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Who owns Calix (CALX) stock

277 funds reported Calix (CALX) shares in their latest 13F filings, worth $2.6B in all. The largest holder is BlackRock ($439M). Last quarter 128 funds added to their stakes and 156 cut them.

Largest holders of CALX (13F)Largest holders of CALX (13F)BlackRock$439MVanguard Group$439MVanguard Portfolio Management LLC$209MAlliancebernstein L.P.$159MState Street$109MVanguard Capital Management LLC$96.6MGeode Capital Management, LLC$55.3MWestfield Capital Management Co LP$49.4MDimensional Fund Advisors LP$48.9MAcadian Asset Management LLC$46.3M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock11,775,490$439Mincrease2026-06-30
Vanguard Group8,302,450$439Mdecrease2025-12-31
Vanguard Portfolio Management LLC5,588,048$209Mincrease2026-06-30
Alliancebernstein L.P.3,248,412$159Mdecrease2026-06-30
State Street2,915,560$109Mincrease2026-06-30
Vanguard Capital Management LLC2,587,424$96.6Mdecrease2026-06-30
Geode Capital Management, LLC1,481,595$55.3Mincrease2026-06-30
Westfield Capital Management Co LP1,324,534$49.4Mdecrease2026-06-30
Dimensional Fund Advisors LP1,309,436$48.9Mincrease2026-06-30
Acadian Asset Management LLC1,241,622$46.3Mincrease2026-06-30
Citadel Advisors LLC1,208,764$45.1Mincrease2026-06-30
Arrowstreet Capital, Limited Partnership875,837$32.7Mincrease2026-06-30
UBS Group AG857,360$32.0Mincrease2026-06-30
Loomis Sayles & Co L P784,798$29.3Mdecrease2026-06-30
Mirae Asset Global ETFS Holdings753,302$28.1Mincrease2026-06-30

Calix's latest quarter

Calix, Q3 2026: revenue $302M (+14% year over year), operating margin 5.5%, net earnings $10.2M, operating cash flow $6.3M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most CALX stock?

By the latest 13F filings: BlackRock ($439M); Vanguard Group ($439M); Vanguard Portfolio Management LLC ($209M); Alliancebernstein L.P. ($159M); State Street ($109M).

What is the short interest in CALX?

5,122,229 shares were sold short at the 2026-10-15 settlement, -3.93% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.