IRIDEX CORP (IRIX) Top Institutional Shareholders
IRIDEX CORP (IRIX) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $2.92M in IRIX holdings during the latest filing period.
Paragon Associates & Paragon Associates Ii Joint Venture is currently the largest disclosed institutional shareholder of IRIX tracked by InsiderSet, reporting ownership valued at approximately $1.01M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $1.17M, representing an estimated gain of +15.84% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 90% of the total disclosed IRIX value among the investors covered in this analysis. Major shareholders include Paragon Associates & Paragon Associates Ii Joint Venture, Vanguard Capital Management Llc, Renaissance Technologies LLC, and several other long-term asset managers with concentrated positions in IRIDEX CORP (IRIX).
This page ranks the largest institutional IRIX shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
25
Total Reported Value
$2.92M
Largest Holder
Paragon Associates & Paragon Associates Ii Joint Venture
Largest Position
$1.01M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
28
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Paragon Associates & Paragon Associates Ii Joint Venture | 1.37% | 1,000,000 | $1,010,000 | $1,170,000 | +$160,000 | +15.84% | |
| Vanguard Capital Management Llc | 0.00% | 514,593 | $519,739 | $602,074 | +$82,335 | +15.84% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 396,627 | $400,593 | $464,054 | +$63,461 | +15.84% |
| Weber Capital Management Llc | 0.26% | 259,558 | $262,154 | $303,683 | +$41,529 | +15.84% | |
| Geode Capital Management, Llc | 0.00% | 160,159 | $161,796 | $187,386 | +$25,590 | +15.82% | |
| Citadel Advisors Llc | 0.00% | 60,851 | $61,460 | $71,196 | +$9,736 | +15.84% | |
| Vanguard Fiduciary Trust Co | 0.00% | 60,155 | $60,757 | $70,381 | +$9,624 | +15.84% | |
| United Capital Financial Advisors, Llc | 0.00% | 57,529 | $58,104 | $67,309 | +$9,205 | +15.84% | |
| Perkins Capital Management Inc | 0.05% | 55,300 | $55,853 | $64,701 | +$8,848 | +15.84% | |
| Thompson Davis & Co., Inc. | 0.03% | 47,444 | $47,918 | $55,509 | +$7,591 | +15.84% | |
| State Street Corp | 0.00% | 44,718 | $45,165 | $52,320 | +$7,155 | +15.84% | |
| Jane Street Group, Llc | 0.00% | 37,634 | $38,010 | $44,032 | +$6,022 | +15.84% | |
| Goldman Sachs Group Inc | 0.00% | 37,621 | $37,997 | $44,017 | +$6,020 | +15.84% | |
| Diversify Wealth Management, Llc | 0.00% | 33,840 | $34,855 | $39,593 | +$4,738 | +13.59% | |
| Susquehanna International Group, Llp | 0.00% | 28,919 | $29,208 | $33,835 | +$4,627 | +15.84% | |
| Bank Of New York Mellon Corp | 0.00% | 25,649 | $25,905 | $30,009 | +$4,104 | +15.84% | |
| Northern Trust Corp | 0.00% | 21,308 | $21,521 | $24,930 | +$3,409 | +15.84% | |
| Blackrock, Inc. | 0.00% | 20,260 | $20,463 | $23,704 | +$3,241 | +15.84% | |
| Two Sigma Securities, Llc | 0.00% | 10,792 | $10,900 | $12,627 | +$1,727 | +15.84% | |
| Hightower Advisors, Llc | 0.00% | 10,000 | $10,100 | $11,700 | +$1,600 | +15.84% | |
| Vanguard Global Advisers, Llc | 0.00% | 3,963 | $4,003 | $4,637 | +$634 | +15.83% | |
| Tower Research Capital Llc (Trc) | 0.00% | 2,092 | $2,113 | $2,448 | +$335 | +15.84% | |
| Ubs Group Ag | 0.00% | 1,144 | $1,156 | $1,338 | +$182 | +15.79% | |
| Group One Trading Llc | 0.00% | 1,100 | $1,111 | $1,287 | +$176 | +15.84% | |
| Simplex Trading, Llc | 0.00% | 160 | $161 | $187 | +$26 | +16.27% |
Frequently asked questions about IRIX
Who owns the most IRIX stock?
The largest holders of IRIX are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for IRIDEX CORP (IRIX).
Is IRIX widely held by superinvestors?
Many widely followed stocks like IRIX appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly IRIX is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.