CALIX INC (CALX) Institutional Ownership Changes & 13F Activity

CALIX INC (CALX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Alliancebernstein L.P., Price T Rowe Associates Inc, Point72 Asset Management, L.P., Millennium Management Llc, and Citadel Advisors Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Neuberger Berman Group LlcSell-253,237-100.0%0$0.00Q1 2026Oct 27, 2026
Mirae Asset Global Investments Co., Ltd.Sell-2,265-9.1%22,629$1.11MQ1 2026Aug 12, 2026
Algert Global LlcSell-117,936-100.0%0$0.00Q1 2026Aug 11, 2026
Wells Fargo & Company/MnSell-41,444-57.6%30,461$1.49MQ1 2026Jul 08, 2026
Bank Of America CorpBuy+290,661+63.3%750,117$36.75MQ1 2026May 18, 2026
Edgestream Partners, L.P.Buy+75,751—75,751$3.71MQ1 2026May 18, 2026
AmundiSell-45,551-72.0%17,698$867.02KQ1 2026May 18, 2026
California State Teachers Retirement SystemBuy+18,755+32.6%76,344$3.74MQ1 2026May 18, 2026
Alliancebernstein L.P.Buy+1,788,757+122.3%3,251,128$172.08MQ1 2026May 15, 2026
Price T Rowe Associates IncSell-621,435-90.3%66,751$3.27MQ1 2026May 15, 2026
Point72 Asset Management, L.P.Buy+513,814—513,814$25.17MQ1 2026May 15, 2026
Millennium Management LlcBuy+462,060+32.0%1,903,972$93.28MQ1 2026May 15, 2026
Citadel Advisors LlcBuy+382,357+834.1%428,198$20.98MQ1 2026May 15, 2026
Squarepoint Ops LlcBuy+331,027+259.1%458,802$22.48MQ1 2026May 15, 2026
Divisadero Street Capital Management, LpBuy+305,670—305,670$14.97MQ1 2026May 15, 2026
Qube Research & Technologies LtdSell-261,010-55.3%211,036$10.34MQ1 2026May 15, 2026
State Street CorpBuy+239,368+10.1%2,602,333$127.64MQ1 2026May 15, 2026
Jacobs Levy Equity Management, IncSell-203,716-47.9%221,882$10.87MQ1 2026May 15, 2026
Nomura Asset Management International Inc.Buy+169,174+43.6%556,995$27.29MQ1 2026May 15, 2026
Man Group PlcBuy+166,006+145.2%280,313$13.73MQ1 2026May 15, 2026
Two Sigma Investments, LpBuy+141,890+725.2%161,455$7.91MQ1 2026May 15, 2026
Trexquant Investment LpBuy+119,529+38.6%429,367$21.03MQ1 2026May 15, 2026
Nearwater Capital Markets, LtdBuy+118,200—118,200$5.79MQ1 2026May 15, 2026
Gilder Gagnon Howe & Co LlcSell-108,835-12.3%779,092$38.17MQ1 2026May 15, 2026
Wellington Management Group LlpSell-105,212-16.4%534,517$26.19MQ1 2026May 15, 2026
G2 Investment Partners Management LlcSell-100,458-38.5%160,542$7.86MQ1 2026May 15, 2026
Goldman Sachs Group IncSell-94,268-23.5%307,468$15.06MQ1 2026May 15, 2026
Oberweis Asset Management Inc/Buy+90,430+37.0%335,030$16.41MQ1 2026May 15, 2026
Morgan StanleyBuy+89,338+14.3%712,213$34.89MQ1 2026May 15, 2026
Barclays PlcSell-86,503-88.0%11,819$579.01KQ1 2026May 15, 2026
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Frequently asked questions about CALX activity

  • Which institutional owners are buying CALX?

    Institutional owners buying CALX 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 CALX activity?

    "Buy" means an investor increased their reported position in CALX compared to the prior reporting period. This reflects growing exposure to CALIX INC (CALX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CALX increasing?

    Institutional interest in CALX 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.