CalixCALX
13F holders, Q4 2025 (December 31)332holders +18
47new positions
33sold out
8famous investors
$52.93avg. 13F price*
At the end of Q4 2025, 332 institutions reported holding Calix Inc. (CALX) in their 13F filings, up 18 from Q3 2025. 47 opened new positions and 33 sold out. The largest holders were BlackRock, Inc. ($606.7M), Vanguard Group Inc. ($439.4M) and State Street Corp. ($125.1M). 8 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio).
- Company
- Calix Inc.
- CUSIP
- 13100M509
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 47 | $149.6M |
| Exits | 33 | $87.0M |
All 13F filers, Q3 2025 → Q4 2025: 6,651,560 shares bought and 4,902,899 shares sold, net +1,748,661 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 332 holders
| BlackRock, Inc. | 0.01% | Reduce -2.2% | 11,462,941 | $606.7M |
| Vanguard Group Inc. | 0.01% | Reduce -2.2% | 8,302,450 | $439.4M |
| State Street Corp. | 0.00% | Add +1.0% | 2,362,965 | $125.1M |
| Alliancebernstein L.P. | 0.02% | Add +3.7% | 1,462,371 | $77.4M |
| Congress Asset Management Co. | 0.54% | Reduce -1.1% | 1,447,545 | $76.6M |
| Geode Capital Management, LLC | 0.00% | Add +5.4% | 1,445,338 | $76.5M |
| Millennium Management | 0.06% | Reduce -26.6% | 1,441,912 | $76.3M |
| Arrowstreet Capital, Limited Partnership | 0.04% | Add +0.2% | 1,277,505 | $67.6M |
| Westfield Capital Management Co. LP | 0.25% | Add +67.4% | 1,145,292 | $60.6M |
| Fuller & Thaler Asset Management, Inc. | 0.20% | New | 1,094,173 | $57.9M |
| Acadian Asset Management LLC | 0.09% | Add +22.8% | 1,030,115 | $54.5M |
| Lord, Abbett & Co. LLC | 0.17% | Add +10.2% | 987,431 | $52.3M |
| Dimensional Fund Advisors LP | 0.01% | Add +0.3% | 948,619 | $50.2M |
| Gilder Gagnon Howe & Co. LLC | 0.50% | Reduce -1.6% | 887,927 | $47.0M |
| Loomis Sayles & Co. L P | 0.05% | Add +28.0% | 789,892 | $41.8M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.06% | Add +2.5% | 765,415 | $40.5M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -44.2% | 688,186 | $36.4M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -0.7% | 673,045 | $35.6M |
| Paradigm Capital Management Inc. | 1.50% | No change | 672,400 | $35.6M |
| Wellington Management Group LLP | 0.01% | Reduce -3.0% | 639,729 | $33.9M |
| Morgan Stanley | 0.00% | Add +10.9% | 622,875 | $33.0M |
| Northern Trust Corp. | 0.00% | Reduce -2.8% | 595,626 | $31.5M |
| Artisan Partners Limited Partnership | 0.05% | Reduce -16.9% | 590,187 | $31.2M |
| Invesco Ltd. | 0.00% | Add +19.9% | 577,771 | $30.6M |
| Harvey Partners, LLC | 2.54% | Add +0.0% | 533,732 | $28.3M |
| Hood River Capital Management LLC | 0.30% | Add +15.2% | 523,261 | $27.7M |
| Qube Research & Technologies Ltd | 0.04% | Add +95.4% | 472,046 | $25.0M |
| Renaissance Technologies | 0.04% | Add +77.8% | 463,618 | $24.5M |
| Bank of America Corp. | 0.00% | Add +38.5% | 459,456 | $24.3M |
| Jacobs Levy Equity Management, Inc. | 0.09% | Reduce -11.4% | 425,598 | $22.5M |
| Bank of New York Mellon Corp | 0.00% | Reduce -14.9% | 405,881 | $21.5M |
| Nuveen, LLC | 0.01% | Add +1.8% | 403,391 | $21.4M |
| Goldman Sachs Group Inc. | 0.00% | Add +49.4% | 401,736 | $21.3M |
| Nomura Asset Management International Inc. | 0.03% | — | 387,821 | $20.5M |
| Alyeska Investment Group, L.P. | 0.06% | New | 375,132 | $19.9M |
| UBS Group AG | 0.00% | Reduce -55.5% | 359,100 | $19.0M |
| Principal Financial Group Inc. | 0.01% | Add +19.3% | 342,648 | $18.1M |
| Trexquant Investment LP | 0.15% | Add +2530.0% | 309,838 | $16.4M |
| Divisar Capital Management LLC | 4.46% | Add +22.9% | 299,963 | $15.9M |
| Federated Hermes, Inc. | 0.03% | Add +157.7% | 297,750 | $15.8M |
| G2 Investment Partners Management LLC | 3.29% | Add +8.8% | 261,000 | $13.8M |
| Russell Investments Group, Ltd. | 0.01% | Add +7.7% | 254,560 | $13.5M |
| Penn Capital Management Company, LLC | 1.07% | Add +0.4% | 253,087 | $13.4M |
| Neuberger Berman Group LLC | 0.01% | Add +14.0% | 253,237 | $13.4M |
| Oberweis Asset Management Inc./ | 0.47% | New | 244,600 | $12.9M |
| Rockefeller Capital Management L.P. | 0.02% | Reduce -43.7% | 238,035 | $12.6M |
| Deutsche Bank AG | 0.00% | Add +0.8% | 222,265 | $11.8M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | Reduce -19.0% | 216,950 | $11.5M |
| Sei Investments Co. | 0.01% | Add +24.9% | 216,536 | $11.5M |
| New York State Common Retirement Fund | 0.02% | Reduce -1.7% | 213,149 | $11.3M |
| Public Sector Pension Investment Board | 0.04% | Reduce -9.9% | 208,738 | $11.0M |
| ExodusPoint Capital Management, LP | 0.12% | New | 196,862 | $10.4M |
| Synergy Asset Management, LLC | 1.04% | New | 189,221 | $10.0M |
| Osaic Holdings, Inc. | 0.01% | Reduce -12.7% | 177,810 | $9.4M |
| Prudential Financial Inc. | 0.01% | Reduce -23.2% | 176,219 | $9.3M |
| Engineers Gate Manager LP | 0.11% | Add +10.1% | 170,439 | $9.0M |
| Voloridge Investment Management, LLC | 0.03% | Add +450.6% | 165,390 | $8.8M |
| Panagora Asset Management Inc. | 0.03% | Add +38.0% | 165,218 | $8.7M |
| Legal & General Group Plc | 0.00% | Reduce -3.8% | 164,715 | $8.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -2.1% | 158,726 | $8.4M |
| Defiance ETFs, LLC | 0.27% | — | 156,781 | $8.3M |
| Penserra Capital Management LLC | 0.10% | Reduce -2.0% | 156,781 | $8.3M |
| Rhumbline Advisers | 0.01% | Reduce -7.3% | 156,416 | $8.3M |
| Polar Asset Management Partners Inc. | 0.21% | New | 152,208 | $8.1M |
| HighTower Advisors, LLC | 0.01% | Reduce -0.3% | 144,836 | $7.7M |
| Squarepoint Ops LLC | 0.01% | New | 127,775 | $6.8M |
| Tudor Investment Corporation | 0.04% | Reduce -57.1% | 124,516 | $6.6M |
| FMR LLC | 0.00% | Add +74.7% | 123,540 | $6.5M |
| Jane Street Group, LLC | 0.01% | Reduce -15.5% | 122,909 | $6.5M |
| Swiss National Bank | 0.00% | Add +2.5% | 122,300 | $6.5M |
| Algert Global LLC | 0.10% | Reduce -17.9% | 117,936 | $6.2M |
| Allianz Asset Management GmbH | 0.01% | Add +92.5% | 115,409 | $6.1M |
| 4D Advisors, LLC | 3.34% | New | 115,000 | $6.1M |
| Man Group plc | 0.01% | Add +81.5% | 114,307 | $6.1M |
| Ameriprise Financial Inc. | 0.00% | Reduce -5.3% | 109,775 | $5.8M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.8% | 109,613 | $5.8M |
| Canada Pension Plan Investment Board | 0.00% | Add +17.5% | 101,477 | $5.4M |
| Intech Investment Management LLC | 0.05% | Add +129.7% | 101,074 | $5.3M |
| North Star Asset Management Inc. | 0.21% | Add +2.5% | 98,383 | $5.2M |
| Barclays PLC | 0.00% | Add +10.1% | 98,322 | $5.2M |
| Lisanti Capital Growth, LLC | 1.20% | Add +17.7% | 95,736 | $5.1M |
| First Trust Advisors LP | 0.00% | Add +1281.5% | 92,240 | $4.9M |
| Marathon Capital Management | 0.92% | Add +0.5% | 80,585 | $4.3M |
| Wells Fargo & Company | 0.00% | Add +71.9% | 71,905 | $3.8M |
| State of Wisconsin Investment Board | 0.01% | Reduce -3.1% | 71,777 | $3.8M |
| Hillsdale Investment Management Inc. | 0.10% | Reduce -0.6% | 68,950 | $3.6M |
| Bridgewater Associates | 0.01% | Add +82.6% | 65,536 | $3.5M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -28.4% | 64,622 | $3.4M |
| Bessemer Group Inc. | 0.01% | Add +17906.7% | 64,284 | $3.4M |
| Boothbay Fund Management, LLC | 0.09% | Reduce -3.7% | 63,981 | $3.4M |
| Amundi | 0.00% | Add +510.3% | 63,249 | $3.3M |
| New York State Teachers Retirement System | 0.01% | Reduce -0.2% | 61,400 | $3.3M |
| Y-Intercept (Hong Kong) Ltd | 0.07% | Add +1447.1% | 58,744 | $3.1M |
| Mackenzie Financial Corp. | 0.00% | Add +45.2% | 58,057 | $3.1M |
| Connors Investor Services Inc. | 0.26% | Reduce -2.5% | 57,984 | $3.1M |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 57,589 | $3.0M |
| Jump Financial, LLC | 0.04% | Add +218.6% | 56,400 | $3.0M |
| XTX Topco Ltd | 0.08% | New | 54,339 | $2.9M |
| Gsa Capital Partners LLP | 0.25% | Add +167.0% | 53,867 | $2.9M |
| Castleark Management LLC | 0.08% | New | 52,920 | $2.8M |
"% of holder's portfolio" is CALX's weight in each manager's 13F, not the share of Calix Inc. the manager owns.