IRIDEX CORP (IRIX) Institutional Buying Activity

Institutional investors tracked by InsiderSet increased exposure to IRIDEX CORP (IRIX) during the quarter ended March 31, 2026 through a combination of new purchases and expanded existing positions disclosed in SEC Form 13F filings.

The largest institutional buyer of IRIX during the latest reporting period was Renaissance Technologies LLC, which increased its reported IRIX position by approximately $25,317.653 based on quarter-end filing values. Several additional hedge funds and long-term asset managers also reported meaningful increases in IRIX exposure during the quarter.

Institutional buying activity can provide insight into investor conviction, sector allocation trends, and smart money positioning toward IRIDEX CORP (IRIX). InsiderSet tracks quarterly accumulation trends, new institutional positions, ownership increases, and estimated performance of newly disclosed holdings using SEC filing data and recent market prices.

The investors highlighted on this page collectively added approximately $41,074.889 in reported IRIX exposure during the latest filing period, reflecting continued institutional interest in IRIDEX CORP's growth initiatives and strategic positioning.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy25,067396,627$400,593
Q3 2025Renaissance Technologies LLCBuy10,300389,060$443,723
Q4 2023Renaissance Technologies LLCBuy2,000415,060$1,166
Q2 2021Renaissance Technologies LLCBuy15,600657,560$4,642
Q4 2020Renaissance Technologies LLCBuy146,178666,419$1,673
Q3 2020Renaissance Technologies LLCBuy14,322520,241$1,020
Q2 2020Renaissance Technologies LLCBuy17,600505,919$1,073
Q1 2020Renaissance Technologies LLCBuy15,666488,319$774
Q4 2019Renaissance Technologies LLCBuy33,101472,653$1,054
Q3 2019Renaissance Technologies LLCBuy53,690439,552$813
Q2 2019Renaissance Technologies LLCBuy10,808385,862$1,756
Q1 2019Renaissance Technologies LLCBuy11,254375,054$1,710
Q4 2018Renaissance Technologies LLCBuy28,300363,800$1,710
Q3 2018Renaissance Technologies LLCBuy43,000335,500$2,130
Q1 2018Renaissance Technologies LLCBuy19,600292,500$1,673
Q4 2017Renaissance Technologies LLCBuy31,000272,900$2,079
Q2 2017Renaissance Technologies LLCBuy42,696243,000$2,403
Q1 2017Renaissance Technologies LLCBuy4,404200,304$2,378
Q3 2015Renaissance Technologies LLCBuy21,087254,900$1,940
Q2 2015Renaissance Technologies LLCBuy14,013233,813$1,929
Q1 2015Renaissance Technologies LLCBuy9,100219,800$2,347
Q4 2014Renaissance Technologies LLCBuy8,200210,700$1,812
Q3 2014Renaissance Technologies LLCBuy14,900202,500$1,418
Q2 2014Renaissance Technologies LLCBuy17,600187,600$1,559
Q1 2014Renaissance Technologies LLCBuy8,900170,000$1,518
Q4 2013Renaissance Technologies LLCBuy49,100161,100$1,638
Q3 2013Renaissance Technologies LLCBuy5,000112,000$664
Q2 2013Renaissance Technologies LLCBuy107,000107,000$632

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.

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