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Calix, Inc. (CALX) Institutional Ownership & Insider Trading

287 institutions reported holding Calix, Inc. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 1 insider trades on Form 4.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

CALXCalix, Inc.Follow CALX — free
Software - Infrastructure · Technology
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Price chart with a free account
Market cap
2.3B
P/E TTM
48.6
Dividend yield
0.0%
52-week
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Next earnings
2 Nov, in 9 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

287 institutions held 95.4% of the shares. Across filers that reported both quarters, shares held changed +0.7%.

Increased+104New+29Decreased-103Closed-49

Largest moves, shares (millions)

Citadel Advisors+0.8MBlackRock+0.6MTwo Sigma Investments+0.5MCongress Asset Management-1.6MMillennium Management-1.2MArtisan Partners Limited…-0.5M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-1.5Sep 24-0.6Dec 24-0.4Mar 25-0.4Jun 25+1.2Sep 25+2.7Dec 25-0.7Mar 26+0.4Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 2628760+0.7%1042910349
Mar 2630760-1.3%116329357
Dec 2532860+4.8%112418927
Sep 2530957+2.2%101428926
Jun 2529356-0.8%91619622
Mar 2525556-0.7%85278326
Dec 2424957-1.0%83327629
Sep 2423857-3.1%94206831

Calix, Inc. — questions

Who owns Calix, Inc. stock?
287 institutions reported Calix, Inc. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (18.7%), VANGUARD PORTFOLIO MANAGEMENT LLC (8.9%), ALLIANCEBERNSTEIN L.P. (5.2%).
Are Calix, Inc. insiders buying or selling?
1 insider trades on Form 4; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Calix, Inc.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.