IridexIRIX
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 20 institutions reported holding Iridex Corp. (IRIX) in their 13F filings, down 4 from Q1 2025. 3 opened new positions and 7 sold out. The largest holders were Paragon Associates & Paragon Associates II Joint Venture ($880K), Vanguard Group Inc. ($517K) and Renaissance Technologies ($334K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Iridex Corp.
- CUSIP
- 462684101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $85K |
| Exits | 7 | $223K |
All 13F filers, Q1 2025 → Q2 2025: 110,977 shares bought and 567,863 shares sold, net −456,886 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 20 holders
| Paragon Associates & Paragon Associates II Joint Venture | 1.40% | No change | 1,000,000 | $880K |
| Vanguard Group Inc. | 0.00% | Reduce -1.5% | 585,813 | $517K |
| Renaissance Technologies | 0.00% | Reduce -0.1% | 378,760 | $334K |
| AMH Equity Ltd | 0.25% | Reduce -63.4% | 190,000 | $168K |
| Geode Capital Management, LLC | 0.00% | Reduce -1.0% | 131,767 | $116K |
| Apexium Financial, LP | 0.00% | No change | 65,695 | $58K |
| Thompson Davis & Co., Inc. | 0.03% | New | 56,726 | $50K |
| Perkins Capital Management Inc. | 0.04% | No change | 47,300 | $42K |
| State Street Corp. | 0.00% | No change | 44,718 | $39K |
| Susquehanna International Group, LLP | 0.00% | New | 38,636 | $34K |
| Bank of New York Mellon Corp | 0.00% | No change | 31,540 | $28K |
| Citadel Advisors | 0.00% | Reduce -58.0% | 31,171 | $28K |
| XTX Topco Ltd | 0.00% | Add +144.5% | 25,211 | $22K |
| Northern Trust Corp. | 0.00% | Reduce -1.1% | 24,905 | $22K |
| BlackRock, Inc. | 0.00% | Reduce -64.3% | 20,260 | $18K |
| HighTower Advisors, LLC | 0.00% | No change | 10,000 | $9K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -8.3% | 5,464 | $5K |
| Group One Trading LLC | 0.00% | No change | 1,100 | $971 |
| Raymond James Financial Inc. | 0.00% | New | 700 | $617 |
| Bank of America Corp. | 0.00% | Add +13.9% | 123 | $109 |
"% of holder's portfolio" is IRIX's weight in each manager's 13F, not the share of Iridex Corp. the manager owns.