Institutional Ownership
Calix Inc
CUSIP 13100M509COMCALXQ1 2026
13D / 13G Filings
31
Schedule 13D/13G on record
Beneficial Filers
11
Distinct reporting persons
Largest Stake
16.4%
Max % of class reported
Institutional Holders
299
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
31 filings · latest Jul 29, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Jul 29, 2025 | The Vanguard Group | 13G/A | 13.3% | 8.62M | SEC |
| 2 | Jul 18, 2025 | Blackrock, Inc. | 13G/A | 14.9% | 9.67M | SEC |
| 3 | Feb 5, 2025 | Alliancebernstein L.P. | 13G/A | 3.4% | 2.24M | SEC |
| 4 | Nov 12, 2024 | Vanguard Group Inc | 13G/A | 11.5% | 7.56M | SEC |
| 5 | Nov 8, 2024 | Blackrock, Inc. | 13G/A | 16.4% | 10.81M | SEC |
| 6 | Nov 4, 2024 | Vanguard Group Inc | 13G/A | 11.5% | 7.56M | SEC |
| 7 | Oct 18, 2024 | Blackrock, Inc. | 13G/A | 16.4% | 10.81M | SEC |
| 8 | Mar 11, 2024 | Vanguard Group Inc | 13G/A | 10.1% | 6.61M | SEC |
| 9 | Feb 14, 2024 | Alliancebernstein L.P. | 13G | 8.0% | 5.30M | SEC |
| 10 | Feb 13, 2024 | Russo Carl | 13G/A | 11.0% | 7.27M | SEC |
21 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Calix Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 11.15M | $546.41M |
| 2 | Alliancebernstein L.P. | 3.25M | $172.08M |
| 3 | State Street Corp | 2.60M | $127.64M |
| 4 | Millennium Management LLC | 1.90M | $93.28M |
| 5 | Congress Asset Management Co | 1.64M | $80.55M |
| 6 | Westfield Capital Management Co LP | 1.55M | $75.74M |
| 7 | Geode Capital Management, LLC | 1.44M | $70.35M |
| 8 | Dimensional Fund Advisors LP | 1.22M | $59.70M |
| 9 | Loomis Sayles & Co L P | 840.2K | $41.16M |
| 10 | Gilder Gagnon Howe & Co LLC | 779.1K | $38.17M |