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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, Q1 2025

Institutional positions in Calix, Inc as of Mar 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
260
+9 vs. Q4 2024
Shares held
56.5M
+59.6K (+0.1%) vs. Q4 2024
Total value
$2.00B
+$34.2M (+1.7%) vs. Q4 2024
New holders
37
94 more added
Sold out
28
95 more reduced

2 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 260 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 heldQ1 2025: $2.00B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Calix, Inc; share changes are against Q4 2024.

Institutions holding CALX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
LPL Financial LLC10,219$362.2K0.00%+2,091+25.7%Added
HSBC Holdings PLC10,460$365.9K0.00%−9,740−48.2%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)11,001$389.9K0.00%−23−0.2%Reduced
Verition Fund Management LLC11,658$413.2K0.00%+5,164+79.5%Added
KLP Kapitalforvaltning AS12,200$432.4K0.00%00.0%Unchanged
Police & Firemen's Retirement System of New Jersey12,683$449.5K0.00%00.0%Unchanged
Bank of Montreal13,153$466.1K0.00%+2,096+19.0%Added
CIBC World Markets Corp13,202$467.9K0.00%+13,202New
Oregon Public Employees Retirement Fund13,500$478.4K0.01%−400−2.9%Reduced
Harbor Capital Advisors, Inc.13,721$486.0K0.02%−580−4.1%Reduced
Holocene Advisors, LP13,871$491.6K0.00%−16,225−53.9%Reduced
ProShare Advisors LLC14,001$496.2K0.00%−3,920−21.9%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys14,124$500.6K0.00%+1,524+12.1%Added
Gibbs Wealth Management14,982$531.0K0.13%+3,315+28.4%Added
Kornitzer Capital Management Inc15,705$556.6K0.01%−358,021−95.8%Reduced
Franklin Resources Inc15,990$566.7K0.00%+210+1.3%Added
State Board of Administration of Florida Retirement System16,883$598.3K0.00%−25,727−60.4%Reduced
Amalgamated Bank16,894$599.0K0.01%−372−2.2%Reduced
Arizona State Retirement System17,120$606.7K0.00%−67−0.4%Reduced
Maryland State Retirement & Pension System17,216$610.1K0.01%−2,560−12.9%Reduced
EntryPoint Capital, LLC17,446$618.3K0.28%−5,018−22.3%Reduced
Two Sigma Investments, LP18,089$641.1K0.00%−11,905−39.7%Reduced
Occudo Quantitative Strategies LP18,481$647.6K0.09%+1,996+12.1%Added
Creative Planning18,641$660.6K0.00%+7,464+66.8%Added
Voloridge Investment Management, LLC19,027$674.3K0.00%−199,115−91.3%Reduced
Dark Forest Capital Management LP19,059$675.5K0.03%+9,869+107.4%Added
Handelsbanken Fonder AB19,300$684.0K0.00%00.0%Unchanged
Teachers Retirement System of the State of Kentucky19,526$692.0K0.01%00.0%Unchanged
Comerica Bank19,947$706.9K0.00%−498−2.4%Reduced
Ensign Peak Advisors, Inc20,763$735.8K0.00%00.0%Unchanged
Stifel Financial Corp21,091$747.5K0.00%+1,579+8.1%Added
Morling Financial Advisors, LLC21,160$749.9K0.26%+21,160New
Victory Capital Management Inc21,789$772.2K0.00%−1,535−6.6%Reduced
Yousif Capital Management, LLC21,820$773.3K0.01%−511−2.3%Reduced
Cubist Systematic Strategies, LLC22,908$811.9K0.01%+22,908New
STRS Ohio24,000$850.6K0.00%−1,700−6.6%Reduced
Virginia Retirement Systems Et Al24,783$878.3K0.01%+24,783New
Janus Henderson Group PLC25,131$881.0K0.00%00.0%Unchanged
PAX Financial Group, LLC25,822$915.1K0.16%+25,822New
Teacher Retirement System of Texas26,004$921.6K0.00%+26,004New
State of Tennessee, Treasury Department26,145$926.6K0.00%00.0%Unchanged
Louisiana State Employees Retirement System27,800$985.2K0.02%−700−2.5%Reduced
Royal Bank of Canada28,022$993.0K0.00%+2,773+11.0%Added
CWM Advisors, LLC28,224$1.00M0.12%+16,611+143.0%Added
SG Americas Securities, LLC29,128$1.03M0.00%+17,907+159.6%Added
FMR LLC29,124$1.03M0.00%+26,922+1,222.6%Added
Jackson Square Capital, LLC29,500$1.05M0.34%−1,000−3.3%Reduced
Mackenzie Financial Corp29,997$1.06M0.00%+6,287+26.5%Added
XTX Topco Ltd30,077$1.07M0.05%+30,077New
Schonfeld Strategic Advisors LLC31,047$1.10M0.01%+7,987+34.6%Added
Corebridge Financial, Inc.31,052$1.10M0.01%−608−1.9%Reduced
Federation des caisses Desjardins du Quebec32,032$1.14M0.01%+3,770+13.3%Added
State of Alaska, Department of Revenue32,703$1.16M0.01%−840−2.5%Reduced
Intech Investment Management LLC32,923$1.17M0.01%+6,962+26.8%Added
Manufacturers Life Insurance Company, The32,930$1.17M0.00%+1,218+3.8%Added
Wells Fargo & Company33,123$1.17M0.00%+522+1.6%Added
Illinois Municipal Retirement Fund33,759$1.20M0.02%+5,045+17.6%Added
Pathstone Holdings, LLC34,522$1.22M0.01%+2,813+8.9%Added
MetLife Investment Management35,086$1.24M0.01%−546−1.5%Reduced
Winton Group Ltd35,363$1.25M0.08%−206−0.6%Reduced
PDT Partners, LLC37,535$1.33M0.09%−19,819−34.6%Reduced
Voya Investment Management LLC38,278$1.36M0.00%+7,328+23.7%Added
1492 Capital Management LLC38,312$1.36M0.73%+10.0%Added
Squarepoint Ops LLC38,419$1.36M0.00%−108,033−73.8%Reduced
Susquehanna Fundamental Investments, LLC42,109$1.49M0.03%+15,621+59.0%Added
Thrivent Financial for Lutherans43,352$1.54M0.00%−2,268−5.0%Reduced
AQR Capital Management LLC44,874$1.54M0.00%+33,769+304.1%Added
Danske Bank A/S43,525$1.54M0.00%+43,325+21,662.5%Added
D. E. Shaw & Co., Inc.44,356$1.57M0.00%−65,875−59.8%Reduced
Qube Research & Technologies Ltd46,139$1.64M0.00%+6,743+17.1%Added
Price T Rowe Associates Inc46,944$1.66M0.00%+3,755+8.7%Added
Prudential Financial Inc58,044$1.70M0.00%−2,090−3.5%Reduced
BNP Paribas Arbitrage, SA50,452$1.79M0.00%−552−1.1%Reduced
Divisadero Street Capital Management, LP53,022$1.88M0.22%−101,720−65.7%Reduced
Canada Pension Plan Investment Board53,500$1.90M0.00%+53,500New
California State Teachers Retirement System54,175$1.92M0.00%−1,232−2.2%Reduced
Edgestream Partners, L.P.55,040$1.95M0.07%−10,905−16.5%Reduced
Nebula Research & Development LLC57,746$2.05M0.19%+24,495+73.7%Added
Boothbay Fund Management, LLC59,996$2.13M0.08%+18,789+45.6%Added
New York State Teachers Retirement System61,400$2.18M0.01%00.0%Unchanged
Great West Life Assurance Co61,410$2.18M0.00%−7,457−10.8%Reduced
Jefferies Financial Group Inc.64,800$2.30M0.04%−2,600−3.9%Reduced
Formula Growth Ltd70,000$2.48M1.01%−85,000−54.8%Reduced
Citadel Advisors LLC73,297$2.60M0.00%+7,786+11.9%Added
Susquehanna International Group, LLP73,753$2.61M0.00%+40,148+119.5%Added
Inspire Advisors, LLC74,985$2.66M0.31%+74,985New
New Age Alpha Advisors, LLC76,838$2.72M0.12%−8,664−10.1%Reduced
SEI Investments Co77,296$2.74M0.00%+16,109+26.3%Added
Marshall Wace, LLP80,635$2.86M0.00%+22,685+39.1%Added
TownSquare Capital, LLC89,219$3.16M0.03%+12,976+17.0%Added
Thompson Investment Management, Inc.90,240$3.20M0.48%−700−0.8%Reduced
North Star Asset Management Inc95,347$3.38M0.15%+2,957+3.2%Added
Connors Investor Services Inc102,532$3.63M0.36%−637−0.6%Reduced
State of Wisconsin Investment Board103,908$3.68M0.01%−9,966−8.8%Reduced
Renaissance Technologies LLC105,318$3.73M0.01%−55,101−34.3%Reduced
Russell Investments Group, Ltd.107,313$3.80M0.01%+35,976+50.4%Added
Marathon Capital Management114,390$4.05M1.08%−745−0.6%Reduced
Swiss National Bank115,700$4.10M0.00%−800−0.7%Reduced
HighTower Advisors, LLC119,253$4.23M0.01%+1,008+0.9%Added
Panagora Asset Management Inc119,759$4.24M0.02%−51,928−30.2%Reduced