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.
Holders of 5% or more of CALX
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Calix, Inc, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.90%9.67M shares | – | Jul 18, 20251 filing | Jul 18, 2025 | SEC |
| Vanguard Group Inc | 13G/A | 13.29%8.62M shares | – | Jul 29, 20251 filing | Jul 29, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Calix, Inc, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Jul 29, 202511:20 AM ET | Vanguard Group Inc | 13G/A | 13.29%8.62M shares | – | Jun 30, 2025 | SEC |
| Jul 18, 202512:47 PM ET | BlackRock, Inc. | 13G/A | 14.90%9.67M shares | – | Jun 30, 2025 | SEC |
| Feb 5, 20254:31 PM ET | Alliancebernstein L.P. | 13G/A | 3.40%2.24M shares | –Below 5% | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Calix, Inc shares.
No Form 144 notices for Calix, Inc are on file.