $26.0M |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Iridex Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Paragon Associates & Paragon Associates II Joint Venture | 1,000,000 | $1.01M | 1.37% | 00.0% | Unchanged |
| Vanguard Capital Management LLC | 514,593 | $519.7K | 0.00% | +514,593 | New |
| Renaissance Technologies LLC | 396,627 | $400.6K | 0.00% | +25,067+6.7% | Added |
| Weber Capital Management LLC | 259,558 | $262.2K | 0.26% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 160,159 | $161.8K | 0.00% | +24,951+18.5% | Added |
| Citadel Advisors LLC | 60,851 | $61.5K | 0.00% | +26,456+76.9% | Added |
| Vanguard Fiduciary Trust Co | 60,155 | $60.8K | 0.00% | +60,155 | New |
| United Capital Financial Advisers, LLC | 57,529 | $58.1K | 0.00% | −8,000−12.2% | Reduced |
| Perkins Capital Management Inc | 55,300 | $55.9K | 0.05% | +14,000+33.9% | Added |
| Thompson Davis & Co., Inc. | 47,444 | $47.9K | 0.03% | +18,944+66.5% | Added |
| State Street Corp | 44,718 | $45.2K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 37,634 | $38.0K | 0.00% | +5,876+18.5% | Added |
| Goldman Sachs Group Inc | 37,621 | $38.0K | 0.00% | −3,764−9.1% | Reduced |
| Diversify Wealth Management, LLC | 33,840 | $34.9K | 0.00% | +33,840 | New |
| Susquehanna International Group, LLP | 28,919 | $29.2K | 0.00% | +4,432+18.1% | Added |
| Bank of New York Mellon Corp | 25,649 | $25.9K | 0.00% | −5,891−18.7% | Reduced |
| Northern Trust Corp | 21,308 | $21.5K | 0.00% | 00.0% | Unchanged |
| BlackRock, Inc. | 20,260 | $20.5K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 10,792 | $10.9K | 0.00% | +10,792 | New |
| HighTower Advisors, LLC | 10,000 | $10.1K | 0.00% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 3,963 | $4.00K | 0.00% | +3,963 | New |
| Tower Research Capital LLC (TRC) | 2,092 | $2.11K | 0.00% | +2,092 | New |
| UBS Group AG | 1,144 | $1.16K | 0.00% | +1,144 | New |
| Group One Trading, L.P. | 1,100 | $1.11K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 160 | $161 | 0.00% | −420−72.4% | Reduced |
| XTX Topco Ltd | 0 | $0 | 0.00% | −28,494−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −19,134−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −127−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |