Who owns CALX
307 institutions reported holding CALX for 2026Q1, together 87% of the company, fewer than the 327 a quarter earlier.
307
Institutions reporting a position · as of 2026Q1 · down from 327 the quarter before
- Shares held by institutions
- 59.6M
Shares held by institutions · 87% of the company · long US equity positions only, as reported on Form 13F
- Reported value
- $2.93B
Reported value · at 2026-03-31 prices, not today's
- Top 5 holders
- 40%
Top 5 holders · of the whole company, between five filers
Details›
- Reporting quarter2026-03-31
- 2026Q1
- Quarters on record
- 52
- New positions
- 37
- Positions exited
- 63
- Added to
- 119
- Reduced
- 95
- Top 10 holdersof the company
- 50%
| Quarter | Filers | Shares | Reported value |
|---|---|---|---|
| 2026Q1 | 307 | 59.6M | $2.93B |
| 2025Q4 | 327 | 58.8M | $3.11B |
| 2025Q3 | 307 | 56.5M | $3.47B |
| 2025Q2 | 293 | 55.8M | $2.97B |
| 2025Q1 | 256 | 56.5M | $2.00B |
| 2024Q4 | 253 | 57.3M | $2.00B |
| 2024Q3 | 241 | 57.1M | $2.21B |
| 2024Q2 | 252 | 57.6M | $2.04B |
| 2024Q1 | 258 | 57.4M | $1.91B |
| 2023Q4 | 259 | 56.7M | $2.48B |
| 2023Q3 | 272 | 54.5M | $2.50B |
| 2023Q2 | 264 | 54.4M | $2.71B |
| 2023Q1 | 268 | 54.1M | $2.90B |
| 2022Q4 | 270 | 54.0M | $3.70B |
| 2022Q3 | 229 | 54.1M | $3.31B |
| 2022Q2 | 201 | 53.1M | $1.82B |
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Inc. | 11.2M | 16% | $546M |
| VANGUARD GROUP INC | 8.7M | 13% | $428M |
| ALLIANCEBERNSTEIN L.P. | 3.3M | 4.7% | $172M |
| STATE STREET CORP | 2.6M | 3.8% | $128M |
| MILLENNIUM MANAGEMENT LLC | 1.9M | 2.8% | $93M |
| CONGRESS ASSET MANAGEMENT CO | 1.6M | 2.4% | $81M |
| WESTFIELD CAPITAL MANAGEMENT CO LP | 1.5M | 2.3% | $76M |
| GEODE CAPITAL MANAGEMENT LLC | 1.4M | 2.1% | $70M |
| DIMENSIONAL FUND ADVISORS LP | 1.2M | 1.8% | $60M |
| LOOMIS SAYLES & CO L P | 0.8M | 1.2% | $41M |
SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.
reading the register…
Software - Infrastructure
Ranks #56 of 78 by Smart Score