InvestorLens

CALX — CALIX INC

Public company

Sign in to save4 tracked investors reported this
For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About CALIX INC (CALX)

CALIX INC (CALX) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $93M. Across recent filings, tracked investors recorded 6 new positions, 1 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in CALX

88
/100
Strong Institutional Accumulation
Added / Increased7
Reduced0
Exited1
BearishBullish
Crowded Trade Score™

How many top investors track CALX

27
/100
Emerging Interest
4investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

CALX Ownership Composition

How CALIX INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Other
83% of tracked value
Institutions
4
tracked investors
Total Reported
$144.6M
combined 13F value
Sectors2
  • Other82.6%
  • Hedge Funds17.4%
Other(3)
82.6%
Hedge Funds(1)
17.4%

Tracked investors reporting CALX

  • Izzy EnglanderMar 31, 2026
    Millennium Management
    Shares
    1.9M
    Value
    $93.3M
    % Portfolio
    0.04%
  • Steve CohenMar 31, 2026
    Point72 Asset Management
    Shares
    513.8K
    Value
    $25.2M
    % Portfolio
    0.03%
  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    463.4K
    Value
    $22.7M
    % Portfolio
    0.00%
  • Ray DalioDec 31, 2025
    Bridgewater Associates
    Shares
    65.5K
    Value
    $3.5M
    % Portfolio
    0.05%

Recent activity

Frequently asked questions

How many institutional investors hold CALX?
4 tracked institutional investors disclosed a position in CALX (CALIX INC) in their most recent 13F filing.
Who is the largest institutional holder of CALX?
Izzy Englander, Millennium Management, holds the largest disclosed position in CALX, valued at $93M.
Did institutional ownership of CALX increase or decrease?
Across recent 13F filings, tracked investors recorded 6 new positions, 1 increased, 0 reduced, and 1 fully exited CALX.
Where does this CALX ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.