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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, Q3 2025

Institutional positions in Calix, Inc as of Sep 30, 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
314
+22 vs. Q2 2025
Shares held
56.7M
+955.3K (+1.7%) vs. Q2 2025
Total value
$3.48B
+$514.0M (+17.4%) vs. Q2 2025
New holders
52
112 more added
Sold out
30
101 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 314 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 heldQ3 2025: $3.48B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Calix, Inc; share changes are against Q2 2025.

Institutions holding CALX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Enterprise Financial Services Corp4,400$270.0K0.14%00.0%Unchanged
CIBC Asset Management Inc4,442$272.6K0.00%00.0%Unchanged
Fox Run Management, L.L.C.4,458$273.6K0.04%−10,759−70.7%Reduced
CI Private Wealth, LLC4,564$280.1K0.00%+117+2.6%Added
Summit Wealth Group LLC6,155$282.1K0.04%+6,155New
Capstone Investment Advisors, LLC4,611$283.0K0.00%−985−17.6%Reduced
Xponance, Inc.4,628$284.0K0.00%+54+1.2%Added
Rational Advisors LLC4,637$284.6K0.03%+4,637New
Hancock Whitney Corp4,679$287.2K0.01%+4,679New
Ameritas Investment Partners, Inc.4,929$302.5K0.01%−1,094−18.2%Reduced
Needham Investment Management LLC5,000$306.9K0.02%−35,000−87.5%Reduced
Mercer Global Advisors Inc5,121$314.3K0.00%+168+3.4%Added
Evergreen Capital Management LLC5,212$319.9K0.01%+1,027+24.5%Added
The PNC Financial Services Group, Inc.5,306$325.6K0.00%+2,411+83.3%Added
Cornerstone Investment Partners, LLC5,357$328.8K0.01%−400−6.9%Reduced
Ieq Capital, LLC5,487$336.7K0.00%00.0%Unchanged
MML Investors Services, LLC5,534$339.6K0.00%−327−5.6%Reduced
Verition Fund Management LLC5,601$343.7K0.00%−5,464−49.4%Reduced
Quantinno Capital Management LP5,730$351.6K0.00%+1,781+45.1%Added
Point72 (DIFC) Ltd5,764$353.7K0.02%+5,764New
Bayforest Capital Ltd5,808$356.4K0.17%+5,592+2,588.9%Added
Wolverine Trading, LLC6,210$381.2K0.01%+6,210New
CIBC Bancorp USA Inc.6,289$386.0K0.00%+6,289New
Mutual of America Capital Management LLC6,657$408.5K0.00%−754−10.2%Reduced
First Trust Advisors LP6,677$409.8K0.00%+6,677New
Public Employees Retirement Association of Colorado7,035$432.0K0.00%−10−0.1%Reduced
Kera Capital Partners, Inc.7,363$451.9K0.07%00.0%Unchanged
CWM Advisors, LLC7,471$458.5K0.04%+155+2.1%Added
Cambridge Investment Research Advisors, Inc.7,794$478.0K0.00%+7,794New
Magnetar Financial LLC8,040$493.4K0.00%−11,870−59.6%Reduced
Pictet Asset Management Holding SA8,322$510.7K0.00%00.0%Unchanged
Atria Investments LLC8,341$511.9K0.01%−1,043−11.1%Reduced
Campbell & CO Investment Adviser LLC8,352$512.6K0.04%−8,753−51.2%Reduced
Two Sigma Securities, LLC8,519$522.8K0.08%+8,519New
Maryland State Retirement & Pension System8,543$524.3K0.01%−8,411−49.6%Reduced
Victory Capital Management Inc8,861$543.8K0.00%−4,601−34.2%Reduced
Yorktown Management & Research Co Inc9,000$552.3K0.44%00.0%Unchanged
OV Management LLC9,141$561.0K0.48%+88+1.0%Added
Semanteon Capital Management, LP9,296$570.5K0.72%+9,296New
LPL Financial LLC9,321$572.0K0.00%−32−0.3%Reduced
LVW Advisors, LLC9,467$581.0K0.06%−104−1.1%Reduced
Portside Wealth Group, LLC9,753$598.5K0.08%+1,738+21.7%Added
Occudo Quantitative Strategies LP9,895$607.3K0.07%−85−0.9%Reduced
Formula Growth Ltd10,000$613.7K0.22%00.0%Unchanged
Amundi10,364$626.7K0.00%+583+6.0%Added
Vident Advisory, LLC10,283$631.1K0.01%+5,885+133.8%Added
Bank of Montreal10,698$656.5K0.00%−2,531−19.1%Reduced
Resona Asset Management Co.,Ltd.10,856$666.2K0.00%+10,856New
Dynamic Technology Lab Private Ltd10,891$668.0K0.11%+10,891New
Huntleigh Advisors, Inc.11,039$677.5K0.12%+656+6.3%Added
ProShare Advisors LLC11,122$682.6K0.00%−2,022−15.4%Reduced
Schroder Investment Management Group11,337$695.9K0.00%+570+5.3%Added
Gotham Asset Management, LLC11,402$699.7K0.00%+4,081+55.7%Added
Trexquant Investment LP11,781$723.0K0.01%−97,717−89.2%Reduced
Robeco Institutional Asset Management B.V.11,870$728.5K0.00%+11,870New
Zurcher Kantonalbank (Zurich Cantonalbank)12,352$758.0K0.00%00.0%Unchanged
KLP Kapitalforvaltning AS13,300$816.2K0.00%00.0%Unchanged
State of Wyoming13,365$820.2K0.09%+4,093+44.1%Added
Oregon Public Employees Retirement Fund13,400$822.4K0.01%+200+1.5%Added
Kornitzer Capital Management Inc13,505$828.8K0.02%00.0%Unchanged
Ensign Peak Advisors, Inc13,963$856.9K0.00%−6,800−32.8%Reduced
Gibbs Wealth Management14,624$897.5K0.20%−2,352−13.9%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys15,134$928.8K0.00%+323+2.2%Added
Legato Capital Management LLC15,725$965.0K0.11%+8,675+123.0%Added
Boston Partners16,213$995.0K0.00%−913−5.3%Reduced
Teachers Retirement System of the State of Kentucky16,271$998.0K0.01%−1,877−10.3%Reduced
Police & Firemen's Retirement System of New Jersey16,325$1.00M0.01%+2,894+21.5%Added
Landscape Capital Management, L.L.C.16,377$1.01M0.06%+5,312+48.0%Added
State Board of Administration of Florida Retirement System16,883$1.04M0.00%00.0%Unchanged
Amalgamated Bank16,918$1.04M0.01%+400+2.4%Added
Jump Financial, LLC17,700$1.09M0.01%−21,520−54.9%Reduced
Handelsbanken Fonder AB18,000$1.10M0.00%00.0%Unchanged
Williamson Legacy Group, LLC18,197$1.12M0.86%+18,197New
Arizona State Retirement System18,223$1.12M0.01%−255−1.4%Reduced
Two Sigma Investments, LP18,265$1.12M0.00%−6,524−26.3%Reduced
Yousif Capital Management, LLC18,318$1.12M0.01%−3,207−14.9%Reduced
Winton Group Ltd18,520$1.14M0.04%−6,950−27.3%Reduced
STRS Ohio19,000$1.17M0.00%−1,400−6.9%Reduced
SG Americas Securities, LLC19,371$1.19M0.00%+16,178+506.7%Added
Gsa Capital Partners LLP20,176$1.24M0.10%+13,014+181.7%Added
BNP Paribas Arbitrage, SA20,589$1.26M0.00%−121,970−85.6%Reduced
Graham Capital Management, L.P.21,699$1.33M0.05%−9,740−31.0%Reduced
Federation des caisses Desjardins du Quebec21,827$1.34M0.01%+2,889+15.3%Added
Summit Global Investments21,895$1.34M0.08%+16,102+278.0%Added
HSBC Holdings PLC22,864$1.39M0.00%−24,019−51.2%Reduced
Walleye Capital LLC23,491$1.44M0.01%−58,802−71.5%Reduced
Toroso Investments, LLC23,769$1.46M0.01%+10,903+84.7%Added
Mirae Asset Global Investments Co., Ltd.24,894$1.53M0.00%+24,894New
Calamos Advisors LLC25,007$1.53M0.01%+25,007New
Stifel Financial Corp25,225$1.55M0.00%+3,181+14.4%Added
Jackson Square Capital, LLC25,486$1.56M0.34%00.0%Unchanged
Universal- Beteiligungs- und Servicegesellschaft mbH26,015$1.60M0.00%+15,753+153.5%Added
Brevan Howard Capital Management LP26,255$1.61M0.02%−35,342−57.4%Reduced
Aquatic Capital Management LLC26,909$1.65M0.03%+26,909New
Janus Henderson Group PLC27,234$1.67M0.00%+2,103+8.4%Added
Louisiana State Employees Retirement System27,300$1.68M0.03%+300+1.1%Added
Axecap Investments, LLC27,811$1.71M1.05%+27,811New
Illinois Municipal Retirement Fund28,434$1.74M0.02%−2,267−7.4%Reduced
Harbor Capital Advisors, Inc.28,534$1.75M0.14%+9,878+52.9%Added
Manufacturers Life Insurance Company, The29,839$1.83M0.00%−1,010−3.3%Reduced