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Calix, Inc

CALX
Exchange
NYSE
Industry
Communications Services, NEC
SEC CIK
0001406666

In the last 90 days, Calix, Inc insiders filed 0 open-market purchases and 1 sale; 287 institutions reported holding it in 13F filings for Q2 2026, worth $2.27B in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Calix, Inc as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
332
+25 vs. Q3 2025
Shares held
58.8M
+2.30M (+4.1%) vs. Q3 2025
Total value
$3.11B
−$354.8M (−10.2%) vs. Q3 2025
New holders
59
127 more added
Sold out
34
101 more reduced

7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CALX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 332 institutions
Q1 2021: 199 institutionsQ2 2021: 183 institutionsQ3 2021: 191 institutionsQ4 2021: 215 institutionsQ1 2022: 230 institutionsQ2 2022: 203 institutionsQ3 2022: 231 institutionsQ4 2022: 274 institutionsQ1 2023: 272 institutionsQ2 2023: 267 institutionsQ3 2023: 277 institutionsQ4 2023: 263 institutionsQ1 2024: 260 institutionsQ2 2024: 254 institutionsQ3 2024: 241 institutionsQ4 2024: 253 institutionsQ1 2025: 260 institutionsQ2 2025: 296 institutionsQ3 2025: 314 institutionsQ4 2025: 332 institutionsQ1 2026: 310 institutionsQ2 2026: 287 institutions
Value heldQ4 2025: $3.11B
Q1 2021: $1.71BQ2 2021: $2.31BQ3 2021: $2.50BQ4 2021: $4.12BQ1 2022: $2.26BQ2 2022: $1.82BQ3 2022: $3.31BQ4 2022: $3.70BQ1 2023: $2.90BQ2 2023: $2.71BQ3 2023: $2.51BQ4 2023: $2.48BQ1 2024: $1.91BQ2 2024: $2.04BQ3 2024: $2.21BQ4 2024: $2.00BQ1 2025: $2.00BQ2 2025: $2.97BQ3 2025: $3.48BQ4 2025: $3.11BQ1 2026: $2.94BQ2 2026: $2.27B
Institutions holding CALX and their total value by quarter
QuarterHoldersValue
Q2 2026287$2.27B
Q1 2026310$2.94B
Q4 2025332$3.11B
Q3 2025314$3.48B
Q2 2025296$2.97B
Q1 2025260$2.00B
Q4 2024253$2.00B
Q3 2024241$2.21B
Q2 2024254$2.04B
Q1 2024260$1.91B
Q4 2023263$2.48B
Q3 2023277$2.51B
Q2 2023267$2.71B
Q1 2023272$2.90B
Q4 2022274$3.70B
Q3 2022231$3.31B
Q2 2022203$1.82B
Q1 2022230$2.26B
Q4 2021215$4.12B
Q3 2021191$2.50B
Q2 2021183$2.31B
Q1 2021199$1.71B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Calix, Inc; share changes are against Q3 2025.

Institutions holding CALX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Crossmark Global Holdings, Inc.4,327$229.0K0.00%00.0%Unchanged
Hancock Whitney Corp4,426$234.3K0.00%−253−5.4%Reduced
Royal Bank of Canada4,419$235.0K0.00%+2,296+108.1%Added
O'Shaughnessy Asset Management, LLC4,522$239.3K0.00%+992+28.1%Added
Vise Technologies, Inc.4,524$239.5K0.00%+904+25.0%Added
Farringdon Capital, Ltd.4,540$240.3K0.06%+4,540New
Ensign Peak Advisors, Inc4,563$241.5K0.00%−9,400−67.3%Reduced
CI Private Wealth, LLC4,566$241.7K0.00%+20.0%Added
Xponance, Inc.4,789$253.5K0.00%+161+3.5%Added
Ameritas Investment Partners, Inc.4,929$260.9K0.01%00.0%Unchanged
MQS Management LLC5,029$266.2K0.16%+5,029New
Cambridge Investment Research Advisors, Inc.5,090$269.0K0.00%−2,704−34.7%Reduced
Mercer Global Advisors Inc5,175$273.9K0.00%+54+1.1%Added
MML Investors Services, LLC5,334$282.3K0.00%−200−3.6%Reduced
Cornerstone Investment Partners, LLC5,360$283.7K0.01%+3+0.1%Added
Armistice Capital, LLC5,537$293.1K0.01%+5,537New
Jefferies Financial Group Inc.5,613$297.1K0.00%+5,613New
Swiss Life Asset Management Ltd6,019$318.6K0.00%+6,019New
Enterprise Financial Services Corp6,082$321.9K0.16%+1,682+38.2%Added
Kera Capital Partners, Inc.7,363$328.9K0.04%00.0%Unchanged
Inceptionr LLC6,216$329.0K0.09%+6,216New
Bank of Montreal6,253$331.0K0.00%−4,445−41.5%Reduced
PharVision Advisers, LLC6,317$334.4K0.17%+6,317New
Pacer Advisors, Inc.6,520$345.1K0.00%+2,888+79.5%Added
Quantinno Capital Management LP6,540$346.2K0.00%+810+14.1%Added
Marex Group plc6,545$346.4K0.00%+6,545New
Verition Fund Management LLC6,690$354.1K0.00%+1,089+19.4%Added
Mutual of America Capital Management LLC6,893$364.8K0.00%+236+3.5%Added
Atria Investments LLC6,927$366.6K0.00%−1,414−17.0%Reduced
Occudo Quantitative Strategies LP6,986$369.8K0.02%−2,909−29.4%Reduced
Public Employees Retirement Association of Colorado7,035$372.0K0.00%00.0%Unchanged
Marshall Wace, LLP7,254$384.0K0.00%+3,225+80.0%Added
Capstone Investment Advisors, LLC7,393$391.3K0.00%+2,782+60.3%Added
LPL Financial LLC8,152$431.5K0.00%−1,169−12.5%Reduced
Schonfeld Strategic Advisors LLC8,530$451.5K0.00%−63,146−88.1%Reduced
Globeflex Capital L P8,660$458.4K0.07%+8,660New
Cetera Investment Advisers8,770$464.2K0.00%+8,770New
Maryland State Retirement & Pension System8,813$466.5K0.01%+270+3.2%Added
CWM Advisors, LLC8,813$466.5K0.04%+1,342+18.0%Added
Victory Capital Management Inc8,977$475.2K0.00%+116+1.3%Added
Yorktown Management & Research Co Inc9,000$476.4K0.38%00.0%Unchanged
OV Management LLC9,003$476.5K0.41%−138−1.5%Reduced
Pictet Asset Management Holding SA9,117$482.6K0.00%+795+9.6%Added
Portside Wealth Group, LLC9,308$492.7K0.07%−445−4.6%Reduced
Brookwood Investment Group LLC9,519$503.8K0.06%+9,519New
LVW Advisors, LLC9,655$511.0K0.05%+188+2.0%Added
Formula Growth Ltd10,000$529.3K0.20%00.0%Unchanged
Diversified Trust Co10,147$537.1K0.01%+10,147New
Resona Asset Management Co.,Ltd.10,385$549.7K0.00%−471−4.3%Reduced
Vident Advisory, LLC10,570$559.5K0.01%+287+2.8%Added
The PNC Financial Services Group, Inc.10,710$566.9K0.00%+5,404+101.8%Added
Schroder Investment Management Group11,337$600.7K0.00%00.0%Unchanged
Gibbs Wealth Management11,761$608.5K0.15%−2,863−19.6%Reduced
Huntleigh Advisors, Inc.11,652$616.7K0.10%+613+5.6%Added
ProShare Advisors LLC11,725$620.6K0.00%+603+5.4%Added
Magnetar Financial LLC11,844$626.9K0.01%+3,804+47.3%Added
Robeco Institutional Asset Management B.V.11,975$633.8K0.00%+105+0.9%Added
Verdad Advisers, LP12,313$651.7K0.75%+12,313New
Zurcher Kantonalbank (Zurich Cantonalbank)12,352$653.8K0.00%00.0%Unchanged
State of Wyoming12,572$665.4K0.07%−793−5.9%Reduced
Twinbeech Capital LP12,770$675.9K0.05%+12,770New
DRW Securities, LLC12,959$685.9K0.05%+12,959New
KLP Kapitalforvaltning AS13,300$704.0K0.00%00.0%Unchanged
Kornitzer Capital Management Inc13,562$717.8K0.01%+57+0.4%Added
Freestone Grove Partners LP13,753$727.9K0.01%+13,753New
Oregon Public Employees Retirement Fund13,800$730.4K0.01%+400+3.0%Added
Los Angeles Capital Management LLC11,389$774.9K0.00%+11,389New
Teachers Retirement System of the State of Kentucky14,807$783.0K0.01%−1,464−9.0%Reduced
BNP Paribas Arbitrage, SA14,826$784.7K0.00%−5,763−28.0%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys14,931$790.3K0.00%−203−1.3%Reduced
Citigroup Inc15,017$794.9K0.00%−28,126−65.2%Reduced
Police & Firemen's Retirement System of New Jersey16,299$862.7K0.01%−26−0.2%Reduced
State Board of Administration of Florida Retirement System16,883$893.6K0.00%00.0%Unchanged
Arizona State Retirement System17,256$913.4K0.00%−967−5.3%Reduced
Williamson Legacy Group, LLC17,336$917.6K0.72%−861−4.7%Reduced
Summit Global Investments17,335$918.0K0.05%−4,560−20.8%Reduced
Amalgamated Bank17,529$928.0K0.01%+611+3.6%Added
Yousif Capital Management, LLC16,209$928.6K0.01%−2,109−11.5%Reduced
Handelsbanken Fonder AB18,000$953.0K0.00%00.0%Unchanged
Landscape Capital Management, L.L.C.18,220$964.4K0.06%+1,843+11.3%Added
Guggenheim Capital LLC18,526$980.6K0.01%+14,539+364.7%Added
HSBC Holdings PLC18,493$984.6K0.00%−4,371−19.1%Reduced
SG Americas Securities, LLC19,314$1.02M0.00%−57−0.3%Reduced
Two Sigma Investments, LP19,565$1.04M0.00%+1,300+7.1%Added
STRS Ohio20,300$1.07M0.00%+1,300+6.8%Added
Graham Capital Management, L.P.20,353$1.08M0.04%−1,346−6.2%Reduced
Winton Group Ltd20,712$1.10M0.04%+2,192+11.8%Added
Lazard Asset Management LLC21,400$1.13M0.00%−11,465−34.9%Reduced
Two Sigma Advisers, LP22,300$1.18M0.00%+22,300New
Federation des caisses Desjardins du Quebec22,320$1.18M0.00%+493+2.3%Added
Integrated Quantitative Investments LLC22,961$1.22M0.26%+22,961New
Calamos Advisors LLC23,409$1.24M0.01%−1,598−6.4%Reduced
Stifel Financial Corp23,619$1.25M0.00%−1,606−6.4%Reduced
Mirae Asset Global Investments Co., Ltd.24,894$1.32M0.00%00.0%Unchanged
Jackson Square Capital, LLC25,486$1.35M0.27%00.0%Unchanged
Fox Run Management, L.L.C.26,257$1.39M0.21%+21,799+489.0%Added
Legato Capital Management LLC26,410$1.40M0.12%+10,685+67.9%Added
Janus Henderson Group PLC27,234$1.44M0.00%00.0%Unchanged
State of Tennessee, Treasury Department32,606$1.46M0.00%−39−0.1%Reduced
Natixis27,558$1.46M0.01%+27,100+5,917.0%Added