Skip to main content

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
BlackRock, Inc.11,718,253$719.1M0.01%+253,648+2.2%Added
Vanguard Group Inc8,489,078$521.0M0.01%−126,306−1.5%Reduced
State Street Corp2,339,943$143.6M0.00%+6,609+0.3%Added
Millennium Management LLC1,964,918$120.6M0.09%−282,204−12.6%Reduced
Congress Asset Management Co1,463,202$89.8M0.60%+45,258+3.2%Added
Alliancebernstein L.P.1,409,729$86.5M0.03%+61,247+4.5%Added
Geode Capital Management, LLC1,371,103$84.2M0.01%+15,978+1.2%Added
Arrowstreet Capital, Limited Partnership1,274,426$78.2M0.05%+868,987+214.3%Added
Price T Rowe Associates Inc1,233,226$75.7M0.01%+1,182,878+2,349.4%Added
Dimensional Fund Advisors LP945,865$58.0M0.01%−142,547−13.1%Reduced
Gilder Gagnon Howe & Co LLC902,621$55.4M0.56%−11,077−1.2%Reduced
Lord, Abbett & Co. LLC896,256$55.0M0.16%+83,094+10.2%Added
Acadian Asset Management LLC839,114$51.5M0.09%+622,405+287.2%Added
UBS Group AG807,820$49.6M0.01%−29,461−3.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.747,139$45.9M0.07%+5,111+0.7%Added
Artisan Partners Limited Partnership710,197$43.6M0.06%−494,486−41.0%Reduced
Westfield Capital Management Co LP684,096$42.0M0.18%+392,947+135.0%Added
Charles Schwab Investment Management Inc677,816$41.6M0.01%+10,829+1.6%Added
Paradigm Capital Management Inc672,400$41.3M1.79%−291,800−30.3%Reduced
Wellington Management Group LLP659,463$40.5M0.01%+139,672+26.9%Added
Loomis Sayles & Co L P617,013$37.9M0.05%+209,379+51.4%Added
Northern Trust Corp612,852$37.6M0.00%+2,514+0.4%Added
Morgan Stanley561,882$34.5M0.00%−285,734−33.7%Reduced
Balyasny Asset Management LLC555,284$34.1M0.07%+97,691+21.3%Added
Harvey Partners, LLC533,500$32.7M2.98%+9,323+1.8%Added
Invesco Ltd.482,033$29.6M0.00%+257,771+114.9%Added
Jacobs Levy Equity Management, Inc480,306$29.5M0.12%−5,100−1.1%Reduced
Bank of New York Mellon Corp477,138$29.3M0.01%−5,091−1.1%Reduced
Hood River Capital Management LLC454,419$27.9M0.33%+224,587+97.7%Added
Divisadero Street Capital Management, LP453,873$27.9M1.30%+400,851+756.0%Added
Rockefeller Capital Management L.P.422,724$25.9M0.05%−22,534−5.1%Reduced
Nuveen, LLC396,455$24.3M0.01%+4,891+1.2%Added
Bank of America Corp331,857$20.4M0.00%+6,186+1.9%Added
Tudor Investment Corp Et Al290,189$17.8M0.12%+80,029+38.1%Added
Principal Financial Group Inc287,317$17.6M0.01%+1,025+0.4%Added
Goldman Sachs Group Inc268,955$16.5M0.00%−115,480−30.0%Reduced
Connor, Clark & Lunn Investment Management Ltd.267,821$16.4M0.05%−61,165−18.6%Reduced
Renaissance Technologies LLC260,818$16.0M0.02%+23,200+9.8%Added
Assenagon Asset Management S.A.259,336$15.9M0.02%−688,402−72.6%Reduced
Penn Capital Management Co Inc252,181$15.5M1.19%−63,666−20.2%Reduced
Divisar Capital Management LLC244,088$15.0M4.08%−107,357−30.5%Reduced
Qube Research & Technologies Ltd241,563$14.8M0.02%+184,907+326.4%Added
G2 Investment Partners Management LLC240,000$14.7M3.03%−66,622−21.7%Reduced
Russell Investments Group, Ltd.236,365$14.5M0.02%+118,987+101.4%Added
Public Sector Pension Investment Board231,786$14.2M0.05%+35,082+17.8%Added
Prudential Financial Inc229,373$14.1M0.02%+48,680+26.9%Added
Neuberger Berman Group LLC222,191$13.6M0.01%+12,746+6.1%Added
Deutsche Bank AG220,516$13.5M0.00%−43,780−16.6%Reduced
New York State Common Retirement Fund216,878$13.3M0.02%−58,500−21.2%Reduced
Advisor Group Holdings, Inc.203,601$12.5M0.02%+201,423+9,248.1%Added
SEI Investments Co173,358$10.6M0.01%+42,541+32.5%Added
Legal & General Group Plc171,300$10.5M0.00%−4,994−2.8%Reduced
Rhumbline Advisers168,789$10.4M0.01%+1,037+0.6%Added
UBS Asset Management Americas Inc162,157$9.95M0.00%−103,106−38.9%Reduced
Penserra Capital Management LLC160,066$9.82M0.12%−95,619−37.4%Reduced
Engineers Gate Manager LP154,790$9.50M0.11%+12,836+9.0%Added
Jane Street Group, LLC145,523$8.93M0.01%+89,484+159.7%Added
HighTower Advisors, LLC145,207$8.91M0.01%−799−0.5%Reduced
Cubist Systematic Strategies, LLC145,007$8.90M0.13%−145,019−50.0%Reduced
Algert Global LLC143,676$8.82M0.15%+87,756+156.9%Added
Panagora Asset Management Inc119,681$7.34M0.03%+50.0%Added
Swiss National Bank119,300$7.32M0.00%−1,600−1.3%Reduced
JPMorgan Chase & Co116,295$7.14M0.00%−80,989−41.1%Reduced
Ameriprise Financial Inc115,974$7.12M0.00%−1,532−1.3%Reduced
Federated Hermes, Inc.115,536$7.09M0.01%+115,536New
North Star Asset Management Inc96,001$5.89M0.24%−525−0.5%Reduced
EAM Investors, LLC95,612$5.77M0.66%+9,767+11.4%Added
Envestnet Asset Management Inc90,244$5.54M0.00%−9,984−10.0%Reduced
Atika Capital Management LLC89,500$5.49M0.47%+89,500New
Barclays PLC89,267$5.48M0.00%−301,199−77.1%Reduced
Canada Pension Plan Investment Board86,377$5.30M0.00%−64,723−42.8%Reduced
Danske Bank A/S83,735$5.14M0.01%−72,710−46.5%Reduced
Lisanti Capital Growth, LLC81,321$4.99M1.22%+44,081+118.4%Added
Marathon Capital Management80,200$4.92M1.13%−16,435−17.0%Reduced
State of Wisconsin Investment Board74,105$4.55M0.01%+98+0.1%Added
Schonfeld Strategic Advisors LLC71,676$4.40M0.03%+33,835+89.4%Added
FMR LLC70,737$4.34M0.00%+27,487+63.6%Added
Hillsdale Investment Management Inc.69,360$4.26M0.13%+69,200+43,250.0%Added
Dark Forest Capital Management LP68,899$4.23M0.16%+56+0.1%Added
Boothbay Fund Management, LLC66,470$4.08M0.11%−2,195−3.2%Reduced
Citadel Advisors LLC65,705$4.03M0.00%−210,003−76.2%Reduced
Man Group plc62,964$3.86M0.01%+62,964New
New York State Teachers Retirement System61,500$3.77M0.01%00.0%Unchanged
Great West Life Assurance Co61,145$3.75M0.01%00.0%Unchanged
Allianz Asset Management GmbH59,936$3.68M0.00%+8,966+17.6%Added
Connors Investor Services Inc59,464$3.65M0.31%−28,498−32.4%Reduced
California State Teachers Retirement System57,560$3.53M0.00%+2,831+5.2%Added
Comerica Bank56,041$3.44M0.01%+19,225+52.2%Added
AQR Capital Management LLC49,608$3.04M0.00%+6,024+13.8%Added
Inspire Advisors, LLC46,339$2.84M0.27%+46,339New
Thompson Investment Management, Inc.44,840$2.75M0.37%−25,000−35.8%Reduced
Intech Investment Management LLC44,009$2.70M0.02%+11,086+33.7%Added
American Century Companies Inc43,997$2.70M0.00%−104,530−70.4%Reduced
Thrivent Financial for Lutherans43,891$2.69M0.01%+1,471+3.5%Added
Citigroup Inc43,143$2.65M0.00%−55,137−56.1%Reduced
D. E. Shaw & Co., Inc.42,610$2.61M0.00%−159,863−79.0%Reduced
Wells Fargo & Company41,824$2.57M0.00%+5,984+16.7%Added
Mackenzie Financial Corp39,973$2.45M0.00%+11,712+41.4%Added
Creative Planning38,977$2.39M0.00%+10,513+36.9%Added
Jackson Creek Investment Advisors LLC38,559$2.37M0.68%−140.0%Reduced