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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $2.71M in total
- 1
- 13F holdersQ2 2026, −20 vs. previous quarter
- 287
- 13F valueReported value at the end of Q2 2026
- $2.27B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding CALX, Q2 2026
No superinvestor reported holding CALX at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Calix, Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 28, 2026 (view filing)4:13 PM ET | Jul 27 | 1 day | Russo CarlDirector, 10% Owner | SSale | −75.0K | $36.20 | −$2.71M | −4.6%1.57M after | 10b5-1 |
| Apr 28, 2026 (view filing) | Apr 27 | 1 day | Russo CarlDirector, 10% Owner | SSale | −25.0K | $43.26 | −$1.08M | −1.5%1.64M after | 2 lots10b5-1 |
| Feb 4, 2026 (view filing) | Feb 3 | 1 day | Russo CarlDirector, 10% Owner | SSale | −25.0K | $47.27 | −$1.18M | −1.5%1.67M after | 2 lots10b5-1 |
| Nov 12, 2025 (view filing) | Nov 10 | 2 days | Eleniak Shane Todd MarshallChief Product Officer | SSale | −24.0K | $64.14 | −$1.54M | −100.0%0 after | |
| Nov 12, 2025 (view filing) | Nov 6 | 6 daysLate | Sindelar CoryChief Financial Officer | SSale | −50.0K | $65.30 | −$3.27M | −39.5%76.6K after | |
| Nov 6, 2025 (view filing) | Nov 4 | 2 days | Eleniak Shane Todd MarshallChief Product Officer | SSale | −50.0K | $65.34 | −$3.27M | −100.0%0 after | |
| Nov 6, 2025 (view filing) | Nov 4 | 2 days | Russo CarlDirector, 10% Owner | SSale | −420.0K | $64.09 | −$26.9M | −19.9%1.69M after | 4 lots10b5-1 |
| Nov 3, 2025 (view filing) | Oct 30-Nov 3 | 4 days | Weening MichaelPresident & CEO | SSale | −274.0K | $65.92 | −$18.1M | −94.4%16.1K after | 3 lots10b5-1 |
| Nov 3, 2025 (view filing) | Oct 30-31 | 4 days | Sindelar CoryChief Financial Officer | SSale | −20.0K | $67.50 | −$1.35M | −20.7%76.6K after | 2 lots10b5-1 |
| Sep 11, 2025 (view filing) | Sep 10-11 | 1 day | Weening MichaelPresident & CEO | SSale | −176.0K | $62.15 | −$10.9M | −91.6%16.1K after | 3 lots10b5-1 |
Top 10 13F holders, Q2 2026
The largest institutional positions in Calix, Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 11,775,490 | $439.5M | 0.01% | +622,087+5.6% | Added |
| Vanguard Portfolio Management LLC | 5,588,048 | $208.5M | 0.01% | +54,294+1.0% | Added |
| Alliancebernstein L.P. | 3,248,412 | $159.1M | 0.06% | −2,716−0.1% | Reduced |
| State Street Corp | 2,915,560 | $108.8M | 0.00% | +313,227+12.0% | Added |
| Vanguard Capital Management LLC | 2,587,424 | $96.6M | 0.00% | −99,101−3.7% | Reduced |
| Geode Capital Management, LLC | 1,481,595 | $55.3M | 0.00% | +45,889+3.2% | Added |
| Westfield Capital Management Co LP | 1,324,534 | $49.4M | 0.16% | −221,567−14.3% | Reduced |
| Dimensional Fund Advisors LP | 1,309,436 | $48.9M | 0.01% | +90,941+7.5% | Added |
| Acadian Asset Management LLC | 1,241,622 | $46.3M | 0.05% | +441,292+55.1% | Added |
| Citadel Advisors LLC | 1,208,764 | $45.1M | 0.03% | +780,566+182.3% | Added |