32 institutions reported holding $10,595 of CAMBIUM NETWORKS CORP (CMBM) in SEC 13F filings for 2026-03-31. Largest institutional holders: SIMPLEX TRADING, LLC ($6,570), THOMPSON DAVIS & CO., INC. ($2,025), Cygnus Capital Advisors, LLC ($2,000), RENAISSANCE TECHNOLOGIES LLC ($0), CITADEL ADVISORS LLC ($0). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | $6,570 | 43,800 | Added |
| 2 | THOMPSON DAVIS & CO., INC. | $2,025 | 13,500 | Trimmed |
| 3 | Cygnus Capital Advisors, LLC | $2,000 | 15,771 | New |
| 4 | RENAISSANCE TECHNOLOGIES LLC | $0 | 0 | Exited |
| 5 | CITADEL ADVISORS LLC | $0 | 0 | Exited |
| 6 | JANE STREET GROUP, LLC | $0 | 0 | Exited |
| 7 | XTX Topco Ltd | $0 | 0 | Exited |
| 8 | JPMORGAN CHASE & CO | $0 | 0 | Exited |
| 9 | Scientech Research LLC | $0 | 0 | Exited |
| 10 | GROUP ONE TRADING LLC | $0 | 0 | Exited |
| 11 | CITIGROUP INC | $0 | 0 | Exited |
| 12 | Focus Partners Advisor Solutions, LLC | $0 | 0 | Exited |
| 13 | SBI Securities Co., Ltd. | $0 | 0 | Exited |
| 14 | GSA CAPITAL PARTNERS LLP | $0 | 0 | Exited |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | $0 | 0 | Exited |
| 16 | TWO SIGMA INVESTMENTS, LP | $0 | 0 | Exited |
| 17 | BlackRock, Inc. | $0 | 0 | Exited |
| 18 | Friday Financial | $0 | 0 | Exited |
| 19 | NORTHERN TRUST CORP | $0 | 0 | Exited |
| 20 | DEUTSCHE BANK AG\ | $0 | 0 | Exited |
| 21 | Virtu Financial LLC | $0 | 0 | Exited |
| 22 | STATE STREET CORP | $0 | 0 | Exited |
| 23 | ACADIAN ASSET MANAGEMENT LLC | $0 | 26 | Hold |
| 24 | HUNTINGTON NATIONAL BANK | $0 | 1 | Hold |
| 25 | BANK OF AMERICA CORP /DE/ | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31