# IRIDEX CORP (IRIX)

> Institutional ownership reported to the SEC as of Q2 2026, from Form 13F filings. Source: https://holderbook.com/stocks/IRIX/

- Reporting holders: 29
- Reported value: $2.6M
- Shares held by institutions: 2,313,917 of 17,564,912 outstanding
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [VANGUARD CAPITAL MANAGEMENT LLC](https://holderbook.com/funds/2100119-vanguard-capital-management-llc/) | $589.2K | 514,593 | 0.0% | 2 |
| [RENAISSANCE TECHNOLOGIES LLC](https://holderbook.com/funds/1037389-renaissance-technologies-llc/) | $485.0K | 423,542 | 0.0% | 31 |
| [MORGAN STANLEY](https://holderbook.com/funds/895421-morgan-stanley/) | $349.4K | 305,193 | 0.0% | 1 |
| [CITADEL ADVISORS LLC](https://holderbook.com/funds/1423053-citadel-advisors-llc/) | $226.6K | 197,900 | 0.0% | 15 |
| [WEBER CAPITAL MANAGEMENT LLC /ADV](https://holderbook.com/funds/1099905-weber-capital-management-llc-adv/) | $206.6K | 180,451 | 0.2% | 3 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://holderbook.com/funds/1214717-geode-capital-management-llc/) | $159.2K | 138,960 | 0.0% | 31 |
| [STATE STREET CORP](https://holderbook.com/funds/93751-state-street-corp/) | $102.4K | 89,436 | 0.0% | 21 |
| [PERKINS CAPITAL MANAGEMENT INC](https://holderbook.com/funds/884300-perkins-capital-management-inc/) | $81.1K | 70,800 | 0.1% | 30 |
| [VANGUARD FIDUCIARY TRUST CO](https://holderbook.com/funds/933478-vanguard-fiduciary-trust-co/) | $68.9K | 60,155 | 0.0% | 2 |
| [GOLDMAN SACHS GROUP INC](https://holderbook.com/funds/886982-goldman-sachs-group-inc/) | $46.3K | 40,454 | 0.0% | 4 |
| [UNITED CAPITAL FINANCIAL ADVISORS, LLC](https://holderbook.com/funds/1463217-united-capital-financial-advisors-llc/) | $40.7K | 35,529 | 0.0% | 3 |
| [XTX Topco Ltd](https://holderbook.com/funds/1828301-xtx-topco-ltd/) | $33.4K | 29,190 | 0.0% | 1 |
| [SUSQUEHANNA INTERNATIONAL GROUP, LLP](https://holderbook.com/funds/1446194-susquehanna-international-group-llp/) | $31.4K | 27,459 | 0.0% | 5 |
| [Diversify Advisory Services, LLC](https://holderbook.com/funds/2021232-diversify-advisory-services-llc/) | $30.1K | 33,840 | 0.0% | 1 |
| [DIVERSIFY WEALTH MANAGEMENT, LLC](https://holderbook.com/funds/2030780-diversify-wealth-management-llc/) | $30.1K | 33,840 | 0.0% | 2 |
| [Bank of New York Mellon Corp](https://holderbook.com/funds/1390777-bank-of-new-york-mellon-corp/) | $29.4K | 25,649 | 0.0% | 20 |
| [NORTHERN TRUST CORP](https://holderbook.com/funds/73124-northern-trust-corp/) | $27.5K | 23,983 | 0.0% | 31 |
| [BlackRock, Inc.](https://holderbook.com/funds/2012383-blackrock-inc/) | $23.2K | 20,260 | 0.0% | 8 |
| [THOMPSON DAVIS & CO., INC.](https://holderbook.com/funds/1017284-thompson-davis-co-inc/) | $17.7K | 15,444 | 0.0% | 3 |
| [CITIGROUP INC](https://holderbook.com/funds/831001-citigroup-inc/) | $16.2K | 14,172 | 0.0% | 1 |
| [Centiva Capital, LP](https://holderbook.com/funds/1692507-centiva-capital-lp/) | $15.9K | 13,920 | 0.0% | 1 |
| [HighTower Advisors, LLC](https://holderbook.com/funds/1462245-hightower-advisors-llc/) | $11.4K | 10,000 | 0.0% | 26 |
| [Vanguard Global Advisers, LLC](https://holderbook.com/funds/1811242-vanguard-global-advisers-llc/) | $4.5K | 3,963 | 0.0% | 2 |
| [Tower Research Capital LLC (TRC)](https://holderbook.com/funds/1533421-tower-research-capital-llc-trc/) | $3.5K | 3,095 | 0.0% | 2 |
| [GROUP ONE TRADING LLC](https://holderbook.com/funds/932540-group-one-trading-llc/) | $1.3K | 1,100 | 0.0% | 11 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2026 | 29 | $2.6M |
| Q1 2026 | 25 | $2.9M |
| Q4 2025 | 22 | $3.2M |
| Q3 2025 | 21 | $3.2M |
| Q2 2025 | 20 | $2.4M |
| Q1 2025 | 23 | $3.2M |
| Q4 2024 | 26 | $5.4M |
| Q3 2024 | 28 | $5.9M |
| Q2 2024 | 29 | $7.2M |
| Q1 2024 | 29 | $10.3M |
| Q4 2023 | 31 | $9.4M |
| Q3 2023 | 32 | $9.2M |