Calix, Inc. (CALX)
NYSE: CALX · Communications Services, NEC · San Jose, CA · filing with the SEC since 2007
Grade6.9
◀ Past 8.0● Present 7.2▶ Future 6.0
Who owns Calix, Inc.
As filed with the SECHolders of 5% or more
3
Blackrock, Inc. holds 16.2% of Common Stock, as its SCHEDULE 13G/A filed Jul 30, 2026 says.
Directors and officers
12
report now, of 26 people on the record since 2010. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 3 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Jul 30, 2026 · Common Stock · 14.9% in Jul 18, 2025
Vanguard Portfolio Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
AllianceBernstein L.P.
SCHEDULE 13G · filed May 18, 2026 · Common Stock · 3.4% in Feb 5, 2025
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 13.3% in Jul 29, 2025
What CALX reports owning in othersstakes of 5% or more, and other ties
7 subsidiaries in 6 countries, from the list filed with the 10-K filed Feb 20, 2026.
Insider tradesForm 4
8sales
0purchases
7sales on a scheduled plan
2people selling
$8.8Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 9, 2025 to Nov 9, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 9, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window2 of 26 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Russo Carl | Chairman | 7 | $7.3M | 7 | 0 | $0 |
| Eleniak Shane Todd Marshall | Chief Product Officer | 1 | $1.5M | 0 | 0 | $0 |