Iridex Corp (IRIX) Institutional Ownership

Ownership Summary

The institutional landscape for Iridex Corp (NASDAQ:IRIX) includes 22 filers as of the latest reporting cycle ending December 2025.

• These investors collectively held 16.5% of the company's total shares outstanding in December 2025, down from 16.6% in September 2025.
• Institutional share ownership changed by 11.39% QoQ, while the number of institutional owners saw a decrease of 18.52% YoY.
• The latest 13F cycle for Iridex reveals that of 22 total investors, 7 funds grew their exposure, whereas 7 reduced theirs and 8 made no changes.
• Collectively, institutional investors increased their stake in Iridex to 2.79Mn shares as of December 2025, a change that is up by 285.15K shares quarter on quarter and down 400.90K shares year over year.
• As of December 31, 2025, PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE held Iridex's largest shareholding position with over 1.00Mn shares, representing 5.90% of total outstanding shares.
• Among the most significant buyers of Iridex during December 2025 were WEBER CAPITAL MANAGEMENT LLC /ADV (259.56K), UNITED CAPITAL FINANCIAL ADVISORS, LLC (65.53K), THOMPSON DAVIS & CO., INC. (28.50K), XTX Topco Ltd (28.49K), Diversify Advisory Services, LLC (19.13K).
• Leading sellers of Iridex stock in December 2025 included CITADEL ADVISORS LLC (75.08K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (31.98K), RENAISSANCE TECHNOLOGIES LLC (17.50K), GOLDMAN SACHS GROUP INC (6.41K), NORTHERN TRUST CORP (1.95K).
• The top 10 institutional holders of Iridex for the quarter ending December 2025 included PARAGON ASSOCIATES & PARAGON ASSOCIATES II JOINT VENTURE (1.00Mn), VANGUARD GROUP INC (578.71K), RENAISSANCE TECHNOLOGIES LLC (371.56K), WEBER CAPITAL MANAGEMENT LLC /ADV (259.56K), GEODE CAPITAL MANAGEMENT, LLC (135.21K), UNITED CAPITAL FINANCIAL ADVISORS, LLC (65.53K), STATE STREET CORP (44.72K), GOLDMAN SACHS GROUP INC (41.38K), PERKINS CAPITAL MANAGEMENT INC (41.30K), CITADEL ADVISORS LLC (34.40K).