CALIX, INC (CALX) Stock
5 of the hedge funds AlphaScala tracks reported CALX in 13F filings for the quarter ended Jun 30, 2026; the largest reported position is Citadel's at $45.11M. Company insiders reported 0 open-market buys and 1 sale on SEC Form 4 in the 90 days to Oct 21, 2026.
Which hedge funds own CALX?
From 13F filings| Fund | Shares Held | Position Value | Change vs prior Q |
|---|---|---|---|
| Citadel Ken Griffin | 1.21M | $45.11M | +182% |
| Millennium Management Israel Englander | 699K | $26.07M | -63% |
| Renaissance Technologies Jim Simons (founder) | 548K | $20.46M | +1% |
| D.E. Shaw David Shaw | 409K | $15.27M | +1841% |
| Marshall Wace | 14K | $527.2K | NEW |
13F holdings as of Jun 30, 2026
Explore all tracked funds →Are CALIX, INC insiders buying or selling?
SEC Form 4 filings| Date | Insider | Role | Type | Shares | Value |
|---|---|---|---|---|---|
| Jul 27, 26 | Russo Carl | Director | SELL | 75.0K | $2.7M |
SEC Form 4 filings as of Oct 21, 2026
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Powered by TradingViewWhat does CALIX, INC do?
Calix Inc. is a leading technology company specializing in cloud and software platforms, systems, and services. Its primary function is to enable broadband communications service providers to deliver a comprehensive range of services to residential and commercial customers. Calix's solutions are pivotal in the telecommunications industry, particularly in fiber access, home automation, and managed services. Through its extensive ecosystem, it supports providers in optimizing network performance and enhancing subscriber experiences. The company's offerings include solutions for next-generation networks that support both fixed and mobile services, aligning with the increasing demand for high-speed internet and smart home devices. Founded in 1999 and headquartered in San Jose, California, Calix plays a significant role in the telecommunications landscape, empowering service providers to innovate and expand efficiently in a rapidly evolving market.