Iridex IRIX Institutional Ownership

Updated Oct 10, 2026

Iridex Corp (NASDAQ:IRIX) appeared in the 13F filings of 28 institutional investors for the quarter ended June 30, 2026.

• Their combined stake equaled 12.28% of outstanding shares in Q2 2026, down from 16.71% in Q1 2026.
• Total shares held in Iridex fell 26.11% from Q1 2026, while the number of holders rose 55.56% from Q2 2025.
• Among the 28 holders of Iridex, 13 added to their positions, 7 reduced their stakes and 8 left their positions unchanged.
• Institutional investors held 2.14Mn shares of Iridex in total at the end of Q2 2026, down 755.01K from the prior quarter and down 475.01K from a year earlier.
• As of June 30, 2026, the biggest holder of Iridex was Vanguard Capital Management LLC with 514.59K shares, or 2.96% of shares outstanding.
• The largest position increases in IRIX for Q2 2026 were by Citadel Advisors LLC (+38.1K shares), Renaissance Technologies LLC (+26.91K shares), Perkins Capital Management Inc (+15.5K shares), Goldman Sachs Group Inc (+2.83K shares) and Northern Trust Corp (+2.67K shares).
• The biggest cuts to IRIX positions during Q2 2026 came from Weber Capital Management LLC (-79.11K shares), Thompson Davis & Co., Inc. (-32K shares), United Capital Financial Advisors, LLC (-22K shares), Geode Capital Management, LLC (-21.2K shares) and Susquehanna International Group, LLP (-1.46K shares).
• Per Business Quant, the top 10 investors in IRIX for the quarter ended June 30, 2026 were Vanguard Capital Management LLC (514.59K shares), Renaissance Technologies LLC (423.54K shares), Morgan Stanley (305.19K shares), Weber Capital Management LLC (180.45K shares), Geode Capital Management, LLC (138.96K shares), Citadel Advisors LLC (98.95K shares), Perkins Capital Management Inc (70.8K shares), Vanguard Fiduciary Trust Co (60.16K shares), State Street Corp (44.72K shares) and Goldman Sachs Group Inc (40.45K shares).