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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, Q2 2025

Institutional positions in Calix, Inc as of Jun 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
296
+37 vs. Q1 2025
Shares held
55.9M
−596.8K (−1.1%) vs. Q1 2025
Total value
$2.97B
+$972.0M (+48.5%) vs. Q1 2025
New holders
66
99 more added
Sold out
29
102 more reduced

1 institution that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 296 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 heldQ2 2025: $2.97B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Calix, Inc; share changes are against Q1 2025.

Institutions holding CALX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.11,464,605$609.8M0.01%+368,309+3.3%Added
Vanguard Group Inc8,615,384$458.3M0.01%+600,014+7.5%Added
State Street Corp2,333,334$124.1M0.00%−46,586−2.0%Reduced
Millennium Management LLC2,247,122$119.5M0.11%+482,105+27.3%Added
Congress Asset Management Co1,417,944$75.4M0.52%+39,447+2.9%Added
Geode Capital Management, LLC1,355,125$72.1M0.01%−22,182−1.6%Reduced
Alliancebernstein L.P.1,348,482$71.7M0.02%−1,160,741−46.3%Reduced
Artisan Partners Limited Partnership1,204,683$64.1M0.10%+152,469+14.5%Added
Dimensional Fund Advisors LP1,088,412$57.9M0.01%−637,110−36.9%Reduced
Paradigm Capital Management Inc964,200$51.3M2.50%−63,100−6.1%Reduced
Assenagon Asset Management S.A.947,738$50.4M0.08%+545,490+135.6%Added
Gilder Gagnon Howe & Co LLC913,698$48.6M0.52%+117,239+14.7%Added
Morgan Stanley847,616$45.1M0.00%−256,359−23.2%Reduced
UBS Group AG837,281$44.5M0.01%−13,804−1.6%Reduced
Lord, Abbett & Co. LLC813,162$43.3M0.14%+813,162New
Mirae Asset Global ETFs Holdings Ltd.742,028$39.5M0.08%−9,908−1.3%Reduced
Charles Schwab Investment Management Inc666,987$35.5M0.01%−12,380−1.8%Reduced
Northern Trust Corp610,338$32.5M0.00%−8,455−1.4%Reduced
Harvey Partners, LLC524,177$27.9M2.78%+3,177+0.6%Added
Wellington Management Group LLP519,791$27.6M0.01%+319,250+159.2%Added
Jacobs Levy Equity Management, Inc485,406$25.8M0.10%−67,196−12.2%Reduced
Bank of New York Mellon Corp482,229$25.6M0.00%−662,520−57.9%Reduced
Balyasny Asset Management LLC457,593$24.3M0.06%−108,464−19.2%Reduced
Rockefeller Capital Management L.P.445,258$23.7M0.05%−62,282−12.3%Reduced
Loomis Sayles & Co L P407,634$21.7M0.03%+407,634New
Arrowstreet Capital, Limited Partnership405,439$21.6M0.02%+152,232+60.1%Added
Nuveen, LLC391,564$20.8M0.01%−37,524−8.7%Reduced
Barclays PLC390,466$20.8M0.01%+63,204+19.3%Added
Goldman Sachs Group Inc384,435$20.4M0.00%+118,967+44.8%Added
Divisar Capital Management LLC351,445$18.7M4.32%−109,320−23.7%Reduced
Connor, Clark & Lunn Investment Management Ltd.328,986$17.5M0.06%+13,192+4.2%Added
Bank of America Corp325,671$17.3M0.00%+51,129+18.6%Added
Penn Capital Management Co Inc315,847$16.8M1.46%−22,464−6.6%Reduced
G2 Investment Partners Management LLC306,622$16.3M3.57%+52,628+20.7%Added
Westfield Capital Management Co LP291,149$15.5M0.06%+291,149New
Cubist Systematic Strategies, LLC290,026$15.4M0.17%+267,118+1,166.0%Added
Principal Financial Group Inc286,292$15.2M0.01%−8,247−2.8%Reduced
Citadel Advisors LLC275,708$14.7M0.01%+202,411+276.2%Added
New York State Common Retirement Fund275,378$14.6M0.02%−11,341−4.0%Reduced
UBS Asset Management Americas Inc265,263$14.1M0.00%+88,935+50.4%Added
Deutsche Bank AG264,296$14.1M0.01%−10,799−3.9%Reduced
Penserra Capital Management LLC255,685$13.6M0.19%+255,685New
Renaissance Technologies LLC237,618$12.6M0.02%+132,300+125.6%Added
Hood River Capital Management LLC229,832$12.2M0.17%+229,832New
Invesco Ltd.224,262$11.9M0.00%−13,266−5.6%Reduced
Acadian Asset Management LLC216,709$11.5M0.02%+33,082+18.0%Added
Tudor Investment Corp Et Al210,160$11.2M0.08%+45,459+27.6%Added
Neuberger Berman Group LLC209,445$11.1M0.01%−33,777−13.9%Reduced
Congress Wealth Management LLC207,000$11.0M0.11%−1,017−0.5%Reduced
D. E. Shaw & Co., Inc.202,473$10.8M0.01%+158,117+356.5%Added
JPMorgan Chase & Co197,284$10.5M0.00%−52,624−21.1%Reduced
Public Sector Pension Investment Board196,704$10.5M0.04%+9,515+5.1%Added
Prudential Financial Inc180,693$9.61M0.01%+122,649+211.3%Added
Legal & General Group Plc176,294$9.38M0.00%−2,302−1.3%Reduced
Rhumbline Advisers167,752$8.92M0.01%+535+0.3%Added
Point72 Asset Management, L.P.162,318$8.63M0.02%+154,277+1,918.6%Added
Danske Bank A/S156,445$8.32M0.02%+112,920+259.4%Added
Polar Asset Management Partners Inc.152,684$8.12M0.20%−262,268−63.2%Reduced
Canada Pension Plan Investment Board151,100$8.04M0.01%+97,600+182.4%Added
American Century Companies Inc148,527$7.90M0.00%+4,204+2.9%Added
HighTower Advisors, LLC146,006$7.77M0.01%+26,753+22.4%Added
BNP Paribas Arbitrage, SA142,559$7.58M0.01%+92,107+182.6%Added
Edgestream Partners, L.P.142,353$7.57M0.21%+87,313+158.6%Added
Engineers Gate Manager LP141,954$7.55M0.09%+4,659+3.4%Added
SEI Investments Co130,817$6.96M0.01%+53,521+69.2%Added
Swiss National Bank120,900$6.43M0.00%+5,200+4.5%Added
SG Capital Management LLC120,463$6.41M0.54%−221,277−64.8%Reduced
Panagora Asset Management Inc119,676$6.37M0.03%−83−0.1%Reduced
Ameriprise Financial Inc117,506$6.25M0.00%−11,526−8.9%Reduced
Russell Investments Group, Ltd.117,378$6.24M0.01%+10,065+9.4%Added
Trexquant Investment LP109,498$5.82M0.07%−19,634−15.2%Reduced
Envestnet Asset Management Inc100,228$5.33M0.00%−30,075−23.1%Reduced
Citigroup Inc98,280$5.23M0.00%−33,104−25.2%Reduced
Marathon Capital Management96,635$5.14M1.31%−17,755−15.5%Reduced
North Star Asset Management Inc96,526$5.13M0.22%+1,179+1.2%Added
Driehaus Capital Management LLC92,855$4.94M0.04%+92,855New
Connors Investor Services Inc87,962$4.68M0.41%−14,570−14.2%Reduced
EAM Investors, LLC85,845$4.57M0.69%+85,845New
Walleye Capital LLC82,293$4.38M0.04%+82,293New
DC Investments Management, LLC76,642$4.08M1.70%−152,730−66.6%Reduced
State of Wisconsin Investment Board74,007$3.94M0.01%−29,901−28.8%Reduced
Susquehanna International Group, LLP72,565$3.86M0.01%−1,188−1.6%Reduced
Thompson Investment Management, Inc.69,840$3.71M0.52%−20,400−22.6%Reduced
Dark Forest Capital Management LP68,843$3.66M0.15%+49,784+261.2%Added
Nebula Research & Development LLC68,827$3.66M0.31%+11,081+19.2%Added
Boothbay Fund Management, LLC68,665$3.65M0.11%+8,669+14.4%Added
Brevan Howard Capital Management LP61,597$3.28M0.04%+51,933+537.4%Added
New York State Teachers Retirement System61,500$3.27M0.01%+100+0.2%Added
Great West Life Assurance Co61,145$3.25M0.01%−265−0.4%Reduced
Qube Research & Technologies Ltd56,656$3.01M0.00%+10,517+22.8%Added
Jane Street Group, LLC56,039$2.98M0.00%+56,039New
Algert Global LLC55,920$2.97M0.06%+55,920New
California State Teachers Retirement System54,729$2.91M0.00%+554+1.0%Added
Divisadero Street Capital Management, LP53,022$2.82M0.19%00.0%Unchanged
Allianz Asset Management GmbH50,970$2.71M0.00%+50,970New
Price T Rowe Associates Inc50,348$2.68M0.00%+3,404+7.3%Added
HSBC Holdings PLC46,883$2.51M0.00%+36,423+348.2%Added
FMR LLC43,250$2.30M0.00%+14,126+48.5%Added
AQR Capital Management LLC43,584$2.28M0.00%−1,290−2.9%Reduced
Thrivent Financial for Lutherans42,420$2.26M0.00%−932−2.1%Reduced