IRIDEX CORP (IRIX) Institutional Ownership Changes & 13F Activity
IRIDEX CORP (IRIX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Paragon Associates & Paragon Associates Ii Joint Venture, Morgan Stanley, Weber Capital Management Llc, Citadel Advisors Llc, and Jane Street Group, Llc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +38,099 | +62.6% | 98,950 | $113.30K | Q2 2026 | Sep 02, 2026 |
| United Capital Financial Advisors, Llc | Sell | -22,000 | -38.2% | 35,529 | $40.68K | Q2 2026 | Aug 17, 2026 |
| Xtx Topco Ltd | Buy | +29,190 | — | 29,190 | $33.42K | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +2,833 | +7.5% | 40,454 | $46.32K | Q2 2026 | Aug 14, 2026 |
| Susquehanna International Group, Llp | Sell | -1,460 | -5.0% | 27,459 | $31.44K | Q2 2026 | Aug 14, 2026 |
| Morgan Stanley | Buy | +305,193 | — | 305,193 | $349.45K | Q2 2026 | Aug 13, 2026 |
| Weber Capital Management Llc | Sell | -79,107 | -30.5% | 180,451 | $206.62K | Q2 2026 | Aug 13, 2026 |
| Renaissance Technologies LLC | Buy | +26,915 | +6.8% | 423,542 | $484.96K | Q2 2026 | Aug 13, 2026 |
| Centiva Capital, Lp | Buy | +13,920 | — | 13,920 | $15.94K | Q2 2026 | Aug 13, 2026 |
| Northern Trust Corp | Buy | +2,675 | +12.6% | 23,983 | $27.46K | Q2 2026 | Aug 13, 2026 |
| Ubs Group Ag | Sell | -282 | -24.7% | 862 | $987.00 | Q2 2026 | Aug 13, 2026 |
| Geode Capital Management, Llc | Sell | -21,199 | -13.2% | 138,960 | $159.15K | Q2 2026 | Aug 12, 2026 |
| Simplex Trading, Llc | Sell | -48 | -30.0% | 112 | $128.00 | Q2 2026 | Aug 12, 2026 |
| Tower Research Capital Llc (Trc) | Buy | +1,003 | +47.9% | 3,095 | $3.54K | Q2 2026 | Aug 11, 2026 |
| Diversify Advisory Services, Llc | Buy | +33,840 | — | 33,840 | $30.08K | Q2 2026 | Aug 10, 2026 |
| Caitong International Asset Management Co., Ltd | Buy | +10 | — | 10 | $11.00 | Q2 2026 | Aug 05, 2026 |
| Citigroup Inc | Buy | +14,172 | — | 14,172 | $16.23K | Q2 2026 | Aug 03, 2026 |
| Thompson Davis & Co., Inc. | Sell | -32,000 | -67.4% | 15,444 | $17.68K | Q2 2026 | Jul 29, 2026 |
| Perkins Capital Management Inc | Buy | +15,500 | +28.0% | 70,800 | $81.07K | Q2 2026 | Jul 24, 2026 |
| Sbi Securities Co., Ltd. | Buy | +5 | — | 5 | $6.00 | Q2 2026 | Jul 23, 2026 |
| Paragon Associates & Paragon Associates Ii Joint Venture | Sell | -1,000,000 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Two Sigma Securities, Llc | Sell | -10,792 | -100.0% | 0 | $0.00 | Q2 2026 | May 15, 2026 |
| Jane Street Group, Llc | Sell | -37,634 | -100.0% | 0 | $0.00 | Q2 2026 | May 12, 2026 |
| Hightower Advisors, Llc | Sell | -10,000 | -100.0% | 0 | $0.00 | Q2 2026 | May 05, 2026 |
Frequently asked questions about IRIX activity
Which institutional owners are buying IRIX?
Institutional owners buying IRIX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in IRIX activity?
"Buy" means an investor increased their reported position in IRIX compared to the prior reporting period. This reflects growing exposure to IRIDEX CORP (IRIX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in IRIX increasing?
Institutional interest in IRIX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related IRIX Institutional Insights
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- Institutional Portfolio Overlap & Shared Holdings
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- IRIX Insider Trading & SEC Form 4 Activity
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